Test for lambda with missing interface
Bug: 179994652
Change-Id: I2d7c34ebc7e6666c70919ccb711fde6a38283913
diff --git a/src/test/java/com/android/tools/r8/desugar/LambdaMissingInterfaceTest.java b/src/test/java/com/android/tools/r8/desugar/LambdaMissingInterfaceTest.java
new file mode 100644
index 0000000..bdcfd8a
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/desugar/LambdaMissingInterfaceTest.java
@@ -0,0 +1,71 @@
+// 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.desugar;
+
+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 org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+
+@RunWith(Parameterized.class)
+public class LambdaMissingInterfaceTest extends TestBase {
+
+ private final TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withDexRuntimes().withAllApiLevels().build();
+ }
+
+ public LambdaMissingInterfaceTest(TestParameters parameters) {
+ this.parameters = parameters;
+ }
+
+ @Test
+ public void testR8() throws Exception {
+ testForR8(parameters.getBackend())
+ .addProgramClasses(ClassWithLambda.class, Main.class)
+ .addKeepMainRule(Main.class)
+ .setMinApi(parameters.getApiLevel())
+ .addDontWarn(MissingInterface.class)
+ .enableInliningAnnotations()
+ .compile()
+ .addRunClasspathClasses(MissingInterface.class)
+ .run(parameters.getRuntime(), Main.class)
+ .assertFailureWithErrorThatThrows(AbstractMethodError.class);
+ }
+
+ interface MissingInterface {
+
+ void bar(int x);
+ }
+
+ public static class ClassWithLambda {
+
+ @NeverInline
+ public static void callWithLambda() {
+ Main.foo(System.out::println);
+ }
+ }
+
+ public static class Main {
+
+ private static int argCount;
+
+ @NeverInline
+ public static void foo(MissingInterface i) {
+ i.bar(argCount);
+ }
+
+ public static void main(String[] args) {
+ argCount = args.length;
+ ClassWithLambda.callWithLambda();
+ }
+ }
+}
