/*
* Copyright 2013 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.errorprone.refaster;
import com.google.common.collect.ImmutableSet;
import com.google.common.testing.EqualsTester;
import com.google.common.testing.SerializableTester;
import com.sun.tools.javac.code.Symbol.PackageSymbol;
import com.sun.tools.javac.code.Symtab;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Tests for {@link UClassIdent}.
*
* @author lowasser@google.com (Louis Wasserman)
*/
@RunWith(JUnit4.class)
public class UClassIdentTest extends AbstractUTreeTest {
@Test
public void equality() throws CouldNotResolveImportException {
new EqualsTester()
.addEqualityGroup(UClassIdent.create("java.util.List"))
.addEqualityGroup(UClassIdent.create("com.sun.tools.javac.util.List"))
.addEqualityGroup(UClassIdent.create("java.lang.String"),
UClassIdent.create(inliner.resolveClass("java.lang.String")))
.testEquals();
}
@Test
public void serialization() {
SerializableTester.reserializeAndAssert(UClassIdent.create("java.math.BigInteger"));
}
@Test
public void inline() {
ImportPolicy.bind(context, ImportPolicy.IMPORT_TOP_LEVEL);
context.put(PackageSymbol.class, Symtab.instance(context).rootPackage);
assertInlines("List", UClassIdent.create("java.util.List"));
assertInlines("Map.Entry", UClassIdent.create("java.util.Map.Entry"));
}
@Test
public void importConflicts() {
ImportPolicy.bind(context, ImportPolicy.IMPORT_TOP_LEVEL);
context.put(PackageSymbol.class, Symtab.instance(context).rootPackage);
// Test fully qualified class names
inliner.addImport("package.Exception");
assertInlines("Exception", UClassIdent.create("package.Exception"));
// Will import "anotherPackage.Exception" due to conflicts
assertInlines("anotherPackage.Exception", UClassIdent.create("anotherPackage.Exception"));
new EqualsTester()
.addEqualityGroup(inliner.getImportsToAdd(),
ImmutableSet.of("package.Exception"))
.testEquals();
// Test nested class names
inliner.addImport("package.subpackage.Foo.Bar");
// Will import "package.Foo"
assertInlines("Foo.Bar", UClassIdent.create("package.Foo.Bar"));
assertInlines("Bar", UClassIdent.create("package.subpackage.Foo.Bar"));
// Will not import "anotherPackage.Foo" due to conflicts
assertInlines("anotherPackage.Foo.Bar", UClassIdent.create("anotherPackage.Foo.Bar"));
new EqualsTester()
.addEqualityGroup(inliner.getImportsToAdd(),
ImmutableSet.of("package.Exception", "package.subpackage.Foo.Bar", "package.Foo"))
.testEquals();
}
}