Reproduce assertion failure from unresolvable method reference
Bug: b/236875523
Change-Id: I04c5c84ebb448e4862570999a44d72e6241c70c6
diff --git a/src/test/java/com/android/tools/r8/classmerging/horizontal/UnresolvableMethodWithClassMergingTest.java b/src/test/java/com/android/tools/r8/classmerging/horizontal/UnresolvableMethodWithClassMergingTest.java
new file mode 100644
index 0000000..4a027fc
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/classmerging/horizontal/UnresolvableMethodWithClassMergingTest.java
@@ -0,0 +1,62 @@
+// 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.classmerging.horizontal;
+
+import com.android.tools.r8.CompilationFailedException;
+import com.android.tools.r8.TestParameters;
+import org.junit.Test;
+
+public class UnresolvableMethodWithClassMergingTest extends HorizontalClassMergingTestBase {
+
+ public UnresolvableMethodWithClassMergingTest(TestParameters parameters) {
+ super(parameters);
+ }
+
+ // TODO(christofferqa): Should not fail compilation.
+ @Test(expected = CompilationFailedException.class)
+ public void testR8() throws Exception {
+ testForR8(parameters.getBackend())
+ .addProgramClasses(Main.class, A.class, B.class)
+ .addKeepMainRule(Main.class)
+ .addDontWarn(Missing.class)
+ .addHorizontallyMergedClassesInspector(
+ inspector -> inspector.assertMergedInto(B.class, A.class).assertNoOtherClassesMerged())
+ .setMinApi(parameters.getApiLevel())
+ .compile()
+ .addRunClasspathFiles(buildOnDexRuntime(parameters, Missing.class))
+ .run(parameters.getRuntime(), Main.class)
+ .assertSuccessWithOutputLines("A", "B");
+ }
+
+ public static class Main {
+ public static void main(String[] args) {
+ System.out.println(new A());
+ Missing.print(new B());
+ }
+ }
+
+ static class A {
+
+ @Override
+ public String toString() {
+ return "A";
+ }
+ }
+
+ static class B {
+
+ @Override
+ public String toString() {
+ return "B";
+ }
+ }
+
+ static class Missing {
+
+ static void print(B b) {
+ System.out.println(b);
+ }
+ }
+}