tests/tests/util/src/android/util/cts/MutableTest.java

/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * 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 android.util.cts;

import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import android.util.*;
import org.junit.Test;
import org.junit.runner.RunWith;

import static org.junit.Assert.*;

@SmallTest
@RunWith(AndroidJUnit4.class)
public class MutableTest {
    @Test
    public void testMutableBoolean() {
        MutableBoolean mut = new MutableBoolean(false);
        assertFalse(mut.value);
        mut = new MutableBoolean(true);
        assertTrue(mut.value);
    }

    @Test
    public void testMutableByte() {
        MutableByte mut = new MutableByte((byte) 127);
        assertEquals(127, mut.value);
        mut = new MutableByte((byte) -128);
        assertEquals(-128, mut.value);
    }

    @Test
    public void testMutableChar() {
        MutableChar mut = new MutableChar('a');
        assertEquals('a', mut.value);
        mut = new MutableChar('b');
        assertEquals('b', mut.value);
    }

    @Test
    public void testMutableDouble() {
        MutableDouble mut = new MutableDouble(0);
        assertEquals(0, mut.value, 0);
        mut = new MutableDouble(Double.MAX_VALUE);
        assertEquals(Double.MAX_VALUE, mut.value, 0);
    }

    @Test
    public void testMutableFloat() {
        MutableFloat mut = new MutableFloat(0f);
        assertEquals(0f, mut.value, 0);
        mut = new MutableFloat(Float.MAX_VALUE);
        assertEquals(Float.MAX_VALUE, mut.value, 0);
    }

    @Test
    public void testMutableShort() {
        MutableShort mut = new MutableShort((short) 0);
        assertEquals(0, mut.value);
        mut = new MutableShort(Short.MAX_VALUE);
        assertEquals(Short.MAX_VALUE, mut.value);
    }
}