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// Copyright 2018 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.importdeps;
import static com.google.common.truth.Truth.assertThat;
import static com.google.devtools.build.lib.testutil.MoreAsserts.assertThrows;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableSet;
import com.google.devtools.build.importdeps.AbstractClassEntryState.ExistingState;
import com.google.devtools.build.importdeps.AbstractClassEntryState.IncompleteState;
import com.google.devtools.build.importdeps.AbstractClassEntryState.MissingState;
import com.google.devtools.build.importdeps.ClassInfo.MemberInfo;
import java.nio.file.Paths;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Test for {@link AbstractClassEntryState} */
@RunWith(JUnit4.class)
public class LazyClassEntryStateTest {
public static final String LIST_CLASS_NAME = "java/util/List";
public static final ImmutableSet<MemberInfo> METHOD_LIST =
ImmutableSet.of(MemberInfo.create("hashCode", "()I"));
public static final ClassInfo LIST_CLASS_INFO =
ClassInfo.create(LIST_CLASS_NAME, Paths.get("a"), true, ImmutableList.of(), METHOD_LIST);
@Test
public void testExistingState() {
ExistingState state = ExistingState.create(LIST_CLASS_INFO);
assertThat(state.isExistingState()).isTrue();
assertThat(state.isIncompleteState()).isFalse();
assertThat(state.isMissingState()).isFalse();
assertThat(state.asExistingState()).isSameAs(state);
assertThrows(IllegalStateException.class, () -> state.asIncompleteState());
assertThrows(IllegalStateException.class, () -> state.asMissingState());
ClassInfo classInfo = state.classInfo().get();
assertThat(classInfo.internalName()).isEqualTo("java/util/List");
assertThat(classInfo.declaredMembers()).hasSize(1);
assertThat(classInfo.declaredMembers()).containsExactly(MemberInfo.create("hashCode", "()I"));
}
@Test
public void testIncompleteState() {
assertThrows(
IllegalArgumentException.class,
() ->
IncompleteState.create(
LIST_CLASS_INFO,
ResolutionFailureChain.createWithParent(LIST_CLASS_INFO, ImmutableList.of())));
IncompleteState state =
IncompleteState.create(
LIST_CLASS_INFO, ResolutionFailureChain.createMissingClass("java/lang/Object"));
assertThat(state.isExistingState()).isFalse();
assertThat(state.isIncompleteState()).isTrue();
assertThat(state.isMissingState()).isFalse();
assertThat(state.asIncompleteState()).isSameAs(state);
assertThrows(IllegalStateException.class, () -> state.asExistingState());
assertThrows(IllegalStateException.class, () -> state.asMissingState());
ClassInfo classInfo = state.classInfo().get();
assertThat(classInfo.internalName()).isEqualTo("java/util/List");
assertThat(classInfo.declaredMembers()).hasSize(1);
assertThat(classInfo.declaredMembers()).containsExactly(MemberInfo.create("hashCode", "()I"));
assertThat(state.resolutionFailureChain().getMissingClassesWithSubclasses()).isEmpty();
assertThat(state.missingAncestors()).hasSize(1);
assertThat(state.missingAncestors()).containsExactly("java/lang/Object");
}
@Test
public void testMissingState() {
MissingState state = MissingState.singleton();
assertThat(state.isMissingState()).isTrue();
assertThat(state.isExistingState()).isFalse();
assertThat(state.isIncompleteState()).isFalse();
assertThat(state.asMissingState()).isSameAs(state);
assertThrows(IllegalStateException.class, () -> state.asExistingState());
assertThrows(IllegalStateException.class, () -> state.asIncompleteState());
}
}
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