| // 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.shaking.annotations; |
| |
| import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent; |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assume.assumeTrue; |
| |
| import com.android.tools.r8.CompilationFailedException; |
| import com.android.tools.r8.ProguardTestRunResult; |
| import com.android.tools.r8.R8TestRunResult; |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import com.android.tools.r8.TestRunResult; |
| import com.android.tools.r8.utils.codeinspector.AnnotationSubject; |
| import com.android.tools.r8.utils.codeinspector.FieldSubject; |
| import java.io.IOException; |
| import java.lang.annotation.Annotation; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.concurrent.ExecutionException; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class SerializedNameAlternateTest extends TestBase { |
| |
| public static final String EXPECTED_DEFAULT_VALUE_ANNOTATION = "Kept DefaultValue Annotation"; |
| public static final String EXPECTED_SERIALIZED_ANNOTATION = "Kept SerializedName Annotation"; |
| |
| @Retention(RetentionPolicy.RUNTIME) |
| @interface SerializedName { |
| String value(); |
| |
| String[] alternate() default {}; |
| } |
| |
| public static class Foo { |
| |
| @SerializedName( |
| value = "bar", |
| alternate = {"foo"}) |
| public String bar = "bar"; |
| } |
| |
| public static class Main { |
| |
| public static void main(String[] args) throws NoSuchFieldException { |
| Annotation[] annotations = SerializedName.class.getAnnotations(); |
| if (annotations.length > 0) { |
| System.out.println("Kept DefaultValue Annotation"); |
| } |
| if (Foo.class.getField("bar").getAnnotations().length == 1) { |
| System.out.println("Kept SerializedName Annotation"); |
| } |
| } |
| } |
| |
| private final TestParameters parameters; |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withAllRuntimes().build(); |
| } |
| |
| public SerializedNameAlternateTest(TestParameters parameters) { |
| this.parameters = parameters; |
| } |
| |
| @Test |
| public void testKeepSerializedName() |
| throws IOException, CompilationFailedException, ExecutionException { |
| R8TestRunResult result = |
| testForR8(parameters.getBackend()) |
| .addInnerClasses(SerializedNameAlternateTest.class) |
| .addKeepAttributes("*Annotation*") |
| .addKeepMainRule(Main.class) |
| .addKeepClassRules(Foo.class) |
| .addKeepClassRules(SerializedName.class) |
| .setMinApi(parameters.getRuntime()) |
| .noMinification() |
| .run(parameters.getRuntime(), Main.class); |
| checkRunResult(result); |
| } |
| |
| @Test |
| public void testKeepSerializedNameProguard() |
| throws IOException, CompilationFailedException, ExecutionException { |
| assumeTrue(parameters.isCfRuntime()); |
| ProguardTestRunResult result = |
| testForProguard() |
| .addInnerClasses(SerializedNameAlternateTest.class) |
| .addKeepAttributes("*Annotation*") |
| .addKeepMainRule(Main.class) |
| .addKeepClassRules(Foo.class) |
| .addKeepClassRules(SerializedName.class) |
| .noMinification() |
| .addKeepRules("-dontwarn") |
| .run(parameters.getRuntime(), Main.class); |
| checkRunResult(result); |
| } |
| |
| private void checkRunResult(TestRunResult<?> testRunResult) |
| throws IOException, ExecutionException { |
| testRunResult |
| .assertSuccessWithOutputLines( |
| EXPECTED_DEFAULT_VALUE_ANNOTATION, EXPECTED_SERIALIZED_ANNOTATION) |
| .inspect( |
| codeInspector -> { |
| FieldSubject bar = codeInspector.clazz(Foo.class).uniqueFieldWithName("bar"); |
| AnnotationSubject annotation = bar.annotation(SerializedName.class.getTypeName()); |
| assertThat(annotation, isPresent()); |
| assertEquals(0, annotation.getAnnotation().elements.length); |
| }); |
| } |
| } |