Matchers & Matchers specs now broken up into individual files. There is now a requireMatchers jasmineRequire function to attach matchers properly.

src/core/matchers/toThrow.js

@@ -0,0 +1,65 @@
+getJasmineRequireObj().toThrow = function() {
+
+  function toThrow() {
+    return {
+      compare: function(actual, expected) {
+        var result = { pass: false },
+          exception;
+
+        if (typeof actual != "function") {
+          throw new Error("Actual is not a Function");
+        }
+
+        if (expectedCannotBeTreatedAsException()) {
+          throw new Error("Expected cannot be treated as an exception.");
+        }
+
+        try {
+          actual();
+        } catch (e) {
+          exception = new Error(e);
+        }
+
+        if (!exception) {
+          result.message = "Expected function to throw an exception.";
+          return result;
+        }
+
+        if (void 0 == expected) {
+          result.pass = true;
+          result.message = "Expected function not to throw an exception.";
+        } else if (exception.message == expected) {
+          result.pass = true;
+          result.message = "Expected function not to throw an exception \"" + expected + "\".";
+        } else if (exception.message == expected.message) {
+          result.pass = true;
+          result.message = "Expected function not to throw an exception \"" + expected.message + "\".";
+        } else if (expected instanceof RegExp) {
+          if (expected.test(exception.message)) {
+            result.pass = true;
+            result.message = "Expected function not to throw an exception matching " + expected + ".";
+          } else {
+            result.pass = false;
+            result.message = "Expected function to throw an exception matching " + expected + ".";
+          }
+        } else {
+          result.pass = false;
+          result.message = "Expected function to throw an exception \"" + (expected.message || expected) + "\".";
+        }
+
+        return result;
+
+        function expectedCannotBeTreatedAsException() {
+          return !(
+            (void 0 == expected) ||
+              (expected instanceof Error) ||
+              (typeof expected == "string") ||
+              (expected instanceof RegExp)
+            );
+        }
+      }
+    };
+  }
+
+  return toThrow;
+};