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// 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;
import static org.hamcrest.CoreMatchers.containsString;
import com.android.tools.r8.utils.AndroidApiLevel;
import com.android.tools.r8.utils.OffOrAuto;
import java.nio.file.Path;
import java.util.function.UnaryOperator;
import org.junit.Assert;
import org.junit.Assume;
import org.junit.Test;
public class D8RunExamplesAndroidOTest extends RunExamplesAndroidOTest<D8Command.Builder> {
class D8TestRunner extends TestRunner<D8TestRunner> {
D8TestRunner(String testName, String packageName, String mainClass) {
super(testName, packageName, mainClass);
}
@Override
D8TestRunner withMinApiLevel(AndroidApiLevel minApiLevel) {
return withBuilderTransformation(builder -> builder.setMinApiLevel(minApiLevel.getLevel()));
}
D8TestRunner withClasspath(Path... classpath) {
return withBuilderTransformation(b -> b.addClasspathFiles(classpath));
}
@Override
void build(Path inputFile, Path out, OutputMode mode) throws CompilationFailedException {
D8Command.Builder builder = D8Command.builder().setOutput(out, mode);
for (UnaryOperator<D8Command.Builder> transformation : builderTransformations) {
builder = transformation.apply(builder);
}
builder.addLibraryFiles(
ToolHelper.getAndroidJar(
androidJarVersion == null ? builder.getMinApiLevel() : androidJarVersion.getLevel()));
builder.addProgramFiles(inputFile);
ToolHelper.runD8(builder, this::combinedOptionConsumer);
}
D8TestRunner withIntermediate(boolean intermediate) {
return withBuilderTransformation(builder -> builder.setIntermediate(intermediate));
}
@Override
D8TestRunner self() {
return this;
}
}
@Test
public void testDefaultInInterfaceWithoutDesugaring() throws Throwable {
// lib1: interface A { default String foo() { return "A"; } }
D8TestRunner lib1 =
test("testDefaultInInterfaceWithoutDesugaring", "desugaringwithmissingclasslib1", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Off)
.withMinApiLevel(AndroidApiLevel.K);
try {
lib1.build();
// compilation should have failed on CompilationError since A is declaring a default method.
Assert.fail();
} catch (CompilationFailedException e) {
// Expected.
}
}
@Test
public void testMissingInterfaceDesugared() throws Throwable {
// lib1: interface A { default String foo() { return "A"; } }
D8TestRunner lib1 =
test("desugaringwithmissingclasslib1", "desugaringwithmissingclasslib1", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withMinApiLevel(AndroidApiLevel.K);
lib1.build();
// lib2: interface B extends A { default String foo() { return "B"; } }
// lib2 is compiled with full classpath
D8TestRunner lib2 =
test("desugaringwithmissingclasslib2", "desugaringwithmissingclasslib2", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(AndroidApiLevel.K);
lib2.build();
// test: class ImplementMethodsWithDefault implements A, B {} should get its foo implementation
// from B.
// test is compiled with incomplete classpath: lib2 is missing so ImplementMethodsWithDefault is
// missing one of it interfaces.
D8TestRunner test =
test("desugaringwithmissingclasstest1", "desugaringwithmissingclasstest1", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(AndroidApiLevel.K);
test.build();
// TODO check compilation warnings are correctly reported
// B is missing so compiled code makes no sense, no need to test execution.
}
@Test
public void testMissingInterfaceDesugared2AndroidK() throws Throwable {
AndroidApiLevel minApi = AndroidApiLevel.K;
// lib1: interface A { default String foo() { return "A"; } }
D8TestRunner lib1 =
test("desugaringwithmissingclasslib1", "desugaringwithmissingclasslib1", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withMinApiLevel(minApi);
Path lib1Dex = lib1.build();
// lib2: interface B extends A { default String foo() { return "B"; } }
// lib2 is compiled with full classpath
D8TestRunner lib2 =
test("desugaringwithmissingclasslib2", "desugaringwithmissingclasslib2", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
Path lib2Dex = lib2.build();
// lib3: class C implements A {}
// lib3 is compiled with full classpath
D8TestRunner lib3 =
test("desugaringwithmissingclasslib3", "desugaringwithmissingclasslib3", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
Path lib3Dex = lib3.build();
// test: class ImplementMethodsWithDefault extends C implements B should get its foo
// implementation from B.
// test is compiled with incomplete classpath: lib2 and lib3 are missing so
// ImplementMethodsWithDefault is missing all its hierarchy.
D8TestRunner test =
test("desugaringwithmissingclasstest2", "desugaringwithmissingclasstest2", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
Path testDex = test.build();
// TODO check compilation warnings are correctly reported
// Missing interface B is causing the wrong code to be executed.
if (!ToolHelper.artSupported() && !ToolHelper.compareAgaintsGoldenFiles()) {
return;
}
if (ToolHelper.artSupported() && !ToolHelper.compareAgaintsGoldenFiles()) {
thrown.expect(AssertionError.class);
}
execute(
"testMissingInterfaceDesugared2AndroidK",
"desugaringwithmissingclasstest2.Main",
new Path[] {
lib1.getInputJar(), lib2.getInputJar(), lib3.getInputJar(), test.getInputJar()
},
new Path[] {lib1Dex, lib2Dex, lib3Dex, testDex});
}
@Test
public void testMissingInterfaceDesugared2AndroidO() throws Throwable {
AndroidApiLevel minApi = AndroidApiLevel.O;
// lib1: interface A { default String foo() { return "A"; } }
D8TestRunner lib1 =
test("desugaringwithmissingclasslib1", "desugaringwithmissingclasslib1", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withMinApiLevel(minApi);
Path lib1Dex = lib1.build();
// lib2: interface B extends A { default String foo() { return "B"; } }
// lib2 is compiled with full classpath
D8TestRunner lib2 =
test("desugaringwithmissingclasslib2", "desugaringwithmissingclasslib2", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
Path lib2Dex = lib2.build();
// lib3: class C implements A {}
// lib3 is compiled with full classpath
D8TestRunner lib3 =
test("desugaringwithmissingclasslib3", "desugaringwithmissingclasslib3", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
Path lib3Dex = lib3.build();
// test: class ImplementMethodsWithDefault extends C implements B should get its foo
// implementation from B.
// test is compiled with incomplete classpath: lib2 and lib3 are missing so
// ImplementMethodsWithDefault is missing all its hierarchy.
D8TestRunner test =
test("desugaringwithmissingclasstest2", "desugaringwithmissingclasstest2", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
Path testDex = test.build();
execute(
"testMissingInterfaceDesugared2AndroidO",
"desugaringwithmissingclasstest2.Main",
new Path[] {
lib1.getInputJar(), lib2.getInputJar(), lib3.getInputJar(), test.getInputJar()
},
new Path[] {lib1Dex, lib2Dex, lib3Dex, testDex});
}
@Test
public void testCallToMissingSuperInterfaceDesugaredAndroidK() throws Throwable {
AndroidApiLevel minApi = AndroidApiLevel.K;
// lib1: interface A { default String foo() { return "A"; } }
D8TestRunner lib1 =
test("desugaringwithmissingclasslib1", "desugaringwithmissingclasslib1", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withMinApiLevel(minApi);
Path lib1Dex = lib1.build();
// lib2: interface B extends A { default String foo() { return "B"; } }
// lib2 is compiled with full classpath
D8TestRunner lib2 =
test("desugaringwithmissingclasslib2", "desugaringwithmissingclasslib2", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
Path lib2Dex = lib2.build();
// lib3: class C implements A {}
// lib3 is compiled with full classpath
D8TestRunner lib3 =
test("desugaringwithmissingclasslib3", "desugaringwithmissingclasslib3", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
Path lib3Dex = lib3.build();
// test: class ImplementMethodsWithDefault extends C implements B
// { String getB() { return B.super.foo(); }
// Should be able to call implementation from B.
// test is compiled with incomplete classpath: lib2, i.e. B definition, is missing.
D8TestRunner test =
test("desugaringwithmissingclasstest3", "desugaringwithmissingclasstest3", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar(), lib3.getInputJar())
.withMinApiLevel(minApi);
Path testDex = test.build();
// TODO check compilation warnings are correctly reported
Assume.assumeTrue(ToolHelper.artSupported() || ToolHelper.compareAgaintsGoldenFiles());
// Missing interface B is causing the wrong method to be executed.
if (ToolHelper.artSupported() && !ToolHelper.compareAgaintsGoldenFiles()) {
thrown.expect(AssertionError.class);
}
execute(
"testCallToMissingSuperInterfaceDesugaredAndroidK",
"desugaringwithmissingclasstest3.Main",
new Path[] {
lib1.getInputJar(), lib2.getInputJar(), lib3.getInputJar(), test.getInputJar()
},
new Path[] {lib1Dex, lib2Dex, lib3Dex, testDex});
}
@Test
public void testCallToMissingSuperInterfaceDesugaredAndroidO() throws Throwable {
AndroidApiLevel minApi = AndroidApiLevel.O;
// lib1: interface A { default String foo() { return "A"; } }
D8TestRunner lib1 =
test("desugaringwithmissingclasslib1", "desugaringwithmissingclasslib1", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withMinApiLevel(minApi);
Path lib1Dex = lib1.build();
// lib2: interface B extends A { default String foo() { return "B"; } }
// lib2 is compiled with full classpath
D8TestRunner lib2 =
test("desugaringwithmissingclasslib2", "desugaringwithmissingclasslib2", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
Path lib2Dex = lib2.build();
// lib3: class C implements A {}
// lib3 is compiled with full classpath
D8TestRunner lib3 =
test("desugaringwithmissingclasslib3", "desugaringwithmissingclasslib3", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
Path lib3Dex = lib3.build();
// test: class ImplementMethodsWithDefault extends C implements B
// { String getB() { return B.super.foo(); }
// Should be able to call implementation from B.
// test is compiled with incomplete classpath: lib2, i.e. B definition, is missing.
D8TestRunner test =
test("desugaringwithmissingclasstest3", "desugaringwithmissingclasstest3", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar(), lib3.getInputJar())
.withMinApiLevel(minApi);
Path testDex = test.build();
execute(
"testCallToMissingSuperInterfaceDesugaredAndroidO",
"desugaringwithmissingclasstest3.Main",
new Path[] {
lib1.getInputJar(), lib2.getInputJar(), lib3.getInputJar(), test.getInputJar()
},
new Path[] {lib1Dex, lib2Dex, lib3Dex, testDex});
}
@Test
public void testMissingSuperDesugaredAndroidK() throws Throwable {
AndroidApiLevel minApi = AndroidApiLevel.K;
// lib1: interface A { default String foo() { return "A"; } }
D8TestRunner lib1 =
test("desugaringwithmissingclasslib1", "desugaringwithmissingclasslib1", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withMinApiLevel(minApi);
lib1.build();
// lib2: interface B extends A { default String foo() { return "B"; } }
// lib2 is compiled with full classpath
D8TestRunner lib2 =
test("desugaringwithmissingclasslib2", "desugaringwithmissingclasslib2", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
lib2.build();
// lib3: class C implements A {}
// lib3 is compiled with full classpath
D8TestRunner lib3 =
test("desugaringwithmissingclasslib3", "desugaringwithmissingclasslib3", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
lib3.build();
// test: class ImplementMethodsWithDefault extends C implements B should get its foo
// implementation from B.
// test is compiled with incomplete classpath: lib3 is missing so
// ImplementMethodsWithDefault is missing its super class.
D8TestRunner test =
test("desugaringwithmissingclasstest2", "desugaringwithmissingclasstest2", "N/A");
TestBase.testForD8(temp)
.addProgramFiles(test.getInputJar())
.addClasspathFiles(lib1.getInputJar())
.addClasspathFiles(lib2.getInputJar())
.setMinApi(minApi)
.compileWithExpectedDiagnostics(
diagnostics -> {
diagnostics.assertOnlyWarnings();
diagnostics.assertWarningMessageThatMatches(
containsString("desugaringwithmissingclasstest2.ImplementMethodsWithDefault"));
diagnostics.assertWarningMessageThatMatches(
containsString("desugaringwithmissingclasslib3.C"));
});
}
@Test
public void testMissingSuperDesugaredAndroidO() throws Throwable {
AndroidApiLevel minApi = AndroidApiLevel.O;
// lib1: interface A { default String foo() { return "A"; } }
D8TestRunner lib1 =
test("desugaringwithmissingclasslib1", "desugaringwithmissingclasslib1", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withMinApiLevel(minApi);
Path lib1Dex = lib1.build();
// lib2: interface B extends A { default String foo() { return "B"; } }
// lib2 is compiled with full classpath
D8TestRunner lib2 =
test("desugaringwithmissingclasslib2", "desugaringwithmissingclasslib2", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
Path lib2Dex = lib2.build();
// lib3: class C implements A {}
// lib3 is compiled with full classpath
D8TestRunner lib3 =
test("desugaringwithmissingclasslib3", "desugaringwithmissingclasslib3", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
Path lib3Dex = lib3.build();
// test: class ImplementMethodsWithDefault extends C implements B should get its foo
// implementation from B.
// test is compiled with incomplete classpath: lib3 is missing so
// ImplementMethodsWithDefault is missing its super class.
D8TestRunner test =
test("desugaringwithmissingclasstest2", "desugaringwithmissingclasstest2", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withClasspath(lib2.getInputJar())
.withMinApiLevel(minApi);
Path testDex = test.build();
execute(
"testMissingSuperDesugaredAndroidO",
"desugaringwithmissingclasstest2.Main",
new Path[] {
lib1.getInputJar(), lib2.getInputJar(), lib3.getInputJar(), test.getInputJar()
},
new Path[] {lib1Dex, lib2Dex, lib3Dex, testDex});
}
@Test
public void testMissingSuperDesugaredWithLibInterfaceAndroidK() throws Throwable {
AndroidApiLevel minApi = AndroidApiLevel.K;
// Reference case: there's nothing to do, we should not complain.
// Class MissingSuperImplementIterator extends C implements Iterator should not require
// desugaring because Iterator has no default method at this API level.
// The test is compiled with incomplete classpath: lib3 is missing so
// MissingSuperImplementIterator is missing its super class.
test("desugaringwithmissingclasstest6", "desugaringwithmissingclasstest6", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withAndroidJar(AndroidApiLevel.K)
.withMinApiLevel(minApi)
.build();
// More litigious case, D8 needs to detect that the default method is part of bootclasspath.
// Class MissingSuperImplementIterator extends C implements Iterator should not require
// desugaring of Iterator default method because it is part of the Android API and thus is
// declaring the default method only when default methods are supported by the runtime.
// test is compiled with incomplete classpath: lib3 is missing so
// MissingSuperImplementIterator is missing its super class.
test("desugaringwithmissingclasstest6", "desugaringwithmissingclasstest6", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withAndroidJar(AndroidApiLevel.N)
.withMinApiLevel(minApi)
.build();
}
@Test
public void testMissingSuperDesugaredWithProgramCrossImplementationAndroidK() throws Throwable {
AndroidApiLevel minApi = AndroidApiLevel.K;
// lib1: interface A { default String foo() { return "A"; } }
// interface A2 { default String foo2() { return "A2"; } }
D8TestRunner lib1 =
test("desugaringwithmissingclasslib1", "desugaringwithmissingclasslib1", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withMinApiLevel(minApi);
Path lib1Dex = lib1.build();
// lib3: class C { /* content irrelevant }
// lib3 is compiled with full classpath
D8TestRunner lib3 =
test("desugaringwithmissingclasslib3", "desugaringwithmissingclasslib3", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
Path lib3Dex = lib3.build();
// test: class C2 extends C { public String foo2() { return "C2"; } }
// class ImplementMethodsWithDefault extends C2 implements A, A2 {
// public String foo() { return "ImplementMethodsWithDefault"; }
// }
// test is compiled with incomplete classpath: lib3 is missing so
// C2 is missing its super class. But desugaring should be OK since all
// interface methods are explicitly defined in program classes of the hierarchy.
D8TestRunner test =
test("desugaringwithmissingclasstest4", "desugaringwithmissingclasstest4", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
Path testDex = test.build();
execute(
"testMissingSuperDesugaredAndroidKWithCrossImplementation",
"desugaringwithmissingclasstest4.Main",
new Path[] {
lib1.getInputJar(), lib3.getInputJar(), test.getInputJar()
},
new Path[] {lib1Dex, lib3Dex, testDex});
}
@Test
public void testMissingSuperDesugaredWithClasspathCrossImplementationAndroidK() throws Throwable {
AndroidApiLevel minApi = AndroidApiLevel.K;
// lib1: interface A { default String foo() { return "A"; } }
// interface A2 { default String foo2() { return "A2"; } }
D8TestRunner lib1 =
test("desugaringwithmissingclasslib1", "desugaringwithmissingclasslib1", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withMinApiLevel(minApi);
Path lib1Dex = lib1.build();
// lib3: class C { /* content irrelevant }
// lib3 is compiled with full classpath
D8TestRunner lib3 =
test("desugaringwithmissingclasslib3", "desugaringwithmissingclasslib3", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar())
.withMinApiLevel(minApi);
Path lib3Dex = lib3.build();
// lib4: class C2 extends C { public String foo2() { return "C2"; } }
// lib4 is compiled with full classpath
D8TestRunner lib4 =
test("desugaringwithmissingclasslib4", "desugaringwithmissingclasslib4", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar(), lib3.getInputJar())
.withMinApiLevel(minApi);
Path lib4Dex = lib4.build();
// test: class ImplementMethodsWithDefault extends C2 implements A, A2 {
// public String foo() { return "ImplementMethodsWithDefault"; }
// }
// test is compiled with incomplete classpath: lib3 is missing so
// C2 is missing its super class. But desugaring should be OK since all
// interface methods are explicitly defined in program classes of the hierarchy.
D8TestRunner test =
test("desugaringwithmissingclasstest4", "desugaringwithmissingclasstest4", "N/A")
.withInterfaceMethodDesugaring(OffOrAuto.Auto)
.withClasspath(lib1.getInputJar(), lib4.getInputJar())
.withMinApiLevel(minApi);
Path testDex = test.build();
execute(
"testMissingSuperDesugaredAndroidKWithCrossImplementation",
"desugaringwithmissingclasstest4.Main",
new Path[] {
lib1.getInputJar(), lib3.getInputJar(), lib4.getInputJar(), test.getInputJar()
},
new Path[] {lib1Dex, lib3Dex, lib4Dex, testDex});
}
@Override
D8TestRunner test(String testName, String packageName, String mainClass) {
return new D8TestRunner(testName, packageName, mainClass);
}
}