@@ -0,0 +1,3085 @@
+// Copyright 2021 The Bazel Authors. All rights reserved.%0A//%0A// Licensed under the Apache License, Version 2.0 (the %22License%22);%0A// you may not use this file except in compliance with the License.%0A// You may obtain a copy of the License at%0A//%0A//    http://www.apache.org/licenses/LICENSE-2.0%0A//%0A// Unless required by applicable law or agreed to in writing, software%0A// distributed under the License is distributed on an %22AS IS%22 BASIS,%0A// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A// See the License for the specific language governing permissions and%0A// limitations under the License.%0Apackage com.google.devtools.build.lib.view.java;%0A%0Aimport static com.google.common.truth.Truth.assertThat;%0A%0Aimport com.google.common.collect.Iterables;%0Aimport com.google.devtools.build.lib.analysis.config.BuildConfigurationCollection;%0Aimport com.google.devtools.build.lib.analysis.config.BuildConfigurationValue;%0Aimport com.google.devtools.build.lib.analysis.util.ConfigurationTestCase;%0Aimport com.google.devtools.build.lib.cmdline.Label;%0Aimport com.google.devtools.build.lib.rules.cpp.CppConfiguration;%0Aimport com.google.devtools.build.lib.rules.java.JavaConfiguration;%0Aimport org.junit.Test;%0Aimport org.junit.runner.RunWith;%0Aimport org.junit.runners.JUnit4;%0A%0A/**%0A * Tests for the Java-specific parts of %7B@link BuildConfigurationValue%7D creation, and the%0A * Java-related configuration transitions.%0A */%0A@RunWith(JUnit4.class)%0Apublic class JavaConfigurationTest extends ConfigurationTestCase %7B%0A%0A  @Test%0A  public void testJavaLauncherConfiguration() throws Exception %7B%0A    // Default value of --java_launcher: null.%0A    BuildConfigurationValue config = create();%0A    JavaConfiguration cfg = config.getFragment(JavaConfiguration.class);%0A    assertThat(cfg.getJavaLauncherLabel()).isNull();%0A%0A    // Explicitly enabled launcher as default%0A    scratch.file(%22foo/BUILD%22, %22filegroup(name='bar')%22, %22filegroup(name='baz')%22);%0A    config = create(%22--java_launcher=//foo:bar%22);%0A    cfg = config.getFragment(JavaConfiguration.class);%0A    assertThat(Label.parseAbsoluteUnchecked(%22//foo:bar%22)).isEqualTo(cfg.getJavaLauncherLabel());%0A  %7D%0A%0A  @Test%0A  public void testHostCrosstoolTop() throws Exception %7B%0A    BuildConfigurationCollection configs = createCollection();%0A    BuildConfigurationValue config = Iterables.getOnlyElement(configs.getTargetConfigurations());%0A    assertThat(config.getFragment(CppConfiguration.class).getRuleProvidingCcToolchainProvider())%0A        .isEqualTo(Label.parseAbsoluteUnchecked(%22//tools/cpp:toolchain%22));%0A%0A    BuildConfigurationValue hostConfig = configs.getHostConfiguration();%0A    assertThat(hostConfig.getFragment(CppConfiguration.class).getRuleProvidingCcToolchainProvider())%0A        .isEqualTo(Label.parseAbsoluteUnchecked(%22//tools/cpp:toolchain%22));%0A  %7D%0A%0A%0A  @Test%0A  public void testConfigurationsHaveUniqueOutputDirectories() throws Exception %7B%0A    assertConfigurationsHaveUniqueOutputDirectories(createCollection(%22--cpu=k8%22));%0A%0A    assertConfigurationsHaveUniqueOutputDirectories(%0A        createCollection(%22--cpu=k8%22, %22--compilation_mode=opt%22));%0A  %7D%0A%7D%0A

Add JavaConfigurationTest.