mirror of
https://codeberg.org/ziglang/zig.git
synced 2025-12-06 13:54:21 +00:00
221 lines
9.2 KiB
Zig
221 lines
9.2 KiB
Zig
const std = @import("std");
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const os = std.os;
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const tests = @import("tests.zig");
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pub fn addCases(cases: *tests.CompareOutputContext) void {
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cases.addC("hello world with libc",
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\\const c = @cImport({
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\\ // See https://github.com/ziglang/zig/issues/515
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\\ @cDefine("_NO_CRT_STDIO_INLINE", "1");
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\\ @cInclude("stdio.h");
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\\});
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\\pub export fn main(argc: c_int, argv: [*][*]u8) c_int {
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\\ _ = argc;
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\\ _ = argv;
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\\ _ = c.puts("Hello, world!");
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\\ return 0;
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\\}
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, "Hello, world!" ++ if (@import("builtin").os.tag == .windows) "\r\n" else "\n");
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cases.addC("number literals",
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\\const std = @import("std");
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\\const builtin = @import("builtin");
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\\const is_windows = builtin.os.tag == .windows;
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\\const c = @cImport({
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\\ if (is_windows) {
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\\ // See https://github.com/ziglang/zig/issues/515
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\\ @cDefine("_NO_CRT_STDIO_INLINE", "1");
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\\ @cInclude("io.h");
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\\ @cInclude("fcntl.h");
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\\ }
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\\ @cInclude("stdio.h");
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\\});
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\\
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\\pub export fn main(argc: c_int, argv: [*][*]u8) c_int {
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\\ _ = argc;
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\\ _ = argv;
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\\ if (is_windows) {
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\\ // we want actual \n, not \r\n
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\\ _ = c._setmode(1, c._O_BINARY);
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\\ }
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\\ _ = c.printf("0: %llu\n",
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\\ @as(u64, 0));
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\\ _ = c.printf("320402575052271: %llu\n",
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\\ @as(u64, 320402575052271));
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\\ _ = c.printf("0x01236789abcdef: %llu\n",
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\\ @as(u64, 0x01236789abcdef));
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\\ _ = c.printf("0xffffffffffffffff: %llu\n",
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\\ @as(u64, 0xffffffffffffffff));
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\\ _ = c.printf("0x000000ffffffffffffffff: %llu\n",
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\\ @as(u64, 0x000000ffffffffffffffff));
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\\ _ = c.printf("0o1777777777777777777777: %llu\n",
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\\ @as(u64, 0o1777777777777777777777));
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\\ _ = c.printf("0o0000001777777777777777777777: %llu\n",
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\\ @as(u64, 0o0000001777777777777777777777));
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\\ _ = c.printf("0b1111111111111111111111111111111111111111111111111111111111111111: %llu\n",
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\\ @as(u64, 0b1111111111111111111111111111111111111111111111111111111111111111));
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\\ _ = c.printf("0b0000001111111111111111111111111111111111111111111111111111111111111111: %llu\n",
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\\ @as(u64, 0b0000001111111111111111111111111111111111111111111111111111111111111111));
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\\
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\\ _ = c.printf("\n");
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\\
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\\ _ = c.printf("0.0: %.013a\n",
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\\ @as(f64, 0.0));
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\\ _ = c.printf("0e0: %.013a\n",
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\\ @as(f64, 0e0));
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\\ _ = c.printf("0.0e0: %.013a\n",
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\\ @as(f64, 0.0e0));
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\\ _ = c.printf("000000000000000000000000000000000000000000000000000000000.0e0: %.013a\n",
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\\ @as(f64, 0.0e0));
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\\ _ = c.printf("0.000000000000000000000000000000000000000000000000000000000e0: %.013a\n",
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\\ @as(f64, 0.000000000000000000000000000000000000000000000000000000000e0));
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\\ _ = c.printf("0.0e000000000000000000000000000000000000000000000000000000000: %.013a\n",
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\\ @as(f64, 0.0e000000000000000000000000000000000000000000000000000000000));
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\\ _ = c.printf("1.0: %.013a\n",
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\\ @as(f64, 1.0));
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\\ _ = c.printf("10.0: %.013a\n",
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\\ @as(f64, 10.0));
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\\ _ = c.printf("10.5: %.013a\n",
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\\ @as(f64, 10.5));
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\\ _ = c.printf("10.5e5: %.013a\n",
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\\ @as(f64, 10.5e5));
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\\ _ = c.printf("10.5e+5: %.013a\n",
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\\ @as(f64, 10.5e+5));
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\\ _ = c.printf("50.0e-2: %.013a\n",
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\\ @as(f64, 50.0e-2));
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\\ _ = c.printf("50e-2: %.013a\n",
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\\ @as(f64, 50e-2));
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\\
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\\ _ = c.printf("\n");
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\\
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\\ _ = c.printf("0x1.0: %.013a\n",
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\\ @as(f64, 0x1.0));
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\\ _ = c.printf("0x10.0: %.013a\n",
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\\ @as(f64, 0x10.0));
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\\ _ = c.printf("0x100.0: %.013a\n",
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\\ @as(f64, 0x100.0));
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\\ _ = c.printf("0x103.0: %.013a\n",
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\\ @as(f64, 0x103.0));
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\\ _ = c.printf("0x103.7: %.013a\n",
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\\ @as(f64, 0x103.7));
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\\ _ = c.printf("0x103.70: %.013a\n",
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\\ @as(f64, 0x103.70));
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\\ _ = c.printf("0x103.70p4: %.013a\n",
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\\ @as(f64, 0x103.70p4));
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\\ _ = c.printf("0x103.70p5: %.013a\n",
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\\ @as(f64, 0x103.70p5));
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\\ _ = c.printf("0x103.70p+5: %.013a\n",
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\\ @as(f64, 0x103.70p+5));
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\\ _ = c.printf("0x103.70p-5: %.013a\n",
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\\ @as(f64, 0x103.70p-5));
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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: 0x0.0000000000000p+0
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\\0e0: 0x0.0000000000000p+0
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\\0.0e0: 0x0.0000000000000p+0
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\\000000000000000000000000000000000000000000000000000000000.0e0: 0x0.0000000000000p+0
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\\0.000000000000000000000000000000000000000000000000000000000e0: 0x0.0000000000000p+0
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\\0.0e000000000000000000000000000000000000000000000000000000000: 0x0.0000000000000p+0
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\\1.0: 0x1.0000000000000p+0
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\\10.0: 0x1.4000000000000p+3
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\\10.5: 0x1.5000000000000p+3
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\\10.5e5: 0x1.0059000000000p+20
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\\10.5e+5: 0x1.0059000000000p+20
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\\50.0e-2: 0x1.0000000000000p-1
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\\50e-2: 0x1.0000000000000p-1
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\\
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\\0x1.0: 0x1.0000000000000p+0
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\\0x10.0: 0x1.0000000000000p+4
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\\0x100.0: 0x1.0000000000000p+8
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\\0x103.0: 0x1.0300000000000p+8
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\\0x103.7: 0x1.0370000000000p+8
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\\0x103.70: 0x1.0370000000000p+8
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\\0x103.70p4: 0x1.0370000000000p+12
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\\0x103.70p5: 0x1.0370000000000p+13
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\\0x103.70p+5: 0x1.0370000000000p+13
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\\0x103.70p-5: 0x1.0370000000000p+3
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\\
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);
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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 anyopaque, b: ?*const anyopaque) c_int {
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\\ const a_int: *const i32 = @ptrCast(@alignCast(a));
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\\ const b_int: *const i32 = @ptrCast(@alignCast(b));
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\\ if (a_int.* < b_int.*) {
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\\ return -1;
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\\ } else if (a_int.* > b_int.*) {
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\\ return 1;
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\\ } else {
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\\ return 0;
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\\ }
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\\}
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\\
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\\pub 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(&array), @intCast(array.len), @sizeOf(i32), compare_fn);
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\\
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\\ for (array, 0..) |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 std = @import("std");
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\\const builtin = @import("builtin");
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\\const is_windows = builtin.os.tag == .windows;
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\\const c = @cImport({
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\\ if (is_windows) {
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\\ // See https://github.com/ziglang/zig/issues/515
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\\ @cDefine("_NO_CRT_STDIO_INLINE", "1");
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\\ @cInclude("io.h");
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\\ @cInclude("fcntl.h");
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\\ }
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\\ @cInclude("stdio.h");
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\\});
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\\
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\\pub export fn main(argc: c_int, argv: [*][*]u8) c_int {
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\\ _ = argc;
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\\ _ = argv;
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\\ if (is_windows) {
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\\ // we want actual \n, not \r\n
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\\ _ = c._setmode(1, c._O_BINARY);
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\\ }
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\\ const small: f32 = 3.25;
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\\ const x: f64 = small;
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\\ const y: i32 = @intFromFloat(x);
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\\ const z: f64 = @floatFromInt(y);
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\\ _ = c.printf("%.2f\n%d\n%.2f\n%.2f\n", x, y, z, @as(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("valid carriage return example", "const std = @import(\"std\");\r\n" ++ // Testing CRLF line endings are valid
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"\r\n" ++
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"pub \r fn main() void {\r\n" ++ // Testing isolated carriage return as whitespace is valid
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" var file_writer = std.fs.File.stdout().writerStreaming(&.{});\r\n" ++
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" const stdout = &file_writer.interface;\r\n" ++
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" stdout.print(\\\\A Multiline\r\n" ++ // testing CRLF at end of multiline string line is valid and normalises to \n in the output
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" \\\\String\r\n" ++
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" , .{}) catch unreachable;\r\n" ++
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"}\r\n", "A Multiline\nString");
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}
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