[Simpletest-support] useful additional assertion?

[Jason S. <jsw...@ya...>]

in my write test -> fail -> write code -> pass cycles, the first thing that
happens where I write a new method is that the test dies with a php fatal error
because the method does not exist.  Using this assertion I can write a test
that verifies the method exists, see it fail, add the method to the class I am
testing, see the test pass and then move on to real relevant tests of the
method.

        /**
         *      Confirms that a particular method is defined for a class.
         *      @param  string  $class          the class to test
         *      @param  string  $method         the name of the method to test
         *      @param  string  $message        optional - Message to display.
         *      @access public
         */
        function AssertMethodExists($class, $method, $message=false) {
                if (!class_exists($class)) {
                        $this->Fail("'$class' is not a class");
                }
                if (false === $message) {
                        $message = "$class::$method() does not exist.";
                }
                if (is_callable(array($class, $method))) {
                        $this->Pass($message);
                } else {
                        $this->Fail($message);
                }
        }

or perhaps I am just being pedantic?

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