Path tempDir = Files.createTempDirectory("toctou_cmd_test");
        try {
            Path nonExisting = tempDir.resolve("non_existing.tmp");
            assertFalse(Files.exists(nonExisting));

            boolean deleted = Files.deleteIfExists(nonExisting);

            assertFalse(deleted);
        } finally {
            deleteDirectory(tempDir.toFile());
        }
    }

    }

    // Test getDataStore with non-existing name
    @Test
    public void test_getDataStore_nonExistingName() {
        DataStore retrieved = dataStoreFactory.getDataStore("nonExisting");
        assertNull(retrieved);
    }

    // Test getDataStore with null name
    @Test
    public void test_getDataStore_nullName() {
        DataStore retrieved = dataStoreFactory.getDataStore(null);

		},
		{
			path:   "/dir1",
			size:   1302010,
			objs:   5,
			oSizes: sizeHistogram{0: 1, 1: 1, 2: 2, 4: 1},
		},
		{
			path:  "/dir1/dira",
			isNil: true,
		},
		{
			path:  "/nonexistying",
			isNil: true,
		},
	}

	for _, w := range want {
		p := path.Join(bucket, w.path)
		t.Run(p, func(t *testing.T) {
			e := got.find(p)
			if w.isNil {
				if e != nil {

		t.Errorf("Should be able to get setting after set")
	} else if value.(string) != "world" {
		t.Errorf("Set value should not be changed")
	}

	if _, ok := DB.Get("non_existing"); ok {
		t.Errorf("Get non existing key should return error")
	}

//
// Attrs only adds attributes if the record is not found.
//
//	// assign an email if the record is not found
//	db.Where(User{Name: "non_existing"}).Attrs(User{Email: "******@****.***"}).FirstOrInit(&user)
//	// user -> User{Name: "non_existing", Email: "******@****.***"}
//
//	// assign an email if the record is not found, otherwise ignore provided email

//
// FirstOrInit never modifies the database. It is often used with Assign and Attrs.
//
//	// assign an email if the record is not found
//	db.Where(User{Name: "non_existing"}).Attrs(User{Email: "******@****.***"}).FirstOrInit(&user)
//	// user -> User{Name: "non_existing", Email: "******@****.***"}
//
//	// assign email regardless of if record is found
//	db.Where(User{Name: "jinzhu"}).Assign(User{Email: "******@****.***"}).FirstOrInit(&user)

        // Test that Files.deleteIfExists doesn't throw on non-existing file
        Path tempDir = Files.createTempDirectory("toctou_test");
        try {
            Path nonExistingFile = tempDir.resolve("non_existing.tmp");
            assertFalse(Files.exists(nonExistingFile));

            // Should return false without throwing exception
            boolean deleted = Files.deleteIfExists(nonExistingFile);