From bdd7df20112fe5660ec5a59017615473e5eaa7a3 Mon Sep 17 00:00:00 2001
From: Mike Gerwitz <mike@mikegerwitz.com>
Date: Wed, 29 Jun 2011 21:34:33 -0400
Subject: [PATCH] Added throwError warning handler

---
 lib/warn.js                | 16 ++++++++++++++++
 test/test-warn-handlers.js | 22 ++++++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/lib/warn.js b/lib/warn.js
index 03409f2..9a4116b 100644
--- a/lib/warn.js
+++ b/lib/warn.js
@@ -91,5 +91,21 @@ exports.handlers = {
         console && ( dest = console.warn || console.log ) &&
             dest( warning.message );
     },
+
+
+    /**
+     * Throws the error associated with the warning
+     *
+     * This handler is useful for development and will ensure that problems are
+     * brought to the attention of the developer.
+     *
+     * @param {Warning} warning to log
+     *
+     * @return {undefined}
+     */
+    throwError: function( warning )
+    {
+        throw warning.getError();
+    },
 };
 
diff --git a/test/test-warn-handlers.js b/test/test-warn-handlers.js
index 66d7a6e..8d509b5 100644
--- a/test/test-warn-handlers.js
+++ b/test/test-warn-handlers.js
@@ -116,3 +116,25 @@ var common  = require( './common' ),
     console = console_;
 } )();
 
+
+/**
+ * The throwError warning handler should throw the wrapped error as an exception
+ */
+( function testThrowErrorWarningHandlerThrowsWrappedError()
+{
+    try
+    {
+        warn.handlers.throwError( warning );
+    }
+    catch ( e )
+    {
+        assert.deepEqual( e, warning.getError(),
+            "Wrapped exception should be thrown"
+        );
+
+        return;
+    }
+
+    assert.fail( "Wrapped exception should be thrown" );
+} )();
+