| // Copyright (c) 2021, 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.apimodel; |
| |
| import static com.android.tools.r8.apimodel.ApiModelingTestHelper.setMockApiLevelForClass; |
| import static com.android.tools.r8.apimodel.ApiModelingTestHelper.setMockApiLevelForDefaultInstanceInitializer; |
| import static com.android.tools.r8.apimodel.ApiModelingTestHelper.setMockApiLevelForMethod; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.references.MethodReference; |
| import com.android.tools.r8.references.Reference; |
| import com.android.tools.r8.testing.AndroidBuildVersion; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import java.lang.reflect.Constructor; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class ApiModelObjectInitTest extends TestBase { |
| |
| @Parameter() public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimesAndApiLevels().build(); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| boolean addToClassPath = |
| parameters.isDexRuntime() |
| && parameters.getApiLevel().isGreaterThanOrEqualTo(AndroidApiLevel.L); |
| Constructor<LibraryClass> declaredConstructor = |
| LibraryClass.class.getDeclaredConstructor(int.class); |
| MethodReference shouldBeL = |
| Reference.methodFromMethod(Main.class.getDeclaredMethod("shouldBeL")); |
| MethodReference shouldBeN = |
| Reference.methodFromMethod(Main.class.getDeclaredMethod("shouldBeN")); |
| testForR8(parameters.getBackend()) |
| .addProgramClassFileData( |
| transformer(Main.class) |
| // We replace java.lang.Object.toString with LibraryClass.toString |
| .transformMethodInsnInMethod( |
| "main", |
| (opcode, owner, name, descriptor, isInterface, visitor) -> { |
| if (name.equals("toString") && owner.equals(binaryName(Object.class))) { |
| visitor.visitMethodInsn( |
| opcode, binaryName(LibraryClass.class), name, descriptor, isInterface); |
| } else { |
| visitor.visitMethodInsn(opcode, owner, name, descriptor, isInterface); |
| } |
| }) |
| .transform()) |
| .addLibraryClasses(LibraryClass.class) |
| .addDefaultRuntimeLibrary(parameters) |
| .setMinApi(parameters.getApiLevel()) |
| .apply(ApiModelingTestHelper::disableOutliningAndStubbing) |
| .apply(setMockApiLevelForClass(LibraryClass.class, AndroidApiLevel.L)) |
| .apply(setMockApiLevelForMethod(declaredConstructor, AndroidApiLevel.L)) |
| .apply(setMockApiLevelForDefaultInstanceInitializer(LibraryClass.class, AndroidApiLevel.N)) |
| .apply( |
| ApiModelingTestHelper.addTracedApiReferenceLevelCallBack( |
| (methodReference, apiLevel) -> { |
| AndroidApiLevel currentLevel = |
| parameters.isCfRuntime() ? AndroidApiLevel.B : parameters.getApiLevel(); |
| if (methodReference.equals(shouldBeL)) { |
| Assert.assertEquals(AndroidApiLevel.L.max(currentLevel), apiLevel); |
| } |
| if (methodReference.equals(shouldBeN)) { |
| Assert.assertEquals(AndroidApiLevel.N.max(currentLevel), apiLevel); |
| } |
| })) |
| .addKeepMainRule(Main.class) |
| .addAndroidBuildVersion() |
| .enableInliningAnnotations() |
| .compile() |
| .applyIf(addToClassPath, b -> b.addRunClasspathClasses(LibraryClass.class)) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLinesIf(!addToClassPath, "Old") |
| .assertSuccessWithOutputLinesIf(addToClassPath, "New"); |
| } |
| |
| public static class LibraryClass { |
| |
| public LibraryClass() { |
| // Default constructor |
| } |
| |
| public LibraryClass(int i) { |
| // Non default constructor. |
| } |
| } |
| |
| public static class Main { |
| |
| @NeverInline |
| public static void shouldBeL() { |
| LibraryClass libraryClass = new LibraryClass(1); |
| } |
| |
| @NeverInline |
| public static void shouldBeN() { |
| if (new LibraryClass().toString().equals("FOO")) { |
| throw new RuntimeException("Unexpected toString value"); |
| } |
| } |
| |
| public static void main(String[] args) { |
| if (AndroidBuildVersion.VERSION >= 21) { |
| shouldBeL(); |
| shouldBeN(); |
| System.out.println("New"); |
| } else { |
| System.out.println("Old"); |
| } |
| } |
| } |
| } |