Reproduce CME on JVM but not on ART
Bug: b/369670481
Change-Id: I195c2bb1721d001a31a4fd864ef78b57365c385a
diff --git a/src/test/java/com/android/tools/r8/ir/optimize/B369670481.java b/src/test/java/com/android/tools/r8/ir/optimize/B369670481.java
new file mode 100644
index 0000000..9eb062c
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/ir/optimize/B369670481.java
@@ -0,0 +1,82 @@
+// Copyright (c) 2024, 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.ir.optimize;
+
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import java.util.ArrayList;
+import java.util.ConcurrentModificationException;
+import java.util.Iterator;
+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 B369670481 extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ @Test
+ public void testJvm() throws Exception {
+ parameters.assumeJvmTestParameters();
+ testForJvm(parameters)
+ .addInnerClasses(getClass())
+ .run(parameters.getRuntime(), Main.class)
+ .assertFailureWithErrorThatThrows(ConcurrentModificationException.class);
+ }
+
+ @Test
+ public void testD8() throws Exception {
+ parameters.assumeDexRuntime();
+ testForD8(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .setMinApi(parameters)
+ .compile()
+ .run(parameters.getRuntime(), Main.class)
+ .applyIf(
+ parameters.isCfRuntime(),
+ rr -> rr.assertFailureWithErrorThatThrows(ConcurrentModificationException.class),
+ rr -> rr.assertSuccessWithOutputLines("2"));
+ }
+
+ @Test
+ public void testR8() throws Exception {
+ testForR8(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .addKeepMainRule(Main.class)
+ .setMinApi(parameters)
+ .compile()
+ .run(parameters.getRuntime(), Main.class)
+ .applyIf(
+ parameters.isCfRuntime(),
+ rr -> rr.assertFailureWithErrorThatThrows(ConcurrentModificationException.class),
+ rr -> rr.assertSuccessWithOutputLines("2"));
+ }
+
+ static class Main {
+
+ public static void main(String[] strArr) {
+ ArrayList<Integer> numbers = new ArrayList<>();
+ numbers.add(10);
+ numbers.add(20);
+ numbers.add(40);
+ Iterator<Integer> iterator = numbers.iterator();
+ while (iterator.hasNext()) {
+ if (iterator.next() == 40) {
+ numbers.remove(2);
+ }
+ }
+ System.out.println(numbers.size());
+ }
+ }
+}
