mirror of
https://github.com/ziglang/zig.git
synced 2025-12-06 06:13:07 +00:00
f1717777a2
I don't think these belong in std, at least not in their current form. If someone wants to add these back I'd like to review the patch before it lands. Reverts 629e2e784495dd8ac91493fa7bb11e1772698e42
505 lines
19 KiB
Zig
505 lines
19 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.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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\\ const stdout = io.getStdOut().writer();
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\\ stdout.print("Hello, world!\n{d:4} {x:3} {c}\n", .{@as(u32, 12), @as(u16, 0x12), @as(u8, 'a')}) catch unreachable;
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\\}
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, "Hello, world!\n 12 12 a\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.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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\\ _ = &x_local;
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\\}
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\\fn print_ok(val: @TypeOf(x)) @TypeOf(foo) {
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\\ _ = val;
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\\ const stdout = io.getStdOut().writer();
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\\ stdout.print("OK\n", .{}) catch unreachable;
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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 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("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 {
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\\ _ = a;
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\\ return true;
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\\ }
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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 {
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\\ _ = b;
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\\ return true;
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\\ }
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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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\\ const stdout = io.getStdOut().writer();
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\\ if (!foo.method()) {
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\\ stdout.print("BAD\n", .{}) catch unreachable;
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\\ }
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\\ if (!bar.method()) {
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\\ stdout.print("BAD\n", .{}) catch unreachable;
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\\ }
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\\ stdout.print("OK\n", .{}) catch unreachable;
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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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\\ const stdout = io.getStdOut().writer();
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\\ stdout.print("before\n", .{}) catch unreachable;
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\\ defer stdout.print("defer1\n", .{}) catch unreachable;
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\\ defer stdout.print("defer2\n", .{}) catch unreachable;
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\\ defer stdout.print("defer3\n", .{}) catch unreachable;
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\\ stdout.print("after\n", .{}) catch unreachable;
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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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\\ const stdout = io.getStdOut().writer();
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\\ stdout.print("before\n", .{}) catch unreachable;
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\\ defer stdout.print("defer1\n", .{}) catch unreachable;
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\\ defer stdout.print("defer2\n", .{}) catch unreachable;
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\\ var gpa: @import("std").heap.GeneralPurposeAllocator(.{}) = .init;
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\\ defer _ = gpa.deinit();
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\\ var arena = @import("std").heap.ArenaAllocator.init(gpa.allocator());
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\\ defer arena.deinit();
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\\ var args_it = @import("std").process.argsWithAllocator(arena.allocator()) catch unreachable;
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\\ if (args_it.skip() and !args_it.skip()) return;
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\\ defer stdout.print("defer3\n", .{}) catch unreachable;
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\\ stdout.print("after\n", .{}) catch unreachable;
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\\}
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, "before\ndefer2\ndefer1\n");
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cases.add("errdefer 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() catch return;
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\\}
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\\fn do_test() !void {
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\\ const stdout = io.getStdOut().writer();
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\\ stdout.print("before\n", .{}) catch unreachable;
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\\ defer stdout.print("defer1\n", .{}) catch unreachable;
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\\ errdefer stdout.print("deferErr\n", .{}) catch unreachable;
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\\ try its_gonna_fail();
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\\ defer stdout.print("defer3\n", .{}) catch unreachable;
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\\ stdout.print("after\n", .{}) catch unreachable;
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\\}
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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("errdefer 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() catch return;
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\\}
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\\fn do_test() !void {
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\\ const stdout = io.getStdOut().writer();
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\\ stdout.print("before\n", .{}) catch unreachable;
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\\ defer stdout.print("defer1\n", .{}) catch unreachable;
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\\ errdefer stdout.print("deferErr\n", .{}) catch unreachable;
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\\ try its_gonna_pass();
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\\ defer stdout.print("defer3\n", .{}) catch unreachable;
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\\ stdout.print("after\n", .{}) catch unreachable;
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\\}
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\\fn its_gonna_pass() anyerror!void { }
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, "before\nafter\ndefer3\ndefer1\n");
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cases.addCase(x: {
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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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\\ const stdout = io.getStdOut().writer();
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\\ stdout.print(foo_txt, .{}) catch unreachable;
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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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break :x tc;
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});
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cases.addCase(x: {
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var tc = cases.create("parsing args",
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\\const std = @import("std");
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\\const io = std.io;
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\\const os = std.os;
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\\
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\\pub fn main() !void {
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\\ var gpa: std.heap.GeneralPurposeAllocator(.{}) = .init;
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\\ defer _ = gpa.deinit();
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\\ var arena = std.heap.ArenaAllocator.init(gpa.allocator());
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\\ defer arena.deinit();
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\\ var args_it = try std.process.argsWithAllocator(arena.allocator());
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\\ const stdout = io.getStdOut().writer();
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\\ var index: usize = 0;
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\\ _ = args_it.skip();
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\\ while (args_it.next()) |arg| : (index += 1) {
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\\ try stdout.print("{}: {s}\n", .{index, arg});
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\\ }
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\\}
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,
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\\0: first arg
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\\1: 'a' 'b' \
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\\2: bare
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\\3: ba""re
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\\4: "
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\\5: last arg
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\\
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);
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tc.setCommandLineArgs(&[_][]const u8{
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"first arg",
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"'a' 'b' \\",
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"bare",
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"ba\"\"re",
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"\"",
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"last arg",
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});
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break :x tc;
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});
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cases.addCase(x: {
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var tc = cases.create("parsing args new API",
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\\const std = @import("std");
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\\const io = std.io;
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\\const os = std.os;
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\\
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\\pub fn main() !void {
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\\ var gpa: std.heap.GeneralPurposeAllocator(.{}) = .init;
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\\ defer _ = gpa.deinit();
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\\ var arena = std.heap.ArenaAllocator.init(gpa.allocator());
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\\ defer arena.deinit();
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\\ var args_it = try std.process.argsWithAllocator(arena.allocator());
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\\ const stdout = io.getStdOut().writer();
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\\ var index: usize = 0;
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\\ _ = args_it.skip();
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\\ while (args_it.next()) |arg| : (index += 1) {
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\\ try stdout.print("{}: {s}\n", .{index, arg});
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\\ }
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\\}
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,
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\\0: first arg
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\\1: 'a' 'b' \
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\\2: bare
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\\3: ba""re
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\\4: "
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\\5: last arg
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\\
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);
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tc.setCommandLineArgs(&[_][]const u8{
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"first arg",
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|
"'a' 'b' \\",
|
|
"bare",
|
|
"ba\"\"re",
|
|
"\"",
|
|
"last arg",
|
|
});
|
|
|
|
break :x tc;
|
|
});
|
|
|
|
// It is required to override the log function in order to print to stdout instead of stderr
|
|
cases.add("std.log per scope log level override",
|
|
\\const std = @import("std");
|
|
\\
|
|
\\pub const std_options: std.Options = .{
|
|
\\ .log_level = .debug,
|
|
\\
|
|
\\ .log_scope_levels = &.{
|
|
\\ .{ .scope = .a, .level = .warn },
|
|
\\ .{ .scope = .c, .level = .err },
|
|
\\ },
|
|
\\ .logFn = log,
|
|
\\};
|
|
\\
|
|
\\const loga = std.log.scoped(.a);
|
|
\\const logb = std.log.scoped(.b);
|
|
\\const logc = std.log.scoped(.c);
|
|
\\
|
|
\\pub fn main() !void {
|
|
\\ loga.debug("", .{});
|
|
\\ logb.debug("", .{});
|
|
\\ logc.debug("", .{});
|
|
\\
|
|
\\ loga.info("", .{});
|
|
\\ logb.info("", .{});
|
|
\\ logc.info("", .{});
|
|
\\
|
|
\\ loga.warn("", .{});
|
|
\\ logb.warn("", .{});
|
|
\\ logc.warn("", .{});
|
|
\\
|
|
\\ loga.err("", .{});
|
|
\\ logb.err("", .{});
|
|
\\ logc.err("", .{});
|
|
\\}
|
|
\\pub fn log(
|
|
\\ comptime level: std.log.Level,
|
|
\\ comptime scope: @TypeOf(.EnumLiteral),
|
|
\\ comptime format: []const u8,
|
|
\\ args: anytype,
|
|
\\) void {
|
|
\\ const level_txt = comptime level.asText();
|
|
\\ const prefix2 = if (scope == .default) ": " else "(" ++ @tagName(scope) ++ "):";
|
|
\\ const stdout = std.io.getStdOut().writer();
|
|
\\ nosuspend stdout.print(level_txt ++ prefix2 ++ format ++ "\n", args) catch return;
|
|
\\}
|
|
,
|
|
\\debug(b):
|
|
\\info(b):
|
|
\\warning(a):
|
|
\\warning(b):
|
|
\\error(a):
|
|
\\error(b):
|
|
\\error(c):
|
|
\\
|
|
);
|
|
|
|
cases.add("valid carriage return example", "const io = @import(\"std\").io;\r\n" ++ // Testing CRLF line endings are valid
|
|
"\r\n" ++
|
|
"pub \r fn main() void {\r\n" ++ // Testing isolated carriage return as whitespace is valid
|
|
" const stdout = io.getStdOut().writer();\r\n" ++
|
|
" stdout.print(\\\\A Multiline\r\n" ++ // testing CRLF at end of multiline string line is valid and normalises to \n in the output
|
|
" \\\\String\r\n" ++
|
|
" , .{}) catch unreachable;\r\n" ++
|
|
"}\r\n", "A Multiline\nString");
|
|
}
|