704374e512
add zig fmt support for this syntax closes #1152
1979 lines
46 KiB
Zig
1979 lines
46 KiB
Zig
test "zig fmt: linksection" {
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try testCanonical(
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\\export var aoeu: u64 linksection(".text.derp") = 1234;
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\\export nakedcc fn _start() linksection(".text.boot") noreturn {}
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\\
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);
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}
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test "zig fmt: shebang line" {
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try testCanonical(
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\\#!/usr/bin/env zig
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\\pub fn main() void {}
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\\
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);
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}
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test "zig fmt: correctly move doc comments on struct fields" {
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try testTransform(
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\\pub const section_64 = extern struct {
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\\ sectname: [16]u8, /// name of this section
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\\ segname: [16]u8, /// segment this section goes in
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\\};
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,
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\\pub const section_64 = extern struct {
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\\ /// name of this section
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\\ sectname: [16]u8,
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\\ /// segment this section goes in
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\\ segname: [16]u8,
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\\};
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\\
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);
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}
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test "zig fmt: preserve space between async fn definitions" {
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try testCanonical(
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\\async fn a() void {}
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\\
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\\async fn b() void {}
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\\
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);
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}
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test "zig fmt: comment to disable/enable zig fmt first" {
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try testCanonical(
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\\// Test trailing comma syntax
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\\// zig fmt: off
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\\
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\\const struct_trailing_comma = struct { x: i32, y: i32, };
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);
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}
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test "zig fmt: comment to disable/enable zig fmt" {
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try testTransform(
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\\const a = b;
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\\// zig fmt: off
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\\const c = d;
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\\// zig fmt: on
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\\const e = f;
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,
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\\const a = b;
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\\// zig fmt: off
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\\const c = d;
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\\// zig fmt: on
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\\const e = f;
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\\
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);
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}
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test "zig fmt: pointer of unknown length" {
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try testCanonical(
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\\fn foo(ptr: [*]u8) void {}
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\\
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);
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}
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test "zig fmt: spaces around slice operator" {
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try testCanonical(
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\\var a = b[c..d];
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\\var a = b[c + 1 .. d];
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\\var a = b[c + 1 ..];
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\\var a = b[c .. d + 1];
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\\var a = b[c.a..d.e];
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\\
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);
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}
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test "zig fmt: async call in if condition" {
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try testCanonical(
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\\comptime {
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\\ if (async<a> b()) {
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\\ a();
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\\ }
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\\}
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\\
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);
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}
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test "zig fmt: 2nd arg multiline string" {
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try testCanonical(
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\\comptime {
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\\ cases.addAsm("hello world linux x86_64",
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\\ \\.text
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\\ , "Hello, world!\n");
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\\}
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\\
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);
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}
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test "zig fmt: if condition wraps" {
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try testTransform(
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\\comptime {
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\\ if (cond and
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\\ cond) {
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\\ return x;
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\\ }
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\\ while (cond and
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\\ cond) {
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\\ return x;
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\\ }
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\\ if (a == b and
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\\ c) {
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\\ a = b;
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\\ }
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\\ while (a == b and
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\\ c) {
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\\ a = b;
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\\ }
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\\ if ((cond and
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\\ cond)) {
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\\ return x;
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\\ }
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\\ while ((cond and
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\\ cond)) {
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\\ return x;
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\\ }
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\\ var a = if (a) |*f| x: {
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\\ break :x &a.b;
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\\ } else |err| err;
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\\}
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,
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\\comptime {
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\\ if (cond and
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\\ cond)
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\\ {
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\\ return x;
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\\ }
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\\ while (cond and
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\\ cond)
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\\ {
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\\ return x;
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\\ }
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\\ if (a == b and
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\\ c)
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\\ {
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\\ a = b;
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\\ }
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\\ while (a == b and
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\\ c)
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\\ {
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\\ a = b;
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\\ }
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\\ if ((cond and
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\\ cond))
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\\ {
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\\ return x;
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\\ }
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\\ while ((cond and
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\\ cond))
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\\ {
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\\ return x;
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\\ }
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\\ var a = if (a) |*f| x: {
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\\ break :x &a.b;
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\\ } else |err| err;
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\\}
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\\
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);
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}
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test "zig fmt: if condition has line break but must not wrap" {
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try testCanonical(
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\\comptime {
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\\ if (self.user_input_options.put(name, UserInputOption{
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\\ .name = name,
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\\ .used = false,
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\\ }) catch unreachable) |*prev_value| {
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\\ foo();
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\\ bar();
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\\ }
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\\ if (put(
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\\ a,
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\\ b,
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\\ )) {
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\\ foo();
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\\ }
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\\}
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\\
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);
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}
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test "zig fmt: same-line doc comment on variable declaration" {
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try testTransform(
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\\pub const MAP_ANONYMOUS = 0x1000; /// allocated from memory, swap space
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\\pub const MAP_FILE = 0x0000; /// map from file (default)
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\\
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\\pub const EMEDIUMTYPE = 124; /// Wrong medium type
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\\
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\\// nameserver query return codes
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\\pub const ENSROK = 0; /// DNS server returned answer with no data
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,
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\\/// allocated from memory, swap space
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\\pub const MAP_ANONYMOUS = 0x1000;
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\\/// map from file (default)
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\\pub const MAP_FILE = 0x0000;
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\\
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\\/// Wrong medium type
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\\pub const EMEDIUMTYPE = 124;
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\\
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\\// nameserver query return codes
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\\/// DNS server returned answer with no data
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\\pub const ENSROK = 0;
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\\
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);
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}
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test "zig fmt: if-else with comment before else" {
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try testCanonical(
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\\comptime {
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\\ // cexp(finite|nan +- i inf|nan) = nan + i nan
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\\ if ((hx & 0x7fffffff) != 0x7f800000) {
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\\ return Complex(f32).new(y - y, y - y);
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\\ } // cexp(-inf +- i inf|nan) = 0 + i0
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\\ else if (hx & 0x80000000 != 0) {
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\\ return Complex(f32).new(0, 0);
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\\ } // cexp(+inf +- i inf|nan) = inf + i nan
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\\ else {
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\\ return Complex(f32).new(x, y - y);
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\\ }
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\\}
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\\
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);
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}
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test "zig fmt: respect line breaks in if-else" {
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try testCanonical(
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\\comptime {
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\\ return if (cond) a else b;
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\\ return if (cond)
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\\ a
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\\ else
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\\ b;
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\\ return if (cond)
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\\ a
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\\ else if (cond)
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\\ b
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\\ else
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\\ c;
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\\}
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\\
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);
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}
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test "zig fmt: respect line breaks after infix operators" {
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try testCanonical(
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\\comptime {
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\\ self.crc =
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\\ lookup_tables[0][p[7]] ^
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\\ lookup_tables[1][p[6]] ^
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\\ lookup_tables[2][p[5]] ^
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\\ lookup_tables[3][p[4]] ^
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\\ lookup_tables[4][@truncate(u8, self.crc >> 24)] ^
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\\ lookup_tables[5][@truncate(u8, self.crc >> 16)] ^
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\\ lookup_tables[6][@truncate(u8, self.crc >> 8)] ^
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\\ lookup_tables[7][@truncate(u8, self.crc >> 0)];
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\\}
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\\
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);
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}
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test "zig fmt: fn decl with trailing comma" {
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try testTransform(
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\\fn foo(a: i32, b: i32,) void {}
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,
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\\fn foo(
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\\ a: i32,
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\\ b: i32,
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\\) void {}
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\\
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);
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}
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test "zig fmt: enum decl with no trailing comma" {
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try testTransform(
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\\const StrLitKind = enum {Normal, C};
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,
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\\const StrLitKind = enum {
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\\ Normal,
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\\ C,
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\\};
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\\
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);
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}
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test "zig fmt: switch comment before prong" {
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try testCanonical(
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\\comptime {
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\\ switch (a) {
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\\ // hi
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\\ 0 => {},
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\\ }
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\\}
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\\
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);
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}
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test "zig fmt: struct literal no trailing comma" {
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try testTransform(
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\\const a = foo{ .x = 1, .y = 2 };
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\\const a = foo{ .x = 1,
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\\ .y = 2 };
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,
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\\const a = foo{ .x = 1, .y = 2 };
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\\const a = foo{
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\\ .x = 1,
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\\ .y = 2,
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\\};
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\\
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);
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}
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test "zig fmt: array literal with hint" {
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try testTransform(
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\\const a = []u8{
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\\ 1, 2, //
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\\ 3,
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\\ 4,
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\\ 5,
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\\ 6,
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\\ 7 };
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\\const a = []u8{
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\\ 1, 2, //
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\\ 3,
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\\ 4,
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\\ 5,
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\\ 6,
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\\ 7, 8 };
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\\const a = []u8{
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\\ 1, 2, //
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\\ 3,
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\\ 4,
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\\ 5,
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\\ 6, // blah
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\\ 7, 8 };
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\\const a = []u8{
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\\ 1, 2, //
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\\ 3, //
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\\ 4,
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\\ 5,
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\\ 6,
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\\ 7 };
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\\const a = []u8{
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\\ 1,
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\\ 2,
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\\ 3, 4, //
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\\ 5, 6, //
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\\ 7, 8, //
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\\};
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,
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\\const a = []u8{
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\\ 1, 2,
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\\ 3, 4,
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\\ 5, 6,
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\\ 7,
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\\};
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\\const a = []u8{
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\\ 1, 2,
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\\ 3, 4,
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\\ 5, 6,
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\\ 7, 8,
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\\};
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\\const a = []u8{
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\\ 1, 2,
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\\ 3, 4,
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\\ 5, 6, // blah
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\\ 7, 8,
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\\};
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\\const a = []u8{
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\\ 1, 2,
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\\ 3, //
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\\ 4,
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\\ 5, 6,
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\\ 7,
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\\};
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\\const a = []u8{
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\\ 1,
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\\ 2,
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\\ 3,
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\\ 4,
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\\ 5,
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\\ 6,
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\\ 7,
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\\ 8,
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\\};
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\\
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);
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}
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test "zig fmt: multiline string with backslash at end of line" {
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try testCanonical(
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\\comptime {
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\\ err(
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\\ \\\
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\\ );
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\\}
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\\
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);
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}
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test "zig fmt: multiline string parameter in fn call with trailing comma" {
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try testCanonical(
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\\fn foo() void {
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\\ try stdout.print(
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\\ \\ZIG_CMAKE_BINARY_DIR {}
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\\ \\ZIG_C_HEADER_FILES {}
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\\ \\ZIG_DIA_GUIDS_LIB {}
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\\ \\
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\\ ,
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\\ std.cstr.toSliceConst(c.ZIG_CMAKE_BINARY_DIR),
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\\ std.cstr.toSliceConst(c.ZIG_CXX_COMPILER),
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\\ std.cstr.toSliceConst(c.ZIG_DIA_GUIDS_LIB),
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\\ );
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\\}
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\\
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);
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}
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test "zig fmt: trailing comma on fn call" {
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try testCanonical(
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\\comptime {
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\\ var module = try Module.create(
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\\ allocator,
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\\ zig_lib_dir,
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\\ full_cache_dir,
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\\ );
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\\}
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\\
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);
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}
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test "zig fmt: empty block with only comment" {
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try testCanonical(
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\\comptime {
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\\ {
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\\ // comment
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\\ }
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\\}
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\\
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);
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}
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test "zig fmt: no trailing comma on struct decl" {
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try testTransform(
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\\const RoundParam = struct {
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\\ k: usize, s: u32, t: u32
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\\};
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,
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\\const RoundParam = struct {
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\\ k: usize,
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\\ s: u32,
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\\ t: u32,
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\\};
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\\
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);
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}
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test "zig fmt: simple asm" {
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try testTransform(
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\\comptime {
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\\ asm volatile (
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\\ \\.globl aoeu;
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\\ \\.type aoeu, @function;
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\\ \\.set aoeu, derp;
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\\ );
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\\
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\\ asm ("not real assembly"
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\\ :[a] "x" (x),);
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\\ asm ("not real assembly"
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\\ :[a] "x" (->i32),:[a] "x" (1),);
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\\ asm ("still not real assembly"
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\\ :::"a","b",);
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\\}
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,
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\\comptime {
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\\ asm volatile (
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\\ \\.globl aoeu;
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\\ \\.type aoeu, @function;
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\\ \\.set aoeu, derp;
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\\ );
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\\
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\\ asm ("not real assembly"
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\\ : [a] "x" (x)
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\\ );
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\\ asm ("not real assembly"
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\\ : [a] "x" (-> i32)
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\\ : [a] "x" (1)
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\\ );
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\\ asm ("still not real assembly"
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\\ :
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\\ :
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\\ : "a", "b"
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\\ );
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\\}
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\\
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);
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}
|
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|
test "zig fmt: nested struct literal with one item" {
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try testCanonical(
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\\const a = foo{
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\\ .item = bar{ .a = b },
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\\};
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\\
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);
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}
|
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|
test "zig fmt: switch cases trailing comma" {
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try testTransform(
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\\fn switch_cases(x: i32) void {
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\\ switch (x) {
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\\ 1,2,3 => {},
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\\ 4,5, => {},
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\\ 6... 8, => {},
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\\ else => {},
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\\ }
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\\}
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|
,
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\\fn switch_cases(x: i32) void {
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\\ switch (x) {
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\\ 1, 2, 3 => {},
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\\ 4,
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\\ 5,
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\\ => {},
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\\ 6...8 => {},
|
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\\ else => {},
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\\ }
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\\}
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\\
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);
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}
|
|
|
|
test "zig fmt: slice align" {
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try testCanonical(
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\\const A = struct {
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\\ items: []align(A) T,
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|
\\};
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|
\\
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);
|
|
}
|
|
|
|
test "zig fmt: add trailing comma to array literal" {
|
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try testTransform(
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|
\\comptime {
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\\ return []u16{'m', 's', 'y', 's', '-' // hi
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|
\\ };
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\\ return []u16{'m', 's', 'y', 's',
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|
\\ '-'};
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|
\\ return []u16{'m', 's', 'y', 's', '-'};
|
|
\\}
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|
,
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|
\\comptime {
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\\ return []u16{
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\\ 'm', 's', 'y', 's', '-', // hi
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|
\\ };
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|
\\ return []u16{
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\\ 'm', 's', 'y', 's',
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\\ '-',
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\\ };
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\\ return []u16{ 'm', 's', 'y', 's', '-' };
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\\}
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\\
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);
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}
|
|
|
|
test "zig fmt: first thing in file is line comment" {
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try testCanonical(
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|
\\// Introspection and determination of system libraries needed by zig.
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|
\\
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\\// Introspection and determination of system libraries needed by zig.
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|
\\
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\\const std = @import("std");
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\\
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);
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}
|
|
|
|
test "zig fmt: line comment after doc comment" {
|
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try testCanonical(
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|
\\/// doc comment
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|
\\// line comment
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|
\\fn foo() void {}
|
|
\\
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|
);
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|
}
|
|
|
|
test "zig fmt: float literal with exponent" {
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try testCanonical(
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\\test "bit field alignment" {
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\\ assert(@typeOf(&blah.b) == *align(1:3:6) const u3);
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|
\\}
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|
\\
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);
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|
}
|
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|
|
test "zig fmt: float literal with exponent" {
|
|
try testCanonical(
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|
\\test "aoeu" {
|
|
\\ switch (state) {
|
|
\\ TermState.Start => switch (c) {
|
|
\\ '\x1b' => state = TermState.Escape,
|
|
\\ else => try out.writeByte(c),
|
|
\\ },
|
|
\\ }
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
test "zig fmt: float literal with exponent" {
|
|
try testCanonical(
|
|
\\pub const f64_true_min = 4.94065645841246544177e-324;
|
|
\\const threshold = 0x1.a827999fcef32p+1022;
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: if-else end of comptime" {
|
|
try testCanonical(
|
|
\\comptime {
|
|
\\ if (a) {
|
|
\\ b();
|
|
\\ } else {
|
|
\\ b();
|
|
\\ }
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: nested blocks" {
|
|
try testCanonical(
|
|
\\comptime {
|
|
\\ {
|
|
\\ {
|
|
\\ {
|
|
\\ a();
|
|
\\ }
|
|
\\ }
|
|
\\ }
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: block with same line comment after end brace" {
|
|
try testCanonical(
|
|
\\comptime {
|
|
\\ {
|
|
\\ b();
|
|
\\ } // comment
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: statements with comment between" {
|
|
try testCanonical(
|
|
\\comptime {
|
|
\\ a = b;
|
|
\\ // comment
|
|
\\ a = b;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: statements with empty line between" {
|
|
try testCanonical(
|
|
\\comptime {
|
|
\\ a = b;
|
|
\\
|
|
\\ a = b;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: ptr deref operator and unwrap optional operator" {
|
|
try testCanonical(
|
|
\\const a = b.*;
|
|
\\const a = b.?;
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: comment after if before another if" {
|
|
try testCanonical(
|
|
\\test "aoeu" {
|
|
\\ // comment
|
|
\\ if (x) {
|
|
\\ bar();
|
|
\\ }
|
|
\\}
|
|
\\
|
|
\\test "aoeu" {
|
|
\\ if (x) {
|
|
\\ foo();
|
|
\\ }
|
|
\\ // comment
|
|
\\ if (x) {
|
|
\\ bar();
|
|
\\ }
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: line comment between if block and else keyword" {
|
|
try testCanonical(
|
|
\\test "aoeu" {
|
|
\\ // cexp(finite|nan +- i inf|nan) = nan + i nan
|
|
\\ if ((hx & 0x7fffffff) != 0x7f800000) {
|
|
\\ return Complex(f32).new(y - y, y - y);
|
|
\\ }
|
|
\\ // cexp(-inf +- i inf|nan) = 0 + i0
|
|
\\ else if (hx & 0x80000000 != 0) {
|
|
\\ return Complex(f32).new(0, 0);
|
|
\\ }
|
|
\\ // cexp(+inf +- i inf|nan) = inf + i nan
|
|
\\ // another comment
|
|
\\ else {
|
|
\\ return Complex(f32).new(x, y - y);
|
|
\\ }
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: same line comments in expression" {
|
|
try testCanonical(
|
|
\\test "aoeu" {
|
|
\\ const x = ( // a
|
|
\\ 0 // b
|
|
\\ ); // c
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: add comma on last switch prong" {
|
|
try testTransform(
|
|
\\test "aoeu" {
|
|
\\switch (self.init_arg_expr) {
|
|
\\ InitArg.Type => |t| { },
|
|
\\ InitArg.None,
|
|
\\ InitArg.Enum => { }
|
|
\\}
|
|
\\ switch (self.init_arg_expr) {
|
|
\\ InitArg.Type => |t| { },
|
|
\\ InitArg.None,
|
|
\\ InitArg.Enum => { }//line comment
|
|
\\ }
|
|
\\}
|
|
,
|
|
\\test "aoeu" {
|
|
\\ switch (self.init_arg_expr) {
|
|
\\ InitArg.Type => |t| {},
|
|
\\ InitArg.None, InitArg.Enum => {},
|
|
\\ }
|
|
\\ switch (self.init_arg_expr) {
|
|
\\ InitArg.Type => |t| {},
|
|
\\ InitArg.None, InitArg.Enum => {}, //line comment
|
|
\\ }
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: same-line comment after a statement" {
|
|
try testCanonical(
|
|
\\test "" {
|
|
\\ a = b;
|
|
\\ debug.assert(H.digest_size <= H.block_size); // HMAC makes this assumption
|
|
\\ a = b;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: same-line comment after var decl in struct" {
|
|
try testCanonical(
|
|
\\pub const vfs_cap_data = extern struct {
|
|
\\ const Data = struct {}; // when on disk.
|
|
\\};
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: same-line comment after field decl" {
|
|
try testCanonical(
|
|
\\pub const dirent = extern struct {
|
|
\\ d_name: u8,
|
|
\\ d_name: u8, // comment 1
|
|
\\ d_name: u8,
|
|
\\ d_name: u8, // comment 2
|
|
\\ d_name: u8,
|
|
\\};
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: same-line comment after switch prong" {
|
|
try testCanonical(
|
|
\\test "" {
|
|
\\ switch (err) {
|
|
\\ error.PathAlreadyExists => {}, // comment 2
|
|
\\ else => return err, // comment 1
|
|
\\ }
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: same-line comment after non-block if expression" {
|
|
try testCanonical(
|
|
\\comptime {
|
|
\\ if (sr > n_uword_bits - 1) // d > r
|
|
\\ return 0;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: same-line comment on comptime expression" {
|
|
try testCanonical(
|
|
\\test "" {
|
|
\\ comptime assert(@typeId(T) == builtin.TypeId.Int); // must pass an integer to absInt
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: switch with empty body" {
|
|
try testCanonical(
|
|
\\test "" {
|
|
\\ foo() catch |err| switch (err) {};
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: line comments in struct initializer" {
|
|
try testCanonical(
|
|
\\fn foo() void {
|
|
\\ return Self{
|
|
\\ .a = b,
|
|
\\
|
|
\\ // Initialize these two fields to buffer_size so that
|
|
\\ // in `readFn` we treat the state as being able to read
|
|
\\ .start_index = buffer_size,
|
|
\\ .end_index = buffer_size,
|
|
\\
|
|
\\ // middle
|
|
\\
|
|
\\ .a = b,
|
|
\\
|
|
\\ // end
|
|
\\ };
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: doc comments before struct field" {
|
|
try testCanonical(
|
|
\\pub const Allocator = struct {
|
|
\\ /// Allocate byte_count bytes and return them in a slice, with the
|
|
\\ /// slice's pointer aligned at least to alignment bytes.
|
|
\\ allocFn: fn () void,
|
|
\\};
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: error set declaration" {
|
|
try testCanonical(
|
|
\\const E = error{
|
|
\\ A,
|
|
\\ B,
|
|
\\
|
|
\\ C,
|
|
\\};
|
|
\\
|
|
\\const Error = error{
|
|
\\ /// no more memory
|
|
\\ OutOfMemory,
|
|
\\};
|
|
\\
|
|
\\const Error = error{
|
|
\\ /// no more memory
|
|
\\ OutOfMemory,
|
|
\\
|
|
\\ /// another
|
|
\\ Another,
|
|
\\
|
|
\\ // end
|
|
\\};
|
|
\\
|
|
\\const Error = error{OutOfMemory};
|
|
\\const Error = error{};
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: union(enum(u32)) with assigned enum values" {
|
|
try testCanonical(
|
|
\\const MultipleChoice = union(enum(u32)) {
|
|
\\ A = 20,
|
|
\\ B = 40,
|
|
\\ C = 60,
|
|
\\ D = 1000,
|
|
\\};
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: resume from suspend block" {
|
|
try testCanonical(
|
|
\\fn foo() void {
|
|
\\ suspend {
|
|
\\ resume @handle();
|
|
\\ }
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: comments before error set decl" {
|
|
try testCanonical(
|
|
\\const UnexpectedError = error{
|
|
\\ /// The Operating System returned an undocumented error code.
|
|
\\ Unexpected,
|
|
\\ // another
|
|
\\ Another,
|
|
\\
|
|
\\ // in between
|
|
\\
|
|
\\ // at end
|
|
\\};
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: comments before switch prong" {
|
|
try testCanonical(
|
|
\\test "" {
|
|
\\ switch (err) {
|
|
\\ error.PathAlreadyExists => continue,
|
|
\\
|
|
\\ // comment 1
|
|
\\
|
|
\\ // comment 2
|
|
\\ else => return err,
|
|
\\ // at end
|
|
\\ }
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: comments before var decl in struct" {
|
|
try testCanonical(
|
|
\\pub const vfs_cap_data = extern struct {
|
|
\\ // All of these are mandated as little endian
|
|
\\ // when on disk.
|
|
\\ const Data = struct {
|
|
\\ permitted: u32,
|
|
\\ inheritable: u32,
|
|
\\ };
|
|
\\
|
|
\\ // in between
|
|
\\
|
|
\\ /// All of these are mandated as little endian
|
|
\\ /// when on disk.
|
|
\\ const Data = struct {
|
|
\\ permitted: u32,
|
|
\\ inheritable: u32,
|
|
\\ };
|
|
\\
|
|
\\ // at end
|
|
\\};
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: array literal with 1 item on 1 line" {
|
|
try testCanonical(
|
|
\\var s = []const u64{0} ** 25;
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: comments before global variables" {
|
|
try testCanonical(
|
|
\\/// Foo copies keys and values before they go into the map, and
|
|
\\/// frees them when they get removed.
|
|
\\pub const Foo = struct {};
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: comments in statements" {
|
|
try testCanonical(
|
|
\\test "std" {
|
|
\\ // statement comment
|
|
\\ _ = @import("foo/bar.zig");
|
|
\\
|
|
\\ // middle
|
|
\\ // middle2
|
|
\\
|
|
\\ // end
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: comments before test decl" {
|
|
try testCanonical(
|
|
\\/// top level doc comment
|
|
\\test "hi" {}
|
|
\\
|
|
\\// top level normal comment
|
|
\\test "hi" {}
|
|
\\
|
|
\\// middle
|
|
\\
|
|
\\// end
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: preserve spacing" {
|
|
try testCanonical(
|
|
\\const std = @import("std");
|
|
\\
|
|
\\pub fn main() !void {
|
|
\\ var stdout_file = try std.io.getStdOut;
|
|
\\ var stdout_file = try std.io.getStdOut;
|
|
\\
|
|
\\ var stdout_file = try std.io.getStdOut;
|
|
\\ var stdout_file = try std.io.getStdOut;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: return types" {
|
|
try testCanonical(
|
|
\\pub fn main() !void {}
|
|
\\pub fn main() var {}
|
|
\\pub fn main() i32 {}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: imports" {
|
|
try testCanonical(
|
|
\\const std = @import("std");
|
|
\\const std = @import();
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: global declarations" {
|
|
try testCanonical(
|
|
\\const a = b;
|
|
\\pub const a = b;
|
|
\\var a = b;
|
|
\\pub var a = b;
|
|
\\const a: i32 = b;
|
|
\\pub const a: i32 = b;
|
|
\\var a: i32 = b;
|
|
\\pub var a: i32 = b;
|
|
\\extern const a: i32 = b;
|
|
\\pub extern const a: i32 = b;
|
|
\\extern var a: i32 = b;
|
|
\\pub extern var a: i32 = b;
|
|
\\extern "a" const a: i32 = b;
|
|
\\pub extern "a" const a: i32 = b;
|
|
\\extern "a" var a: i32 = b;
|
|
\\pub extern "a" var a: i32 = b;
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: extern declaration" {
|
|
try testCanonical(
|
|
\\extern var foo: c_int;
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: alignment" {
|
|
try testCanonical(
|
|
\\var foo: c_int align(1);
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: C main" {
|
|
try testCanonical(
|
|
\\fn main(argc: c_int, argv: **u8) c_int {
|
|
\\ const a = b;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: return" {
|
|
try testCanonical(
|
|
\\fn foo(argc: c_int, argv: **u8) c_int {
|
|
\\ return 0;
|
|
\\}
|
|
\\
|
|
\\fn bar() void {
|
|
\\ return;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: pointer attributes" {
|
|
try testCanonical(
|
|
\\extern fn f1(s: *align(*u8) u8) c_int;
|
|
\\extern fn f2(s: **align(1) *const *volatile u8) c_int;
|
|
\\extern fn f3(s: *align(1) const *align(1) volatile *const volatile u8) c_int;
|
|
\\extern fn f4(s: *align(1) const volatile u8) c_int;
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: slice attributes" {
|
|
try testCanonical(
|
|
\\extern fn f1(s: *align(*u8) u8) c_int;
|
|
\\extern fn f2(s: **align(1) *const *volatile u8) c_int;
|
|
\\extern fn f3(s: *align(1) const *align(1) volatile *const volatile u8) c_int;
|
|
\\extern fn f4(s: *align(1) const volatile u8) c_int;
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: test declaration" {
|
|
try testCanonical(
|
|
\\test "test name" {
|
|
\\ const a = 1;
|
|
\\ var b = 1;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: infix operators" {
|
|
try testCanonical(
|
|
\\test "infix operators" {
|
|
\\ var i = undefined;
|
|
\\ i = 2;
|
|
\\ i *= 2;
|
|
\\ i |= 2;
|
|
\\ i ^= 2;
|
|
\\ i <<= 2;
|
|
\\ i >>= 2;
|
|
\\ i &= 2;
|
|
\\ i *= 2;
|
|
\\ i *%= 2;
|
|
\\ i -= 2;
|
|
\\ i -%= 2;
|
|
\\ i += 2;
|
|
\\ i +%= 2;
|
|
\\ i /= 2;
|
|
\\ i %= 2;
|
|
\\ _ = i == i;
|
|
\\ _ = i != i;
|
|
\\ _ = i != i;
|
|
\\ _ = i.i;
|
|
\\ _ = i || i;
|
|
\\ _ = i!i;
|
|
\\ _ = i ** i;
|
|
\\ _ = i ++ i;
|
|
\\ _ = i orelse i;
|
|
\\ _ = i % i;
|
|
\\ _ = i / i;
|
|
\\ _ = i *% i;
|
|
\\ _ = i * i;
|
|
\\ _ = i -% i;
|
|
\\ _ = i - i;
|
|
\\ _ = i +% i;
|
|
\\ _ = i + i;
|
|
\\ _ = i << i;
|
|
\\ _ = i >> i;
|
|
\\ _ = i & i;
|
|
\\ _ = i ^ i;
|
|
\\ _ = i | i;
|
|
\\ _ = i >= i;
|
|
\\ _ = i <= i;
|
|
\\ _ = i > i;
|
|
\\ _ = i < i;
|
|
\\ _ = i and i;
|
|
\\ _ = i or i;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: precedence" {
|
|
try testCanonical(
|
|
\\test "precedence" {
|
|
\\ a!b();
|
|
\\ (a!b)();
|
|
\\ !a!b;
|
|
\\ !(a!b);
|
|
\\ !a{};
|
|
\\ !(a{});
|
|
\\ a + b{};
|
|
\\ (a + b){};
|
|
\\ a << b + c;
|
|
\\ (a << b) + c;
|
|
\\ a & b << c;
|
|
\\ (a & b) << c;
|
|
\\ a ^ b & c;
|
|
\\ (a ^ b) & c;
|
|
\\ a | b ^ c;
|
|
\\ (a | b) ^ c;
|
|
\\ a == b | c;
|
|
\\ (a == b) | c;
|
|
\\ a and b == c;
|
|
\\ (a and b) == c;
|
|
\\ a or b and c;
|
|
\\ (a or b) and c;
|
|
\\ (a or b) and c;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: prefix operators" {
|
|
try testCanonical(
|
|
\\test "prefix operators" {
|
|
\\ try return --%~!*&0;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: call expression" {
|
|
try testCanonical(
|
|
\\test "test calls" {
|
|
\\ a();
|
|
\\ a(1);
|
|
\\ a(1, 2);
|
|
\\ a(1, 2) + a(1, 2);
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: var args" {
|
|
try testCanonical(
|
|
\\fn print(args: ...) void {}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: var type" {
|
|
try testCanonical(
|
|
\\fn print(args: var) var {}
|
|
\\const Var = var;
|
|
\\const i: var = 0;
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: functions" {
|
|
try testCanonical(
|
|
\\extern fn puts(s: *const u8) c_int;
|
|
\\extern "c" fn puts(s: *const u8) c_int;
|
|
\\export fn puts(s: *const u8) c_int;
|
|
\\inline fn puts(s: *const u8) c_int;
|
|
\\pub extern fn puts(s: *const u8) c_int;
|
|
\\pub extern "c" fn puts(s: *const u8) c_int;
|
|
\\pub export fn puts(s: *const u8) c_int;
|
|
\\pub inline fn puts(s: *const u8) c_int;
|
|
\\pub extern fn puts(s: *const u8) align(2 + 2) c_int;
|
|
\\pub extern "c" fn puts(s: *const u8) align(2 + 2) c_int;
|
|
\\pub export fn puts(s: *const u8) align(2 + 2) c_int;
|
|
\\pub inline fn puts(s: *const u8) align(2 + 2) c_int;
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: multiline string" {
|
|
try testCanonical(
|
|
\\test "" {
|
|
\\ const s1 =
|
|
\\ \\one
|
|
\\ \\two)
|
|
\\ \\three
|
|
\\ ;
|
|
\\ const s2 =
|
|
\\ c\\one
|
|
\\ c\\two)
|
|
\\ c\\three
|
|
\\ ;
|
|
\\ const s3 = // hi
|
|
\\ \\one
|
|
\\ \\two)
|
|
\\ \\three
|
|
\\ ;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: values" {
|
|
try testCanonical(
|
|
\\test "values" {
|
|
\\ 1;
|
|
\\ 1.0;
|
|
\\ "string";
|
|
\\ c"cstring";
|
|
\\ 'c';
|
|
\\ true;
|
|
\\ false;
|
|
\\ null;
|
|
\\ undefined;
|
|
\\ anyerror;
|
|
\\ this;
|
|
\\ unreachable;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: indexing" {
|
|
try testCanonical(
|
|
\\test "test index" {
|
|
\\ a[0];
|
|
\\ a[0 + 5];
|
|
\\ a[0..];
|
|
\\ a[0..5];
|
|
\\ a[a[0]];
|
|
\\ a[a[0..]];
|
|
\\ a[a[0..5]];
|
|
\\ a[a[0]..];
|
|
\\ a[a[0..5]..];
|
|
\\ a[a[0]..a[0]];
|
|
\\ a[a[0..5]..a[0]];
|
|
\\ a[a[0..5]..a[0..5]];
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: struct declaration" {
|
|
try testCanonical(
|
|
\\const S = struct {
|
|
\\ const Self = @This();
|
|
\\ f1: u8,
|
|
\\ pub f3: u8,
|
|
\\
|
|
\\ fn method(self: *Self) Self {
|
|
\\ return self.*;
|
|
\\ }
|
|
\\
|
|
\\ f2: u8,
|
|
\\};
|
|
\\
|
|
\\const Ps = packed struct {
|
|
\\ a: u8,
|
|
\\ pub b: u8,
|
|
\\
|
|
\\ c: u8,
|
|
\\};
|
|
\\
|
|
\\const Es = extern struct {
|
|
\\ a: u8,
|
|
\\ pub b: u8,
|
|
\\
|
|
\\ c: u8,
|
|
\\};
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: enum declaration" {
|
|
try testCanonical(
|
|
\\const E = enum {
|
|
\\ Ok,
|
|
\\ SomethingElse = 0,
|
|
\\};
|
|
\\
|
|
\\const E2 = enum(u8) {
|
|
\\ Ok,
|
|
\\ SomethingElse = 255,
|
|
\\ SomethingThird,
|
|
\\};
|
|
\\
|
|
\\const Ee = extern enum {
|
|
\\ Ok,
|
|
\\ SomethingElse,
|
|
\\ SomethingThird,
|
|
\\};
|
|
\\
|
|
\\const Ep = packed enum {
|
|
\\ Ok,
|
|
\\ SomethingElse,
|
|
\\ SomethingThird,
|
|
\\};
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: union declaration" {
|
|
try testCanonical(
|
|
\\const U = union {
|
|
\\ Int: u8,
|
|
\\ Float: f32,
|
|
\\ None,
|
|
\\ Bool: bool,
|
|
\\};
|
|
\\
|
|
\\const Ue = union(enum) {
|
|
\\ Int: u8,
|
|
\\ Float: f32,
|
|
\\ None,
|
|
\\ Bool: bool,
|
|
\\};
|
|
\\
|
|
\\const E = enum {
|
|
\\ Int,
|
|
\\ Float,
|
|
\\ None,
|
|
\\ Bool,
|
|
\\};
|
|
\\
|
|
\\const Ue2 = union(E) {
|
|
\\ Int: u8,
|
|
\\ Float: f32,
|
|
\\ None,
|
|
\\ Bool: bool,
|
|
\\};
|
|
\\
|
|
\\const Eu = extern union {
|
|
\\ Int: u8,
|
|
\\ Float: f32,
|
|
\\ None,
|
|
\\ Bool: bool,
|
|
\\};
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: arrays" {
|
|
try testCanonical(
|
|
\\test "test array" {
|
|
\\ const a: [2]u8 = [2]u8{
|
|
\\ 1,
|
|
\\ 2,
|
|
\\ };
|
|
\\ const a: [2]u8 = []u8{
|
|
\\ 1,
|
|
\\ 2,
|
|
\\ };
|
|
\\ const a: [0]u8 = []u8{};
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: container initializers" {
|
|
try testCanonical(
|
|
\\const a0 = []u8{};
|
|
\\const a1 = []u8{1};
|
|
\\const a2 = []u8{
|
|
\\ 1,
|
|
\\ 2,
|
|
\\ 3,
|
|
\\ 4,
|
|
\\};
|
|
\\const s0 = S{};
|
|
\\const s1 = S{ .a = 1 };
|
|
\\const s2 = S{
|
|
\\ .a = 1,
|
|
\\ .b = 2,
|
|
\\};
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: catch" {
|
|
try testCanonical(
|
|
\\test "catch" {
|
|
\\ const a: anyerror!u8 = 0;
|
|
\\ _ = a catch return;
|
|
\\ _ = a catch |err| return;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: blocks" {
|
|
try testCanonical(
|
|
\\test "blocks" {
|
|
\\ {
|
|
\\ const a = 0;
|
|
\\ const b = 0;
|
|
\\ }
|
|
\\
|
|
\\ blk: {
|
|
\\ const a = 0;
|
|
\\ const b = 0;
|
|
\\ }
|
|
\\
|
|
\\ const r = blk: {
|
|
\\ const a = 0;
|
|
\\ const b = 0;
|
|
\\ };
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: switch" {
|
|
try testCanonical(
|
|
\\test "switch" {
|
|
\\ switch (0) {
|
|
\\ 0 => {},
|
|
\\ 1 => unreachable,
|
|
\\ 2, 3 => {},
|
|
\\ 4...7 => {},
|
|
\\ 1 + 4 * 3 + 22 => {},
|
|
\\ else => {
|
|
\\ const a = 1;
|
|
\\ const b = a;
|
|
\\ },
|
|
\\ }
|
|
\\
|
|
\\ const res = switch (0) {
|
|
\\ 0 => 0,
|
|
\\ 1 => 2,
|
|
\\ 1 => a = 4,
|
|
\\ else => 4,
|
|
\\ };
|
|
\\
|
|
\\ const Union = union(enum) {
|
|
\\ Int: i64,
|
|
\\ Float: f64,
|
|
\\ };
|
|
\\
|
|
\\ switch (u) {
|
|
\\ Union.Int => |int| {},
|
|
\\ Union.Float => |*float| unreachable,
|
|
\\ }
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: while" {
|
|
try testCanonical(
|
|
\\test "while" {
|
|
\\ while (10 < 1) {
|
|
\\ unreachable;
|
|
\\ }
|
|
\\
|
|
\\ while (10 < 1)
|
|
\\ unreachable;
|
|
\\
|
|
\\ var i: usize = 0;
|
|
\\ while (i < 10) : (i += 1) {
|
|
\\ continue;
|
|
\\ }
|
|
\\
|
|
\\ i = 0;
|
|
\\ while (i < 10) : (i += 1)
|
|
\\ continue;
|
|
\\
|
|
\\ i = 0;
|
|
\\ var j: usize = 0;
|
|
\\ while (i < 10) : ({
|
|
\\ i += 1;
|
|
\\ j += 1;
|
|
\\ }) {
|
|
\\ continue;
|
|
\\ }
|
|
\\
|
|
\\ var a: ?u8 = 2;
|
|
\\ while (a) |v| : (a = null) {
|
|
\\ continue;
|
|
\\ }
|
|
\\
|
|
\\ while (a) |v| : (a = null)
|
|
\\ unreachable;
|
|
\\
|
|
\\ label: while (10 < 0) {
|
|
\\ unreachable;
|
|
\\ }
|
|
\\
|
|
\\ const res = while (0 < 10) {
|
|
\\ break 7;
|
|
\\ } else {
|
|
\\ unreachable;
|
|
\\ };
|
|
\\
|
|
\\ const res = while (0 < 10)
|
|
\\ break 7
|
|
\\ else
|
|
\\ unreachable;
|
|
\\
|
|
\\ var a: anyerror!u8 = 0;
|
|
\\ while (a) |v| {
|
|
\\ a = error.Err;
|
|
\\ } else |err| {
|
|
\\ i = 1;
|
|
\\ }
|
|
\\
|
|
\\ comptime var k: usize = 0;
|
|
\\ inline while (i < 10) : (i += 1)
|
|
\\ j += 2;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: for" {
|
|
try testCanonical(
|
|
\\test "for" {
|
|
\\ for (a) |v| {
|
|
\\ continue;
|
|
\\ }
|
|
\\
|
|
\\ for (a) |v|
|
|
\\ continue;
|
|
\\
|
|
\\ for (a) |*v|
|
|
\\ continue;
|
|
\\
|
|
\\ for (a) |v, i| {
|
|
\\ continue;
|
|
\\ }
|
|
\\
|
|
\\ for (a) |v, i|
|
|
\\ continue;
|
|
\\
|
|
\\ const res = for (a) |v, i| {
|
|
\\ break v;
|
|
\\ } else {
|
|
\\ unreachable;
|
|
\\ };
|
|
\\
|
|
\\ var num: usize = 0;
|
|
\\ inline for (a) |v, i| {
|
|
\\ num += v;
|
|
\\ num += i;
|
|
\\ }
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: if" {
|
|
try testCanonical(
|
|
\\test "if" {
|
|
\\ if (10 < 0) {
|
|
\\ unreachable;
|
|
\\ }
|
|
\\
|
|
\\ if (10 < 0) unreachable;
|
|
\\
|
|
\\ if (10 < 0) {
|
|
\\ unreachable;
|
|
\\ } else {
|
|
\\ const a = 20;
|
|
\\ }
|
|
\\
|
|
\\ if (10 < 0) {
|
|
\\ unreachable;
|
|
\\ } else if (5 < 0) {
|
|
\\ unreachable;
|
|
\\ } else {
|
|
\\ const a = 20;
|
|
\\ }
|
|
\\
|
|
\\ const is_world_broken = if (10 < 0) true else false;
|
|
\\ const some_number = 1 + if (10 < 0) 2 else 3;
|
|
\\
|
|
\\ const a: ?u8 = 10;
|
|
\\ const b: ?u8 = null;
|
|
\\ if (a) |v| {
|
|
\\ const some = v;
|
|
\\ } else if (b) |*v| {
|
|
\\ unreachable;
|
|
\\ } else {
|
|
\\ const some = 10;
|
|
\\ }
|
|
\\
|
|
\\ const non_null_a = if (a) |v| v else 0;
|
|
\\
|
|
\\ const a_err: anyerror!u8 = 0;
|
|
\\ if (a_err) |v| {
|
|
\\ const p = v;
|
|
\\ } else |err| {
|
|
\\ unreachable;
|
|
\\ }
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: defer" {
|
|
try testCanonical(
|
|
\\test "defer" {
|
|
\\ var i: usize = 0;
|
|
\\ defer i = 1;
|
|
\\ defer {
|
|
\\ i += 2;
|
|
\\ i *= i;
|
|
\\ }
|
|
\\
|
|
\\ errdefer i += 3;
|
|
\\ errdefer {
|
|
\\ i += 2;
|
|
\\ i /= i;
|
|
\\ }
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: comptime" {
|
|
try testCanonical(
|
|
\\fn a() u8 {
|
|
\\ return 5;
|
|
\\}
|
|
\\
|
|
\\fn b(comptime i: u8) u8 {
|
|
\\ return i;
|
|
\\}
|
|
\\
|
|
\\const av = comptime a();
|
|
\\const av2 = comptime blk: {
|
|
\\ var res = a();
|
|
\\ res *= b(2);
|
|
\\ break :blk res;
|
|
\\};
|
|
\\
|
|
\\comptime {
|
|
\\ _ = a();
|
|
\\}
|
|
\\
|
|
\\test "comptime" {
|
|
\\ const av3 = comptime a();
|
|
\\ const av4 = comptime blk: {
|
|
\\ var res = a();
|
|
\\ res *= a();
|
|
\\ break :blk res;
|
|
\\ };
|
|
\\
|
|
\\ comptime var i = 0;
|
|
\\ comptime {
|
|
\\ i = a();
|
|
\\ i += b(i);
|
|
\\ }
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: fn type" {
|
|
try testCanonical(
|
|
\\fn a(i: u8) u8 {
|
|
\\ return i + 1;
|
|
\\}
|
|
\\
|
|
\\const a: fn (u8) u8 = undefined;
|
|
\\const b: extern fn (u8) u8 = undefined;
|
|
\\const c: nakedcc fn (u8) u8 = undefined;
|
|
\\const ap: fn (u8) u8 = a;
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: inline asm" {
|
|
try testCanonical(
|
|
\\pub fn syscall1(number: usize, arg1: usize) usize {
|
|
\\ return asm volatile ("syscall"
|
|
\\ : [ret] "={rax}" (-> usize)
|
|
\\ : [number] "{rax}" (number),
|
|
\\ [arg1] "{rdi}" (arg1)
|
|
\\ : "rcx", "r11"
|
|
\\ );
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: coroutines" {
|
|
try testCanonical(
|
|
\\async fn simpleAsyncFn() void {
|
|
\\ const a = async a.b();
|
|
\\ x += 1;
|
|
\\ suspend;
|
|
\\ x += 1;
|
|
\\ suspend;
|
|
\\ const p: promise->void = async simpleAsyncFn() catch unreachable;
|
|
\\ await p;
|
|
\\}
|
|
\\
|
|
\\test "coroutine suspend, resume, cancel" {
|
|
\\ const p: promise = try async<std.debug.global_allocator> testAsyncSeq();
|
|
\\ resume p;
|
|
\\ cancel p;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: Block after if" {
|
|
try testCanonical(
|
|
\\test "Block after if" {
|
|
\\ if (true) {
|
|
\\ const a = 0;
|
|
\\ }
|
|
\\
|
|
\\ {
|
|
\\ const a = 0;
|
|
\\ }
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: use" {
|
|
try testCanonical(
|
|
\\use @import("std");
|
|
\\pub use @import("std");
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: string identifier" {
|
|
try testCanonical(
|
|
\\const @"a b" = @"c d".@"e f";
|
|
\\fn @"g h"() void {}
|
|
\\
|
|
);
|
|
}
|
|
|
|
test "zig fmt: error return" {
|
|
try testCanonical(
|
|
\\fn err() anyerror {
|
|
\\ call();
|
|
\\ return error.InvalidArgs;
|
|
\\}
|
|
\\
|
|
);
|
|
}
|
|
|
|
const std = @import("std");
|
|
const mem = std.mem;
|
|
const warn = std.debug.warn;
|
|
const io = std.io;
|
|
const maxInt = std.math.maxInt;
|
|
|
|
var fixed_buffer_mem: [100 * 1024]u8 = undefined;
|
|
|
|
fn testParse(source: []const u8, allocator: *mem.Allocator, anything_changed: *bool) ![]u8 {
|
|
var stderr_file = try io.getStdErr();
|
|
var stderr = &stderr_file.outStream().stream;
|
|
|
|
var tree = try std.zig.parse(allocator, source);
|
|
defer tree.deinit();
|
|
|
|
var error_it = tree.errors.iterator(0);
|
|
while (error_it.next()) |parse_error| {
|
|
const token = tree.tokens.at(parse_error.loc());
|
|
const loc = tree.tokenLocation(0, parse_error.loc());
|
|
try stderr.print("(memory buffer):{}:{}: error: ", loc.line + 1, loc.column + 1);
|
|
try tree.renderError(parse_error, stderr);
|
|
try stderr.print("\n{}\n", source[loc.line_start..loc.line_end]);
|
|
{
|
|
var i: usize = 0;
|
|
while (i < loc.column) : (i += 1) {
|
|
try stderr.write(" ");
|
|
}
|
|
}
|
|
{
|
|
const caret_count = token.end - token.start;
|
|
var i: usize = 0;
|
|
while (i < caret_count) : (i += 1) {
|
|
try stderr.write("~");
|
|
}
|
|
}
|
|
try stderr.write("\n");
|
|
}
|
|
if (tree.errors.len != 0) {
|
|
return error.ParseError;
|
|
}
|
|
|
|
var buffer = try std.Buffer.initSize(allocator, 0);
|
|
errdefer buffer.deinit();
|
|
|
|
var buffer_out_stream = io.BufferOutStream.init(&buffer);
|
|
anything_changed.* = try std.zig.render(allocator, &buffer_out_stream.stream, &tree);
|
|
return buffer.toOwnedSlice();
|
|
}
|
|
|
|
fn testTransform(source: []const u8, expected_source: []const u8) !void {
|
|
const needed_alloc_count = x: {
|
|
// Try it once with unlimited memory, make sure it works
|
|
var fixed_allocator = std.heap.FixedBufferAllocator.init(fixed_buffer_mem[0..]);
|
|
var failing_allocator = std.debug.FailingAllocator.init(&fixed_allocator.allocator, maxInt(usize));
|
|
var anything_changed: bool = undefined;
|
|
const result_source = try testParse(source, &failing_allocator.allocator, &anything_changed);
|
|
if (!mem.eql(u8, result_source, expected_source)) {
|
|
warn("\n====== expected this output: =========\n");
|
|
warn("{}", expected_source);
|
|
warn("\n======== instead found this: =========\n");
|
|
warn("{}", result_source);
|
|
warn("\n======================================\n");
|
|
return error.TestFailed;
|
|
}
|
|
const changes_expected = source.ptr != expected_source.ptr;
|
|
if (anything_changed != changes_expected) {
|
|
warn("std.zig.render returned {} instead of {}\n", anything_changed, changes_expected);
|
|
return error.TestFailed;
|
|
}
|
|
std.debug.assert(anything_changed == changes_expected);
|
|
failing_allocator.allocator.free(result_source);
|
|
break :x failing_allocator.index;
|
|
};
|
|
|
|
var fail_index: usize = 0;
|
|
while (fail_index < needed_alloc_count) : (fail_index += 1) {
|
|
var fixed_allocator = std.heap.FixedBufferAllocator.init(fixed_buffer_mem[0..]);
|
|
var failing_allocator = std.debug.FailingAllocator.init(&fixed_allocator.allocator, fail_index);
|
|
var anything_changed: bool = undefined;
|
|
if (testParse(source, &failing_allocator.allocator, &anything_changed)) |_| {
|
|
return error.NondeterministicMemoryUsage;
|
|
} else |err| switch (err) {
|
|
error.OutOfMemory => {
|
|
if (failing_allocator.allocated_bytes != failing_allocator.freed_bytes) {
|
|
warn(
|
|
"\nfail_index: {}/{}\nallocated bytes: {}\nfreed bytes: {}\nallocations: {}\ndeallocations: {}\n",
|
|
fail_index,
|
|
needed_alloc_count,
|
|
failing_allocator.allocated_bytes,
|
|
failing_allocator.freed_bytes,
|
|
failing_allocator.index,
|
|
failing_allocator.deallocations,
|
|
);
|
|
return error.MemoryLeakDetected;
|
|
}
|
|
},
|
|
error.ParseError => @panic("test failed"),
|
|
else => @panic("test failed"),
|
|
}
|
|
}
|
|
}
|
|
|
|
fn testCanonical(source: []const u8) !void {
|
|
return testTransform(source, source);
|
|
}
|