Add a Proxy C unittest (#3633)
Previously only the Proxy api was tested. Added a unittest to check the C callbacks via proxy. JerryScript-DCO-1.0-Signed-off-by: Peter Gal pgal.u-szeged@partner.samsung.com
This commit is contained in:
Péter Gál
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/* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "config.h"
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#include "jerryscript.h"
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#include "test-common.h"
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/** Test in Proxy on C side. Equivalent test code in JS:
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var demo = 0.0;
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var target = {};
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var handler = {
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get: function (target, name, recv) {
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assert (typeof (target) === 'object');
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assert (name === 'value');
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assert (typeof (recv) === 'object');
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return demo++;
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}
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set: function (target, name, value, recv) {
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assert (typeof (target) === 'object');
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assert (name === 'value');
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assert (typeof (recv) === 'object');
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demo = 55;
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return demo;
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}
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};
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var pdemo = new Proxy(target, handler);
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assert (pdemo.value === 1.0);
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assert (pdemo.value === 1.0);
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assert (pdemo.value === 2.0);
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pdemo.value = 55;
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assert (pdemo.value === 56);
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pdemo.value = 12;
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assert (pdemo.value === 13);
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*/
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static int demo_value = 0;
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static jerry_value_t
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handler_get (const jerry_value_t function_obj, /**< function object */
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const jerry_value_t this_val, /**< this arg */
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const jerry_value_t args_p[], /**< function arguments */
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const jerry_length_t args_count) /**< number of function arguments */
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{
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JERRY_UNUSED (function_obj);
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JERRY_UNUSED (this_val);
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TEST_ASSERT (args_count == 3);
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TEST_ASSERT (jerry_value_is_object (args_p[0])); /* target */
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TEST_ASSERT (jerry_value_is_string (args_p[1])); /* P */
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TEST_ASSERT (jerry_value_is_object (args_p[2])); /* receiver */
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const char expected[] = "value";
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char buffer[10];
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jerry_size_t copied = jerry_string_to_char_buffer (args_p[1], (jerry_char_t *) buffer, 10);
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TEST_ASSERT (copied == 5);
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TEST_ASSERT (strncmp (expected, buffer, 5) == 0);
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demo_value++;
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return jerry_create_number (demo_value);
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} /* handler_get */
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static jerry_value_t
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handler_set (const jerry_value_t function_obj, /**< function object */
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const jerry_value_t this_val, /**< this arg */
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const jerry_value_t args_p[], /**< function arguments */
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const jerry_length_t args_count) /**< number of function arguments */
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{
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JERRY_UNUSED (function_obj);
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JERRY_UNUSED (this_val);
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JERRY_UNUSED (args_p);
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JERRY_UNUSED (args_count);
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TEST_ASSERT (args_count == 4);
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TEST_ASSERT (jerry_value_is_object (args_p[0])); /* target */
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TEST_ASSERT (jerry_value_is_string (args_p[1])); /* P */
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TEST_ASSERT (jerry_value_is_number (args_p[2])); /* V */
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TEST_ASSERT (jerry_value_is_object (args_p[3])); /* receiver */
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const char expected[] = "value";
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char buffer[10];
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jerry_size_t copied = jerry_string_to_char_buffer (args_p[1], (jerry_char_t *) buffer, 10);
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TEST_ASSERT (copied == 5);
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TEST_ASSERT (strncmp (expected, buffer, 5) == 0);
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TEST_ASSERT (jerry_value_is_number (args_p[2]));
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demo_value = (int) jerry_get_number_value (args_p[2]);
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return jerry_create_number (demo_value);
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} /* handler_set */
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static void
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set_property (jerry_value_t target, /**< target object */
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const char *name_p, /**< name of the property */
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jerry_value_t value) /**< value of the property */
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{
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jerry_value_t name_val = jerry_create_string ((const jerry_char_t *) name_p);
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jerry_value_t result_val = jerry_set_property (target, name_val, value);
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TEST_ASSERT (jerry_value_is_boolean (result_val));
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TEST_ASSERT (jerry_get_boolean_value (result_val));
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jerry_release_value (name_val);
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} /* set_property */
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static jerry_value_t
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get_property (jerry_value_t target, /**< target object */
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const char *name_p) /**< name of the property */
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{
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jerry_value_t name_val = jerry_create_string ((const jerry_char_t *) name_p);
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jerry_value_t result_val = jerry_get_property (target, name_val);
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TEST_ASSERT (!jerry_value_is_error (result_val));
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jerry_release_value (name_val);
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return result_val;
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} /* get_property */
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static void
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set_function (jerry_value_t target, /**< target object */
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const char *name_p, /**< name of the function */
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jerry_external_handler_t handler_p) /**< function callback */
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{
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jerry_value_t function_val = jerry_create_external_function (handler_p);
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set_property (target, name_p, function_val);
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jerry_release_value (function_val);
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} /* set_function */
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int
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main (void)
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{
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TEST_INIT ();
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if (!jerry_is_feature_enabled (JERRY_FEATURE_PROXY))
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{
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printf ("Skipping test, Proxy not enabled\n");
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return 0;
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}
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jerry_init (JERRY_INIT_EMPTY);
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jerry_value_t handler = jerry_create_object ();
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{
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set_function (handler, "get", handler_get);
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set_function (handler, "set", handler_set);
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}
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jerry_value_t target = jerry_create_object ();
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jerry_value_t proxy = jerry_create_proxy (target, handler);
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{
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jerry_value_t global = jerry_get_global_object ();
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set_property (global, "pdemo", proxy);
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jerry_release_value (global);
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}
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const jerry_char_t get_value_src[] = TEST_STRING_LITERAL ("pdemo.value");
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jerry_value_t parsed_get_code_val = jerry_parse (NULL,
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0,
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get_value_src,
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sizeof (get_value_src) - 1,
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JERRY_PARSE_NO_OPTS);
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TEST_ASSERT (!jerry_value_is_error (parsed_get_code_val));
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{
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jerry_value_t res = jerry_run (parsed_get_code_val);
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TEST_ASSERT (jerry_value_is_number (res));
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TEST_ASSERT (jerry_get_number_value (res) == 1.0);
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jerry_release_value (res);
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}
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{
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jerry_value_t res = get_property (proxy, "value");
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TEST_ASSERT (jerry_value_is_number (res));
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TEST_ASSERT (jerry_get_number_value (res) == 2.0);
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jerry_release_value (res);
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}
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{
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jerry_value_t res = jerry_run (parsed_get_code_val);
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TEST_ASSERT (jerry_value_is_number (res));
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TEST_ASSERT (jerry_get_number_value (res) == 3.0);
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jerry_release_value (res);
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}
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const jerry_char_t set_value_src[] = TEST_STRING_LITERAL ("pdemo.value = 55");
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jerry_value_t parsed_set_code_val = jerry_parse (NULL,
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0,
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set_value_src,
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sizeof (set_value_src) - 1,
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JERRY_PARSE_NO_OPTS);
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TEST_ASSERT (!jerry_value_is_error (parsed_set_code_val));
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{
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jerry_value_t res = jerry_run (parsed_set_code_val);
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TEST_ASSERT (jerry_value_is_number (res));
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TEST_ASSERT (jerry_get_number_value (res) == 55);
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jerry_release_value (res);
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}
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{
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jerry_value_t res = jerry_run (parsed_get_code_val);
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TEST_ASSERT (jerry_value_is_number (res));
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TEST_ASSERT (jerry_get_number_value (res) == 56);
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jerry_release_value (res);
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}
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{
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jerry_value_t new_value = jerry_create_number (12);
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set_property (proxy, "value", new_value);
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jerry_release_value (new_value);
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}
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{
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jerry_value_t res = get_property (proxy, "value");
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TEST_ASSERT (jerry_value_is_number (res));
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TEST_ASSERT (jerry_get_number_value (res) == 13.0);
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jerry_release_value (res);
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}
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jerry_release_value (parsed_set_code_val);
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jerry_release_value (parsed_get_code_val);
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jerry_release_value (proxy);
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jerry_release_value (target);
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jerry_release_value (handler);
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jerry_cleanup ();
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return 0;
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} /* main */
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