update readme and normalize message casing

Author: electricjones

README.md

@@ -179,6 +179,17 @@ $this->specify('this assertion is failing', function() {
 ?>
 ```
 
+In both cases, you can optionally test the exception message
+
+``` php
+<?php
+
+$this->specify('some exception with a message', function() {
+	throw new NotFoundException("my error message');
+}, ['throws' => ['NotFoundException', 'my error message']]);
+?>
+```
+
 ## Examples
 
 DataProviders alternative. Quite useful for basic data providers.

src/Codeception/Specify.php

@@ -108,7 +108,7 @@ private function specifyExecute($test, $throws = false, $examples = array())
         $message = false;
 
         if (is_array($throws)) {
-            $message = $throws[1];
+            $message = ($throws[1]) ? strtolower($throws[1]) : false;
             $throws = $throws[0];
         }
 
@@ -120,7 +120,7 @@ private function specifyExecute($test, $throws = false, $examples = array())
                 $result->addFailure(clone($this), $e, $result->time());
             }
 
-            if ($message !==false && $message !== $e->getMessage()) {
+            if ($message !==false && $message !== strtolower($e->getMessage())) {
                 $f = new \PHPUnit_Framework_AssertionFailedError("exception message '$message' was expected, but '" . $e->getMessage() . "' was received");
                 $result->addFailure(clone($this), $f, $result->time());
             }
@@ -131,7 +131,7 @@ private function specifyExecute($test, $throws = false, $examples = array())
                     $result->addFailure(clone($this), $f, $result->time());
                 }
 
-                if ($message !==false && $message !== $e->getMessage()) {
+                if ($message !==false && $message !== strtolower($e->getMessage())) {
                     $f = new \PHPUnit_Framework_AssertionFailedError("exception message '$message' was expected, but '" . $e->getMessage() . "' was received");
                     $result->addFailure(clone($this), $f, $result->time());
                 }

tests/SpecifyTest.php

@@ -125,6 +125,10 @@ public function testExceptionsWithMessages()
         $this->specify('ignores an empty message', function() {
             $this->fail("test message");
         }, ['throws' => ['fail']]);
+
+        $this->specify('mixed case exception messages', function() {
+            throw new RuntimeException("teSt mESSage");
+        }, ['throws' => ['RuntimeException', 'Test MessaGE']]);
     }
 
     /**