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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* 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 org.jetbrains.java.decompiler;
import com.intellij.openapi.fileTypes.StdFileTypes;
import com.intellij.openapi.vfs.StandardFileSystems;
import com.intellij.openapi.vfs.VfsUtilCore;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.openapi.vfs.VirtualFileVisitor;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.impl.compiled.ClsFileImpl;
import com.intellij.testFramework.PlatformTestUtil;
import com.intellij.testFramework.fixtures.LightCodeInsightFixtureTestCase;
import org.jetbrains.annotations.NotNull;
public class IdeaDecompilerTest extends LightCodeInsightFixtureTestCase {
private static final String BANNER =
"//\n" +
"// Source code recreated from a .class file by IntelliJ IDEA\n" +
"// (powered by Fernflower decompiler)\n" +
"//\n\n";
public void testSimple() {
String path = PlatformTestUtil.getRtJarPath() + "!/java/lang/String.class";
VirtualFile file = StandardFileSystems.jar().findFileByPath(path);
assertNotNull(path, file);
String decompiled = new IdeaDecompiler().getText(file).toString();
assertTrue(decompiled.startsWith(BANNER + "package java.lang;\n"));
assertTrue(decompiled, decompiled.contains("public final class String"));
assertTrue(decompiled, decompiled.contains("@deprecated"));
assertTrue(decompiled, decompiled.contains("private static class CaseInsensitiveComparator"));
assertFalse(decompiled, decompiled.contains("{ /* compiled code */ }"));
assertFalse(decompiled, decompiled.contains("synthetic"));
}
public void testStubCompatibility() {
String path = PlatformTestUtil.getRtJarPath() + "!/java";
VirtualFile dir = StandardFileSystems.jar().findFileByPath(path);
assertNotNull(path, dir);
doTestStubCompatibility(dir);
}
private void doTestStubCompatibility(VirtualFile root) {
VfsUtilCore.visitChildrenRecursively(root, new VirtualFileVisitor() {
@Override
public boolean visitFile(@NotNull VirtualFile file) {
if (file.isDirectory()) {
System.out.println(file.getPath());
}
else if (file.getFileType() == StdFileTypes.CLASS && !file.getName().contains("$")) {
PsiFile clsFile = getPsiManager().findFile(file);
assertNotNull(file.getPath(), clsFile);
PsiElement mirror = ((ClsFileImpl)clsFile).getMirror();
String decompiled = mirror.getText();
assertTrue(file.getPath(), decompiled.contains(file.getNameWithoutExtension()));
}
return true;
}
});
}
}
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