Add test for renaming classes with applymapping on library path

Bug: 215318785
Change-Id: I94667396cbeb39341f83cf375dc99e8a042c8c0a

src/test/java/com/android/tools/r8/naming/applymapping/ApplyMappingOnLibraryPathTest.java

diff --git a/src/test/java/com/android/tools/r8/naming/applymapping/ApplyMappingOnLibraryPathTest.java b/src/test/java/com/android/tools/r8/naming/applymapping/ApplyMappingOnLibraryPathTest.java
new file mode 100644
index 0000000..ce65a85
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/naming/applymapping/ApplyMappingOnLibraryPathTest.java
@@ -0,0 +1,73 @@
+// 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.naming.applymapping;
+
+import static com.android.tools.r8.utils.codeinspector.Matchers.isPresentAndNotRenamed;
+import static org.hamcrest.CoreMatchers.containsString;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.junit.Assert.assertEquals;
+
+import com.android.tools.r8.TestBase;
+import com.android.tools.r8.TestParameters;
+import com.android.tools.r8.TestParametersCollection;
+import com.android.tools.r8.utils.codeinspector.ClassSubject;
+import com.android.tools.r8.utils.codeinspector.FoundClassSubject;
+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 ApplyMappingOnLibraryPathTest extends TestBase {
+
+  @Parameter() public TestParameters parameters;
+
+  @Parameters(name = "{0}")
+  public static TestParametersCollection data() {
+    return getTestParameters().withAllRuntimesAndApiLevels().build();
+  }
+
+  @Test
+  public void testR8() throws Exception {
+    testForR8(parameters.getBackend())
+        .addLibraryClasses(LibraryClass.class)
+        .addDefaultRuntimeLibrary(parameters)
+        .addProgramClasses(Main.class)
+        .setMinApi(parameters.getApiLevel())
+        .addApplyMapping(typeName(LibraryClass.class) + " -> a.a:")
+        .addKeepMainRule(Main.class)
+        .compile()
+        .inspect(
+            inspector -> {
+              // TODO(b/215318785): We should never rename on library path.
+              ClassSubject clazz = inspector.clazz(Main.class);
+              assertThat(clazz, isPresentAndNotRenamed());
+              FoundClassSubject foundClassSubject = clazz.asFoundClassSubject();
+              assertEquals("a.a", foundClassSubject.getSuperClass().getOriginalName());
+            })
+        .addRunClasspathClasses(LibraryClass.class)
+        .run(parameters.getRuntime(), Main.class)
+        // TODO(b/215318785): Running the program should work.
+        .assertFailureWithErrorThatMatchesIf(
+            parameters.isCfRuntime(), containsString("Could not find or load main class"))
+        .assertFailureWithErrorThatThrowsIf(
+            parameters.isDexRuntime(), ClassNotFoundException.class);
+  }
+
+  public static class LibraryClass {
+
+    public void foo() {
+      System.out.println("LibraryClass::foo");
+    }
+  }
+
+  public static class Main extends LibraryClass {
+
+    public static void main(String[] args) {
+      new Main().foo();
+    }
+  }
+}