| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.commons.jci2.compilers; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import junit.framework.TestCase; |
| |
| import org.apache.commons.jci2.problems.CompilationProblem; |
| import org.apache.commons.jci2.readers.ResourceReader; |
| import org.apache.commons.jci2.stores.MemoryResourceStore; |
| |
| /** |
| * Providing convenience methods for JavaCompiler TestCases |
| * |
| * @author tcurdt |
| */ |
| public abstract class AbstractCompilerTestCase extends TestCase { |
| |
| public abstract JavaCompiler createJavaCompiler(); |
| |
| public abstract String getCompilerName(); |
| |
| public void testFactoryCreation() { |
| final JavaCompiler factoryCompiler = new JavaCompilerFactory().createCompiler(getCompilerName()); |
| assertNotNull(factoryCompiler); |
| |
| final JavaCompiler compiler = createJavaCompiler(); |
| assertEquals(factoryCompiler.getClass().getName(), compiler.getClass().getName()); |
| } |
| |
| public void testSimpleCompile() throws Exception { |
| final JavaCompiler compiler = createJavaCompiler(); |
| |
| final ResourceReader reader = new ResourceReader() { |
| final private Map<String, byte[]> sources = new HashMap<String, byte[]>() { |
| private static final long serialVersionUID = 1L; |
| { |
| put("jci2/Simple.java", ( |
| "package jci2;\n" + |
| "public class Simple {\n" + |
| " public String toString() {\n" + |
| " return \"Simple\";\n" + |
| " }\n" + |
| "}").getBytes()); |
| }}; |
| |
| public byte[] getBytes( final String pResourceName ) { |
| return sources.get(pResourceName); |
| } |
| |
| public boolean isAvailable( final String pResourceName ) { |
| return sources.containsKey(pResourceName); |
| } |
| |
| }; |
| |
| final MemoryResourceStore store = new MemoryResourceStore(); |
| final CompilationResult result = compiler.compile( |
| new String[] { |
| "jci2/Simple.java" |
| }, reader, store); |
| |
| assertEquals(toString(result.getErrors()), 0, result.getErrors().length); |
| assertEquals(toString(result.getWarnings()), 0, result.getWarnings().length); |
| |
| final byte[] clazzBytes = store.read("jci2/Simple.class"); |
| assertNotNull("jci2/Simple.class is not null",clazzBytes); |
| assertTrue("jci2/Simple.class is not empty", clazzBytes.length > 0); |
| } |
| |
| public void testExtendedCompile() throws Exception { |
| final JavaCompiler compiler = createJavaCompiler(); |
| |
| final ResourceReader reader = new ResourceReader() { |
| final private Map<String, byte[]> sources = new HashMap<String, byte[]>() { |
| private static final long serialVersionUID = 1L; |
| { |
| put("jci2/Simple.java", ( |
| "package jci2;\n" + |
| "public class Simple {\n" + |
| " public String toString() {\n" + |
| " return \"Simple\";\n" + |
| " }\n" + |
| "}").getBytes()); |
| put("jci2/Extended.java", ( |
| "package jci2;\n" + |
| "public class Extended extends Simple {\n" + |
| " public String toString() {\n" + |
| " return \"Extended\" + super.toString();\n" + |
| " }\n" + |
| "}").getBytes()); |
| }}; |
| |
| public byte[] getBytes( final String pResourceName ) { |
| return sources.get(pResourceName); |
| } |
| |
| public boolean isAvailable( final String pResourceName ) { |
| return sources.containsKey(pResourceName); |
| } |
| |
| }; |
| |
| final MemoryResourceStore store = new MemoryResourceStore(); |
| final CompilationResult result = compiler.compile( |
| new String[] { |
| "jci2/Extended.java", |
| "jci2/Simple.java" |
| }, reader, store); |
| |
| assertEquals(toString(result.getErrors()), 0, result.getErrors().length); |
| assertEquals(toString(result.getWarnings()), 0, result.getWarnings().length); |
| |
| final byte[] clazzBytesSimple = store.read("jci2/Simple.class"); |
| assertNotNull("jci2/Simple.class is not null", clazzBytesSimple); |
| assertTrue("jci2/Simple.class is not empty", clazzBytesSimple.length > 0); |
| |
| final byte[] clazzBytesExtended = store.read("jci2/Extended.class"); |
| assertNotNull("jci2/Extended.class is not null", clazzBytesExtended); |
| assertTrue("jci2/Extended.class is not empty",clazzBytesExtended.length > 0); |
| } |
| |
| public void testInternalClassCompile() throws Exception { |
| final JavaCompiler compiler = createJavaCompiler(); |
| |
| final ResourceReader reader = new ResourceReader() { |
| final private Map<String, byte[]> sources = new HashMap<String, byte[]>() { |
| private static final long serialVersionUID = 1L; |
| { |
| put("jci2/Simple.java", ( |
| "package jci2;\n" + |
| "public class Simple {\n" + |
| " private class Sub {\n" + |
| " }\n" + |
| " public String toString() {\n" + |
| " new Sub();\n" + |
| " return \"Simple\";\n" + |
| " }\n" + |
| "}").getBytes()); |
| }}; |
| |
| public byte[] getBytes( final String pResourceName ) { |
| return sources.get(pResourceName); |
| } |
| |
| public boolean isAvailable( final String pResourceName ) { |
| return sources.containsKey(pResourceName); |
| } |
| |
| }; |
| |
| final MemoryResourceStore store = new MemoryResourceStore(); |
| final CompilationResult result = compiler.compile( |
| new String[] { |
| "jci2/Simple.java" |
| }, reader, store); |
| |
| assertEquals(toString(result.getErrors()), 0, result.getErrors().length); |
| assertEquals(toString(result.getWarnings()), 0, result.getWarnings().length); |
| |
| final byte[] clazzBytes = store.read("jci2/Simple.class"); |
| assertNotNull("jci2/Simple.class is not null", clazzBytes); |
| assertTrue("jci2/Simple.class is not empty", clazzBytes.length > 0); |
| |
| final byte[] subClazzBytes = store.read("jci2/Simple$Sub.class"); |
| assertNotNull("jci2/Simple$Sub.class is not null", subClazzBytes); |
| assertTrue("jci2/Simple$Sub.class is not empty", subClazzBytes.length > 0); |
| |
| } |
| |
| public void testUppercasePackageNameCompile() throws Exception { |
| final JavaCompiler compiler = createJavaCompiler(); |
| |
| final ResourceReader reader = new ResourceReader() { |
| final private Map<String, byte[]> sources = new HashMap<String, byte[]>() { |
| private static final long serialVersionUID = 1L; |
| { |
| put("Jci/Simple.java", ( |
| "package Jci;\n" + |
| "public class Simple {\n" + |
| " public String toString() {\n" + |
| " return \"Simple\";\n" + |
| " }\n" + |
| "}").getBytes()); |
| }}; |
| |
| public byte[] getBytes( final String pResourceName ) { |
| return sources.get(pResourceName); |
| } |
| |
| public boolean isAvailable( final String pResourceName ) { |
| return sources.containsKey(pResourceName); |
| } |
| |
| }; |
| |
| final MemoryResourceStore store = new MemoryResourceStore(); |
| final CompilationResult result = compiler.compile( |
| new String[] { |
| "Jci/Simple.java" |
| }, reader, store); |
| |
| assertEquals(toString(result.getErrors()), 0, result.getErrors().length); |
| assertEquals(toString(result.getWarnings()), 0, result.getWarnings().length); |
| |
| final byte[] clazzBytes = store.read("Jci/Simple.class"); |
| assertNotNull("Jci/Simple.class is not null", clazzBytes); |
| assertTrue("Jci/Simple.class is not empty", clazzBytes.length > 0); |
| } |
| |
| /* |
| * https://issues.apache.org/jira/browse/JCI-53 |
| */ |
| public void testCrossReferenceCompilation() throws Exception { |
| final String javaVersion = System.getProperty("java.version"); |
| |
| final JavaCompiler compiler = createJavaCompiler(); |
| |
| final ResourceReader reader = new ResourceReader() { |
| final private Map<String, byte[]> sources = new HashMap<String, byte[]>() { |
| private static final long serialVersionUID = 1L; |
| { |
| put("jci2/Func1.java", ( |
| "package jci2;\n" + |
| "import static jci2.Func2.func2;" + |
| "public class Func1 {\n" + |
| " public static boolean func1() throws Exception {\n" + |
| " return true;\n" + |
| " }\n" + |
| "}").getBytes()); |
| put("jci2/Func2.java", ( |
| "package jci2;\n" + |
| "import static jci2.Func1.func1;" + |
| "public class Func2 {\n" + |
| " public static boolean func2() throws Exception {\n" + |
| " return true;\n" + |
| " }\n" + |
| "}").getBytes()); |
| }}; |
| |
| public byte[] getBytes( final String pResourceName ) { |
| return sources.get(pResourceName); |
| } |
| |
| public boolean isAvailable( final String pResourceName ) { |
| return sources.containsKey(pResourceName); |
| } |
| |
| }; |
| |
| final JavaCompilerSettings settings = compiler.createDefaultSettings(); |
| settings.setTargetVersion("1.5"); |
| settings.setSourceVersion("1.5"); |
| |
| final MemoryResourceStore store = new MemoryResourceStore(); |
| final CompilationResult result = compiler.compile( |
| new String[] { |
| "jci2/Func1.java", |
| "jci2/Func2.java" |
| }, reader, store, this.getClass().getClassLoader(), settings); |
| |
| assertEquals(toString(result.getErrors()), 0, result.getErrors().length); |
| assertEquals(toString(result.getWarnings()), 0, result.getWarnings().length); |
| |
| final byte[] clazzBytesFunc1 = store.read("jci2/Func1.class"); |
| assertNotNull("jci2/Func1.class is not null", clazzBytesFunc1); |
| assertTrue("jci2/Func1.class is not empty", clazzBytesFunc1.length > 0); |
| |
| final byte[] clazzBytesFunc2 = store.read("jci2/Func2.class"); |
| assertNotNull("jci2/Func2.class is not null", clazzBytesFunc2); |
| assertTrue("jci2/Func2.class is not empty", clazzBytesFunc2.length > 0); |
| } |
| |
| /* |
| * https://issues.apache.org/jira/browse/JCI-59 |
| */ |
| public void testAdditionalTopLevelClassCompile() throws Exception { |
| final JavaCompiler compiler = createJavaCompiler(); |
| |
| final ResourceReader reader = new ResourceReader() { |
| final private Map<String, byte[]> sources = new HashMap<String, byte[]>() { |
| private static final long serialVersionUID = 1L; |
| { |
| put("jci2/Simple.java", ( |
| "package jci2;\n" + |
| "public class Simple {\n" + |
| " public String toString() {\n" + |
| " return \"Simple\";\n" + |
| " }\n" + |
| "}\n" + |
| "class AdditionalTopLevel {\n" + |
| " public String toString() {\n" + |
| " return \"AdditionalTopLevel\";\n" + |
| " }\n" + |
| "}").getBytes()); |
| }}; |
| |
| public byte[] getBytes( final String pResourceName ) { |
| return sources.get(pResourceName); |
| } |
| |
| public boolean isAvailable( final String pResourceName ) { |
| return sources.containsKey(pResourceName); |
| } |
| }; |
| |
| final MemoryResourceStore store = new MemoryResourceStore(); |
| final CompilationResult result = compiler.compile( |
| new String[] { |
| "jci2/Simple.java" |
| }, reader, store); |
| |
| assertEquals("Unexpected errors(s): " + toString(result.getErrors()), 0, result.getErrors().length); |
| |
| final byte[] clazzBytes = store.read("jci2/Simple.class"); |
| assertNotNull("Expected to find jci2/Simple.class", clazzBytes); |
| assertTrue(clazzBytes.length > 0); |
| |
| final byte[] additionalTopLevelBytes = store.read("jci2/AdditionalTopLevel.class"); |
| assertNotNull("Expected to find jci2/AdditionalTopLevel.class", additionalTopLevelBytes); |
| assertTrue(additionalTopLevelBytes.length > 0); |
| |
| assertEquals("Unexpected warning(s): " + toString(result.getWarnings()), 0, result.getWarnings().length); |
| } |
| |
| public final String toString( final CompilationProblem[] pProblems ) { |
| final StringBuilder sb = new StringBuilder(); |
| |
| for (final CompilationProblem problem : pProblems) { |
| sb.append(problem.getMessage()).append(", "); |
| } |
| |
| return sb.toString(); |
| } |
| |
| } |