t.Error(err)
	}
}

func TestUTF16Alloc(t *testing.T) {
	allowsPerRun := func(want int, f func()) {
		t.Helper()
		got := int(testing.AllocsPerRun(5, f))
		if got != want {
			t.Errorf("got %d allocs, want %d", got, want)
		}
	}
	allowsPerRun(1, func() {
		syscall.UTF16ToString([]uint16{'a', 'b', 'c'})
	})
	allowsPerRun(1, func() {
		syscall.UTF16FromString("abc")
	})
}