android-platform-libcore/support/src/test/java/tests/support/Support_MapTest2.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 tests.support;

import java.util.Map;
import junit.framework.TestCase;

public class Support_MapTest2 extends TestCase {

    Map<String, String> map;

    public Support_MapTest2(Map<String, String> m) {
        super();
        map = m;
        if (!map.isEmpty()) {
            fail("Map must be empty");
        }
    }

    @Override
    public void runTest() {
        try {
            map.put("one", "1");
            assertEquals("size should be one", 1, map.size());
            map.clear();
            assertEquals("size should be zero", 0, map.size());
            assertTrue("Should not have entries", !map.entrySet().iterator()
                    .hasNext());
            assertTrue("Should not have keys", !map.keySet().iterator()
                    .hasNext());
            assertTrue("Should not have values", !map.values().iterator()
                    .hasNext());
        } catch (UnsupportedOperationException e) {
        }

        try {
            map.put("one", "1");
            assertEquals("size should be one", 1, map.size());
            map.remove("one");
            assertEquals("size should be zero", 0, map.size());
            assertTrue("Should not have entries", !map.entrySet().iterator()
                    .hasNext());
            assertTrue("Should not have keys", !map.keySet().iterator()
                    .hasNext());
            assertTrue("Should not have values", !map.values().iterator()
                    .hasNext());
        } catch (UnsupportedOperationException e) {
        }
    }

}