Add a test for inlining across startup/non-startup boundary
Bug: b/242815611
Change-Id: Iabaff0684d7682a5502184106703015da05cc249
diff --git a/src/test/java/com/android/tools/r8/startup/InliningOutOfStartupPartitionTest.java b/src/test/java/com/android/tools/r8/startup/InliningOutOfStartupPartitionTest.java
new file mode 100644
index 0000000..7e63df0
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/startup/InliningOutOfStartupPartitionTest.java
@@ -0,0 +1,92 @@
+// 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.startup;
+
+import static com.android.tools.r8.utils.codeinspector.Matchers.isAbsent;
+import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.experimental.startup.StartupClass;
+import com.android.tools.r8.experimental.startup.StartupItem;
+import com.android.tools.r8.experimental.startup.StartupMethod;
+import com.android.tools.r8.references.ClassReference;
+import com.android.tools.r8.references.MethodReference;
+import com.android.tools.r8.references.Reference;
+import com.android.tools.r8.startup.utils.StartupTestingUtils;
+import com.android.tools.r8.utils.MethodReferenceUtils;
+import com.android.tools.r8.utils.codeinspector.ClassSubject;
+import com.google.common.collect.ImmutableList;
+import java.util.List;
+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 InliningOutOfStartupPartitionTest extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withDexRuntimesAndAllApiLevels().build();
+ }
+
+ @Test
+ public void test() throws Exception {
+ List<StartupItem<ClassReference, MethodReference, ?>> startupItems =
+ ImmutableList.of(
+ StartupClass.referenceBuilder()
+ .setClassReference(Reference.classFromClass(Main.class))
+ .build(),
+ StartupMethod.referenceBuilder()
+ .setMethodReference(MethodReferenceUtils.mainMethod(Main.class))
+ .build());
+ testForR8(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .addKeepMainRule(Main.class)
+ .apply(
+ testBuilder -> StartupTestingUtils.setStartupConfiguration(testBuilder, startupItems))
+ .setMinApi(parameters.getApiLevel())
+ .compile()
+ .inspect(
+ inspector -> {
+ ClassSubject mainClassSubject = inspector.clazz(Main.class);
+ assertThat(mainClassSubject, isPresent());
+ // TODO(b/242815611): Should be absent since inlining out of the startup is OK.
+ assertThat(mainClassSubject.uniqueMethodWithName("postStartupMethod"), isPresent());
+
+ ClassSubject postStartupClassSubject = inspector.clazz(PostStartupClass.class);
+ // TODO(b/242815611): Should be present since inlining increases the size of the
+ // startup.
+ assertThat(postStartupClassSubject, isAbsent());
+ })
+ .run(parameters.getRuntime(), Main.class)
+ .assertSuccessWithOutputLines("Hello, world!");
+ }
+
+ static class Main {
+
+ public static void main(String[] args) {
+ PostStartupClass.runPostStartup();
+ }
+
+ static void postStartupMethod() {
+ System.out.println("Hello, world!");
+ }
+ }
+
+ static class PostStartupClass {
+
+ static void runPostStartup() {
+ Main.postStartupMethod();
+ }
+ }
+}
