Test for unused type in throwing with keepattributes Exceptions

This is a test that reproduces the error seen in the tivi-app.

Bug: 124019003
Change-Id: I81862047d55124b8e45acb7c1b5f8668a84be9b2
diff --git a/src/test/java/com/android/tools/r8/shaking/UnusedTypeInThrowingTest.java b/src/test/java/com/android/tools/r8/shaking/UnusedTypeInThrowingTest.java
new file mode 100644
index 0000000..6a03a43
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/shaking/UnusedTypeInThrowingTest.java
@@ -0,0 +1,38 @@
+// 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.shaking;
+
+import com.android.tools.r8.CompilationFailedException;
+import com.android.tools.r8.TestBase;
+import java.io.IOException;
+import org.junit.Ignore;
+import org.junit.Test;
+
+class UnusedTypeInThrowing {
+
+  public static void main(String[] args) throws UnusedTypeInThrowingThrowable {
+    System.out.print("42");
+  }
+}
+
+class UnusedTypeInThrowingThrowable extends Throwable {}
+
+public class UnusedTypeInThrowingTest extends TestBase {
+
+  static final Class THROWABLE_CLASS = UnusedTypeInThrowingThrowable.class;
+  static final Class MAIN_CLASS = UnusedTypeInThrowing.class;
+
+  @Test
+  @Ignore("b/124019003")
+  public void testTypeIsMarkedAsLive() throws IOException, CompilationFailedException {
+    testForR8(Backend.CF)
+        .addProgramClasses(MAIN_CLASS)
+        .addProgramClasses(THROWABLE_CLASS)
+        .addKeepMainRule(MAIN_CLASS)
+        .addKeepRules("-keepattributes Exceptions")
+        .run(MAIN_CLASS)
+        .assertSuccessWithOutput("42");
+  }
+}
diff --git a/src/test/java/com/android/tools/r8/shaking/UnusedTypeInThrowingTestRunner.java b/src/test/java/com/android/tools/r8/shaking/UnusedTypeInThrowingTestRunner.java
new file mode 100644
index 0000000..2bf42a1
--- /dev/null
+++ b/src/test/java/com/android/tools/r8/shaking/UnusedTypeInThrowingTestRunner.java
@@ -0,0 +1,37 @@
+// 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.shaking;
+
+import com.android.tools.r8.CompilationFailedException;
+import com.android.tools.r8.CompilationMode;
+import com.android.tools.r8.TestBase;
+import com.google.common.collect.ImmutableList;
+import java.io.IOException;
+import java.nio.file.Path;
+import org.junit.Ignore;
+import org.junit.Test;
+
+public class UnusedTypeInThrowingTestRunner extends TestBase {
+
+  static final Class THROWABLE_CLASS = UnusedTypeInThrowingThrowable.class;
+  static final Class MAIN_CLASS = UnusedTypeInThrowingTest.class;
+
+  @Test
+  @Ignore("b/124019003")
+  public void testTypeIsMarkedAsLive() throws IOException, CompilationFailedException {
+    Path outDex = temp.newFile("out.zip").toPath();
+    testForR8(Backend.CF)
+        .addProgramClasses(MAIN_CLASS)
+        .addProgramClasses(THROWABLE_CLASS)
+        .addKeepMainRule(MAIN_CLASS)
+        .addKeepRules(ImmutableList.of("-keepattributes Exceptions"))
+        .setMode(CompilationMode.RELEASE)
+        .enableInliningAnnotations()
+        .minification(true)
+        .compile()
+        .run(MAIN_CLASS)
+        .assertSuccessWithOutput("42");
+  }
+}