Merge "Reproduce b/124177369:"

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

diff --git a/src/test/java/com/android/tools/r8/naming/applymapping/InnerEnumValuesTest.java b/src/test/java/com/android/tools/r8/naming/applymapping/InnerEnumValuesTest.java
new file mode 100644
index 0000000..6c8a9be
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/naming/applymapping/InnerEnumValuesTest.java
@@ -0,0 +1,68 @@
+// Copyright (c) 2019, 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 com.android.tools.r8.TestBase;
+import com.android.tools.r8.naming.applymapping.Outer.InnerEnum;
+import com.android.tools.r8.utils.FileUtils;
+import com.android.tools.r8.utils.StringUtils;
+import java.nio.file.Path;
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+
+public class InnerEnumValuesTest extends TestBase {
+  private static Class<?> MAIN = TestApp.class;
+  private static String EXPECTED_OUTPUT = StringUtils.lines("state_X", "state_Y");
+
+  private static Path mappingFile;
+
+  @Before
+  public void setup() throws Exception {
+    // Mapping file that describes that inner enum has been renamed.
+    mappingFile = temp.newFile("mapping.txt").toPath();
+    FileUtils.writeTextFile(
+        mappingFile,
+        StringUtils.lines(
+            Outer.class.getTypeName() + " -> " + "x.y.z:",
+            "    void <init>() -> <init>",
+            InnerEnum.class.getTypeName() + " -> " + "x.y.z$ie:",
+            "    " + InnerEnum.class.getTypeName() + " STATE_A -> state_X",
+            "    " + InnerEnum.class.getTypeName() + " STATE_B -> state_Y",
+            "    " + InnerEnum.class.getTypeName() + "[] $VALUES -> XY",
+            "    void <clinit>() -> <clinit>",
+            "    void <init>(java.lang.String,int) -> <init>",
+            "    " + InnerEnum.class.getTypeName() + " valueOf(java.lang.String) -> valueOf",
+            "    " + InnerEnum.class.getTypeName() + "[] values() -> values"));
+  }
+
+  @Ignore("b/124177369")
+  @Test
+  public void b124177369() throws Exception {
+    testForR8(Backend.DEX)
+        .addProgramClassesAndInnerClasses(Outer.class)
+        .addProgramClasses(MAIN)
+        .addKeepMainRule(MAIN)
+        .addKeepRules("-dontoptimize")
+        .addKeepRules("-applymapping " + mappingFile.toAbsolutePath())
+        .compile()
+        .run(MAIN)
+        .assertSuccessWithOutput(EXPECTED_OUTPUT);
+  }
+}
+
+class Outer {
+  public enum InnerEnum {
+    STATE_A,
+    STATE_B
+  }
+}
+
+class TestApp {
+  public static void main(String[] args) {
+    for (InnerEnum i : InnerEnum.values()) {
+      System.out.println(i);
+    }
+  }
+}