104 lines
3.4 KiB
Java
104 lines
3.4 KiB
Java
/*
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* Copyright 2000-2014 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jetbrains.java.decompiler;
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import org.jetbrains.java.decompiler.main.decompiler.ConsoleDecompiler;
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import org.jetbrains.java.decompiler.util.InterpreterUtil;
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import org.junit.After;
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import org.junit.Before;
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import java.io.File;
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import java.io.FilenameFilter;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertTrue;
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public abstract class SingleClassesTestBase {
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private DecompilerTestFixture fixture;
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@Before
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public void setUp() throws IOException {
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fixture = new DecompilerTestFixture();
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fixture.setUp(getDecompilerOptions());
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}
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@After
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public void tearDown() {
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fixture.tearDown();
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fixture = null;
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}
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protected Map<String, Object> getDecompilerOptions() {
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return Collections.emptyMap();
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}
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protected void doTest(String testFile) {
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try {
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File classFile = new File(fixture.getTestDataDir(), "/classes/" + testFile + ".class");
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assertTrue(classFile.isFile());
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String testName = classFile.getName().substring(0, classFile.getName().length() - 6);
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ConsoleDecompiler decompiler = fixture.getDecompiler();
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for (File file : collectClasses(classFile)) decompiler.addSpace(file, true);
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decompiler.decompileContext();
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File decompiledFile = new File(fixture.getTargetDir(), testName + ".java");
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assertTrue(decompiledFile.isFile());
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File referenceFile = new File(fixture.getTestDataDir(), "results/" + testName + ".dec");
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assertTrue(referenceFile.isFile());
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compareContent(decompiledFile, referenceFile);
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}
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catch (Exception e) {
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throw new RuntimeException(e);
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}
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}
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private static List<File> collectClasses(File classFile) {
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List<File> files = new ArrayList<File>();
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files.add(classFile);
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File parent = classFile.getParentFile();
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if (parent != null) {
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final String pattern = classFile.getName().replace(".class", "") + "\\$.+\\.class";
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File[] inner = parent.listFiles(new FilenameFilter() {
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@Override
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public boolean accept(File dir, String name) {
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return name.matches(pattern);
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}
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});
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if (inner != null) Collections.addAll(files, inner);
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}
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return files;
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}
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private static void compareContent(File decompiledFile, File referenceFile) throws IOException {
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String decompiledContent = new String(InterpreterUtil.getBytes(decompiledFile), "UTF-8");
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String referenceContent = new String(InterpreterUtil.getBytes(referenceFile), "UTF-8");
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if (InterpreterUtil.IS_WINDOWS && !referenceContent.contains("\r\n")) {
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referenceContent = referenceContent.replace("\n", "\r\n"); // fix for broken Git checkout on Windows
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}
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assertEquals(referenceContent, decompiledContent);
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}
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}
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