describe(“toBeNull”, function() {

it("passes for null", function() {
  var matcher = j$.matchers.toBeNull(),
    result;

  result = matcher.compare(null);
  expect(result.pass).toBe(true);
});

it("fails for non-null", function() {
  var matcher = j$.matchers.toBeNull(),
    result;

  result = matcher.compare('foo');
  expect(result.pass).toBe(false);
});

});