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// Copyright 2014 The Bazel Authors. All rights reserved.
//
// 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.google.devtools.build.lib.util;
import static com.google.common.truth.Truth.assertThat;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for String canonicalizer.
*/
@RunWith(JUnit4.class)
public class StringCanonicalizerTest {
@Test
public void twoDifferentStringsAreDifferent() {
String stringA = StringCanonicalizer.intern("A");
String stringB = StringCanonicalizer.intern("B");
assertThat(stringA).isNotEqualTo(stringB);
}
@Test
public void twoSameStringsAreCanonicalized() {
String stringA1 = StringCanonicalizer.intern(new String("A"));
String stringA2 = StringCanonicalizer.intern(new String("A"));
assertThat(stringA2).isSameInstanceAs(stringA1);
}
}