ExpectNewOfFinalSystemClassTest.java

/*
 * Copyright 2008 the original author or authors.
 *
 * Licensed 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 samples.junit48.expectnew;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import samples.expectnew.ExpectNewOfFinalSystemClassDemo;

import static org.easymock.EasyMock.expect;
import static org.junit.Assert.assertEquals;
import static org.powermock.api.easymock.PowerMock.*;

@RunWith(PowerMockRunner.class)
@PrepareForTest( { ExpectNewOfFinalSystemClassDemo.class })
public class ExpectNewOfFinalSystemClassTest {

    @Test
    public void assertThatExpectNewWorksForFinalSystemClasses() throws Exception {
        String mock = createMock(String.class);

        expectNew(String.class, "My String").andReturn(mock);
        expect(mock.charAt(0)).andReturn('o');

        replayAll();
        assertEquals('o', new ExpectNewOfFinalSystemClassDemo().getFirstChar());
        verifyAll();
    }
}