1 files changed, 21 insertions, 0 deletions
diff --git a/src/scenario/Matcher.js b/src/scenario/Matcher.js
new file mode 100644
index 00000000..62f094c8
--- /dev/null
+++ b/src/scenario/Matcher.js
@@ -0,0 +1,21 @@
+function Matcher(scope, future, logger) {
+  var self = scope.$scenario = this;
+  this.logger = logger;
+  this.future = future;
+}
+
+Matcher.addMatcher = function(name, matcher) {
+  Matcher.prototype[name] = function(expected) {
+    var future = this.future;
+    $scenario.addFuture(
+      'expect ' + future.name + ' ' + name + ' ' + expected,
+      function(done){
+        if (!matcher(future.value, expected))
+          throw "Expected " + expected + ' but was ' + future.value;
+        done();
+      }
+    );
+  };
+};
+
+Matcher.addMatcher('toEqual', function(a,b) { return a == b; });