{
			"bucket1",
			[]objectUpload{{"object0", "content"}, {"object1", "content"}},
			"object0",
			[]string{"object1"},
		},
		// Test 2: remove an object inside a directory and checks it is deleted
		// with its parent since this former becomes empty
		{
			"bucket2",
			[]objectUpload{{"object0", "content"}, {"dir/object1", "content"}},
			"dir/object1",
			[]string{"object0"},
		},

     * </pre>
     *
     * @param object1
     *            オブジェクト(<code>null</code>可)
     * @param object2
     *            オブジェクト(<code>null</code>可)
     * @return 引数の2つのオブジェクトが等しい場合は<code>true</code>を返します。
     */
    public static boolean equals(final Object object1, final Object object2) {
        if (object1 == object2) {
            return true;
        }
        if (object1 == null || object2 == null) {

	ctx := context.Background()
	lrwm := NewLRWMutex()

	if !lrwm.GetRLock(ctx, "", "object1", time.Second) {
		panic("Failed to acquire read lock")
	}
	// fmt.Println("1st read lock acquired, waiting...")

	if !lrwm.GetRLock(ctx, "", "object1", time.Second) {
		panic("Failed to acquire read lock")
	}
	// fmt.Println("2nd read lock acquired, waiting...")

	go func() {