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/*
* Copyright (C) 2011 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 com.android.loganalysis.util;
import junit.framework.TestCase;
import java.util.Arrays;
import java.util.List;
/**
* Unit tests for {@link ArrayUtil}
*/
public class ArrayUtilTest extends TestCase {
/**
* Simple test for {@link ArrayUtil#buildArray(String[]...)}
*/
public void testBuildArray_arrays() {
String[] newArray = ArrayUtil.buildArray(new String[] {"1", "2"}, new String[] {"3"},
new String[] {"4"});
assertEquals(4, newArray.length);
for (int i = 0; i < 4; i++) {
assertEquals(Integer.toString(i+1), newArray[i]);
}
}
/**
* Make sure that Collections aren't double-wrapped
*/
public void testJoinCollection() {
List<String> list = Arrays.asList("alpha", "beta", "gamma");
final String expected = "alpha, beta, gamma";
String str = ArrayUtil.join(", ", list);
assertEquals(expected, str);
}
/**
* Make sure that Arrays aren't double-wrapped
*/
public void testJoinArray() {
String[] ary = new String[] {"alpha", "beta", "gamma"};
final String expected = "alpha, beta, gamma";
String str = ArrayUtil.join(", ", (Object[]) ary);
assertEquals(expected, str);
}
/**
* Make sure that join on varargs arrays work as expected
*/
public void testJoinNormal() {
final String expected = "alpha, beta, gamma";
String str = ArrayUtil.join(", ", "alpha", "beta", "gamma");
assertEquals(expected, str);
}
}
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