| // 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.debuginfo; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.utils.AndroidApp; |
| import org.junit.Test; |
| |
| public class BackBranchToSelfTestRunner extends DebugInfoTestBase { |
| |
| @Test |
| public void testBackBranchToSelf() throws Exception { |
| Class clazz = BackBranchToSelfTest.class; |
| |
| AndroidApp d8App = compileWithD8(clazz); |
| AndroidApp dxApp = getDxCompiledSources(); |
| |
| String expected = "42"; |
| assertEquals(expected, runOnJava(clazz)); |
| assertEquals(expected, runOnArt(d8App, clazz.getCanonicalName())); |
| assertEquals(expected, runOnArt(dxApp, clazz.getCanonicalName())); |
| |
| checkBackBranchToSelf(inspectMethod(d8App, clazz, "int", "backBranchToSelf", "boolean"), false); |
| checkBackBranchToSelf(inspectMethod(dxApp, clazz, "int", "backBranchToSelf", "boolean"), true); |
| } |
| |
| private void checkBackBranchToSelf(DebugInfoInspector info, boolean dx) { |
| if (dx) { |
| info.checkStartLine(10); |
| // b/37494646 D8/R8 if-simplification has replaced if by a goto and lost this position. |
| info.checkLineHasExactLocals(10, "loop", "boolean"); |
| } else { |
| // D8/R8 will always start at the first debuggable line. |
| info.checkStartLine(13); |
| } |
| info.checkNoLine(11); |
| info.checkNoLine(12); |
| info.checkLineHasExactLocals(13, "loop", "boolean"); |
| info.checkLineHasExactLocals(14, "loop", "boolean"); |
| } |
| } |