commit 9e31317cba64e8211ec26c9cfede94f243f9b93e
author Morten Krogh-Jespersen <mkroghj@google.com> Thu Oct 08 19:55:18 2020 +0200
committer Morten Krogh-Jespersen <mkroghj@google.com> Fri Oct 09 06:56:59 2020 +0000
tree 656d411ffe2f3848859d544ff4e84cd802d702e6
parent 8264d73355c34459c0e73182df1216e3c4b0eeb0

Add test for pruning of class bound for type parameter in R8

Change-Id: I5330fd2e1f126fc6ee697ac9c118f03df0587b58

src/test/java/com/android/tools/r8/graph/genericsignature/FormalTypeParameterClassBoundPruneTest.java

diff --git a/src/test/java/com/android/tools/r8/graph/genericsignature/FormalTypeParameterClassBoundPruneTest.java b/src/test/java/com/android/tools/r8/graph/genericsignature/FormalTypeParameterClassBoundPruneTest.java
index c6d21b8..1221f73 100644
--- a/src/test/java/com/android/tools/r8/graph/genericsignature/FormalTypeParameterClassBoundPruneTest.java
+++ b/src/test/java/com/android/tools/r8/graph/genericsignature/FormalTypeParameterClassBoundPruneTest.java
@@ -4,9 +4,14 @@
 
 package com.android.tools.r8.graph.genericsignature;
 
+import static com.android.tools.r8.utils.codeinspector.Matchers.isPresent;
+import static org.hamcrest.CoreMatchers.not;
+import static org.hamcrest.MatcherAssert.assertThat;
+
 import com.android.tools.r8.TestBase;
 import com.android.tools.r8.TestParameters;
 import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.shaking.ProguardKeepAttributes;
 import com.android.tools.r8.utils.DescriptorUtils;
 import java.lang.reflect.TypeVariable;
 import org.junit.Test;
@@ -72,6 +77,28 @@
             "class java.lang.Object", Interface.class.getTypeName() + "<T>");
   }
 
+  @Test
+  public void testR8() throws Exception {
+    testForR8(parameters.getBackend())
+        .addProgramClassFileData(
+            transformer(Main.class).removeInnerClasses().transform(),
+            transformer(Super.class).removeInnerClasses().transform(),
+            transformer(Interface.class).removeInnerClasses().transform())
+        .addKeepMainRule(Main.class)
+        .addKeepClassRules(Interface.class)
+        .setMinApi(parameters.getApiLevel())
+        .addKeepAttributes(
+            ProguardKeepAttributes.SIGNATURE,
+            ProguardKeepAttributes.INNER_CLASSES,
+            ProguardKeepAttributes.ENCLOSING_METHOD)
+        .run(parameters.getRuntime(), Main.class)
+        .assertSuccessWithOutputLines(Interface.class.getTypeName() + "<T>")
+        .inspect(
+            inspector -> {
+              assertThat(inspector.clazz(Super.class), not(isPresent()));
+            });
+  }
+
   public static class Super<T> {}
 
   public interface Interface<T> {}