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// 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.rewrite.assertions;
import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import com.android.tools.r8.AssertionsConfiguration;
import com.android.tools.r8.D8TestBuilder;
import com.android.tools.r8.R8FullTestBuilder;
import com.android.tools.r8.TestBase;
import com.android.tools.r8.TestParameters;
import com.android.tools.r8.TestParametersCollection;
import com.android.tools.r8.ThrowableConsumer;
import com.android.tools.r8.rewrite.assertions.testclasses.TestClassForInnerClass;
import com.android.tools.r8.utils.StringUtils;
import com.android.tools.r8.utils.ThrowingConsumer;
import com.android.tools.r8.utils.codeinspector.ClassSubject;
import com.android.tools.r8.utils.codeinspector.CodeInspector;
import com.android.tools.r8.utils.codeinspector.InstructionSubject;
import com.google.common.collect.ImmutableList;
import java.util.List;
import org.junit.Assume;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;
@RunWith(Parameterized.class)
public class AssertionsConfigurationTest extends TestBase implements Opcodes {
private final TestParameters parameters;
private Class<?> class1 = com.android.tools.r8.rewrite.assertions.testclasses.Class1.class;
private Class<?> class2 = com.android.tools.r8.rewrite.assertions.testclasses.Class2.class;
private Class<?> subpackageClass1 =
com.android.tools.r8.rewrite.assertions.testclasses.subpackage.Class1.class;
private Class<?> subpackageClass2 =
com.android.tools.r8.rewrite.assertions.testclasses.subpackage.Class2.class;
private List<Class<?>> testClasses =
ImmutableList.of(TestClass.class, class1, class2, subpackageClass1, subpackageClass2);
private String packageName =
com.android.tools.r8.rewrite.assertions.testclasses.Class1.class.getPackage().getName();
private String subPackageName =
com.android.tools.r8.rewrite.assertions.testclasses.subpackage.Class1.class
.getPackage()
.getName();
@Parameterized.Parameters(name = "{0}")
public static TestParametersCollection data() {
return getTestParameters().withAllRuntimes().withAllApiLevels().build();
}
public AssertionsConfigurationTest(TestParameters parameters) {
this.parameters = parameters;
}
private void runD8Test(
ThrowableConsumer<D8TestBuilder> builderConsumer,
ThrowingConsumer<CodeInspector, RuntimeException> inspector,
List<String> outputLines)
throws Exception {
testForD8()
.addProgramClasses(testClasses)
.setMinApi(parameters.getApiLevel())
.apply(builderConsumer)
.compile()
.inspect(inspector)
.run(parameters.getRuntime(), TestClass.class)
.assertSuccessWithOutput(StringUtils.lines(outputLines));
}
public void runR8Test(
ThrowableConsumer<R8FullTestBuilder> builderConsumer,
ThrowingConsumer<CodeInspector, RuntimeException> inspector,
List<String> outputLines)
throws Exception {
runR8Test(builderConsumer, inspector, outputLines, false);
}
public void runR8Test(
ThrowableConsumer<R8FullTestBuilder> builderConsumer,
ThrowingConsumer<CodeInspector, RuntimeException> inspector,
List<String> outputLines,
boolean enableJvmAssertions)
throws Exception {
testForR8(parameters.getBackend())
.addProgramClasses(testClasses)
.addKeepMainRule(TestClass.class)
.addKeepClassAndMembersRules(class1, class2, subpackageClass1, subpackageClass2)
.setMinApi(parameters.getApiLevel())
.apply(builderConsumer)
.compile()
.inspect(inspector)
.enableRuntimeAssertions(enableJvmAssertions)
.run(parameters.getRuntime(), TestClass.class)
.assertSuccessWithOutput(StringUtils.lines(outputLines));
}
private List<String> allAssertionsExpectedLines() {
return ImmutableList.of(
"AssertionError in testclasses.Class1",
"AssertionError in testclasses.Class2",
"AssertionError in testclasses.subpackage.Class1",
"AssertionError in testclasses.subpackage.Class2",
"DONE");
}
private List<String> noAllAssertionsExpectedLines() {
return ImmutableList.of("DONE");
}
private void checkAssertionCodeRemoved(ClassSubject subject) {
assertThat(subject, isPresent());
// <clinit> is removed by R8 as it becomes empty.
if (subject.uniqueMethodWithName("<clinit>").isPresent()) {
assertFalse(
subject
.uniqueMethodWithName("<clinit>")
.streamInstructions()
.anyMatch(InstructionSubject::isStaticPut));
}
assertFalse(
subject
.uniqueMethodWithName("m")
.streamInstructions()
.anyMatch(InstructionSubject::isThrow));
}
private void checkAssertionCodeRemoved(CodeInspector inspector, Class<?> clazz) {
checkAssertionCodeRemoved(inspector.clazz(clazz));
}
private void checkAssertionCodeEnabled(ClassSubject subject) {
assertThat(subject, isPresent());
// <clinit> is removed by R8.
if (subject.uniqueMethodWithName("<clinit>").isPresent()) {
assertFalse(
subject
.uniqueMethodWithName("<clinit>")
.streamInstructions()
.anyMatch(InstructionSubject::isStaticPut));
}
assertTrue(
subject
.uniqueMethodWithName("m")
.streamInstructions()
.anyMatch(InstructionSubject::isThrow));
}
private void checkAssertionCodeEnabled(CodeInspector inspector, Class<?> clazz) {
checkAssertionCodeEnabled(inspector.clazz(clazz));
}
private void checkAssertionCodeLeft(CodeInspector inspector, Class<?> clazz) {
ClassSubject subject = inspector.clazz(clazz);
assertThat(subject, isPresent());
assertTrue(
subject
.uniqueMethodWithName("<clinit>")
.streamInstructions()
.anyMatch(InstructionSubject::isStaticPut));
assertTrue(
subject
.uniqueMethodWithName("m")
.streamInstructions()
.anyMatch(InstructionSubject::isThrow));
}
private void checkAssertionCodeRemoved(CodeInspector inspector) {
checkAssertionCodeRemoved(inspector, class1);
checkAssertionCodeRemoved(inspector, class2);
checkAssertionCodeRemoved(inspector, subpackageClass1);
checkAssertionCodeRemoved(inspector, subpackageClass2);
}
private void checkAssertionCodeEnabled(CodeInspector inspector) {
checkAssertionCodeEnabled(inspector, class1);
checkAssertionCodeEnabled(inspector, class2);
checkAssertionCodeEnabled(inspector, subpackageClass1);
checkAssertionCodeEnabled(inspector, subpackageClass2);
}
private void checkAssertionCodeLeft(CodeInspector inspector) {
checkAssertionCodeLeft(inspector, class1);
checkAssertionCodeLeft(inspector, class2);
checkAssertionCodeLeft(inspector, subpackageClass1);
checkAssertionCodeLeft(inspector, subpackageClass2);
}
@Test
public void testAssertionsForDex() throws Exception {
Assume.assumeTrue(parameters.isDexRuntime());
// Leaving assertions in or disabling them on Dalvik/Art means no assertions.
runD8Test(
builder ->
builder.addAssertionsConfiguration(
AssertionsConfiguration.Builder::passthroughAllAssertions),
this::checkAssertionCodeLeft,
noAllAssertionsExpectedLines());
runR8Test(
builder ->
builder.addAssertionsConfiguration(
AssertionsConfiguration.Builder::passthroughAllAssertions),
this::checkAssertionCodeLeft,
noAllAssertionsExpectedLines());
runD8Test(
builder ->
builder.addAssertionsConfiguration(
AssertionsConfiguration.Builder::disableAllAssertions),
this::checkAssertionCodeRemoved,
noAllAssertionsExpectedLines());
runR8Test(
builder ->
builder.addAssertionsConfiguration(
AssertionsConfiguration.Builder::disableAllAssertions),
this::checkAssertionCodeRemoved,
noAllAssertionsExpectedLines());
// Compile time enabling assertions gives assertions on Dalvik/Art.
runD8Test(
builder ->
builder.addAssertionsConfiguration(
AssertionsConfiguration.Builder::enableAllAssertions),
this::checkAssertionCodeEnabled,
allAssertionsExpectedLines());
runR8Test(
builder ->
builder.addAssertionsConfiguration(
AssertionsConfiguration.Builder::enableAllAssertions),
this::checkAssertionCodeEnabled,
allAssertionsExpectedLines());
// Enabling for the package should enable all.
runD8Test(
builder ->
builder.addAssertionsConfiguration(
b -> b.setEnable().setScopePackage(packageName).build()),
this::checkAssertionCodeEnabled,
allAssertionsExpectedLines());
runR8Test(
builder ->
builder.addAssertionsConfiguration(
b -> b.setEnable().setScopePackage(packageName).build()),
this::checkAssertionCodeEnabled,
allAssertionsExpectedLines());
}
@Test
public void testAssertionsForCf() throws Exception {
Assume.assumeTrue(parameters.isCfRuntime());
// Leaving assertion code means assertions are controlled by the -ea flag.
runR8Test(
builder ->
builder.addAssertionsConfiguration(
AssertionsConfiguration.Builder::passthroughAllAssertions),
this::checkAssertionCodeLeft,
noAllAssertionsExpectedLines());
runR8Test(
builder ->
builder.addAssertionsConfiguration(
AssertionsConfiguration.Builder::passthroughAllAssertions),
this::checkAssertionCodeLeft,
allAssertionsExpectedLines(),
true);
// Compile time enabling or disabling assertions means the -ea flag has no effect.
runR8Test(
builder ->
builder.addAssertionsConfiguration(
AssertionsConfiguration.Builder::enableAllAssertions),
this::checkAssertionCodeEnabled,
allAssertionsExpectedLines());
runR8Test(
builder ->
builder.addAssertionsConfiguration(
AssertionsConfiguration.Builder::enableAllAssertions),
this::checkAssertionCodeEnabled,
allAssertionsExpectedLines(),
true);
runR8Test(
builder ->
builder.addAssertionsConfiguration(
AssertionsConfiguration.Builder::disableAllAssertions),
this::checkAssertionCodeRemoved,
noAllAssertionsExpectedLines());
runR8Test(
builder ->
builder.addAssertionsConfiguration(
AssertionsConfiguration.Builder::disableAllAssertions),
this::checkAssertionCodeRemoved,
noAllAssertionsExpectedLines(),
true);
}
@Test
public void testEnableForPackageForDex() throws Exception {
Assume.assumeTrue(parameters.isDexRuntime());
runD8Test(
builder ->
builder.addAssertionsConfiguration(
b -> b.setEnable().setScopePackage(subPackageName).build()),
inspector -> {
checkAssertionCodeEnabled(inspector, subpackageClass1);
checkAssertionCodeEnabled(inspector, subpackageClass2);
},
ImmutableList.of(
"AssertionError in testclasses.subpackage.Class1",
"AssertionError in testclasses.subpackage.Class2",
"DONE"));
runR8Test(
builder ->
builder.addAssertionsConfiguration(
b -> b.setEnable().setScopePackage(subPackageName).build()),
inspector -> {
checkAssertionCodeEnabled(inspector, subpackageClass1);
checkAssertionCodeEnabled(inspector, subpackageClass2);
},
ImmutableList.of(
"AssertionError in testclasses.subpackage.Class1",
"AssertionError in testclasses.subpackage.Class2",
"DONE"));
}
@Test
public void testEnableForClassForDex() throws Exception {
Assume.assumeTrue(parameters.isDexRuntime());
runD8Test(
builder ->
builder
.addAssertionsConfiguration(
b -> b.setEnable().setScopeClass(class1.getCanonicalName()).build())
.addAssertionsConfiguration(
b -> b.setEnable().setScopeClass(subpackageClass2.getCanonicalName()).build()),
inspector -> {
checkAssertionCodeEnabled(inspector, class1);
checkAssertionCodeEnabled(inspector, subpackageClass2);
},
ImmutableList.of(
"AssertionError in testclasses.Class1",
"AssertionError in testclasses.subpackage.Class2",
"DONE"));
runR8Test(
builder ->
builder
.addAssertionsConfiguration(
b -> b.setEnable().setScopeClass(class1.getCanonicalName()).build())
.addAssertionsConfiguration(
b -> b.setEnable().setScopeClass(subpackageClass2.getCanonicalName()).build()),
inspector -> {
checkAssertionCodeEnabled(inspector, class1);
checkAssertionCodeEnabled(inspector, subpackageClass2);
},
ImmutableList.of(
"AssertionError in testclasses.Class1",
"AssertionError in testclasses.subpackage.Class2",
"DONE"));
}
@Test
public void testMixedForDex() throws Exception {
Assume.assumeTrue(parameters.isDexRuntime());
runD8Test(
builder ->
builder
.addAssertionsConfiguration(b -> b.setEnable().setScopePackage(packageName).build())
.addAssertionsConfiguration(
b -> b.setDisable().setScopeClass(class2.getCanonicalName()).build())
.addAssertionsConfiguration(
b -> b.setDisable().setScopeClass(subpackageClass1.getCanonicalName()).build()),
inspector -> {
checkAssertionCodeEnabled(inspector, class1);
checkAssertionCodeRemoved(inspector, class2);
checkAssertionCodeRemoved(inspector, subpackageClass1);
checkAssertionCodeEnabled(inspector, subpackageClass2);
},
ImmutableList.of(
"AssertionError in testclasses.Class1",
"AssertionError in testclasses.subpackage.Class2",
"DONE"));
runR8Test(
builder ->
builder
.addAssertionsConfiguration(b -> b.setEnable().setScopePackage(packageName).build())
.addAssertionsConfiguration(
b -> b.setDisable().setScopeClass(class2.getCanonicalName()).build())
.addAssertionsConfiguration(
b -> b.setDisable().setScopeClass(subpackageClass1.getCanonicalName()).build()),
inspector -> {
checkAssertionCodeEnabled(inspector, class1);
checkAssertionCodeRemoved(inspector, class2);
checkAssertionCodeRemoved(inspector, subpackageClass1);
checkAssertionCodeEnabled(inspector, subpackageClass2);
},
ImmutableList.of(
"AssertionError in testclasses.Class1",
"AssertionError in testclasses.subpackage.Class2",
"DONE"));
}
@Test
public void testUnnamedPackageForDex() throws Exception {
Assume.assumeTrue(parameters.isDexRuntime());
testForD8()
.addProgramClasses(class1, class2)
.addProgramClassFileData(
testClassForUnknownPackage(),
classInUnnamedPackage("Class1"),
classInUnnamedPackage("Class2"))
.setMinApi(parameters.getApiLevel())
.addAssertionsConfiguration(builder -> builder.setEnable().setScopePackage("").build())
.compile()
.inspect(
inspector -> {
checkAssertionCodeEnabled(inspector.clazz("Class1"));
checkAssertionCodeEnabled(inspector.clazz("Class2"));
checkAssertionCodeRemoved(inspector.clazz(class1));
checkAssertionCodeRemoved(inspector.clazz(class2));
})
.run(parameters.getRuntime(), "Main")
.assertSuccessWithOutputLines(
"AssertionError in Class1", "AssertionError in Class2", "DONE");
}
@Test
public void testInnerClassForJvm() throws Exception {
Assume.assumeTrue(parameters.isCfRuntime());
// Pointing to the outer class enables assertions for the inner as well.
testForJvm()
.addProgramClasses(TestClassForInnerClass.class, TestClassForInnerClass.InnerClass.class)
.addVmArguments("-ea:" + TestClassForInnerClass.class.getCanonicalName())
.run(parameters.getRuntime(), TestClassForInnerClass.class)
.assertSuccessWithOutputLines(
"AssertionError in TestClassForInnerClass",
"AssertionError in TestClassForInnerClass.InnerClass",
"DONE");
// Pointing to the inner class enables no assertions.
testForJvm()
.addProgramClasses(TestClassForInnerClass.class, TestClassForInnerClass.InnerClass.class)
.addVmArguments("-ea:" + TestClassForInnerClass.InnerClass.class.getCanonicalName())
.run(parameters.getRuntime(), TestClassForInnerClass.class)
.assertSuccessWithOutputLines("DONE");
testForJvm()
.addProgramClasses(TestClassForInnerClass.class, TestClassForInnerClass.InnerClass.class)
.addVmArguments("-ea:" + TestClassForInnerClass.InnerClass.class.getTypeName())
.run(parameters.getRuntime(), TestClassForInnerClass.class)
.assertSuccessWithOutputLines("DONE");
}
@Test
public void testInnerClassForDex() throws Exception {
Assume.assumeTrue(parameters.isDexRuntime());
testForD8()
.addProgramClasses(TestClassForInnerClass.class, TestClassForInnerClass.InnerClass.class)
.setMinApi(parameters.getApiLevel())
.addAssertionsConfiguration(
builder ->
builder
.setEnable()
.setScopeClass(TestClassForInnerClass.class.getCanonicalName())
.build())
.compile()
.inspect(
inspector -> {
checkAssertionCodeEnabled(inspector.clazz(TestClassForInnerClass.class));
checkAssertionCodeEnabled(inspector.clazz(TestClassForInnerClass.InnerClass.class));
})
.run(parameters.getRuntime(), TestClassForInnerClass.class)
.assertSuccessWithOutputLines(
"AssertionError in TestClassForInnerClass",
"AssertionError in TestClassForInnerClass.InnerClass",
"DONE");
}
/**
* Code for the following class in the unnamed package:
*
* <p>public class Main { public static void main(String[] args) { try { Class1.m(); } catch
* (AssertionError e) { System.out.println("AssertionError in Class1"); } try { Class2.m(); }
* catch (AssertionError e) { System.out.println("AssertionError in Class2"); } try {
* com.android.tools.r8.rewrite.assertions.Class1.m(); } catch (AssertionError e) {
* System.out.println("AssertionError in Class1"); } try {
* com.android.tools.r8.rewrite.assertions.Class2.m(); } catch (AssertionError e) {
* System.out.println("AssertionError in Class2"); } System.out.println("DONE"); } }
*/
public static byte[] testClassForUnknownPackage() {
ClassWriter classWriter = new ClassWriter(0);
MethodVisitor methodVisitor;
classWriter.visit(V1_8, ACC_FINAL | ACC_SUPER, "Main", null, "java/lang/Object", null);
classWriter.visitSource("Main.java", null);
{
methodVisitor = classWriter.visitMethod(0, "<init>", "()V", null, null);
methodVisitor.visitCode();
Label label0 = new Label();
methodVisitor.visitLabel(label0);
methodVisitor.visitLineNumber(1, label0);
methodVisitor.visitVarInsn(ALOAD, 0);
methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
methodVisitor.visitInsn(RETURN);
methodVisitor.visitMaxs(1, 1);
methodVisitor.visitEnd();
}
{
methodVisitor =
classWriter.visitMethod(
ACC_PUBLIC | ACC_STATIC, "main", "([Ljava/lang/String;)V", null, null);
methodVisitor.visitCode();
Label label0 = new Label();
Label label1 = new Label();
Label label2 = new Label();
methodVisitor.visitTryCatchBlock(label0, label1, label2, "java/lang/AssertionError");
Label label3 = new Label();
Label label4 = new Label();
Label label5 = new Label();
methodVisitor.visitTryCatchBlock(label3, label4, label5, "java/lang/AssertionError");
Label label6 = new Label();
Label label7 = new Label();
Label label8 = new Label();
methodVisitor.visitTryCatchBlock(label6, label7, label8, "java/lang/AssertionError");
Label label9 = new Label();
Label label10 = new Label();
Label label11 = new Label();
methodVisitor.visitTryCatchBlock(label9, label10, label11, "java/lang/AssertionError");
methodVisitor.visitLabel(label0);
methodVisitor.visitLineNumber(4, label0);
methodVisitor.visitMethodInsn(INVOKESTATIC, "Class1", "m", "()V", false);
methodVisitor.visitLabel(label1);
methodVisitor.visitLineNumber(7, label1);
methodVisitor.visitJumpInsn(GOTO, label3);
methodVisitor.visitLabel(label2);
methodVisitor.visitLineNumber(5, label2);
methodVisitor.visitFrame(
Opcodes.F_SAME1, 0, null, 1, new Object[] {"java/lang/AssertionError"});
methodVisitor.visitVarInsn(ASTORE, 1);
Label label12 = new Label();
methodVisitor.visitLabel(label12);
methodVisitor.visitLineNumber(6, label12);
methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
methodVisitor.visitLdcInsn("AssertionError in Class1");
methodVisitor.visitMethodInsn(
INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
methodVisitor.visitLabel(label3);
methodVisitor.visitLineNumber(9, label3);
methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
methodVisitor.visitMethodInsn(INVOKESTATIC, "Class2", "m", "()V", false);
methodVisitor.visitLabel(label4);
methodVisitor.visitLineNumber(12, label4);
methodVisitor.visitJumpInsn(GOTO, label6);
methodVisitor.visitLabel(label5);
methodVisitor.visitLineNumber(10, label5);
methodVisitor.visitFrame(
Opcodes.F_SAME1, 0, null, 1, new Object[] {"java/lang/AssertionError"});
methodVisitor.visitVarInsn(ASTORE, 1);
Label label13 = new Label();
methodVisitor.visitLabel(label13);
methodVisitor.visitLineNumber(11, label13);
methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
methodVisitor.visitLdcInsn("AssertionError in Class2");
methodVisitor.visitMethodInsn(
INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
methodVisitor.visitLabel(label6);
methodVisitor.visitLineNumber(14, label6);
methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
methodVisitor.visitMethodInsn(
INVOKESTATIC,
"com/android/tools/r8/rewrite/assertions/testclasses/Class1",
"m",
"()V",
false);
methodVisitor.visitLabel(label7);
methodVisitor.visitLineNumber(17, label7);
methodVisitor.visitJumpInsn(GOTO, label9);
methodVisitor.visitLabel(label8);
methodVisitor.visitLineNumber(15, label8);
methodVisitor.visitFrame(
Opcodes.F_SAME1, 0, null, 1, new Object[] {"java/lang/AssertionError"});
methodVisitor.visitVarInsn(ASTORE, 1);
Label label14 = new Label();
methodVisitor.visitLabel(label14);
methodVisitor.visitLineNumber(16, label14);
methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
methodVisitor.visitLdcInsn("AssertionError in testclasses.Class1");
methodVisitor.visitMethodInsn(
INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
methodVisitor.visitLabel(label9);
methodVisitor.visitLineNumber(19, label9);
methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
methodVisitor.visitMethodInsn(
INVOKESTATIC,
"com/android/tools/r8/rewrite/assertions/testclasses/Class2",
"m",
"()V",
false);
methodVisitor.visitLabel(label10);
methodVisitor.visitLineNumber(22, label10);
Label label15 = new Label();
methodVisitor.visitJumpInsn(GOTO, label15);
methodVisitor.visitLabel(label11);
methodVisitor.visitLineNumber(20, label11);
methodVisitor.visitFrame(
Opcodes.F_SAME1, 0, null, 1, new Object[] {"java/lang/AssertionError"});
methodVisitor.visitVarInsn(ASTORE, 1);
Label label16 = new Label();
methodVisitor.visitLabel(label16);
methodVisitor.visitLineNumber(21, label16);
methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
methodVisitor.visitLdcInsn("AssertionError in testclasses.Class2");
methodVisitor.visitMethodInsn(
INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
methodVisitor.visitLabel(label15);
methodVisitor.visitLineNumber(24, label15);
methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
methodVisitor.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
methodVisitor.visitLdcInsn("DONE");
methodVisitor.visitMethodInsn(
INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
Label label17 = new Label();
methodVisitor.visitLabel(label17);
methodVisitor.visitLineNumber(25, label17);
methodVisitor.visitInsn(RETURN);
methodVisitor.visitMaxs(2, 2);
methodVisitor.visitEnd();
}
classWriter.visitEnd();
return classWriter.toByteArray();
}
/**
* Code for the following class in the unnamed package:
*
* <p>public class <name> { public static void m() { assert false; } }
*/
public static byte[] classInUnnamedPackage(String name) {
ClassWriter classWriter = new ClassWriter(0);
FieldVisitor fieldVisitor;
MethodVisitor methodVisitor;
classWriter.visit(V1_8, ACC_PUBLIC | ACC_SUPER, name, null, "java/lang/Object", null);
classWriter.visitSource(name + ".java", null);
{
fieldVisitor =
classWriter.visitField(
ACC_FINAL | ACC_STATIC | ACC_SYNTHETIC, "$assertionsDisabled", "Z", null, null);
fieldVisitor.visitEnd();
}
{
methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
methodVisitor.visitCode();
Label label0 = new Label();
methodVisitor.visitLabel(label0);
methodVisitor.visitLineNumber(1, label0);
methodVisitor.visitVarInsn(ALOAD, 0);
methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
methodVisitor.visitInsn(RETURN);
methodVisitor.visitMaxs(1, 1);
methodVisitor.visitEnd();
}
{
methodVisitor = classWriter.visitMethod(ACC_PUBLIC | ACC_STATIC, "m", "()V", null, null);
methodVisitor.visitCode();
Label label0 = new Label();
methodVisitor.visitLabel(label0);
methodVisitor.visitLineNumber(3, label0);
methodVisitor.visitFieldInsn(GETSTATIC, name, "$assertionsDisabled", "Z");
Label label1 = new Label();
methodVisitor.visitJumpInsn(IFNE, label1);
methodVisitor.visitTypeInsn(NEW, "java/lang/AssertionError");
methodVisitor.visitInsn(DUP);
methodVisitor.visitMethodInsn(
INVOKESPECIAL, "java/lang/AssertionError", "<init>", "()V", false);
methodVisitor.visitInsn(ATHROW);
methodVisitor.visitLabel(label1);
methodVisitor.visitLineNumber(4, label1);
methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
methodVisitor.visitInsn(RETURN);
methodVisitor.visitMaxs(2, 0);
methodVisitor.visitEnd();
}
{
methodVisitor = classWriter.visitMethod(ACC_STATIC, "<clinit>", "()V", null, null);
methodVisitor.visitCode();
Label label0 = new Label();
methodVisitor.visitLabel(label0);
methodVisitor.visitLineNumber(1, label0);
methodVisitor.visitLdcInsn(Type.getType("L" + name + ";"));
methodVisitor.visitMethodInsn(
INVOKEVIRTUAL, "java/lang/Class", "desiredAssertionStatus", "()Z", false);
Label label1 = new Label();
methodVisitor.visitJumpInsn(IFNE, label1);
methodVisitor.visitInsn(ICONST_1);
Label label2 = new Label();
methodVisitor.visitJumpInsn(GOTO, label2);
methodVisitor.visitLabel(label1);
methodVisitor.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
methodVisitor.visitInsn(ICONST_0);
methodVisitor.visitLabel(label2);
methodVisitor.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] {Opcodes.INTEGER});
methodVisitor.visitFieldInsn(PUTSTATIC, name, "$assertionsDisabled", "Z");
methodVisitor.visitInsn(RETURN);
methodVisitor.visitMaxs(1, 0);
methodVisitor.visitEnd();
}
classWriter.visitEnd();
return classWriter.toByteArray();
}
static class TestClass {
public static void main(String[] args) {
try {
com.android.tools.r8.rewrite.assertions.testclasses.Class1.m();
} catch (AssertionError e) {
System.out.println("AssertionError in testclasses.Class1");
}
try {
com.android.tools.r8.rewrite.assertions.testclasses.Class2.m();
} catch (AssertionError e) {
System.out.println("AssertionError in testclasses.Class2");
}
try {
com.android.tools.r8.rewrite.assertions.testclasses.subpackage.Class1.m();
} catch (AssertionError e) {
System.out.println("AssertionError in testclasses.subpackage.Class1");
}
try {
com.android.tools.r8.rewrite.assertions.testclasses.subpackage.Class2.m();
} catch (AssertionError e) {
System.out.println("AssertionError in testclasses.subpackage.Class2");
}
System.out.println("DONE");
}
}
}