modules/core/src/test/java/org/apache/ignite/util/GridStringBuilderFactorySelfTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ignite.util;

import org.apache.ignite.internal.util.GridStringBuilderFactory;
import org.apache.ignite.internal.util.typedef.internal.SB;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.apache.ignite.testframework.junits.common.GridCommonTest;
import org.junit.Test;

/**
 * String builder factory test.
 */
@GridCommonTest(group = "Utils")
public class GridStringBuilderFactorySelfTest extends GridCommonAbstractTest {
    /** */
    public GridStringBuilderFactorySelfTest() {
        super(/*start grid*/false);
    }

    /**
     * Tests string builder factory.
     */
    @Test
    public void testStringBuilderFactory() {
        SB b1 = GridStringBuilderFactory.acquire();

        assert b1.length() == 0;

        b1.a("B1 Test String");

        SB b2 = GridStringBuilderFactory.acquire();

        assert b2.length() == 0;

        assert b1 != b2;

        b1.a("B2 Test String");

        assert !b1.toString().equals(b2.toString());

        GridStringBuilderFactory.release(b2);
        GridStringBuilderFactory.release(b1);

        assert b1.length() == 0;
        assert b2.length() == 0;

        SB b3 = GridStringBuilderFactory.acquire();

        assert b1 == b3;

        assert b3.length() == 0;

        b3.a("B3 Test String");

        GridStringBuilderFactory.release(b3);

        assert b3.length() == 0;
    }
}