| /* |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.jf.baksmali; |
| |
| import com.google.common.io.ByteStreams; |
| import junit.framework.Assert; |
| |
| import org.antlr.runtime.RecognitionException; |
| import org.jf.baksmali.Adaptors.ClassDefinition; |
| import org.jf.dexlib2.iface.ClassDef; |
| import org.jf.smali.SmaliTestUtils; |
| import org.jf.util.IndentingWriter; |
| import org.jf.util.TextUtils; |
| |
| import javax.annotation.Nonnull; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.StringWriter; |
| |
| public class BaksmaliTestUtils { |
| public static void assertSmaliCompiledEquals(String source, String expected, |
| BaksmaliOptions options, boolean stripComments) throws IOException, |
| RecognitionException { |
| ClassDef classDef = SmaliTestUtils.compileSmali(source, options.apiLevel); |
| |
| // Remove unnecessary whitespace and optionally strip all comments from smali file |
| String normalizedActual = getNormalizedSmali(classDef, options, stripComments); |
| String normalizedExpected = normalizeSmali(expected, stripComments); |
| |
| // Assert that normalized strings are now equal |
| Assert.assertEquals(normalizedExpected, normalizedActual); |
| } |
| |
| public static void assertSmaliCompiledEquals(String source, String expected, |
| BaksmaliOptions options) throws IOException, RecognitionException { |
| assertSmaliCompiledEquals(source, expected, options, false); |
| } |
| |
| public static void assertSmaliCompiledEquals(String source, String expected) |
| throws IOException, RecognitionException { |
| BaksmaliOptions options = new BaksmaliOptions(); |
| assertSmaliCompiledEquals(source, expected, options); |
| } |
| |
| @Nonnull |
| public static String normalizeSmali(@Nonnull String smaliText, boolean stripComments) { |
| if (stripComments) { |
| smaliText = TextUtils.stripComments(smaliText); |
| } |
| return TextUtils.normalizeWhitespace(smaliText); |
| } |
| |
| @Nonnull |
| public static String getNormalizedSmali(@Nonnull ClassDef classDef, @Nonnull BaksmaliOptions options, |
| boolean stripComments) |
| throws IOException { |
| StringWriter stringWriter = new StringWriter(); |
| IndentingWriter writer = new IndentingWriter(stringWriter); |
| ClassDefinition classDefinition = new ClassDefinition(options, classDef); |
| classDefinition.writeTo(writer); |
| writer.close(); |
| return normalizeSmali(stringWriter.toString(), stripComments); |
| } |
| |
| @Nonnull |
| public static byte[] readResourceBytesFully(@Nonnull String fileName) throws IOException { |
| InputStream smaliStream = RoundtripTest.class.getClassLoader(). |
| getResourceAsStream(fileName); |
| if (smaliStream == null) { |
| org.junit.Assert.fail("Could not load " + fileName); |
| } |
| |
| return ByteStreams.toByteArray(smaliStream); |
| } |
| |
| @Nonnull |
| public static String readResourceFully(@Nonnull String fileName) throws IOException { |
| return readResourceFully(fileName, "UTF-8"); |
| } |
| |
| @Nonnull |
| public static String readResourceFully(@Nonnull String fileName, @Nonnull String encoding) |
| throws IOException { |
| return new String(readResourceBytesFully(fileName), encoding); |
| } |
| |
| // Static helpers class; do not instantiate. |
| private BaksmaliTestUtils() { throw new AssertionError(); } |
| } |