1 files changed, 47 insertions, 0 deletions
diff --git a/src/test/java/com/google/devtools/build/lib/events/WarningsAsErrorsEventHandlerTest.java b/src/test/java/com/google/devtools/build/lib/events/WarningsAsErrorsEventHandlerTest.java
new file mode 100644
index 0000000000..ce6b1a97ca
--- /dev/null
+++ b/src/test/java/com/google/devtools/build/lib/events/WarningsAsErrorsEventHandlerTest.java
@@ -0,0 +1,47 @@
+// Copyright 2014 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package com.google.devtools.build.lib.events;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/**
+ * Tests the {@link StoredEventHandler} class.
+ */
+@RunWith(JUnit4.class)
+public class WarningsAsErrorsEventHandlerTest {
+
+  @Test
+  public void hasErrors() {
+    ErrorSensingEventHandler delegate =
+        new ErrorSensingEventHandler(NullEventHandler.INSTANCE);
+    WarningsAsErrorsEventHandler eventHandler =
+        new WarningsAsErrorsEventHandler(delegate);
+
+    eventHandler.handle(Event.info("info"));
+    assertFalse(delegate.hasErrors());
+
+    eventHandler.handle(Event.warn("warning"));
+    assertTrue(delegate.hasErrors());
+
+    delegate.resetErrors();
+
+    eventHandler.handle(Event.error("error"));
+    assertTrue(delegate.hasErrors());
+  }
+}