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StreamUtilTest.java
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StreamUtilTest.java
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/*
* Copyright 2012-2024 CodeLibs Project and the Others.
*
* 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 org.codelibs.core.stream;
import java.util.HashMap;
import java.util.Map;
import junit.framework.TestCase;
public class StreamUtilTest extends TestCase {
public void test_ofValues() {
String[] values = { "value1", "value2" };
StreamUtil.stream(values[0], values[1]).of(s -> {
Object[] array = s.toArray();
for (int i = 0; i < 2; i++) {
assertEquals(values[i], array[i]);
}
});
}
public void test_ofNull() {
assertEquals(0, (int) StreamUtil.stream().get(s -> s.toArray().length));
Object[] o = {};
assertEquals(0, (int) StreamUtil.stream(o).get(s -> s.toArray().length));
Map<Object, Object> map = new HashMap<Object, Object>();
assertEquals(0, (int) StreamUtil.stream(map).get(s -> s.toArray().length));
}
public void test_ofMap() {
Map<String, String> map = new HashMap<String, String>();
map.put("key1", "value1");
map.put("key2", "value2");
StreamUtil.stream(map).of(s -> s.forEach(m -> assertEquals(map.get(m.getKey()), m.getValue())));
}
}