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Import of the watch repository from Pebble
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Matthieu Jeanson
Katharine Berry
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3b92768480
10334 changed files with 2564465 additions and 0 deletions
223
third_party/jerryscript/tests/unit/test-strings.c
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third_party/jerryscript/tests/unit/test-strings.c
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/* Copyright 2015-2016 Samsung Electronics Co., Ltd.
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* Copyright 2016 University of Szeged.
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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 "ecma-helpers.h"
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#include "lit-strings.h"
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#include "ecma-init-finalize.h"
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#include "test-common.h"
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// Iterations count
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#define test_iters (1024)
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// Sub iterations count
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#define test_subiters (128)
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// Max bytes in string
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#define max_bytes_in_string (16 * 1024)
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#define max_code_units_in_string (max_bytes_in_string)
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typedef enum
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{
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CESU8_ANY_SIZE,
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CESU8_ONE_BYTE,
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CESU8_TWO_BYTES,
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CESU8_THREE_BYTES,
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} utf8_char_size;
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static lit_utf8_size_t
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generate_cesu8_char (utf8_char_size char_size,
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lit_utf8_byte_t *buf)
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{
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TEST_ASSERT (char_size >= 0 && char_size <= LIT_CESU8_MAX_BYTES_IN_CODE_UNIT);
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lit_code_point_t code_point = (lit_code_point_t) rand ();
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if (char_size == 1)
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{
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code_point %= LIT_UTF8_1_BYTE_CODE_POINT_MAX;
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}
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else if (char_size == 2)
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{
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code_point = LIT_UTF8_2_BYTE_CODE_POINT_MIN + code_point % (LIT_UTF8_2_BYTE_CODE_POINT_MAX -
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LIT_UTF8_2_BYTE_CODE_POINT_MIN);
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}
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else if (char_size == 3)
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{
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code_point = LIT_UTF8_3_BYTE_CODE_POINT_MIN + code_point % (LIT_UTF8_3_BYTE_CODE_POINT_MAX -
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LIT_UTF8_3_BYTE_CODE_POINT_MIN);
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}
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else
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{
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code_point %= LIT_UTF8_3_BYTE_CODE_POINT_MAX;
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}
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if (code_point >= LIT_UTF16_HIGH_SURROGATE_MIN
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&& code_point <= LIT_UTF16_LOW_SURROGATE_MAX)
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{
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code_point = LIT_UTF16_HIGH_SURROGATE_MIN - 1;
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}
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return lit_code_unit_to_utf8 ((ecma_char_t) code_point, buf);
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} /* generate_cesu8_char */
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static ecma_length_t
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generate_cesu8_string (lit_utf8_byte_t *buf_p,
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lit_utf8_size_t buf_size)
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{
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ecma_length_t length = 0;
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lit_utf8_size_t size = 0;
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while (size < buf_size)
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{
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const utf8_char_size char_size = (((buf_size - size) > LIT_CESU8_MAX_BYTES_IN_CODE_UNIT)
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? CESU8_ANY_SIZE
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: (utf8_char_size) (buf_size - size));
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lit_utf8_size_t bytes_generated = generate_cesu8_char (char_size, buf_p);
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TEST_ASSERT (lit_is_cesu8_string_valid (buf_p, bytes_generated));
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size += bytes_generated;
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buf_p += bytes_generated;
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length++;
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}
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TEST_ASSERT (size == buf_size);
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return length;
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} /* generate_cesu8_string */
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int
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main ()
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{
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TEST_INIT ();
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jmem_init ();
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ecma_init ();
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lit_utf8_byte_t cesu8_string[max_bytes_in_string];
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ecma_char_t code_units[max_code_units_in_string];
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const lit_utf8_byte_t *saved_positions[max_code_units_in_string];
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for (int i = 0; i < test_iters; i++)
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{
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lit_utf8_size_t cesu8_string_size = (i == 0) ? 0 : (lit_utf8_size_t) (rand () % max_bytes_in_string);
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ecma_length_t length = generate_cesu8_string (cesu8_string, cesu8_string_size);
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ecma_string_t *char_collection_string_p = ecma_new_ecma_string_from_utf8 (cesu8_string, cesu8_string_size);
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ecma_length_t char_collection_len = ecma_string_get_length (char_collection_string_p);
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TEST_ASSERT (char_collection_len == length);
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ecma_deref_ecma_string (char_collection_string_p);
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TEST_ASSERT (lit_utf8_string_length (cesu8_string, cesu8_string_size) == length);
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const lit_utf8_byte_t *curr_p = cesu8_string;
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const lit_utf8_byte_t *end_p = cesu8_string + cesu8_string_size;
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ecma_length_t calculated_length = 0;
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ecma_length_t code_units_count = 0;
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while (curr_p < end_p)
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{
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code_units[code_units_count] = lit_utf8_peek_next (curr_p);
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saved_positions[code_units_count] = curr_p;
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code_units_count++;
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calculated_length++;
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lit_utf8_incr (&curr_p);
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}
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TEST_ASSERT (length == calculated_length);
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if (code_units_count > 0)
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{
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for (int j = 0; j < test_subiters; j++)
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{
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ecma_length_t index = (ecma_length_t) rand () % code_units_count;
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curr_p = saved_positions[index];
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TEST_ASSERT (lit_utf8_peek_next (curr_p) == code_units[index]);
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}
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}
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curr_p = (lit_utf8_byte_t *) end_p;
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while (curr_p > cesu8_string)
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{
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TEST_ASSERT (code_units_count > 0);
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calculated_length--;
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TEST_ASSERT (code_units[calculated_length] == lit_utf8_peek_prev (curr_p));
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lit_utf8_decr (&curr_p);
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}
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TEST_ASSERT (calculated_length == 0);
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while (curr_p < end_p)
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{
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ecma_char_t code_unit = lit_utf8_read_next (&curr_p);
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TEST_ASSERT (code_unit == code_units[calculated_length]);
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calculated_length++;
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}
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TEST_ASSERT (length == calculated_length);
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while (curr_p > cesu8_string)
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{
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TEST_ASSERT (code_units_count > 0);
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calculated_length--;
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TEST_ASSERT (code_units[calculated_length] == lit_utf8_read_prev (&curr_p));
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}
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TEST_ASSERT (calculated_length == 0);
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}
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/* Overlong-encoded code point */
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lit_utf8_byte_t invalid_cesu8_string_1[] = {0xC0, 0x82};
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TEST_ASSERT (!lit_is_cesu8_string_valid (invalid_cesu8_string_1, sizeof (invalid_cesu8_string_1)));
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/* Overlong-encoded code point */
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lit_utf8_byte_t invalid_cesu8_string_2[] = {0xE0, 0x80, 0x81};
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TEST_ASSERT (!lit_is_cesu8_string_valid (invalid_cesu8_string_2, sizeof (invalid_cesu8_string_2)));
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/* Pair of surrogates: 0xD901 0xDFF0 which encode Unicode character 0x507F0 */
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lit_utf8_byte_t invalid_cesu8_string_3[] = {0xED, 0xA4, 0x81, 0xED, 0xBF, 0xB0};
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TEST_ASSERT (lit_is_cesu8_string_valid (invalid_cesu8_string_3, sizeof (invalid_cesu8_string_3)));
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/* Isolated high surrogate 0xD901 */
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lit_utf8_byte_t valid_utf8_string_1[] = {0xED, 0xA4, 0x81};
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TEST_ASSERT (lit_is_cesu8_string_valid (valid_utf8_string_1, sizeof (valid_utf8_string_1)));
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lit_utf8_byte_t res_buf[3];
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lit_utf8_size_t res_size;
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res_size = lit_code_unit_to_utf8 (0x73, res_buf);
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TEST_ASSERT (res_size == 1);
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TEST_ASSERT (res_buf[0] == 0x73);
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res_size = lit_code_unit_to_utf8 (0x41A, res_buf);
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TEST_ASSERT (res_size == 2);
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TEST_ASSERT (res_buf[0] == 0xD0);
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TEST_ASSERT (res_buf[1] == 0x9A);
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res_size = lit_code_unit_to_utf8 (0xD7FF, res_buf);
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TEST_ASSERT (res_size == 3);
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TEST_ASSERT (res_buf[0] == 0xED);
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TEST_ASSERT (res_buf[1] == 0x9F);
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TEST_ASSERT (res_buf[2] == 0xBF);
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ecma_finalize ();
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jmem_finalize ();
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return 0;
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} /* main */
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