Test for no substitution of raw super-type in parent
Bug: 214509535
Change-Id: I668f60628a7d84ae60f39848fba12f9f37a324d1
diff --git a/src/test/java/com/android/tools/r8/classmerging/vertical/VerticalClassMergingWithMissingTypeArgsSubstitutionTest.java b/src/test/java/com/android/tools/r8/classmerging/vertical/VerticalClassMergingWithMissingTypeArgsSubstitutionTest.java
new file mode 100644
index 0000000..50a658f
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/classmerging/vertical/VerticalClassMergingWithMissingTypeArgsSubstitutionTest.java
@@ -0,0 +1,83 @@
+// 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.vertical;
+
+import static org.junit.Assert.assertThrows;
+
+import com.android.tools.r8.CompilationFailedException;
+import com.android.tools.r8.DiagnosticsMatcher;
+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.utils.ExceptionDiagnostic;
+import java.lang.reflect.TypeVariable;
+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 VerticalClassMergingWithMissingTypeArgsSubstitutionTest extends TestBase {
+
+ @Parameter(0)
+ public TestParameters parameters;
+
+ @Parameters(name = "{0}")
+ public static TestParametersCollection data() {
+ return getTestParameters().withAllRuntimesAndApiLevels().build();
+ }
+
+ @Test()
+ public void test() throws Exception {
+ assertThrows(
+ CompilationFailedException.class,
+ () -> {
+ testForR8Compat(parameters.getBackend())
+ .addInnerClasses(getClass())
+ .addKeepMainRule(Main.class)
+ .addKeepClassRules(A.class)
+ .addKeepAttributeSignature()
+ .addVerticallyMergedClassesInspector(
+ inspector -> inspector.assertMergedIntoSubtype(B.class))
+ .enableInliningAnnotations()
+ .setMinApi(parameters.getApiLevel())
+ .compileWithExpectedDiagnostics(
+ diagnostics ->
+ diagnostics.assertErrorsMatch(
+ DiagnosticsMatcher.diagnosticType(ExceptionDiagnostic.class)));
+ });
+ }
+
+ static class Main {
+
+ public static void main(String[] args) {
+ C<String> stringC = new C<>();
+ for (TypeVariable<? extends Class<? extends C>> typeParameter :
+ stringC.getClass().getTypeParameters()) {
+ System.out.println(typeParameter.getName());
+ }
+ stringC.m("Hello World");
+ }
+ }
+
+ static class A<T> {}
+
+ static class B<T> extends A<T> {
+
+ @NeverInline
+ public T foo(T t) {
+ return t;
+ }
+ }
+
+ static class C<T> extends B {
+
+ void m(T t) {
+ System.out.println(foo(t));
+ }
+ }
+}
