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/*
* Copyright 2018 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 androidx.work;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;
import org.junit.Before;
import org.junit.Test;
import java.util.Arrays;
public class OverwritingInputMergerTest {
private OverwritingInputMerger mOverwritingInputMerger;
@Before
public void setUp() {
mOverwritingInputMerger = new OverwritingInputMerger();
}
@Test
public void testMerge_singleArgument() {
String key = "key";
String value = "value";
Data input = new Data.Builder().putString(key, value).build();
Data output = getOutputFor(input);
assertThat(output.size(), is(1));
assertThat(output.getString(key), is(value));
}
@Test
public void testMerge_multipleArguments() {
String key1 = "key1";
String value1 = "value1";
String value1a = "value1a";
String key2 = "key2";
String value2 = "value2";
String key3 = "key3";
String value3 = "value3";
Data input1 = new Data.Builder()
.putString(key1, value1)
.putString(key2, value2)
.build();
Data input2 = new Data.Builder()
.putString(key1, value1a)
.putString(key3, value3)
.build();
Data output = getOutputFor(input1, input2);
assertThat(output.size(), is(3));
assertThat(output.getString(key1), is(value1a));
assertThat(output.getString(key2), is(value2));
assertThat(output.getString(key3), is(value3));
}
private Data getOutputFor(Data... inputs) {
return mOverwritingInputMerger.merge(Arrays.asList(inputs));
}
}
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