588 lines
20 KiB
Zig
588 lines
20 KiB
Zig
const std = @import("std");
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const debug = std.debug;
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const build = std.build;
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const os = std.os;
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const StdIo = os.ChildProcess.StdIo;
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const Term = os.ChildProcess.Term;
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const Buffer0 = std.cstr.Buffer0;
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const io = std.io;
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const mem = std.mem;
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const fmt = std.fmt;
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const List = std.list.List;
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error TestFailed;
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pub fn addCompareOutputTests(b: &build.Builder, test_filter: ?[]const u8) -> &build.Step {
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const cases = %%b.allocator.create(CompareOutputContext);
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*cases = CompareOutputContext {
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.b = b,
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.compare_output_tests = b.step("test-compare-output", "Run the compare output tests"),
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.test_index = 0,
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.test_filter = test_filter,
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};
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cases.addC("hello world with libc",
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\\const c = @cImport(@cInclude("stdio.h"));
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\\export fn main(argc: c_int, argv: &&u8) -> c_int {
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\\ _ = c.puts(c"Hello, world!");
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\\ return 0;
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\\}
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, "Hello, world!" ++ os.line_sep);
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cases.addCase({
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var tc = cases.create("multiple files with private function",
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\\use @import("std").io;
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\\use @import("foo.zig");
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\\
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\\pub fn main() -> %void {
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\\ privateFunction();
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\\ %%stdout.printf("OK 2\n");
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\\}
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\\
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\\fn privateFunction() {
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\\ printText();
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\\}
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, "OK 1\nOK 2\n");
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tc.addSourceFile("foo.zig",
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\\use @import("std").io;
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\\
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\\// purposefully conflicting function with main.zig
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\\// but it's private so it should be OK
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\\fn privateFunction() {
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\\ %%stdout.printf("OK 1\n");
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\\}
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\\
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\\pub fn printText() {
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\\ privateFunction();
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\\}
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);
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tc
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});
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cases.addCase({
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var tc = cases.create("import segregation",
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\\use @import("foo.zig");
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\\use @import("bar.zig");
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\\
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\\pub fn main() -> %void {
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\\ foo_function();
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\\ bar_function();
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\\}
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, "OK\nOK\n");
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tc.addSourceFile("foo.zig",
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\\use @import("std").io;
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\\pub fn foo_function() {
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\\ %%stdout.printf("OK\n");
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\\}
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);
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tc.addSourceFile("bar.zig",
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\\use @import("other.zig");
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\\use @import("std").io;
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\\
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\\pub fn bar_function() {
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\\ if (foo_function()) {
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\\ %%stdout.printf("OK\n");
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\\ }
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\\}
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);
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tc.addSourceFile("other.zig",
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\\pub fn foo_function() -> bool {
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\\ // this one conflicts with the one from foo
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\\ return true;
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\\}
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);
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tc
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});
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cases.addCase({
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var tc = cases.create("two files use import each other",
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\\use @import("a.zig");
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\\
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\\pub fn main() -> %void {
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\\ ok();
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\\}
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, "OK\n");
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tc.addSourceFile("a.zig",
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\\use @import("b.zig");
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\\const io = @import("std").io;
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\\
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\\pub const a_text = "OK\n";
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\\
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\\pub fn ok() {
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\\ %%io.stdout.printf(b_text);
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\\}
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);
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tc.addSourceFile("b.zig",
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\\use @import("a.zig");
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\\
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\\pub const b_text = a_text;
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);
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tc
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});
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cases.add("hello world without libc",
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\\const io = @import("std").io;
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\\
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\\pub fn main() -> %void {
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\\ %%io.stdout.printf("Hello, world!\n{d4} {x3} {c}\n", u32(12), u16(0x12), u8('a'));
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\\}
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, "Hello, world!\n0012 012 a\n");
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cases.addC("number literals",
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\\const c = @cImport(@cInclude("stdio.h"));
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\\
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\\export fn main(argc: c_int, argv: &&u8) -> c_int {
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\\ _ = c.printf(c"0: %llu\n",
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\\ u64(0));
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\\ _ = c.printf(c"320402575052271: %llu\n",
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\\ u64(320402575052271));
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\\ _ = c.printf(c"0x01236789abcdef: %llu\n",
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\\ u64(0x01236789abcdef));
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\\ _ = c.printf(c"0xffffffffffffffff: %llu\n",
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\\ u64(0xffffffffffffffff));
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\\ _ = c.printf(c"0x000000ffffffffffffffff: %llu\n",
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\\ u64(0x000000ffffffffffffffff));
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\\ _ = c.printf(c"0o1777777777777777777777: %llu\n",
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\\ u64(0o1777777777777777777777));
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\\ _ = c.printf(c"0o0000001777777777777777777777: %llu\n",
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\\ u64(0o0000001777777777777777777777));
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\\ _ = c.printf(c"0b1111111111111111111111111111111111111111111111111111111111111111: %llu\n",
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\\ u64(0b1111111111111111111111111111111111111111111111111111111111111111));
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\\ _ = c.printf(c"0b0000001111111111111111111111111111111111111111111111111111111111111111: %llu\n",
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\\ u64(0b0000001111111111111111111111111111111111111111111111111111111111111111));
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\\
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\\ _ = c.printf(c"\n");
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\\
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\\ _ = c.printf(c"0.0: %a\n",
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\\ f64(0.0));
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\\ _ = c.printf(c"0e0: %a\n",
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\\ f64(0e0));
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\\ _ = c.printf(c"0.0e0: %a\n",
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\\ f64(0.0e0));
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\\ _ = c.printf(c"000000000000000000000000000000000000000000000000000000000.0e0: %a\n",
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\\ f64(000000000000000000000000000000000000000000000000000000000.0e0));
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\\ _ = c.printf(c"0.000000000000000000000000000000000000000000000000000000000e0: %a\n",
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\\ f64(0.000000000000000000000000000000000000000000000000000000000e0));
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\\ _ = c.printf(c"0.0e000000000000000000000000000000000000000000000000000000000: %a\n",
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\\ f64(0.0e000000000000000000000000000000000000000000000000000000000));
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\\ _ = c.printf(c"1.0: %a\n",
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\\ f64(1.0));
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\\ _ = c.printf(c"10.0: %a\n",
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\\ f64(10.0));
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\\ _ = c.printf(c"10.5: %a\n",
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\\ f64(10.5));
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\\ _ = c.printf(c"10.5e5: %a\n",
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\\ f64(10.5e5));
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\\ _ = c.printf(c"10.5e+5: %a\n",
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\\ f64(10.5e+5));
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\\ _ = c.printf(c"50.0e-2: %a\n",
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\\ f64(50.0e-2));
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\\ _ = c.printf(c"50e-2: %a\n",
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\\ f64(50e-2));
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\\
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\\ _ = c.printf(c"\n");
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\\
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\\ _ = c.printf(c"0x1.0: %a\n",
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\\ f64(0x1.0));
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\\ _ = c.printf(c"0x10.0: %a\n",
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\\ f64(0x10.0));
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\\ _ = c.printf(c"0x100.0: %a\n",
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\\ f64(0x100.0));
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\\ _ = c.printf(c"0x103.0: %a\n",
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\\ f64(0x103.0));
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\\ _ = c.printf(c"0x103.7: %a\n",
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\\ f64(0x103.7));
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\\ _ = c.printf(c"0x103.70: %a\n",
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\\ f64(0x103.70));
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\\ _ = c.printf(c"0x103.70p4: %a\n",
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\\ f64(0x103.70p4));
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\\ _ = c.printf(c"0x103.70p5: %a\n",
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\\ f64(0x103.70p5));
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\\ _ = c.printf(c"0x103.70p+5: %a\n",
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\\ f64(0x103.70p+5));
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\\ _ = c.printf(c"0x103.70p-5: %a\n",
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\\ f64(0x103.70p-5));
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\\
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\\ _ = c.printf(c"\n");
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\\
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\\ _ = c.printf(c"0b10100.00010e0: %a\n",
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\\ f64(0b10100.00010e0));
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\\ _ = c.printf(c"0o10700.00010e0: %a\n",
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\\ f64(0o10700.00010e0));
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\\
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\\ return 0;
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\\}
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,
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\\0: 0
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\\320402575052271: 320402575052271
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\\0x01236789abcdef: 320402575052271
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\\0xffffffffffffffff: 18446744073709551615
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\\0x000000ffffffffffffffff: 18446744073709551615
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\\0o1777777777777777777777: 18446744073709551615
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\\0o0000001777777777777777777777: 18446744073709551615
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\\0b1111111111111111111111111111111111111111111111111111111111111111: 18446744073709551615
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\\0b0000001111111111111111111111111111111111111111111111111111111111111111: 18446744073709551615
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\\
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\\0.0: 0x0p+0
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\\0e0: 0x0p+0
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\\0.0e0: 0x0p+0
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\\000000000000000000000000000000000000000000000000000000000.0e0: 0x0p+0
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\\0.000000000000000000000000000000000000000000000000000000000e0: 0x0p+0
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\\0.0e000000000000000000000000000000000000000000000000000000000: 0x0p+0
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\\1.0: 0x1p+0
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\\10.0: 0x1.4p+3
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\\10.5: 0x1.5p+3
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\\10.5e5: 0x1.0059p+20
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\\10.5e+5: 0x1.0059p+20
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\\50.0e-2: 0x1p-1
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\\50e-2: 0x1p-1
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\\
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\\0x1.0: 0x1p+0
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\\0x10.0: 0x1p+4
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\\0x100.0: 0x1p+8
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\\0x103.0: 0x1.03p+8
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\\0x103.7: 0x1.037p+8
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\\0x103.70: 0x1.037p+8
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\\0x103.70p4: 0x1.037p+12
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\\0x103.70p5: 0x1.037p+13
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\\0x103.70p+5: 0x1.037p+13
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\\0x103.70p-5: 0x1.037p+3
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\\
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\\0b10100.00010e0: 0x1.41p+4
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\\0o10700.00010e0: 0x1.1c0001p+12
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\\
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);
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cases.add("order-independent declarations",
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\\const io = @import("std").io;
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\\const z = io.stdin_fileno;
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\\const x : @typeOf(y) = 1234;
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\\const y : u16 = 5678;
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\\pub fn main() -> %void {
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\\ var x_local : i32 = print_ok(x);
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\\}
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\\fn print_ok(val: @typeOf(x)) -> @typeOf(foo) {
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\\ %%io.stdout.printf("OK\n");
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\\ return 0;
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\\}
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\\const foo : i32 = 0;
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, "OK\n");
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cases.addC("expose function pointer to C land",
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\\const c = @cImport(@cInclude("stdlib.h"));
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\\
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\\export fn compare_fn(a: ?&const c_void, b: ?&const c_void) -> c_int {
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\\ const a_int = @ptrcast(&i32, a ?? unreachable);
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\\ const b_int = @ptrcast(&i32, b ?? unreachable);
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\\ if (*a_int < *b_int) {
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\\ -1
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\\ } else if (*a_int > *b_int) {
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\\ 1
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\\ } else {
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\\ c_int(0)
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\\ }
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\\}
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\\
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\\export fn main() -> c_int {
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\\ var array = []u32 { 1, 7, 3, 2, 0, 9, 4, 8, 6, 5 };
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\\
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\\ c.qsort(@ptrcast(&c_void, &array[0]), c_ulong(array.len), @sizeOf(i32), compare_fn);
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\\
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\\ for (array) |item, i| {
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\\ if (item != i) {
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\\ c.abort();
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\\ }
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\\ }
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\\
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\\ return 0;
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\\}
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, "");
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cases.addC("casting between float and integer types",
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\\const c = @cImport(@cInclude("stdio.h"));
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\\export fn main(argc: c_int, argv: &&u8) -> c_int {
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\\ const small: f32 = 3.25;
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\\ const x: f64 = small;
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\\ const y = i32(x);
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\\ const z = f64(y);
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\\ _ = c.printf(c"%.2f\n%d\n%.2f\n%.2f\n", x, y, z, f64(-0.4));
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\\ return 0;
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\\}
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, "3.25\n3\n3.00\n-0.40\n");
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cases.add("same named methods in incomplete struct",
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\\const io = @import("std").io;
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\\
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\\const Foo = struct {
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\\ field1: Bar,
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\\
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\\ fn method(a: &const Foo) -> bool { true }
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\\};
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\\
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\\const Bar = struct {
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\\ field2: i32,
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\\
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\\ fn method(b: &const Bar) -> bool { true }
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\\};
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\\
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\\pub fn main() -> %void {
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\\ const bar = Bar {.field2 = 13,};
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\\ const foo = Foo {.field1 = bar,};
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\\ if (!foo.method()) {
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\\ %%io.stdout.printf("BAD\n");
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\\ }
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\\ if (!bar.method()) {
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\\ %%io.stdout.printf("BAD\n");
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\\ }
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\\ %%io.stdout.printf("OK\n");
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\\}
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, "OK\n");
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cases.add("defer with only fallthrough",
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\\const io = @import("std").io;
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\\pub fn main() -> %void {
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\\ %%io.stdout.printf("before\n");
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\\ defer %%io.stdout.printf("defer1\n");
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\\ defer %%io.stdout.printf("defer2\n");
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\\ defer %%io.stdout.printf("defer3\n");
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\\ %%io.stdout.printf("after\n");
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\\}
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, "before\nafter\ndefer3\ndefer2\ndefer1\n");
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cases.add("defer with return",
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\\const io = @import("std").io;
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\\const os = @import("std").os;
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\\pub fn main() -> %void {
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\\ %%io.stdout.printf("before\n");
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\\ defer %%io.stdout.printf("defer1\n");
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\\ defer %%io.stdout.printf("defer2\n");
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\\ if (os.args.count() == 1) return;
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\\ defer %%io.stdout.printf("defer3\n");
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\\ %%io.stdout.printf("after\n");
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\\}
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, "before\ndefer2\ndefer1\n");
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cases.add("%defer and it fails",
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\\const io = @import("std").io;
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\\pub fn main() -> %void {
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\\ do_test() %% return;
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\\}
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\\fn do_test() -> %void {
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\\ %%io.stdout.printf("before\n");
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\\ defer %%io.stdout.printf("defer1\n");
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\\ %defer %%io.stdout.printf("deferErr\n");
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\\ %return its_gonna_fail();
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\\ defer %%io.stdout.printf("defer3\n");
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\\ %%io.stdout.printf("after\n");
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\\}
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\\error IToldYouItWouldFail;
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\\fn its_gonna_fail() -> %void {
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\\ return error.IToldYouItWouldFail;
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\\}
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, "before\ndeferErr\ndefer1\n");
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cases.add("%defer and it passes",
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\\const io = @import("std").io;
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\\pub fn main() -> %void {
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\\ do_test() %% return;
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\\}
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\\fn do_test() -> %void {
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\\ %%io.stdout.printf("before\n");
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\\ defer %%io.stdout.printf("defer1\n");
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\\ %defer %%io.stdout.printf("deferErr\n");
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\\ %return its_gonna_pass();
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\\ defer %%io.stdout.printf("defer3\n");
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\\ %%io.stdout.printf("after\n");
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\\}
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\\fn its_gonna_pass() -> %void { }
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, "before\nafter\ndefer3\ndefer1\n");
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cases.addCase({
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var tc = cases.create("@embedFile",
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\\const foo_txt = @embedFile("foo.txt");
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\\const io = @import("std").io;
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\\
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\\pub fn main() -> %void {
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\\ %%io.stdout.printf(foo_txt);
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\\}
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, "1234\nabcd\n");
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tc.addSourceFile("foo.txt", "1234\nabcd\n");
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tc
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});
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return cases.compare_output_tests;
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}
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const CompareOutputContext = struct {
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b: &build.Builder,
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compare_output_tests: &build.Step,
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test_index: usize,
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test_filter: ?[]const u8,
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const TestCase = struct {
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name: []const u8,
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sources: List(SourceFile),
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expected_output: []const u8,
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link_libc: bool,
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const SourceFile = struct {
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filename: []const u8,
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source: []const u8,
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};
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pub fn addSourceFile(self: &TestCase, filename: []const u8, source: []const u8) {
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%%self.sources.append(SourceFile {
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.filename = filename,
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.source = source,
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});
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}
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};
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pub fn create(self: &CompareOutputContext, name: []const u8, source: []const u8,
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expected_output: []const u8) -> TestCase
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{
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var tc = TestCase {
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.name = name,
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.sources = List(TestCase.SourceFile).init(self.b.allocator),
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.expected_output = expected_output,
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.link_libc = false,
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};
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tc.addSourceFile("source.zig", source);
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return tc;
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}
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pub fn addC(self: &CompareOutputContext, name: []const u8, source: []const u8, expected_output: []const u8) {
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var tc = self.create(name, source, expected_output);
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tc.link_libc = true;
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self.addCase(tc);
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}
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pub fn add(self: &CompareOutputContext, name: []const u8, source: []const u8, expected_output: []const u8) {
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const tc = self.create(name, source, expected_output);
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self.addCase(tc);
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}
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pub fn addCase(self: &CompareOutputContext, case: &const TestCase) {
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const b = self.b;
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const root_src = %%os.path.join(b.allocator, "test_artifacts", case.sources.items[0].filename);
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const exe_path = %%os.path.join(b.allocator, "test_artifacts", "test");
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for ([]bool{false, true}) |release| {
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const annotated_case_name = %%fmt.allocPrint(self.b.allocator, "{} ({})",
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case.name, if (release) "release" else "debug");
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if (const filter ?= self.test_filter) {
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if (mem.indexOf(u8, annotated_case_name, filter) == null)
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continue;
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|
}
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|
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const exe = b.addExecutable("test", root_src);
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exe.setOutputPath(exe_path);
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exe.setRelease(release);
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if (case.link_libc) {
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|
exe.linkLibrary("c");
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}
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|
|
|
for (case.sources.toSliceConst()) |src_file| {
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|
const expanded_src_path = %%os.path.join(b.allocator, "test_artifacts", src_file.filename);
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|
const write_src = b.addWriteFile(expanded_src_path, src_file.source);
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exe.step.dependOn(&write_src.step);
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|
}
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|
|
|
const run_and_cmp_output = RunCompareOutputStep.create(self, exe_path, annotated_case_name,
|
|
case.expected_output);
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|
run_and_cmp_output.step.dependOn(&exe.step);
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|
|
|
self.compare_output_tests.dependOn(&run_and_cmp_output.step);
|
|
}
|
|
}
|
|
};
|
|
|
|
const RunCompareOutputStep = struct {
|
|
step: build.Step,
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|
context: &CompareOutputContext,
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|
exe_path: []const u8,
|
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name: []const u8,
|
|
expected_output: []const u8,
|
|
test_index: usize,
|
|
|
|
pub fn create(context: &CompareOutputContext, exe_path: []const u8,
|
|
name: []const u8, expected_output: []const u8) -> &RunCompareOutputStep
|
|
{
|
|
const allocator = context.b.allocator;
|
|
const ptr = %%allocator.create(RunCompareOutputStep);
|
|
*ptr = RunCompareOutputStep {
|
|
.context = context,
|
|
.exe_path = exe_path,
|
|
.name = name,
|
|
.expected_output = expected_output,
|
|
.test_index = context.test_index,
|
|
.step = build.Step.init("RunCompareOutput", allocator, make),
|
|
};
|
|
context.test_index += 1;
|
|
return ptr;
|
|
}
|
|
|
|
fn make(step: &build.Step) -> %void {
|
|
const self = @fieldParentPtr(RunCompareOutputStep, "step", step);
|
|
const b = self.context.b;
|
|
|
|
const full_exe_path = b.pathFromRoot(self.exe_path);
|
|
|
|
%%io.stderr.printf("Test {}/{} {}...", self.test_index+1, self.context.test_index, self.name);
|
|
|
|
var child = os.ChildProcess.spawn(full_exe_path, [][]u8{}, &b.env_map,
|
|
StdIo.Ignore, StdIo.Pipe, StdIo.Pipe, b.allocator) %% |err|
|
|
{
|
|
debug.panic("Unable to spawn {}: {}\n", full_exe_path, @errorName(err));
|
|
};
|
|
|
|
const term = child.wait() %% |err| {
|
|
debug.panic("Unable to spawn {}: {}\n", full_exe_path, @errorName(err));
|
|
};
|
|
switch (term) {
|
|
Term.Clean => |code| {
|
|
if (code != 0) {
|
|
%%io.stderr.printf("Process {} exited with error code {}\n", full_exe_path, code);
|
|
return error.TestFailed;
|
|
}
|
|
},
|
|
else => {
|
|
%%io.stderr.printf("Process {} terminated unexpectedly\n", full_exe_path);
|
|
return error.TestFailed;
|
|
},
|
|
};
|
|
|
|
var stdout = %%Buffer0.initEmpty(b.allocator);
|
|
var stderr = %%Buffer0.initEmpty(b.allocator);
|
|
|
|
%%(??child.stdout).readAll(&stdout);
|
|
%%(??child.stderr).readAll(&stderr);
|
|
|
|
if (!mem.eql(u8, self.expected_output, stdout.toSliceConst())) {
|
|
%%io.stderr.printf(
|
|
\\
|
|
\\========= Expected this output: =========
|
|
\\{}
|
|
\\================================================
|
|
\\{}
|
|
\\
|
|
, self.expected_output, stdout.toSliceConst());
|
|
return error.TestFailed;
|
|
}
|
|
%%io.stderr.printf("OK\n");
|
|
}
|
|
};
|
|
|