Reproduce verification error on Dalvik from array of missing type
Bug: 206891715
Change-Id: I5b3f13bf6ab2d5f03987c3e5bb736a5f8b81bf26
diff --git a/src/test/java/com/android/tools/r8/workaround/ArrayFieldGetWithMissingBaseTypeTest.java b/src/test/java/com/android/tools/r8/workaround/ArrayFieldGetWithMissingBaseTypeTest.java
new file mode 100644
index 0000000..3075270
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/workaround/ArrayFieldGetWithMissingBaseTypeTest.java
@@ -0,0 +1,113 @@
+// 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.workaround;
+
+import com.android.tools.r8.NeverClassInline;
+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;
+import java.util.function.Consumer;
+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 ArrayFieldGetWithMissingBaseTypeTest extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection parameters() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ @Test
+ public void test() throws Exception {
+ testForR8(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .applyIf(
+ parameters.isDexRuntime(),
+ testBuilder -> testBuilder.addLibraryFiles(ToolHelper.getMostRecentAndroidJar()))
+ .addKeepMainRule(Main.class)
+ .addKeepClassAndMembersRules(Utils.class)
+ .addKeepRules(
+ "-keep class " + Main.class.getTypeName() + " { void notUsedDuringLaunch(); }")
+ // TODO(b/206891715): Should not allow merging when compiling for Dalvik.
+ .addHorizontallyMergedClassesInspector(
+ inspector ->
+ inspector
+ .assertIsCompleteMergeGroup(UsedDuringLaunch.class, NotUsedDuringLaunch.class)
+ .assertNoOtherClassesMerged())
+ .enableInliningAnnotations()
+ .addOptionsModification(o -> o.apiModelingOptions().disableApiCallerIdentification())
+ .enableNeverClassInliningAnnotations()
+ .setMinApi(parameters.getApiLevel())
+ .compile()
+ .run(parameters.getRuntime(), Main.class)
+ .applyIf(
+ parameters.isCfRuntime() || !parameters.getDexRuntimeVersion().isDalvik(),
+ runResult -> runResult.assertSuccessWithOutputLines("Hello world!"),
+ runResult -> runResult.assertFailureWithErrorThatThrows(VerifyError.class));
+ }
+
+ static class Main {
+
+ public static void main(String[] args) {
+ new UsedDuringLaunch().usedDuringLaunch();
+ }
+
+ // @Keep
+ static void notUsedDuringLaunch() {
+ Consumer<?> emptyConsumer = Utils.getEmptyConsumer();
+ new UsedDuringLaunch().onlyUsedOnHighApiLevels(emptyConsumer);
+ NotUsedDuringLaunch.f = new Consumer<?>[] {emptyConsumer};
+ new NotUsedDuringLaunch().illegalUseOfConsumerArrayOnDalvik();
+ }
+ }
+
+ @NeverClassInline
+ static class UsedDuringLaunch {
+
+ @NeverInline
+ void usedDuringLaunch() {
+ System.out.println("Hello world!");
+ }
+
+ @NeverInline
+ void onlyUsedOnHighApiLevels(Consumer<?> c) {
+ System.out.println(c);
+ }
+ }
+
+ @NeverClassInline
+ static class NotUsedDuringLaunch {
+
+ static Consumer<?>[] f;
+
+ @NeverInline
+ void illegalUseOfConsumerArrayOnDalvik() {
+ Utils.accept(f);
+ }
+ }
+
+ // @Keep
+ static class Utils {
+
+ // @Keep
+ static void accept(Consumer<?>[] array) {
+ System.out.println(array.length);
+ }
+
+ // @Keep
+ public static Consumer<?> getEmptyConsumer() {
+ return ignore -> {};
+ }
+ }
+}
