Function test

deps/v8/test/wasm-js/third_party/testharness.js:526–554

(func, name, properties)

     * API functions
     */
    function test(func, name, properties)
    {
        if (tests.promise_setup_called) {
            tests.status.status = tests.status.ERROR;
            tests.status.message = '`test` invoked after `promise_setup`';
            tests.complete();
        }
        var test_name = name ? name : test_environment.next_default_test_name();
        var test_obj = new Test(test_name, properties);
        var value = test_obj.step(func, test_obj, test_obj);

        if (value !== undefined) {
            var msg = "Test named \"" + test_name +
                "\" inappropriately returned a value";

            try {
                if (value && value.hasOwnProperty("then")) {
                    msg += ", consider using `promise_test` instead";
                }
            } catch (err) {}

            tests.status.status = tests.status.ERROR;
            tests.status.message = msg;
        }

        if (test_obj.phase === test_obj.phases.STARTED) {
            test_obj.done();
        }
    }

    function async_test(func, name, properties)
    {