| // 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.jasmin; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import com.android.tools.r8.jasmin.JasminBuilder.ClassFileVersion; |
| import com.google.common.collect.ImmutableList; |
| import org.junit.Test; |
| |
| public class BooleanByteConfusion extends JasminTestBase { |
| |
| private void runTest(JasminBuilder builder, String main) throws Exception { |
| String javaResult = runOnJava(builder, main); |
| String artResult = runOnArtD8(builder, main); |
| assertEquals(javaResult, artResult); |
| String dxArtResult = runOnArtDx(builder, main); |
| assertEquals(javaResult, dxArtResult); |
| } |
| |
| @Test |
| public void booleanByteConfusion() throws Exception { |
| JasminBuilder builder = new JasminBuilder(ClassFileVersion.JDK_1_4); |
| JasminBuilder.ClassBuilder clazz = builder.addClass("Test"); |
| |
| // public static void foo(boolean condition) { |
| // boolean[][] array = null; |
| // if (condition) { |
| // array = new boolean[][] { {true}, {false} }; |
| // } |
| // if (array != null) { |
| // System.out.println(array[0][0]); |
| // System.out.println(array[1][0]); |
| // } else { |
| // System.out.println("null array"); |
| // } |
| // } |
| clazz.addStaticMethod("foo", ImmutableList.of("Z"), "V", |
| ".limit stack 10", |
| ".limit locals 10", |
| " aconst_null", |
| // Compiling with new versions of javac seem to always put in this check cast, but it |
| // is not strictly required and some versions of javac seem to not emit it. The class |
| // file is still valid and runs, so we should be able to deal with it as well. |
| // |
| // " checkcast [[Z", |
| // |
| " astore_1", |
| " iload_0", |
| " ifeq Target", |
| " iconst_2", |
| " anewarray [Z", |
| " dup", |
| " iconst_0", |
| " iconst_1", |
| " newarray boolean", |
| " dup", |
| " iconst_0", |
| " iconst_1", |
| " bastore", |
| " aastore", |
| " dup", |
| " iconst_1", |
| " iconst_1", |
| " newarray boolean", |
| " dup", |
| " iconst_0", |
| " iconst_0", |
| " bastore", |
| " aastore", |
| " astore_1", |
| "Target:", |
| " aload_1", |
| " ifnull PrintNull", |
| " getstatic java/lang/System/out Ljava/io/PrintStream;", |
| " aload_1", |
| " iconst_0", |
| " aaload", |
| " iconst_0", |
| " baload", |
| " invokevirtual java/io/PrintStream/println(Z)V", |
| " getstatic java/lang/System.out Ljava/io/PrintStream;", |
| " aload_1", |
| " iconst_1", |
| " aaload", |
| " iconst_0", |
| " baload", |
| " invokevirtual java/io/PrintStream.println(Z)V", |
| " goto Return", |
| "PrintNull:", |
| " getstatic java/lang/System.out Ljava/io/PrintStream;", |
| " ldc \"null array\"", |
| " invokevirtual java/io/PrintStream.println(Ljava/lang/String;)V", |
| "Return:", |
| " return"); |
| |
| // public static void main(String args[]) { |
| // foo(true); |
| // foo(false); |
| // } |
| clazz.addMainMethod( |
| ".limit stack 2", |
| ".limit locals 10", |
| " iconst_1", |
| " invokestatic Test/foo(Z)V", |
| " iconst_0", |
| " invokestatic Test/foo(Z)V", |
| " return"); |
| |
| runTest(builder, clazz.name); |
| } |
| } |