mirror of
https://github.com/ziglang/zig.git
synced 2024-11-30 09:02:32 +00:00
35 lines
988 B
Zig
35 lines
988 B
Zig
const expect = @import("std").testing.expect;
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var foo: u8 align(4) = 100;
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test "global variable alignment" {
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try expect(@typeInfo(@TypeOf(&foo)).Pointer.alignment == 4);
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try expect(@TypeOf(&foo) == *align(4) u8);
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const as_pointer_to_array: *align(4) [1]u8 = &foo;
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const as_slice: []align(4) u8 = as_pointer_to_array;
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const as_unaligned_slice: []u8 = as_slice;
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try expect(as_unaligned_slice[0] == 100);
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}
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fn derp() align(@sizeOf(usize) * 2) i32 {
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return 1234;
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}
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fn noop1() align(1) void {}
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fn noop4() align(4) void {}
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test "function alignment" {
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try expect(derp() == 1234);
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try expect(@TypeOf(derp) == fn () i32);
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try expect(@TypeOf(&derp) == *align(@sizeOf(usize) * 2) const fn () i32);
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noop1();
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try expect(@TypeOf(noop1) == fn () void);
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try expect(@TypeOf(&noop1) == *align(1) const fn () void);
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noop4();
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try expect(@TypeOf(noop4) == fn () void);
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try expect(@TypeOf(&noop4) == *align(4) const fn () void);
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}
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// test
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