added syntax checking for test files using esprima.js

@@ -279,9 +279,16 @@
                 throw "Can only exec() files with .js or .coffee extensions";
             }
             if (fileExt(file) === "coffee") {
-                phantom.injectJs(file);
+                phantom.injectJs(file); // FIXME: syntax validation?
             } else {
-                eval(fs.read(file));
+                var testContents = fs.read(file);
+                var parsed;
+                try {
+                    parsed = esprima.parse(testContents);
+                } catch(e) {
+                    throw "Unable to parse test file " + file + ": " + e.toString();
+                }
+                eval(testContents);
             }
         };
 

 phantom.injectJs('casper.js');
+phantom.injectJs('lib/vendors/esprima.js');
 
 var fs = require('fs');
 var casper = new phantom.Casper({