| // Copyright (c) 2022, 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.naming.retrace; |
| |
| import static com.android.tools.r8.naming.retrace.StackTrace.isSame; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresentAndRenamed; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| |
| import com.android.tools.r8.NeverInline; |
| import com.android.tools.r8.NoMethodStaticizing; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.utils.BooleanUtils; |
| import com.android.tools.r8.utils.codeinspector.ClassSubject; |
| import com.android.tools.r8.utils.codeinspector.MethodSubject; |
| import java.util.List; |
| import org.junit.Before; |
| 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 RetraceInlineeWithNullCheckInlinedTest extends TestBase { |
| |
| @Parameter(0) |
| public TestParameters parameters; |
| |
| @Parameter(1) |
| public boolean throwReceiverNpe; |
| |
| @Parameters(name = "{0}, throwReceiverNpe: {1}") |
| public static List<Object[]> data() { |
| return buildParameters( |
| getTestParameters().withAllRuntimes().withAllApiLevelsAlsoForCf().build(), |
| BooleanUtils.values()); |
| } |
| |
| public StackTrace expectedStackTrace; |
| |
| @Before |
| public void setup() throws Exception { |
| // Get the expected stack trace by running on the JVM. |
| expectedStackTrace = |
| testForRuntime(parameters) |
| .addProgramClasses(Caller.class, Foo.class) |
| .run(parameters.getRuntime(), Caller.class, getArgs()) |
| .getStackTrace(); |
| } |
| |
| @Test |
| public void testR8() throws Exception { |
| parameters.assumeR8TestParameters(); |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(getClass()) |
| .addKeepMainRule(Caller.class) |
| .addKeepAttributeLineNumberTable() |
| .addKeepAttributeSourceFile() |
| .setMinApi(parameters) |
| .enableInliningAnnotations() |
| .enableNoMethodStaticizingAnnotations() |
| .run(parameters.getRuntime(), Caller.class, getArgs()) |
| .assertFailureWithErrorThatThrows(NullPointerException.class) |
| .inspectStackTrace( |
| (stackTrace, inspector) -> { |
| ClassSubject callerClass = inspector.clazz(Caller.class); |
| assertThat(callerClass, isPresent()); |
| MethodSubject outerCaller = callerClass.uniqueMethodWithOriginalName("outerCaller"); |
| assertThat(outerCaller, isPresentAndRenamed()); |
| assertThat(stackTrace, isSame(expectedStackTrace)); |
| }); |
| } |
| |
| private String[] getArgs() { |
| return throwReceiverNpe ? new String[] {"Foo"} : new String[0]; |
| } |
| |
| static class Foo { |
| @NeverInline |
| @NoMethodStaticizing |
| Object notInlinable() { |
| System.out.println("Hello, world!"); |
| throw new NullPointerException("Foo"); |
| } |
| |
| Object inlinable() { |
| return notInlinable(); |
| } |
| } |
| |
| static class Caller { |
| |
| static void caller(Foo f) { |
| Object inlinable = f.inlinable(); |
| System.out.println(inlinable == null ? "null" : "some"); |
| } |
| |
| @NeverInline |
| public static void outerCaller(Foo f) { |
| // caller should be inlined here as is. When inlinable is inlined into caller, it is done so |
| // without synthesizing a null check since the call notInlineable will throw an NPE if not |
| // staticized. We have this outer caller to check that stack traces still work correctly |
| // when the bit on throwing NPE is inlined. |
| caller(f); |
| } |
| |
| public static void main(String[] args) { |
| outerCaller(args.length == 0 ? new Foo() : null); |
| } |
| } |
| } |