| // Copyright (c) 2019, 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.desugar.constantdynamic; |
| |
| import static com.android.tools.r8.DiagnosticsMatcher.diagnosticMessage; |
| import static com.android.tools.r8.DiagnosticsMatcher.diagnosticType; |
| import static org.hamcrest.CoreMatchers.allOf; |
| import static org.hamcrest.CoreMatchers.containsString; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assume.assumeTrue; |
| import static org.objectweb.asm.Opcodes.H_INVOKESTATIC; |
| |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.DiagnosticsLevel; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.TestRuntime.CfVm; |
| import com.android.tools.r8.errors.ConstantDynamicDesugarDiagnostic; |
| import com.android.tools.r8.errors.UnsupportedConstDynamicDiagnostic; |
| import com.android.tools.r8.errors.UnsupportedFeatureDiagnostic; |
| import com.android.tools.r8.utils.AndroidApiLevel; |
| import java.io.IOException; |
| 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; |
| import org.objectweb.asm.ConstantDynamic; |
| import org.objectweb.asm.Handle; |
| |
| @RunWith(Parameterized.class) |
| public class ConstantDynamicHolderTest extends TestBase { |
| |
| @Parameter() public TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().withAllApiLevelsAlsoForCf().build(); |
| } |
| |
| @Test |
| public void testReference() throws Exception { |
| assumeTrue(parameters.isCfRuntime()); |
| assumeTrue(parameters.asCfRuntime().isNewerThanOrEqual(CfVm.JDK11)); |
| assumeTrue(parameters.getApiLevel().isEqualTo(AndroidApiLevel.B)); |
| |
| testForJvm() |
| .addProgramClassFileData(getTransformedMain()) |
| .run(parameters.getRuntime(), Main.class) |
| .assertSuccessWithOutputLines("null"); |
| } |
| |
| @Test |
| public void testD8() throws Exception { |
| assumeTrue(parameters.isDexRuntime()); |
| |
| testForD8() |
| .addProgramClassFileData(getTransformedMain()) |
| .setMinApi(parameters.getApiLevel()) |
| .setDiagnosticsLevelModifier( |
| (level, diagnostic) -> |
| (diagnostic instanceof UnsupportedFeatureDiagnostic |
| || diagnostic instanceof ConstantDynamicDesugarDiagnostic) |
| ? DiagnosticsLevel.WARNING |
| : level) |
| .compileWithExpectedDiagnostics( |
| diagnostics -> |
| diagnostics.assertWarningsMatch( |
| diagnosticType(UnsupportedConstDynamicDiagnostic.class), |
| allOf( |
| diagnosticType(ConstantDynamicDesugarDiagnostic.class), |
| diagnosticMessage( |
| containsString( |
| "Unsupported dynamic constant (runtime provided bootstrap" |
| + " method)"))))) |
| .run(parameters.getRuntime(), Main.class) |
| .assertFailureWithErrorThatThrows(RuntimeException.class) |
| .assertFailureWithErrorThatMatches(containsString("const-dynamic")); |
| } |
| |
| // TODO(b/198142625): Support const-dynamic in IR CF/CF. |
| @Test(expected = CompilationFailedException.class) |
| public void testR8Cf() throws Exception { |
| assumeTrue(parameters.isCfRuntime()); |
| assumeTrue(parameters.asCfRuntime().isNewerThanOrEqual(CfVm.JDK11)); |
| assumeTrue(parameters.getApiLevel().isEqualTo(AndroidApiLevel.B)); |
| |
| testForR8(parameters.getBackend()) |
| .addProgramClassFileData(getTransformedMain()) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMainRule(Main.class) |
| .compile(); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| assumeTrue(parameters.isDexRuntime()); |
| |
| testForR8(parameters.getBackend()) |
| .addProgramClassFileData(getTransformedMain()) |
| .setMinApi(parameters.getApiLevel()) |
| .addKeepMainRule(Main.class) |
| .allowDiagnosticWarningMessages() |
| .mapUnsupportedFeaturesToWarnings() |
| .compileWithExpectedDiagnostics( |
| diagnostics -> { |
| if (parameters.isDexRuntime()) { |
| diagnostics.assertWarningsMatch( |
| allOf( |
| diagnosticType(UnsupportedFeatureDiagnostic.class), |
| diagnosticMessage(containsString("const-dynamic")))); |
| } |
| }) |
| .run(parameters.getRuntime(), Main.class) |
| .assertFailureWithErrorThatThrows(RuntimeException.class) |
| .assertFailureWithErrorThatMatches(containsString("const-dynamic")); |
| } |
| |
| private byte[] getTransformedMain() throws IOException { |
| return transformer(Main.class) |
| .setMinVersion(CfVm.JDK11) |
| .transformLdcInsnInMethod( |
| "main", |
| (value, continuation) -> { |
| assertEquals("replaced by dynamic null constant", value); |
| continuation.visitLdcInsn(getDynamicConstant()); |
| }) |
| .transform(); |
| } |
| |
| private ConstantDynamic getDynamicConstant() { |
| return new ConstantDynamic( |
| "dynamicnull", |
| "Ljava/lang/String;", |
| new Handle( |
| H_INVOKESTATIC, |
| "java/lang/invoke/ConstantBootstraps", |
| "nullConstant", |
| "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/Class;)" |
| + "Ljava/lang/Object;", |
| false)); |
| } |
| |
| static class Main { |
| |
| public static void main(String[] args) { |
| System.out.println("replaced by dynamic null constant"); |
| } |
| } |
| } |