Function TestAlignment

src/reflect/all_test.go:1342–1363

Check that structure alignment & offsets viewed through reflect agree with those from the compiler itself.

(t *testing.T)

// Check that structure alignment & offsets viewed through reflect agree with those
// from the compiler itself.
func TestAlignment(t *testing.T) {
	type T1inner struct {
		a int
	}
	type T1 struct {
		T1inner
		f int
	}
	type T2inner struct {
		a, b int
	}
	type T2 struct {
		T2inner
		f int
	}

	x := T1{T1inner{2}, 17}
	check2ndField(x, uintptr(unsafe.Pointer(&x.f))-uintptr(unsafe.Pointer(&x)), t)

	x1 := T2{T2inner{2, 3}, 17}
	check2ndField(x1, uintptr(unsafe.Pointer(&x1.f))-uintptr(unsafe.Pointer(&x1)), t)
}

func Nil(a any, t *testing.T) {
	n := ValueOf(a).Field(0)