| // 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.rewrite.staticvalues.inlibraries; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.ToolHelper; |
| import com.android.tools.r8.jasmin.JasminBuilder; |
| import com.android.tools.r8.smali.SmaliBuilder; |
| import com.android.tools.r8.utils.DescriptorUtils; |
| import com.android.tools.r8.utils.FileUtils; |
| import com.android.tools.r8.utils.PreloadedClassFileProvider; |
| import com.google.common.collect.ImmutableList; |
| import java.nio.file.Path; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| @RunWith(Parameterized.class) |
| public class StaticLibraryValuesChangeTest extends TestBase { |
| |
| private final TestParameters parameters; |
| |
| @Parameterized.Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withDexRuntimes().build(); |
| } |
| |
| public StaticLibraryValuesChangeTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testStatic() throws Exception { |
| /* |
| * Three versions of the class LibraryClass is used in the test: |
| * |
| * * one in Java code, where field x is "public static int x = 1" (not final) |
| * * one in Jasmin code, where field x is "public static final int x = 2" |
| * * int in smali code, where field x is "public static final int x = 3" |
| * |
| * The first version is used to compile TestMain with javac. This causes the field accessor |
| * for x to be in the code for TestMain.main. As javac will inline compile-time constants |
| * it cannot be declared "final" here. |
| * |
| * The second version is used as a library class when compiling the javac compiled TestMain |
| * with R8. |
| * |
| * The third version is used for running the R8 compiled TestMain on Art. |
| */ |
| |
| // Build the second version of LibraryClass |
| JasminBuilder compileTimeLibrary = new JasminBuilder(); |
| JasminBuilder.ClassBuilder clazz = compileTimeLibrary.addClass( |
| "com.android.tools.r8.rewrite.staticvalues.inlibraries.LibraryClass"); |
| clazz.addStaticFinalField("x", "I", "2"); |
| clazz.addStaticMethod("getX", ImmutableList.of(), "I", |
| ".limit stack 1", |
| ".limit locals 0", |
| " iconst_2", |
| " ireturn"); |
| |
| // Build the third version of LibraryClass |
| SmaliBuilder runtimeLibrary = new SmaliBuilder(LibraryClass.class.getCanonicalName()); |
| runtimeLibrary.addStaticField("x", "I", "3"); |
| runtimeLibrary.addStaticMethod( |
| "int", |
| "getX", |
| ImmutableList.of(), |
| 1, |
| " const/4 v0, 3", |
| " return v0" |
| ); |
| |
| Path lib = temp.newFile("lib.dex").toPath().toAbsolutePath(); |
| FileUtils.writeToFile(lib, null, runtimeLibrary.compile()); |
| |
| testForR8(parameters.getBackend()) |
| .setMinApi(parameters.getRuntime()) |
| .addProgramClasses(TestMain.class) |
| .addLibraryFiles(ToolHelper.getDefaultAndroidJar()) |
| // Compile TestMain with R8 using the second version of LibraryClass as library. |
| .addLibraryProvider(PreloadedClassFileProvider.fromClassData( |
| DescriptorUtils.javaTypeToDescriptor(LibraryClass.class.getName()), |
| compileTimeLibrary.buildClasses().get(0))) |
| .noTreeShaking() |
| .noMinification() |
| .compile() |
| // Merge the compiled TestMain with the runtime version of LibraryClass. |
| .addRunClasspathFiles(lib) |
| .run(parameters.getRuntime(), TestMain.class) |
| .assertSuccessWithOutput("33"); |
| } |
| } |