mirror of
https://github.com/jerryscript-project/jerryscript.git
synced 2025-12-15 16:29:21 +00:00
350 lines
14 KiB
C
350 lines
14 KiB
C
/* 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 "jerryscript.h"
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#include "jerryscript-port.h"
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#include "jerryscript-port-default.h"
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#include "test-common.h"
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/* foo string */
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#define STRING_FOO ((const jerry_char_t *) "foo")
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/* bar string */
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#define STRING_BAR ((const jerry_char_t *) "bar")
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/* Symbol(bar) desciptive string */
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#define SYMBOL_DESCIPTIVE_STRING_BAR "Symbol(bar)"
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/* bar string desciption */
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#define SYMBOL_DESCIPTION_BAR "bar"
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int
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main (void)
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{
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if (!jerry_is_feature_enabled (JERRY_FEATURE_SYMBOL))
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{
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jerry_port_log (JERRY_LOG_LEVEL_ERROR, "Symbol support is disabled!\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 object = jerry_create_object ();
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/* Test for that each symbol is unique independently from their descriptor strings */
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jerry_value_t symbol_desc_1 = jerry_create_string (STRING_FOO);
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jerry_value_t symbol_desc_2 = jerry_create_string (STRING_FOO);
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jerry_value_t symbol_1 = jerry_create_symbol (symbol_desc_1);
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TEST_ASSERT (!jerry_value_is_error (symbol_1));
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TEST_ASSERT (jerry_value_is_symbol (symbol_1));
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jerry_value_t symbol_2 = jerry_create_symbol (symbol_desc_2);
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TEST_ASSERT (!jerry_value_is_error (symbol_2));
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TEST_ASSERT (jerry_value_is_symbol (symbol_2));
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/* The descriptor strings are no longer needed */
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jerry_release_value (symbol_desc_1);
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jerry_release_value (symbol_desc_2);
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jerry_value_t value_1 = jerry_create_number (1);
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jerry_value_t value_2 = jerry_create_number (2);
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jerry_value_t result_val = jerry_set_property (object, symbol_1, value_1);
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TEST_ASSERT (jerry_value_is_boolean (result_val));
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TEST_ASSERT (jerry_value_is_true (jerry_has_property (object, symbol_1)));
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TEST_ASSERT (jerry_value_is_true (jerry_has_own_property (object, symbol_1)));
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result_val = jerry_set_property (object, symbol_2, value_2);
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TEST_ASSERT (jerry_value_is_boolean (result_val));
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TEST_ASSERT (jerry_value_is_true (jerry_has_property (object, symbol_2)));
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TEST_ASSERT (jerry_value_is_true (jerry_has_own_property (object, symbol_2)));
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jerry_value_t get_value_1 = jerry_get_property (object, symbol_1);
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TEST_ASSERT (jerry_get_number_value (get_value_1) == jerry_get_number_value (value_1));
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jerry_release_value (get_value_1);
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jerry_value_t get_value_2 = jerry_get_property (object, symbol_2);
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TEST_ASSERT (jerry_get_number_value (get_value_2) == jerry_get_number_value (value_2));
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jerry_release_value (get_value_2);
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/* Test delete / has_{own}_property */
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TEST_ASSERT (jerry_delete_property (object, symbol_1));
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TEST_ASSERT (!jerry_value_is_true (jerry_has_property (object, symbol_1)));
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TEST_ASSERT (!jerry_value_is_true (jerry_has_own_property (object, symbol_1)));
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jerry_release_value (value_1);
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jerry_release_value (symbol_1);
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/* Test {get, define}_own_property_descriptor */
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jerry_property_descriptor_t prop_desc;
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TEST_ASSERT (jerry_get_own_property_descriptor (object, symbol_2, &prop_desc));
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TEST_ASSERT (prop_desc.flags & JERRY_PROP_IS_VALUE_DEFINED);
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TEST_ASSERT (value_2 == prop_desc.value);
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TEST_ASSERT (jerry_get_number_value (value_2) == jerry_get_number_value (prop_desc.value));
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TEST_ASSERT (prop_desc.flags & JERRY_PROP_IS_WRITABLE);
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TEST_ASSERT (prop_desc.flags & JERRY_PROP_IS_ENUMERABLE);
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TEST_ASSERT (prop_desc.flags & JERRY_PROP_IS_CONFIGURABLE);
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TEST_ASSERT (!(prop_desc.flags & JERRY_PROP_IS_GET_DEFINED));
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TEST_ASSERT (jerry_value_is_undefined (prop_desc.getter));
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TEST_ASSERT (!(prop_desc.flags & JERRY_PROP_IS_SET_DEFINED));
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TEST_ASSERT (jerry_value_is_undefined (prop_desc.setter));
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jerry_property_descriptor_free (&prop_desc);
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/* Modify the descriptor fields */
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prop_desc = jerry_property_descriptor_create ();
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jerry_value_t value_3 = jerry_create_string (STRING_BAR);
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prop_desc.flags |= JERRY_PROP_IS_VALUE_DEFINED
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| JERRY_PROP_IS_WRITABLE_DEFINED
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| JERRY_PROP_IS_ENUMERABLE_DEFINED
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| JERRY_PROP_IS_CONFIGURABLE_DEFINED;
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prop_desc.value = jerry_acquire_value (value_3);
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TEST_ASSERT (jerry_value_is_true (jerry_define_own_property (object, symbol_2, &prop_desc)));
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jerry_property_descriptor_free (&prop_desc);
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/* Check the modified fields */
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TEST_ASSERT (jerry_get_own_property_descriptor (object, symbol_2, &prop_desc));
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TEST_ASSERT (prop_desc.flags & JERRY_PROP_IS_VALUE_DEFINED);
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TEST_ASSERT (value_3 == prop_desc.value);
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TEST_ASSERT (jerry_value_is_string (prop_desc.value));
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TEST_ASSERT (prop_desc.flags & JERRY_PROP_IS_WRITABLE_DEFINED);
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TEST_ASSERT (!(prop_desc.flags & JERRY_PROP_IS_WRITABLE));
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TEST_ASSERT (prop_desc.flags & JERRY_PROP_IS_ENUMERABLE_DEFINED);
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TEST_ASSERT (!(prop_desc.flags & JERRY_PROP_IS_ENUMERABLE));
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TEST_ASSERT (prop_desc.flags & JERRY_PROP_IS_CONFIGURABLE_DEFINED);
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TEST_ASSERT (!(prop_desc.flags & JERRY_PROP_IS_CONFIGURABLE));
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TEST_ASSERT (!(prop_desc.flags & JERRY_PROP_IS_GET_DEFINED));
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TEST_ASSERT (jerry_value_is_undefined (prop_desc.getter));
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TEST_ASSERT (!(prop_desc.flags & JERRY_PROP_IS_SET_DEFINED));
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TEST_ASSERT (jerry_value_is_undefined (prop_desc.setter));
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jerry_property_descriptor_free (&prop_desc);
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jerry_release_value (value_3);
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jerry_release_value (value_2);
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jerry_release_value (symbol_2);
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jerry_release_value (object);
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/* Test creating symbol with a symbol description */
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jerry_value_t empty_symbol_desc = jerry_create_string ((const jerry_char_t *) "");
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jerry_value_t empty_symbol = jerry_create_symbol (empty_symbol_desc);
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TEST_ASSERT (!jerry_value_is_error (empty_symbol));
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TEST_ASSERT (jerry_value_is_symbol (empty_symbol));
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jerry_release_value (empty_symbol_desc);
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jerry_value_t symbol_symbol = jerry_create_symbol (empty_symbol);
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TEST_ASSERT (!jerry_value_is_symbol (symbol_symbol));
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TEST_ASSERT (jerry_value_is_error (symbol_symbol));
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jerry_value_t error_obj = jerry_get_value_from_error (symbol_symbol, true);
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TEST_ASSERT (jerry_get_error_type (error_obj) == JERRY_ERROR_TYPE);
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jerry_release_value (error_obj);
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jerry_release_value (empty_symbol);
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/* Test symbol to string operation with symbol argument */
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jerry_value_t bar_symbol_desc = jerry_create_string (STRING_BAR);
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jerry_value_t bar_symbol = jerry_create_symbol (bar_symbol_desc);
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TEST_ASSERT (!jerry_value_is_error (bar_symbol));
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TEST_ASSERT (jerry_value_is_symbol (bar_symbol));
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jerry_release_value (bar_symbol_desc);
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jerry_value_t bar_symbol_string = jerry_get_symbol_descriptive_string (bar_symbol);
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TEST_ASSERT (jerry_value_is_string (bar_symbol_string));
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jerry_size_t bar_symbol_string_size = jerry_get_string_size (bar_symbol_string);
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TEST_ASSERT (bar_symbol_string_size == (sizeof (SYMBOL_DESCIPTIVE_STRING_BAR) - 1));
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JERRY_VLA (jerry_char_t, str_buff, bar_symbol_string_size);
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jerry_string_to_char_buffer (bar_symbol_string, str_buff, bar_symbol_string_size);
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TEST_ASSERT (memcmp (str_buff, SYMBOL_DESCIPTIVE_STRING_BAR, sizeof (SYMBOL_DESCIPTIVE_STRING_BAR) - 1) == 0);
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jerry_release_value (bar_symbol_string);
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/* Test symbol get description operation with string description */
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bar_symbol_string = jerry_get_symbol_description (bar_symbol);
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TEST_ASSERT (jerry_value_is_string (bar_symbol_string));
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bar_symbol_string_size = jerry_get_string_size (bar_symbol_string);
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TEST_ASSERT (bar_symbol_string_size == (sizeof (SYMBOL_DESCIPTION_BAR) - 1));
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jerry_string_to_char_buffer (bar_symbol_string, str_buff, bar_symbol_string_size);
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TEST_ASSERT (memcmp (str_buff, STRING_BAR, sizeof (SYMBOL_DESCIPTION_BAR) - 1) == 0);
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jerry_release_value (bar_symbol_string);
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jerry_release_value (bar_symbol);
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/* Test symbol get description operation with undefined description */
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jerry_value_t undefined_value = jerry_create_undefined ();
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jerry_value_t undefined_symbol = jerry_create_symbol (undefined_value);
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jerry_release_value (undefined_value);
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TEST_ASSERT (!jerry_value_is_error (bar_symbol));
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TEST_ASSERT (jerry_value_is_symbol (bar_symbol));
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undefined_value = jerry_get_symbol_description (undefined_symbol);
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TEST_ASSERT (jerry_value_is_undefined (undefined_value));
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jerry_release_value (undefined_value);
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jerry_release_value (undefined_symbol);
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/* Test symbol to string operation with non-symbol argument */
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jerry_value_t null_value = jerry_create_null ();
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jerry_value_t to_string_value = jerry_get_symbol_descriptive_string (null_value);
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TEST_ASSERT (jerry_value_is_error (to_string_value));
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error_obj = jerry_get_value_from_error (to_string_value, true);
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TEST_ASSERT (jerry_get_error_type (error_obj) == JERRY_ERROR_TYPE);
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jerry_release_value (error_obj);
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jerry_release_value (null_value);
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const jerry_char_t obj_src[] = ""
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"({"
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" [Symbol.asyncIterator]: 1,"
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" [Symbol.hasInstance]: 2,"
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" [Symbol.isConcatSpreadable]: 3,"
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" [Symbol.iterator]: 4,"
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" [Symbol.match]: 5,"
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" [Symbol.replace]: 6,"
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" [Symbol.search]: 7,"
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" [Symbol.species]: 8,"
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" [Symbol.split]: 9,"
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" [Symbol.toPrimitive]: 10,"
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" [Symbol.toStringTag]: 11,"
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" [Symbol.unscopables]: 12,"
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" [Symbol.matchAll]: 13,"
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"})";
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const char *symbols[] =
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{
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"asyncIterator",
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"hasInstance",
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"isConcatSpreadable",
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"iterator",
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"match",
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"replace",
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"search",
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"species",
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"split",
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"toPrimitive",
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"toStringTag",
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"unscopables",
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"matchAll",
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};
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jerry_value_t obj = jerry_eval (obj_src, sizeof (obj_src) - 1, JERRY_PARSE_NO_OPTS);
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TEST_ASSERT (jerry_value_is_object (obj));
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jerry_value_t global_obj = jerry_get_global_object ();
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jerry_value_t symbol_str = jerry_create_string ((const jerry_char_t *) "Symbol");
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jerry_value_t builtin_symbol = jerry_get_property (global_obj, symbol_str);
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TEST_ASSERT (jerry_value_is_object (builtin_symbol));
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double expected = 1.0;
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uint32_t prop_index = 0;
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for (jerry_well_known_symbol_t id = JERRY_SYMBOL_ASYNC_ITERATOR;
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id <= JERRY_SYMBOL_MATCH_ALL;
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id++, expected++, prop_index++)
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{
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jerry_value_t well_known_symbol = jerry_get_well_known_symbol (id);
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jerry_value_t prop_str = jerry_create_string ((const jerry_char_t *) symbols[prop_index]);
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jerry_value_t current_global_symbol = jerry_get_property (builtin_symbol, prop_str);
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jerry_release_value (prop_str);
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jerry_value_t relation = jerry_binary_operation (JERRY_BIN_OP_STRICT_EQUAL,
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well_known_symbol,
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current_global_symbol);
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TEST_ASSERT (jerry_value_is_boolean (relation)
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&& jerry_value_is_true (relation));
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jerry_release_value (relation);
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jerry_value_t prop_result_wn = jerry_get_property (obj, well_known_symbol);
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jerry_value_t prop_result_global = jerry_get_property (obj, current_global_symbol);
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TEST_ASSERT (jerry_value_is_number (prop_result_wn));
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double number_wn = jerry_get_number_value (prop_result_wn);
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TEST_ASSERT (number_wn == expected);
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TEST_ASSERT (jerry_value_is_number (prop_result_global));
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double number_global = jerry_get_number_value (prop_result_global);
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TEST_ASSERT (number_global == expected);
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jerry_release_value (prop_result_global);
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jerry_release_value (prop_result_wn);
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jerry_release_value (current_global_symbol);
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jerry_release_value (well_known_symbol);
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}
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jerry_release_value (builtin_symbol);
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/* Deletion of the 'Symbol' builtin makes the well-known symbols unaccessible from JS context
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but the symbols still can be obtained via 'jerry_get_well_known_symbol' */
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const jerry_char_t deleter_src[] = "delete Symbol";
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jerry_value_t deleter = jerry_eval (deleter_src, sizeof (deleter_src) - 1, JERRY_PARSE_NO_OPTS);
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TEST_ASSERT (jerry_value_is_boolean (deleter)
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&& jerry_value_is_true (deleter));
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jerry_release_value (deleter);
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builtin_symbol = jerry_get_property (global_obj, symbol_str);
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TEST_ASSERT (jerry_value_is_undefined (builtin_symbol));
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jerry_release_value (builtin_symbol);
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expected = 1.0;
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prop_index = 0;
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for (jerry_well_known_symbol_t id = JERRY_SYMBOL_ASYNC_ITERATOR;
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id <= JERRY_SYMBOL_MATCH_ALL;
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id++, expected++, prop_index++)
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{
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jerry_value_t well_known_symbol = jerry_get_well_known_symbol (id);
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jerry_value_t prop_result_wn = jerry_get_property (obj, well_known_symbol);
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TEST_ASSERT (jerry_value_is_number (prop_result_wn));
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double number_wn = jerry_get_number_value (prop_result_wn);
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TEST_ASSERT (number_wn == expected);
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jerry_release_value (prop_result_wn);
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jerry_release_value (well_known_symbol);
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}
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jerry_well_known_symbol_t invalid_symbol = (jerry_well_known_symbol_t) (JERRY_SYMBOL_MATCH_ALL + 1);
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jerry_value_t invalid_well_known_symbol = jerry_get_well_known_symbol (invalid_symbol);
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TEST_ASSERT (jerry_value_is_undefined (invalid_well_known_symbol));
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jerry_release_value (invalid_well_known_symbol);
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invalid_symbol = (jerry_well_known_symbol_t) (JERRY_SYMBOL_ASYNC_ITERATOR - 1);
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invalid_well_known_symbol = jerry_get_well_known_symbol (invalid_symbol);
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TEST_ASSERT (jerry_value_is_undefined (invalid_well_known_symbol));
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jerry_release_value (invalid_well_known_symbol);
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jerry_release_value (symbol_str);
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jerry_release_value (global_obj);
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jerry_release_value (obj);
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jerry_cleanup ();
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return 0;
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} /* main */
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