// 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 static org.junit.Assert.assertSame; 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")); assertSame(stringA1, stringA2); } }