mirror of
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5619ce2406
Conflicts:
* doc/langref.html.in
* lib/std/enums.zig
* lib/std/fmt.zig
* lib/std/hash/auto_hash.zig
* lib/std/math.zig
* lib/std/mem.zig
* lib/std/meta.zig
* test/behavior/alignof.zig
* test/behavior/bitcast.zig
* test/behavior/bugs/1421.zig
* test/behavior/cast.zig
* test/behavior/ptrcast.zig
* test/behavior/type_info.zig
* test/behavior/vector.zig
Master branch added `try` to a bunch of testing function calls, and some
lines also had changed how to refer to the native architecture and other
`@import("builtin")` stuff.
37 lines
787 B
Zig
37 lines
787 B
Zig
const std = @import("std");
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const expect = std.testing.expect;
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test "truncate u0 to larger integer allowed and has comptime known result" {
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var x: u0 = 0;
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const y = @truncate(u8, x);
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comptime try expect(y == 0);
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}
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test "truncate.u0.literal" {
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var z = @truncate(u0, 0);
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try expect(z == 0);
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}
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test "truncate.u0.const" {
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const c0: usize = 0;
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var z = @truncate(u0, c0);
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try expect(z == 0);
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}
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test "truncate.u0.var" {
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var d: u8 = 2;
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var z = @truncate(u0, d);
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try expect(z == 0);
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}
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test "truncate sign mismatch but comptime known so it works anyway" {
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const x: u32 = 10;
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var result = @truncate(i8, x);
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try expect(result == 10);
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}
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test "truncate on comptime integer" {
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var x = @truncate(u16, 9999);
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try expect(x == 9999);
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}
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