src/test/java/com/android/tools/r8/debug/ExceptionTest.java

// Copyright (c) 2017, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
package com.android.tools.r8.debug;

import org.junit.Test;

/**
 * Tests debugging behavior with regards to exception handling
 */
public class ExceptionTest extends DebugTestBase {

  public static final String SOURCE_FILE = "Exceptions.java";
  public static final boolean RUN_JAVA = false;

  @Test
  public void testStepOnCatch() throws Throwable {
    if (RUN_JAVA) {
      // Java jumps to first instruction of the catch handler, matching the source code.
      runDebugTest(
          DebuggeePath.makeClassFile(DEBUGGEE_JAR),
          "Exceptions",
          breakpoint("Exceptions", "catchException"),
          run(),
          checkLine(SOURCE_FILE, 9), // line of the method call throwing the exception
          stepOver(),
          checkLine(SOURCE_FILE, 11), // first line in the catch handler
          checkLocal("e"),
          run());
    } else {
      // ART/Dalvik jumps to 'move-exception' which initializes the local variable with the pending
      // exception. Thus it is "attached" to the line declaring the exception in the catch handler.
      runDebugTest("Exceptions",
          breakpoint("Exceptions", "catchException"),
          run(),
          checkLine(SOURCE_FILE, 9), // line of the method call throwing the exception
          stepOver(),
          checkLine(SOURCE_FILE, 10), // line of the catch declaration
          checkNoLocal("e"),
          stepOver(),
          checkLine(SOURCE_FILE, 11), // first line in the catch handler
          checkLocal("e"),
          run());
    }
  }

}