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java-decompiler: base class extracted to allow decompiler customization in tests

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This commit is contained in:
Roman Shevchenko
2014-10-09 18:34:08 +02:00
parent 41b8ab9299
commit ce2169f372
3 changed files with 113 additions and 84 deletions
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84
test/org/jetbrains/java/decompiler/SingleClassesTest.java
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@@ -15,35 +15,9 @@
*/
package org.jetbrains.java.decompiler;
import org.jetbrains.java.decompiler.main.decompiler.ConsoleDecompiler;
import org.jetbrains.java.decompiler.util.InterpreterUtil;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.*;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class SingleClassesTest {
private DecompilerTestFixture fixture;
@Before
public void setUp() throws IOException {
fixture = new DecompilerTestFixture();
fixture.setUp();
}
@After
public void tearDown() {
fixture.tearDown();
fixture = null;
}
public class SingleClassesTest extends SingleClassesTestBase {
@Test public void testClassFields() { doTest("pkg/TestClassFields"); }
@Test public void testClassLambda() { doTest("pkg/TestClassLambda"); }
@Test public void testClassLoop() { doTest("pkg/TestClassLoop"); }
@@ -60,60 +34,4 @@ public class SingleClassesTest {
@Test public void testEnum() { doTest("pkg/TestEnum"); }
@Test public void testDebugSymbols() { doTest("pkg/TestDebugSymbols"); }
@Test public void testInvalidMethodSignature() { doTest("InvalidMethodSignature"); }
private void doTest(String testFile) {
try {
File classFile = new File(fixture.getTestDataDir(), "/classes/" + testFile + ".class");
assertTrue(classFile.isFile());
String testName = classFile.getName().replace(".class", "");
ConsoleDecompiler decompiler = fixture.getDecompiler();
for (File file : collectClasses(classFile)) {
decompiler.addSpace(file, true);
}
decompiler.decompileContext();
File decompiledFile = new File(fixture.getTargetDir(), testName + ".java");
assertTrue(decompiledFile.isFile());
File referenceFile = new File(fixture.getTestDataDir(), "results/" + testName + ".dec");
assertTrue(referenceFile.isFile());
compareContent(decompiledFile, referenceFile);
}
catch (Exception e) {
throw new RuntimeException(e);
}
}
private static List<File> collectClasses(File classFile) {
List<File> files = new ArrayList<File>();
files.add(classFile);
File parent = classFile.getParentFile();
if (parent != null) {
final String pattern = classFile.getName().replace(".class", "") + "\\$.+\\.class";
File[] inner = parent.listFiles(new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return name.matches(pattern);
}
});
if (inner != null) Collections.addAll(files, inner);
}
return files;
}
private static void compareContent(File decompiledFile, File referenceFile) throws IOException {
String decompiledContent = new String(InterpreterUtil.getBytes(decompiledFile), "UTF-8");
String referenceContent = new String(InterpreterUtil.getBytes(referenceFile), "UTF-8");
if (InterpreterUtil.IS_WINDOWS && !referenceContent.contains("\r\n")) {
referenceContent = referenceContent.replace("\n", "\r\n"); // fix for broken Git checkout on Windows
}
assertEquals(referenceContent, decompiledContent);
}
}