fd7e69a2c0
* Translate OpaqueValueExpr * Translate BinaryConditionalOperator * Fix translation of boolean->int casts * Reoder some tokens to avoid rendering errors
118 lines
3.5 KiB
Zig
118 lines
3.5 KiB
Zig
const std = @import("std");
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const tests = @import("tests.zig");
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const nl = std.cstr.line_sep;
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pub fn addCases(cases: *tests.RunTranslatedCContext) void {
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cases.add("ternary operator",
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\\#include <assert.h>
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\\static int cnt = 0;
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\\int foo() { cnt++; return 42; }
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\\int main(int argc, char **argv) {
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\\ short q = 3;
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\\ signed char z0 = q?:1;
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\\ assert(z0 == 3);
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\\ int z1 = 3?:1;
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\\ assert(z1 == 3);
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\\ int z2 = foo()?:-1;
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\\ assert(z2 == 42);
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\\ assert(cnt == 1);
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\\ return 0;
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\\}
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, "");
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cases.add("boolean values and expressions",
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\\#include <stdlib.h>
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\\static const _Bool false_val = 0;
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\\static const _Bool true_val = 1;
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\\void foo(int x, int y) {
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\\ _Bool r = x < y;
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\\ if (!r) abort();
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\\ _Bool self = foo;
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\\ if (self == false_val) abort();
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\\ if (((r) ? 'a' : 'b') != 'a') abort();
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\\}
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\\int main(int argc, char **argv) {
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\\ foo(2, 5);
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\\ if (false_val == true_val) abort();
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\\ return 0;
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\\}
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, "");
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cases.add("hello world",
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\\#define _NO_CRT_STDIO_INLINE 1
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\\#include <stdio.h>
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\\int main(int argc, char **argv) {
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\\ printf("hello, world!\n");
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\\ return 0;
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\\}
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, "hello, world!" ++ nl);
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cases.add("anon struct init",
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\\#include <stdlib.h>
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\\struct {int a; int b;} x = {1, 2};
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\\int main(int argc, char **argv) {
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\\ x.a += 2;
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\\ x.b += 1;
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\\ if (x.a != 3) abort();
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\\ if (x.b != 3) abort();
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\\ return 0;
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\\}
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, "");
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cases.add("casting away const and volatile",
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\\void foo(int *a) {}
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\\void bar(const int *a) {
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\\ foo((int *)a);
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\\}
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\\void baz(volatile int *a) {
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\\ foo((int *)a);
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\\}
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\\int main(int argc, char **argv) {
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\\ int a = 0;
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\\ bar((const int *)&a);
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\\ baz((volatile int *)&a);
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\\ return 0;
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\\}
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, "");
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cases.add("anonymous struct & unions",
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\\#include <stdlib.h>
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\\#include <stdint.h>
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\\static struct { struct { uint16_t x, y; }; } x = { 1 };
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\\static struct { union { uint32_t x; uint8_t y; }; } y = { 0x55AA55AA };
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\\int main(int argc, char **argv) {
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\\ if (x.x != 1) abort();
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\\ if (x.y != 0) abort();
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\\ if (y.x != 0x55AA55AA) abort();
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\\ if (y.y != 0xAA) abort();
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\\ return 0;
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\\}
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, "");
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cases.add("array to pointer decay",
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\\#include <stdlib.h>
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\\int main(int argc, char **argv) {
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\\ char data[3] = {'a','b','c'};
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\\ if (2[data] != data[2]) abort();
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\\ if ("abc"[1] != data[1]) abort();
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\\ char *as_ptr = data;
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\\ if (2[as_ptr] != as_ptr[2]) abort();
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\\ if ("abc"[1] != as_ptr[1]) abort();
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\\ return 0;
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\\}
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, "");
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cases.add("struct initializer - packed",
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\\#define _NO_CRT_STDIO_INLINE 1
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\\#include <stdint.h>
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\\#include <stdlib.h>
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\\struct s {uint8_t x,y;
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\\ uint32_t z;} __attribute__((packed)) s0 = {1, 2};
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\\int main() {
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\\ /* sizeof nor offsetof currently supported */
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\\ if (((intptr_t)&s0.z - (intptr_t)&s0.x) != 2) abort();
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\\ return 0;
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\\}
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, "");
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}
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