Reproduce field propagation issue with ServiceLoader
Bug: b/389737060
Change-Id: Id850448f68b999194bc0380dfca625f4f68bc31b
diff --git a/src/test/java/com/android/tools/r8/ir/optimize/membervaluepropagation/DefaultFieldValueJoinerWithServiceLoaderTest.java b/src/test/java/com/android/tools/r8/ir/optimize/membervaluepropagation/DefaultFieldValueJoinerWithServiceLoaderTest.java
new file mode 100644
index 0000000..62165a4
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/ir/optimize/membervaluepropagation/DefaultFieldValueJoinerWithServiceLoaderTest.java
@@ -0,0 +1,98 @@
+// Copyright (c) 2025, 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.membervaluepropagation;
+
+import com.android.tools.r8.DataEntryResource;
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.origin.Origin;
+import com.android.tools.r8.utils.StringUtils;
+import com.google.common.collect.Lists;
+import java.util.List;
+import java.util.ServiceLoader;
+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 DefaultFieldValueJoinerWithServiceLoaderTest extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ @Test
+ public void test() throws Exception {
+ List<String> serviceImplementations = Lists.newArrayList();
+ serviceImplementations.add(B.class.getTypeName());
+ serviceImplementations.add(C.class.getTypeName());
+
+ testForR8(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .addKeepMainRule(Main.class)
+ .addDataResources(
+ DataEntryResource.fromBytes(
+ StringUtils.lines(serviceImplementations).getBytes(),
+ "META-INF/services/" + A.class.getTypeName(),
+ Origin.unknown()))
+ .setMinApi(parameters)
+ .run(parameters.getRuntime(), Main.class)
+ // TODO(b/389737060): Should be 0, 1, 0, 2.
+ .assertSuccessWithOutputLines("1", "1", "2", "2");
+ }
+
+ public interface A {
+
+ void init();
+
+ void print();
+ }
+
+ public static class B implements A {
+
+ int f;
+
+ @Override
+ public void init() {
+ f = 1;
+ }
+
+ @Override
+ public void print() {
+ System.out.println(f);
+ }
+ }
+
+ public static class C implements A {
+
+ int g;
+
+ @Override
+ public void init() {
+ g = 2;
+ }
+
+ @Override
+ public void print() {
+ System.out.println(g);
+ }
+ }
+
+ public static class Main {
+ public static void main(String[] args) {
+ for (A a : ServiceLoader.load(A.class)) {
+ a.print();
+ a.init();
+ a.print();
+ }
+ }
+ }
+}
