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stage2: add test for fixed issue

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Closes #11157
This commit is contained in:
Veikka Tuominen
2022-03-21 15:05:21 +02:00
parent a31fe0ff12
commit 59668fbe80
1 changed files with 30 additions and 20 deletions
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50
test/behavior/comptime_memory.zig
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@@ -5,10 +5,8 @@ const ptr_size = @sizeOf(usize);
test "type pun signed and unsigned as single pointer" {
if (builtin.zig_backend == .stage1) return error.SkipZigTest;
if (builtin.zig_backend != .stage1) {
// TODO https://github.com/ziglang/zig/issues/9646
return error.SkipZigTest;
}
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
comptime {
var x: u32 = 0;
@@ -20,10 +18,7 @@ test "type pun signed and unsigned as single pointer" {
test "type pun signed and unsigned as many pointer" {
if (builtin.zig_backend == .stage1) return error.SkipZigTest;
if (builtin.zig_backend != .stage1) {
// TODO https://github.com/ziglang/zig/issues/9646
return error.SkipZigTest;
}
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
comptime {
var x: u32 = 0;
@@ -35,10 +30,7 @@ test "type pun signed and unsigned as many pointer" {
test "type pun signed and unsigned as array pointer" {
if (builtin.zig_backend == .stage1) return error.SkipZigTest;
if (builtin.zig_backend != .stage1) {
// TODO https://github.com/ziglang/zig/issues/9646
return error.SkipZigTest;
}
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
comptime {
var x: u32 = 0;
@@ -82,10 +74,7 @@ test "type pun signed and unsigned as array pointer" {
test "type pun value and struct" {
if (builtin.zig_backend == .stage1) return error.SkipZigTest;
if (builtin.zig_backend != .stage1) {
// TODO https://github.com/ziglang/zig/issues/9646
return error.SkipZigTest;
}
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
comptime {
const StructOfU32 = extern struct { x: u32 };
@@ -102,10 +91,8 @@ fn bigToNativeEndian(comptime T: type, v: T) T {
}
test "type pun endianness" {
if (builtin.zig_backend == .stage1) return error.SkipZigTest;
if (builtin.zig_backend != .stage1) {
// TODO https://github.com/ziglang/zig/issues/9646
return error.SkipZigTest;
}
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
comptime {
const StructOfBytes = extern struct { x: [4]u8 };
@@ -412,3 +399,26 @@ test "offset field ptr by enclosing array element size" {
}
}
}
test "accessing reinterpreted memory of parent object" {
if (builtin.zig_backend == .stage1) return error.SkipZigTest;
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
const S = extern struct {
a: f32,
b: [4]u8,
c: f32,
};
const expected = if (endian == .Little) 102 else 38;
comptime {
const x = S{
.a = 1.5,
.b = [_]u8{ 1, 2, 3, 4 },
.c = 2.6,
};
const ptr = &x.b[0];
const b = @ptrCast([*c]const u8, ptr)[5];
try testing.expect(b == expected);
}
}