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// Copyright 2015 Google Inc. 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;

import com.google.common.testing.EqualsTester;
import com.google.devtools.build.lib.analysis.config.BuildConfiguration;
import com.google.devtools.build.lib.analysis.util.AnalysisTestCase;
import com.google.devtools.build.lib.analysis.util.TestAspects;
import com.google.devtools.build.lib.skyframe.AspectValue;
import com.google.devtools.build.lib.syntax.Label;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

/**
 * Tests for {@link com.google.devtools.build.lib.skyframe.AspectValue}.
 */
@RunWith(JUnit4.class)
public class AspectValueTest extends AnalysisTestCase {
  @Override
  @Before
  public void setUp() throws Exception {
    super.setUp();
  }

  @Override
  @After
  public void tearDown() throws Exception {
    super.tearDown();
  }

  @Test
  public void equality() throws Exception {
    update();
    BuildConfiguration c1 = getTargetConfiguration();
    BuildConfiguration c2 = getHostConfiguration();
    Label l1 = Label.parseAbsolute("//a:l1");
    Label l1b = Label.parseAbsolute("//a:l1");
    Label l2 = Label.parseAbsolute("//a:l2");
    Class<? extends ConfiguredAspectFactory> a1 = TestAspects.AttributeAspect.class;
    Class<? extends ConfiguredAspectFactory> a2 = TestAspects.ExtraAttributeAspect.class;

    new EqualsTester()
        .addEqualityGroup(AspectValue.key(l1, c1, a1), AspectValue.key(l1b, c1, a1))
        .addEqualityGroup(AspectValue.key(l2, c1, a1))
        .addEqualityGroup(AspectValue.key(l1, c2, a1))
        .addEqualityGroup(AspectValue.key(l2, c2, a1))
        .addEqualityGroup(AspectValue.key(l1, c1, a2))
        .addEqualityGroup(AspectValue.key(l2, c1, a2))
        .addEqualityGroup(AspectValue.key(l1, c2, a2))
        .addEqualityGroup(AspectValue.key(l2, c2, a2))
        .addEqualityGroup(l1)  // A random object
        .testEquals();
  }
}