1 files changed, 101 insertions, 0 deletions
diff --git a/dexcomparator/testing/com/android/jack/dexcomparator/test/BinaryCodeComparisonTest.java b/dexcomparator/testing/com/android/jack/dexcomparator/test/BinaryCodeComparisonTest.java
new file mode 100644
index 0000000..863d291
--- /dev/null
+++ b/dexcomparator/testing/com/android/jack/dexcomparator/test/BinaryCodeComparisonTest.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * 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 com.android.jack.dexcomparator.test;
+
+import com.android.jack.DexComparator;
+import com.android.jack.DifferenceFoundException;
+import com.android.jack.util.ExecuteFile;
+
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.io.File;
+import java.io.IOException;
+
+import javax.annotation.Nonnull;
+
+
+public class BinaryCodeComparisonTest {
+
+  @Nonnull
+  private static final File testSource1 = new File("testsource1");
+  @Nonnull
+  private static final File testSource2 = new File("testsource2");
+  @Nonnull
+  private static final File jackJar = new File("../jack/dist/jack.jar");
+  @Nonnull
+  private static final File coreStubsMini = new File("../jack/libs/core-stubs-mini.jar");
+
+  @BeforeClass
+  public static void setUpClass() {
+    BinaryCodeComparisonTest.class.getClassLoader().setDefaultAssertionStatus(true);
+  }
+
+  @Test
+  public void testDifferentBinaryCodeComparison() throws IOException {
+    String sourcePath = "com/android/jack/dexcomparator/test/A.java";
+    File a1 = new File(testSource1, sourcePath);
+    File a2 = new File(testSource2, sourcePath);
+    File dex1 = File.createTempFile("dex1", ".dex");
+    dex1.deleteOnExit();
+    compileToDexWithJack(a1, dex1);
+    File dex2 = File.createTempFile("dex2", ".dex");
+    dex2.deleteOnExit();
+    compileToDexWithJack(a2, dex2);
+    try {
+      new DexComparator().compare(dex1, dex2, false /* compareDebugInfo */, true /* strict */,
+          false /* compareDebugInfoBinarily */, true /* compareCodeBinarily */);
+      Assert.fail();
+    } catch (DifferenceFoundException e) {
+    }
+    try {
+      new DexComparator().compare(dex2, dex1, false /* compareDebugInfo */, true /* strict */,
+          false /* compareDebugInfoBinarily */, true /* compareCodeBinarily */);
+      Assert.fail();
+    } catch (DifferenceFoundException e) {
+    }
+  }
+
+  @Test
+  public void testIdenticalBinaryCodeComparison() throws IOException {
+    String sourcePath = "com/android/jack/dexcomparator/test/A.java";
+    File a1 = new File(testSource1, sourcePath);
+    File dex1 = File.createTempFile("dex1", ".dex");
+    dex1.deleteOnExit();
+    compileToDexWithJack(a1, dex1);
+    try {
+      new DexComparator().compare(dex1, dex1, false /* compareDebugInfo */, true /* strict */,
+          false /* compareDebugInfoBinarily */, true /* compareCodeBinarily */);
+    } catch (DifferenceFoundException e) {
+      Assert.fail(e.getMessage());
+    }
+  }
+
+  private void compileToDexWithJack(File source, File dex) {
+    String[] args = new String[]{"java", "-jar", jackJar.getAbsolutePath(),
+        "-cp", coreStubsMini.getAbsolutePath(),
+        "-o", dex.getAbsolutePath(), "--ecj", source.getAbsolutePath()};
+
+    ExecuteFile execFile = new ExecuteFile(args);
+    if (!execFile.run()) {
+      throw new RuntimeException("Jack exited with an error");
+    }
+
+  }
+
+}