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Add tests for alignment field in UnionField and StructFIeld

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This commit is contained in:
Tadeo Kondrak 2020-09-26 08:55:32 -06:00
parent d81648ce8c
commit c2ee66108c
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GPG Key ID: D41E092CA43F1D8B
1 changed files with 12 additions and 1 deletions
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13
test/stage1/behavior/type_info.zig
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@ -211,7 +211,9 @@ fn testUnion() void {
expect(notag_union_info.Union.tag_type == null);
expect(notag_union_info.Union.layout == .Auto);
expect(notag_union_info.Union.fields.len == 2);
expect(notag_union_info.Union.fields[0].alignment == @alignOf(void));
expect(notag_union_info.Union.fields[1].field_type == u32);
expect(notag_union_info.Union.fields[1].alignment == @alignOf(u32));
const TestExternUnion = extern union {
foo: *c_void,
@ -229,13 +231,18 @@ test "type info: struct info" {
}
fn testStruct() void {
const unpacked_struct_info = @typeInfo(TestUnpackedStruct);
expect(unpacked_struct_info.Struct.fields[0].alignment == @alignOf(u32));
const struct_info = @typeInfo(TestStruct);
expect(struct_info == .Struct);
expect(struct_info.Struct.layout == .Packed);
expect(struct_info.Struct.fields.len == 4);
expect(struct_info.Struct.fields[0].alignment == 2 * @alignOf(usize));
expect(struct_info.Struct.fields[2].field_type == *TestStruct);
expect(struct_info.Struct.fields[2].default_value == null);
expect(struct_info.Struct.fields[3].default_value.? == 4);
expect(struct_info.Struct.fields[3].alignment == 1);
expect(struct_info.Struct.decls.len == 2);
expect(struct_info.Struct.decls[0].is_pub);
expect(!struct_info.Struct.decls[0].data.Fn.is_extern);
@ -244,8 +251,12 @@ fn testStruct() void {
expect(struct_info.Struct.decls[0].data.Fn.fn_type == fn (*const TestStruct) void);
}
const TestUnpackedStruct = struct {
fieldA: u32 = 4,
};
const TestStruct = packed struct {
fieldA: usize,
fieldA: usize align(2 * @alignOf(usize)),
fieldB: void,
fieldC: *Self,
fieldD: u32 = 4,