a7de02e052
* implement `@expect` * add docs * add a second arg for expected bool * fix typo * move `expect` to use BinOp * update to newer langref format
38 lines
772 B
Zig
38 lines
772 B
Zig
const std = @import("std");
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const expect = std.testing.expect;
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test "@expect if-statement" {
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const x: u32 = 10;
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_ = &x;
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if (@expect(x == 20, true)) {}
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}
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test "@expect runtime if-statement" {
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var x: u32 = 10;
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var y: u32 = 20;
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_ = &x;
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_ = &y;
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if (@expect(x != y, false)) {}
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}
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test "@expect bool input/output" {
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const b: bool = true;
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try expect(@TypeOf(@expect(b, false)) == bool);
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}
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test "@expect bool is transitive" {
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const a: bool = true;
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const b = @expect(a, false);
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const c = @intFromBool(!b);
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std.mem.doNotOptimizeAway(c);
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try expect(c == 0);
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try expect(@expect(c != 0, false) == false);
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}
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test "@expect at comptime" {
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const a: bool = true;
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comptime try expect(@expect(a, true) == true);
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}
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