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// Copyright 2009 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.analysis.config;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.rules.cpp.CppOptions;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* A test for {@link BuildOptions}.
*/
@RunWith(JUnit4.class)
public class BuildOptionsTest {
private static final ImmutableList<Class<? extends FragmentOptions>> TEST_OPTIONS =
ImmutableList.<Class<? extends FragmentOptions>>of(BuildConfiguration.Options.class);
@Test
public void testOptionSetCaching() throws Exception {
BuildOptions a = BuildOptions.createDefaults(TEST_OPTIONS);
BuildOptions b = BuildOptions.createDefaults(TEST_OPTIONS);
// The cache keys of the OptionSets must be equal even if these are
// different objects, if they were created with the same options (no options in this case).
assertEquals(a.toString(), b.toString());
assertEquals(a.computeCacheKey(), b.computeCacheKey());
}
@Test
public void testCachingSpecialCases() throws Exception {
// You can add options here to test that their string representations are good.
String[] options = new String[] { "--run_under=//run_under" };
BuildOptions a = BuildOptions.of(TEST_OPTIONS, options);
BuildOptions b = BuildOptions.of(TEST_OPTIONS, options);
assertEquals(a.toString(), b.toString());
}
@Test
public void testOptionsEquality() throws Exception {
String[] options1 = new String[] { "--compilation_mode=opt" };
String[] options2 = new String[] { "--compilation_mode=dbg" };
// Distinct instances with the same values are equal:
assertEquals(BuildOptions.of(TEST_OPTIONS, options1), BuildOptions.of(TEST_OPTIONS, options1));
// Same fragments, different values aren't equal:
assertFalse(BuildOptions.of(TEST_OPTIONS, options1).equals(
BuildOptions.of(TEST_OPTIONS, options2)));
// Same values, different fragments aren't equal:
assertFalse(BuildOptions.of(TEST_OPTIONS, options1).equals(
BuildOptions.of(
ImmutableList.<Class<? extends FragmentOptions>>of(
BuildConfiguration.Options.class, CppOptions.class),
options1)));
// Same values and fragments, same original options are equal:
BuildOptions original1 = BuildOptions.of(TEST_OPTIONS, options1);
BuildOptions original2 = BuildOptions.of(TEST_OPTIONS, options2);
assertEquals(BuildOptions.of(TEST_OPTIONS, original1, options2),
BuildOptions.of(TEST_OPTIONS, original1, options2));
// Same values and fragments, different original options are not equal:
assertFalse(BuildOptions.of(TEST_OPTIONS, original1, options2).equals(
BuildOptions.of(TEST_OPTIONS, original2, options2)));
}
}
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