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/*
* Copyright (C) 2008 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.core;
import junit.framework.TestCase;
import java.lang.reflect.Array;
import android.test.suitebuilder.annotation.SmallTest;
/**
* Test java.lang.reflect.Array methods.
*/
public class ReflectArrayTest extends TestCase {
@SmallTest
public void testSingleInt() throws Exception {
Object intArray = Array.newInstance(Integer.TYPE, 2);
int[] array = (int[]) intArray;
array[0] = 5;
Array.setInt(intArray, 1, 6);
assertEquals(5, Array.getInt(intArray, 0));
assertEquals(6, array[1]);
try {
array[2] = 27;
fail("store should have failed");
} catch (ArrayIndexOutOfBoundsException abe) {
// expected
}
assertEquals(2, array.length);
assertEquals(Array.getLength(intArray), array.length);
try {
int[][] wrongArray = (int[][]) intArray;
fail("cast should have failed");
} catch (ClassCastException cce) {
// expected
}
intArray = Array.newInstance(Integer.TYPE, 0);
assertEquals(0, Array.getLength(intArray));
}
@SmallTest
public void testSingle() throws Exception {
Object strArray = Array.newInstance(String.class, 2);
String[] array = (String[]) strArray;
array[0] = "entry zero";
Array.set(strArray, 1, "entry one");
//System.out.println("array: " + array);
assertEquals("entry zero", Array.get(strArray, 0));
assertEquals("entry one", array[1]);
assertEquals(2, array.length);
assertEquals(Array.getLength(strArray), array.length);
}
@SmallTest
public void testMultiInt() throws Exception {
int[] dimensions = {3, 2, 1};
Object intIntIntArray = Array.newInstance(Integer.TYPE, dimensions);
int[][][] array3 = (int[][][]) intIntIntArray;
array3[0][0][0] = 123;
array3[2][1][0] = 456;
try {
array3[2][1][1] = 768;
fail("store should have failed");
} catch (ArrayIndexOutOfBoundsException abe) {
// expected
}
//System.out.println("array3: " + array3);
}
@SmallTest
public void testMulti() throws Exception {
int[] dimensions = {1, 2, 3};
Object strStrStrArray = Array.newInstance(String.class, dimensions);
String[][][] array3 = (String[][][]) strStrStrArray;
array3[0][0][0] = "zero zero zero";
array3[0][1][2] = "zero one two";
try {
array3[1][0][0] = "bad store";
fail("store should have failed");
} catch (ArrayIndexOutOfBoundsException abe) {
// expected
}
try {
String[][] array2 = (String[][]) strStrStrArray;
fail("expecting bad cast");
} catch (ClassCastException cce) {
// expected
}
//System.out.println("array3: " + array3);
int[] dimensions2 = {1, 2};
strStrStrArray = Array.newInstance(String[].class, dimensions2);
array3 = (String[][][]) strStrStrArray;
array3[0][1] = new String[3];
array3[0][1][2] = "zero one two";
try {
array3[1][0][0] = "bad store";
fail("store should have failed");
} catch (ArrayIndexOutOfBoundsException abe) {
// expected
}
//System.out.println("array3: " + array3);
}
}
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