t.Errorf("got %v, want %v", got, 42)
	}
}

func TestZeroValue(t *testing.T) {
	var v js.Value
	if !v.IsUndefined() {
		t.Error("zero js.Value is not js.Undefined()")
	}
}

func TestFuncOf(t *testing.T) {
	c := make(chan struct{})
	cb := js.FuncOf(func(this js.Value, args []js.Value) any {
		if got := args[0].Int(); got != 42 {
			t.Errorf("got %#v, want %#v", got, 42)
		}
		c <- struct{}{}

		if err != nil {
			t.Errorf("toNorm(%s) failed: %v (wd=%s)\n", arg, err, wd)
		} else if got != want {
			t.Errorf("toNorm(%s) returns %s, but %s expected (wd=%s)\n", arg, got, want, wd)
		}
	}
}

func TestUNC(t *testing.T) {
	// Test that this doesn't go into an infinite recursion.
	// See golang.org/issue/15879.
	defer debug.SetMaxStack(debug.SetMaxStack(1e6))
	filepath.Glob(`\\?\c:\*`)
}