jerryscript/tests/unit-core/test-native-instanceof.c
Robert Fancsik b7aa21ebc7
Fix lazy instantiation of external functions 'prototype' property (#3246)
This patch resolves #2302.

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
2019-10-25 15:56:37 +02:00

87 lines
2.6 KiB
C

/* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "jerryscript.h"
#include "test-common.h"
static const char instanceof_source[] = "var x = function(o, c) {return (o instanceof c);}; x";
static jerry_value_t
external_function (const jerry_value_t function_obj,
const jerry_value_t this_arg,
const jerry_value_t args_p[],
const jerry_size_t args_count)
{
(void) function_obj;
(void) this_arg;
(void) args_p;
(void) args_count;
return jerry_create_undefined ();
} /* external_function */
static void
test_instanceof (jerry_value_t instanceof,
jerry_value_t constructor)
{
jerry_value_t instance = jerry_construct_object (constructor, NULL, 0);
jerry_value_t args[2] =
{
instance, constructor
};
jerry_value_t undefined = jerry_create_undefined ();
jerry_value_t result = jerry_call_function (instanceof, undefined, args, 2);
jerry_release_value (undefined);
TEST_ASSERT (!jerry_value_is_error (result));
TEST_ASSERT (jerry_value_is_boolean (result));
TEST_ASSERT (jerry_get_boolean_value (result));
jerry_release_value (instance);
jerry_release_value (result);
} /* test_instanceof */
int
main (void)
{
jerry_init (JERRY_INIT_EMPTY);
jerry_value_t instanceof = jerry_eval ((jerry_char_t *) instanceof_source, sizeof (instanceof_source) - 1, true);
/* Test for a native-backed function. */
jerry_value_t constructor = jerry_create_external_function (external_function);
test_instanceof (instanceof, constructor);
jerry_release_value (constructor);
/* Test for a JS constructor. */
jerry_value_t global = jerry_get_global_object ();
jerry_value_t object_name = jerry_create_string ((jerry_char_t *) "Object");
constructor = jerry_get_property (global, object_name);
jerry_release_value (object_name);
jerry_release_value (global);
test_instanceof (instanceof, constructor);
jerry_release_value (constructor);
jerry_release_value (instanceof);
jerry_cleanup ();
return 0;
} /* main */