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27 lines
1004 B
Zig
27 lines
1004 B
Zig
const expect = @import("std").testing.expect;
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const builtin = @import("builtin");
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test "@ptrCast from const to nullable" {
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if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
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const c: u8 = 4;
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var x: ?*const u8 = @ptrCast(?*const u8, &c);
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try expect(x.?.* == 4);
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}
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test "@ptrCast from var in empty struct to nullable" {
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if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
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if (builtin.zig_backend == .stage2_c) return error.SkipZigTest;
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const container = struct {
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var c: u8 = 4;
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};
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var x: ?*const u8 = @ptrCast(?*const u8, &container.c);
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try expect(x.?.* == 4);
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}
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