[ApiModel] Add test for unnecessary outline that can be stubbed
Bug: 211720912
Change-Id: I0da4c6458cd27e2546bc8a767ea51d935fd40998
diff --git a/src/test/java/com/android/tools/r8/apimodel/ApiModelNoOutlineForFullyMockedTest.java b/src/test/java/com/android/tools/r8/apimodel/ApiModelNoOutlineForFullyMockedTest.java
new file mode 100644
index 0000000..58cdf92
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/apimodel/ApiModelNoOutlineForFullyMockedTest.java
@@ -0,0 +1,109 @@
+// Copyright (c) 2021, 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.apimodel;
+
+import static com.android.tools.r8.apimodel.ApiModelingTestHelper.setMockApiLevelForClass;
+import static com.android.tools.r8.apimodel.ApiModelingTestHelper.setMockApiLevelForDefaultInstanceInitializer;
+import static com.android.tools.r8.apimodel.ApiModelingTestHelper.setMockApiLevelForMethod;
+import static com.android.tools.r8.apimodel.ApiModelingTestHelper.verifyThat;
+import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.Assume.assumeFalse;
+
+import com.android.tools.r8.NeverInline;
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.ToolHelper.DexVm.Version;
+import com.android.tools.r8.testing.AndroidBuildVersion;
+import com.android.tools.r8.utils.AndroidApiLevel;
+import java.lang.reflect.Method;
+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 ApiModelNoOutlineForFullyMockedTest extends TestBase {
+
+ private final AndroidApiLevel libraryApiLevel = AndroidApiLevel.M;
+
+ @Parameter public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ @Test
+ public void testR8() throws Exception {
+ assumeFalse(
+ parameters.isDexRuntime() && parameters.getDexRuntimeVersion().isEqualTo(Version.V12_0_0));
+ boolean isLibraryApiLevel =
+ parameters.isDexRuntime()
+ && parameters.getApiLevel().isGreaterThanOrEqualTo(libraryApiLevel);
+ Method methodOn23 = LibraryClass.class.getDeclaredMethod("methodOn23");
+ Method mainMethod = Main.class.getDeclaredMethod("main", String[].class);
+ testForR8(parameters.getBackend())
+ .addProgramClasses(Main.class)
+ .addLibraryClasses(LibraryClass.class)
+ .addDefaultRuntimeLibrary(parameters)
+ .setMinApi(parameters.getApiLevel())
+ .addKeepMainRule(Main.class)
+ .addAndroidBuildVersion()
+ .apply(setMockApiLevelForClass(LibraryClass.class, libraryApiLevel))
+ .apply(setMockApiLevelForDefaultInstanceInitializer(LibraryClass.class, libraryApiLevel))
+ .apply(setMockApiLevelForMethod(methodOn23, libraryApiLevel))
+ .apply(ApiModelingTestHelper::enableOutliningOfMethods)
+ .apply(ApiModelingTestHelper::enableStubbingOfClasses)
+ .enableInliningAnnotations()
+ .compile()
+ .applyIf(
+ parameters.isDexRuntime()
+ && parameters
+ .getRuntime()
+ .maxSupportedApiLevel()
+ .isGreaterThanOrEqualTo(libraryApiLevel),
+ b -> b.addBootClasspathClasses(LibraryClass.class))
+ .run(parameters.getRuntime(), Main.class)
+ .assertSuccessWithOutputLinesIf(!isLibraryApiLevel, "Hello World")
+ .assertSuccessWithOutputLinesIf(
+ isLibraryApiLevel, "LibraryClass::methodOn23", "Hello World")
+ .inspect(
+ inspector -> {
+ assertThat(inspector.method(mainMethod), isPresent());
+ // TODO(b/211720912): We should never outline since the library class and method is
+ // introduced at the same level.
+ verifyThat(inspector, parameters, methodOn23)
+ .isOutlinedFromUntil(mainMethod, libraryApiLevel);
+ verifyThat(inspector, parameters, LibraryClass.class).stubbedUntil(libraryApiLevel);
+ });
+ }
+
+ // Only present from api level 23.
+ public static class LibraryClass {
+
+ public void methodOn23() {
+ System.out.println("LibraryClass::methodOn23");
+ }
+ }
+
+ public static class Main {
+
+ @NeverInline
+ public static Object create() {
+ return AndroidBuildVersion.VERSION >= 23 ? new LibraryClass() : null;
+ }
+
+ public static void main(String[] args) {
+ Object libraryClass = create();
+ if (libraryClass != null) {
+ ((LibraryClass) libraryClass).methodOn23();
+ }
+ System.out.println("Hello World");
+ }
+ }
+}