java-decompiler: post-import cleanup (tests reorganized)

This commit is contained in:
Roman Shevchenko
2014-09-01 15:05:08 +04:00
parent 1a4e48d11d
commit 3854b67daa
24 changed files with 282 additions and 137 deletions

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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 org.jetbrains.java.decompiler.main.decompiler.ConsoleDecompiler;
import org.jetbrains.java.decompiler.main.extern.IFernflowerPreferences;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.io.*;
import java.util.HashMap;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class SingleClassesTest {
private File tempDir;
private ConsoleDecompiler decompiler;
@Before
public void setUp() throws IOException {
tempDir = File.createTempFile("decompiler_test_", "_dir");
assertTrue(tempDir.delete());
assertTrue(tempDir.mkdirs());
decompiler = new ConsoleDecompiler(new HashMap<String, Object>() {{
boolean win = System.getProperty("os.name", "").startsWith("Windows");
put(IFernflowerPreferences.LOG_LEVEL, "warn");
put(IFernflowerPreferences.RENAME_ENTITIES, "1");
put(IFernflowerPreferences.HIDE_DEFAULT_CONSTRUCTOR, "1");
put(IFernflowerPreferences.DECOMPILE_GENERIC_SIGNATURES, "0");
put(IFernflowerPreferences.IDEA_NOT_NULL_ANNOTATION, "1");
put(IFernflowerPreferences.LAMBDA_TO_ANONYMOUS_CLASS, "0");
put(IFernflowerPreferences.USE_DEBUG_VARNAMES, "0");
put(IFernflowerPreferences.NEW_LINE_SEPARATOR, (win ? "0" : "1"));
}});
}
@After
public void tearDown() {
decompiler = null;
delete(tempDir);
tempDir = null;
}
@Test public void testClassFields() { doTest("TestClassFields"); }
@Test public void testClassLambda() { doTest("TestClassLambda"); }
@Test public void testClassLoop() { doTest("TestClassLoop"); }
@Test public void testClassSwitch() { doTest("TestClassSwitch"); }
@Test public void testClassTypes() { doTest("TestClassTypes"); }
@Test public void testClassVar() { doTest("TestClassVar"); }
private void doTest(String testName) {
try {
File testDataDir = new File("testData");
if (!isTestDataDir(testDataDir)) testDataDir = new File("community/plugins/java-decompiler/engine/testData");
if (!isTestDataDir(testDataDir)) testDataDir = new File("plugins/java-decompiler/engine/testData");
assertTrue(isTestDataDir(testDataDir));
File classFile = new File(testDataDir, "/classes/pkg/" + testName + ".class");
assertTrue(classFile.isFile());
decompiler.addSpace(classFile, true);
decompiler.decompileContext(tempDir);
File decompiledFile = new File(tempDir, testName + ".java");
assertTrue(decompiledFile.isFile());
File referenceFile = new File(testDataDir, "results/" + testName + ".dec");
assertTrue(referenceFile.isFile());
String decompiledContent = getContent(decompiledFile);
String referenceContent = getContent(referenceFile);
assertEquals(referenceContent, decompiledContent);
}
catch (Exception e) {
throw new RuntimeException(e);
}
}
private static boolean isTestDataDir(File dir) {
return dir.isDirectory() && new File(dir, "classes").isDirectory() && new File(dir, "results").isDirectory();
}
private static String getContent(File file) throws IOException {
Reader reader = new InputStreamReader(new FileInputStream(file), "UTF-8");
try {
char[] buff = new char[16 * 1024];
StringBuilder content = new StringBuilder();
int n;
while ((n = reader.read(buff)) > 0) {
content.append(buff, 0, n);
}
return content.toString();
}
finally {
reader.close();
}
}
private static void delete(File file) {
if (file.isDirectory()) {
File[] files = file.listFiles();
if (files != null) {
for (File f : files) delete(f);
}
}
else {
assertTrue(file.delete());
}
}
}

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package unit;
import static org.junit.Assert.*;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.util.Date;
import java.util.HashMap;
import org.junit.Test;
import de.fernflower.main.decompiler.ConsoleDecompiler;
import de.fernflower.main.extern.IFernflowerPreferences;
public class TestSingleClasses {
@Test
public void test() throws IOException {
Date start = new Date();
String current_path = new File(".").getCanonicalPath().toString();
iterateDirectory(new File(current_path + "/bin/unit/classes/"));
System.out.println("\n\nTime elapsed " + (new Date().getTime() - start.getTime())/1000);
}
private void iterateDirectory(File dir) throws IOException {
for (File file : dir.listFiles()) {
if (file.isDirectory()) {
iterateDirectory(file);
} else if(file.getName().endsWith(".class")) {
decompileAndCheckFile(file);
}
}
}
private void decompileAndCheckFile(File file) throws IOException {
try {
ConsoleDecompiler decompiler = new ConsoleDecompiler(new HashMap<String, Object>(){{
put("log", "warn");
put("ren", "1");
put(IFernflowerPreferences.HIDE_DEFAULT_CONSTRUCTOR, "1");
put(IFernflowerPreferences.DECOMPILE_GENERIC_SIGNATURES, "0");
put(IFernflowerPreferences.IDEA_NOT_NULL_ANNOTATION, "1");
put(IFernflowerPreferences.LAMBDA_TO_ANONYMOUS_CLASS, "0");
put(IFernflowerPreferences.USE_DEBUG_VARNAMES, "0");
put(IFernflowerPreferences.NEW_LINE_SEPARATOR, "0");
}});
decompiler.addSpace(file, true);
// files
String current_path = new File(".").getCanonicalPath().toString();
String file_class_name = file.getName();
String file_name = file_class_name.substring(0, file_class_name.lastIndexOf(".class"));
String file_java_name = file_name+".java";
File reference_file = new File(current_path + "/test/unit/results/" + file_name + ".dec");
if(!reference_file.exists()) {
return; // no reference file for some reason, not yet created
}
File temp_dir = new File(Files.createTempDirectory("tempdec_"+file_name).toString());
// decompile it
decompiler.decompileContext(temp_dir);
// get both the decompiled file content and the reference
// NOTE: reference files are saved with Windows-style line endings. Convert them if you are decompiling to Unix.
File decompiled_file = new File(temp_dir, file_java_name);
String decompiled_content = new String(Files.readAllBytes(decompiled_file.toPath()), "UTF-8");
String reference_content = new String(Files.readAllBytes(reference_file.toPath()), "UTF-8");
// clean up
decompiled_file.delete();
temp_dir.delete();
// compare file content with the reference
assertEquals(decompiled_content, reference_content);
} catch(Exception ex) {
System.out.println("ERROR: testing file " + file.getCanonicalPath());
ex.printStackTrace();
}
}
}

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package unit.classes;
public class TestClassFields {
private static int[] sizes;
private static String[] names;
static {
names = new String[]{"name1", "name2"};
sizes = new int[names.length];
}
}

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package unit.classes;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.OptionalInt;
import java.util.function.IntBinaryOperator;
import java.util.function.Supplier;
public class TestClassLambda {
public int field = 0;
public void testLambda() {
List<Integer> list = Arrays.asList(1, 2, 3, 4, 5, 6, 7);
int b = (int)Math.random();
list.forEach(n -> {int a = 2 * n; System.out.println(a + b + field);});
}
public void testLambda1() {
int a = (int)Math.random();
Runnable r = () -> { System.out.println("hello" + a); };
Runnable r1 = () -> { System.out.println("hello1" + a); };
}
public void testLambda2() {
reduce((left, right) -> Math.max(left, right));
}
public void testLambda3() { // IDEA-127301
reduce(Math::max);
}
public void testLambda4() {
reduce(TestClassLambda::localMax);
}
public void testLambda5() {
String x = "abcd";
function(x::toString);
}
public void testLambda6() {
List<String> list = new ArrayList<String>();
int bottom = list.size() * 2;
int top = list.size() * 5;
list.removeIf( s -> (bottom >= s.length() && s.length() <= top) );
}
public static OptionalInt reduce(IntBinaryOperator op) {
return null;
}
public static String function(Supplier<String> supplier) {
return supplier.get();
}
public static int localMax(int first, int second) {
return 0;
}
}

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package unit.classes;
public class TestClassLoop {
public static void testSimpleInfinite() {
while(true) {
System.out.println();
}
}
public static void testFinally() {
boolean a = (Math.random() > 0);
while(true) {
try {
if(!a) {
return;
}
} finally {
System.out.println("1");
}
}
}
public static void testFinallyContinue() {
boolean a = (Math.random() > 0);
for(;;) {
try {
System.out.println("1");
} finally {
if(a) {
System.out.println("3");
continue;
}
}
System.out.println("4");
}
}
}

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package unit.classes;
public class TestClassSwitch {
public void testCaseOrder(int a) {
switch(a) {
case 13:
System.out.println(13);
return;
case 5:
System.out.println(5);
}
}
}

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package unit.classes;
import java.util.ArrayList;
import java.util.List;
public class TestClassTypes {
public void testBoolean() {
byte var7 = 0;
long time = System.currentTimeMillis();
if(time % 2 > 0) {
var7 = 1;
} else if(time % 3 > 0) {
var7 = 2;
}
if(var7 == 1) {
System.out.println();
}
}
public boolean testBit(int var0) {
return (var0 & 1) == 1;
}
public void testSwitchConsts(int a) {
switch (a) {
case 88:
System.out.println("1");
break;
case 656:
System.out.println("2");
break;
case 65201:
case 65489:
System.out.println("3");
}
}
public void testAssignmentType(List list) {
List a = list;
if(a != null) {
(a = new ArrayList(a)).add("23");
}
System.out.println(a.size());
}
}

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package unit.classes;
public class TestClassVar {
private boolean field_boolean = (Math.random() > 0);
public int field_int = 0;
public void testFieldSSAU() {
for(int i = 0; i < 10; i++) {
try {
System.out.println();
} finally {
if (field_boolean) {
System.out.println();
}
}
}
}
public Long testFieldSSAU1() { // IDEA-127466
return new Long(field_int++);
}
public void testComplexPropagation() {
int a = 0;
while (a < 10) {
int b = a;
for(; a < 10 && a == 0; a++) {}
if (b != a) {
System.out.println();
}
}
}
}

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package unit.classes;
public class TestClassFields {
private static int[] sizes;
private static String[] names = new String[]{"name1", "name2"};
static {
sizes = new int[names.length];
}
}

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package unit.classes;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.OptionalInt;
import java.util.function.Consumer;
import java.util.function.IntBinaryOperator;
import java.util.function.Predicate;
import java.util.function.Supplier;
public class TestClassLambda {
public int field = 0;
public void testLambda() {
List var1 = Arrays.asList(new Integer[]{Integer.valueOf(1), Integer.valueOf(2), Integer.valueOf(3), Integer.valueOf(4), Integer.valueOf(5), Integer.valueOf(6), Integer.valueOf(7)});
int var2 = (int)Math.random();
var1.forEach((var2x) -> {
int var3 = 2 * var2x.intValue();
System.out.println(var3 + var2 + this.field);
});
}
public void testLambda1() {
int var1 = (int)Math.random();
Runnable var2 = () -> {
System.out.println("hello" + var1);
};
Runnable var3 = () -> {
System.out.println("hello1" + var1);
};
}
public void testLambda2() {
reduce((var0, var1) -> {
return Math.max(var0, var1);
});
}
public void testLambda3() {
reduce(Math::max);
}
public void testLambda4() {
reduce(TestClassLambda::localMax);
}
public void testLambda5() {
String var1 = "abcd";
function(var1::toString);
}
public void testLambda6() {
ArrayList var1 = new ArrayList();
int var2 = var1.size() * 2;
int var3 = var1.size() * 5;
var1.removeIf((var2x) -> {
return var2 >= var2x.length() && var2x.length() <= var3;
});
}
public static OptionalInt reduce(IntBinaryOperator var0) {
return null;
}
public static String function(Supplier var0) {
return (String)var0.get();
}
public static int localMax(int var0, int var1) {
return 0;
}
}

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package unit.classes;
public class TestClassLoop {
public static void testSimpleInfinite() {
while(true) {
System.out.println();
}
}
public static void testFinally() {
boolean var0 = Math.random() > 0.0D;
while(true) {
try {
if(!var0) {
return;
}
} finally {
System.out.println("1");
}
}
}
public static void testFinallyContinue() {
boolean var0 = Math.random() > 0.0D;
while(true) {
while(true) {
try {
System.out.println("1");
break;
} finally {
if(var0) {
System.out.println("3");
continue;
}
}
}
System.out.println("4");
}
}
}

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package unit.classes;
public class TestClassSwitch {
public void testCaseOrder(int var1) {
switch(var1) {
case 5:
System.out.println(5);
default:
return;
case 13:
System.out.println(13);
}
}
}

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package unit.classes;
import java.util.ArrayList;
import java.util.List;
public class TestClassTypes {
public void testBoolean() {
byte var1 = 0;
long var2 = System.currentTimeMillis();
if(var2 % 2L > 0L) {
var1 = 1;
} else if(var2 % 3L > 0L) {
var1 = 2;
}
if(var1 == 1) {
System.out.println();
}
}
public boolean testBit(int var1) {
return (var1 & 1) == 1;
}
public void testSwitchConsts(int var1) {
switch(var1) {
case 88:
System.out.println("1");
break;
case 656:
System.out.println("2");
break;
case 65201:
case 65489:
System.out.println("3");
}
}
public void testAssignmentType(List var1) {
Object var2 = var1;
if(var1 != null) {
((List)(var2 = new ArrayList(var1))).add("23");
}
System.out.println(((List)var2).size());
}
}

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package unit.classes;
public class TestClassVar {
private boolean field_boolean = Math.random() > 0.0D;
public int field_int = 0;
public void testFieldSSAU() {
for(int var1 = 0; var1 < 10; ++var1) {
try {
System.out.println();
} finally {
if(this.field_boolean) {
System.out.println();
}
}
}
}
public Long testFieldSSAU1() {
return new Long((long)(this.field_int++));
}
public void testComplexPropagation() {
int var1 = 0;
while(var1 < 10) {
int var2;
for(var2 = var1; var1 < 10 && var1 == 0; ++var1) {
;
}
if(var2 != var1) {
System.out.println();
}
}
}
}