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-rw-r--r--test/behavior/struct.zig36
1 files changed, 13 insertions, 23 deletions
diff --git a/test/behavior/struct.zig b/test/behavior/struct.zig
index 0984f7d1e4..db7092ab82 100644
--- a/test/behavior/struct.zig
+++ b/test/behavior/struct.zig
@@ -1359,33 +1359,23 @@ test "under-aligned struct field" {
try expect(result == 1234);
}
-test "fieldParentPtr of a zero-bit field" {
+test "address of zero-bit field is equal to address of only field" {
if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
- const S = struct {
- fn testOneType(comptime A: type) !void {
- {
- const a = A{ .u = 0 };
- const b_ptr = &a.b;
- const a_ptr = @fieldParentPtr(A, "b", b_ptr);
- try std.testing.expectEqual(&a, a_ptr);
- }
- {
- var a = A{ .u = 0 };
- const b_ptr = &a.b;
- const a_ptr = @fieldParentPtr(A, "b", b_ptr);
- try std.testing.expectEqual(&a, a_ptr);
- }
- }
- fn doTheTest() !void {
- try testOneType(struct { b: void = {}, u: u8 });
- try testOneType(struct { u: u8, b: void = {} });
- }
- };
- try S.doTheTest();
- comptime try S.doTheTest();
+ {
+ const A = struct { b: void = {}, u: u8 };
+ var a = A{ .u = 0 };
+ const a_ptr = @fieldParentPtr(A, "b", &a.b);
+ try std.testing.expectEqual(&a, a_ptr);
+ }
+ {
+ const A = struct { u: u8, b: void = {} };
+ var a = A{ .u = 0 };
+ const a_ptr = @fieldParentPtr(A, "b", &a.b);
+ try std.testing.expectEqual(&a, a_ptr);
+ }
}
test "struct field has a pointer to an aligned version of itself" {