| /* |
| * Copyright 2013 Google Inc. |
| * |
| * 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.gwt.dev.javac; |
| |
| import com.google.gwt.core.ext.TreeLogger; |
| import com.google.gwt.dev.CompilerContext; |
| import com.google.gwt.dev.util.UnitTestTreeLogger; |
| |
| import junit.framework.TestCase; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Tests for {@link CompilationUnitInvalidator}. |
| */ |
| public class CompilationUnitInvalidatorTest extends TestCase { |
| |
| public void testRetainValidUnits() { |
| /* |
| * bad0 is a bad unit in validClasses |
| * bad1 is directly a bad unit |
| * bad2 depends on bad0 |
| * bad3 depends on bad1 |
| * bad4 has a missing dependency |
| * bad5 depends on good0, good1, bad3 |
| * bad6 depends on bad5 |
| * |
| * good0 is a good member of validClasses |
| * good1 depends on good0 |
| * good2 depends on good1 |
| * good3 depends on good0, good1, good2 |
| */ |
| |
| CompilationUnit bad0 = getUnitWithApiRefs(true, "bad0"); |
| CompilationUnit bad1 = getUnitWithApiRefs(true, "bad1"); |
| CompilationUnit bad2 = getUnitWithApiRefs(false, "bad2", "bad0"); |
| CompilationUnit bad3 = getUnitWithApiRefs(false, "bad3", "bad1"); |
| CompilationUnit bad4 = getUnitWithApiRefs(false, "bad4", "missing0"); |
| CompilationUnit bad5 = getUnitWithApiRefs(false, |
| "bad5", "good0", "good1", "bad3"); |
| CompilationUnit bad6 = getUnitWithApiRefs(false, "bad6", "bad5"); |
| |
| CompilationUnit good0 = getUnitWithApiRefs(false, "good0"); |
| CompilationUnit good1 = getUnitWithApiRefs(false, "good1", "good0"); |
| CompilationUnit good2 = getUnitWithApiRefs(false, "good2", "good1"); |
| CompilationUnit good3 = getUnitWithApiRefs(false, "good3", |
| "good0", "good1", "good2"); |
| |
| Collection<CompilationUnit> units = new ArrayList<CompilationUnit>(); |
| units.addAll(Arrays.asList( |
| bad1, bad2, bad3, bad4, bad5, bad6, |
| good1, good2, good3)); |
| |
| Map<String, CompiledClass> validClasses = new HashMap<String, CompiledClass>(); |
| validClasses.put("bad0", bad0.getCompiledClasses().iterator().next()); |
| validClasses.put("good0", good0.getCompiledClasses().iterator().next()); |
| |
| // At least some of the members of units also appear within validClasses |
| // By putting bad2 here, this test ensures that bad3 (and dependents) |
| // will be removed even though bad2 is in validClasses. |
| validClasses.put("bad2", bad2.getCompiledClasses().iterator().next()); |
| validClasses.put("good1", good1.getCompiledClasses().iterator().next()); |
| |
| // Keep a copy so that we can check that the one passed-in isn't mutated |
| Map<String, CompiledClass> knownValidClasses = |
| new HashMap<String, CompiledClass>(validClasses); |
| |
| // Collect more compilation errors where extra units are thrown out by unit invalidation. |
| CompilerContext compilerContext = new CompilerContext.Builder().build(); |
| |
| // Invoke the method under test |
| CompilationUnitInvalidator.retainValidUnits(TreeLogger.NULL, units, validClasses, |
| compilerContext.getCompilationErrorsIndex()); |
| |
| // Check that the compilation errors index was correctly populated. |
| UnitTestTreeLogger.Builder loggerBuilder = new UnitTestTreeLogger.Builder(); |
| loggerBuilder.setLowestLogLevel(TreeLogger.TRACE); |
| loggerBuilder.expectTrace("Tracing compile failure path for type 'bad6'", null); |
| loggerBuilder.expectError("Errors in '/mock/bad6.java'", null); |
| loggerBuilder.expectError("bad5 cannot be resolved to a type", null); |
| loggerBuilder.expectError("Errors in '/mock/bad5.java'", null); |
| loggerBuilder.expectError("bad3 cannot be resolved to a type", null); |
| loggerBuilder.expectError("Errors in '/mock/bad3.java'", null); |
| loggerBuilder.expectError("bad1 cannot be resolved to a type", null); |
| UnitTestTreeLogger testLogger = loggerBuilder.createLogger(); |
| CompilationProblemReporter.logErrorTrace(testLogger, TreeLogger.ERROR, compilerContext, "bad6", |
| false); |
| testLogger.assertCorrectLogEntries(); |
| |
| // Check that validClasses is not mutated |
| assertEquals(knownValidClasses, validClasses); |
| |
| // Check that units is mutated |
| assertEquals(Arrays.asList(good1, good2, good3), units); |
| } |
| |
| private static CompilationUnit getUnitWithApiRefs( |
| final boolean isError, final String simpleName, final String... apiRefs) { |
| return new MockCompilationUnit(simpleName, simpleName) { |
| @Override |
| public boolean isError() { |
| return isError; |
| } |
| |
| @Override |
| public Collection<CompiledClass> getCompiledClasses() { |
| CompiledClass cc = new CompiledClass(new byte[1], null, false, simpleName, simpleName); |
| cc.initUnit(this); |
| return Collections.<CompiledClass>singletonList(cc); |
| } |
| |
| @Override |
| public Dependencies getDependencies() { |
| return new Dependencies() { |
| @Override |
| public List<String> getApiRefs() { |
| return Arrays.asList(apiRefs); |
| } |
| }; |
| } |
| }; |
| } |
| } |