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Copy the characters of a cesu-8 encoded substring into a specified buffer (#1516)

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JerryScript-DCO-1.0-Signed-off-by: Robert Sipka rsipka.uszeged@partner.samsung.com
This commit is contained in:
Robert Sipka
2017-01-13 13:27:07 +01:00
committed by GitHub
parent adfe61b4ed
commit 7139f0172a
6 changed files with 267 additions and 1 deletions
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tests/unit/test-api.c
+90 -1
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@@ -376,7 +376,7 @@ main (void)
jerry_string_to_utf8_char_buffer (args[0], (jerry_char_t *) string_from_utf8_string, utf8_sz);
jerry_string_to_utf8_char_buffer (args[1], (jerry_char_t *) string_from_cesu8_string, cesu8_sz);
TEST_ASSERT (!strncmp (string_from_utf8, string_from_cesu8, utf8_sz));
TEST_ASSERT (!strncmp (string_from_utf8_string, string_from_cesu8_string, utf8_sz));
jerry_release_value (args[0]);
jerry_release_value (args[1]);
@@ -430,6 +430,95 @@ main (void)
TEST_ASSERT (utf8_sz == 12);
jerry_release_value (args[0]);
/* Test jerry_substring_to_char_buffer */
args[0] = jerry_create_string ((jerry_char_t *) "an ascii string");
/* Buffer size */
cesu8_sz = 5;
char substring[cesu8_sz];
sz = jerry_substring_to_char_buffer (args[0], 3, 8, (jerry_char_t *) substring, cesu8_sz);
TEST_ASSERT (sz == 5);
TEST_ASSERT (!strncmp (substring, "ascii", sz));
/* Buffer size is 5, substring length is 11 => copied only the first 5 char */
sz = jerry_substring_to_char_buffer (args[0], 0, 11, (jerry_char_t *) substring, cesu8_sz);
TEST_ASSERT (sz == 5);
TEST_ASSERT (!strncmp (substring, "an as", sz));
/* Position of the first character is greater than the string length */
sz = jerry_substring_to_char_buffer (args[0], 16, 21, (jerry_char_t *) substring, cesu8_sz);
TEST_ASSERT (sz == 0);
sz = jerry_substring_to_char_buffer (args[0], 14, 15, (jerry_char_t *) substring, cesu8_sz);
TEST_ASSERT (sz == 1);
TEST_ASSERT (!strncmp (substring, "g", sz));
sz = jerry_substring_to_char_buffer (args[0], 0, 1, (jerry_char_t *) substring, cesu8_sz);
TEST_ASSERT (sz == 1);
TEST_ASSERT (!strncmp (substring, "a", sz));
cesu8_length = jerry_get_string_length (args[0]);
cesu8_sz = jerry_get_string_size (args[0]);
TEST_ASSERT (cesu8_length == 15);
TEST_ASSERT (cesu8_length == cesu8_sz);
sz = jerry_substring_to_char_buffer (args[0], 0, cesu8_length, (jerry_char_t *) substring, cesu8_sz);
TEST_ASSERT (sz = 15);
TEST_ASSERT (!strncmp (substring, "an ascii string", sz));
jerry_release_value (args[0]);
/* Test jerry_substring_to_char_buffer: '0101' */
args[0] = jerry_create_string ((jerry_char_t *) "0101");
cesu8_sz = jerry_get_string_size (args[0]);
char number_substring[cesu8_sz];
sz = jerry_substring_to_char_buffer (args[0], 1, 3, (jerry_char_t *) number_substring, cesu8_sz);
TEST_ASSERT (sz == 2);
TEST_ASSERT (!strncmp (number_substring, "10", sz));
jerry_release_value (args[0]);
/* Test jerry_substring_to_char_buffer: 'str: {greek zero sign}' */
args[0] = jerry_create_string ((jerry_char_t *) "\x73\x74\x72\x3a \xed\xa0\x80\xed\xb6\x8a");
cesu8_sz = jerry_get_string_size (args[0]);
cesu8_length = jerry_get_string_length (args[0]);
TEST_ASSERT (cesu8_sz == 11);
TEST_ASSERT (cesu8_length = 7);
char supl_substring[cesu8_sz];
sz = jerry_substring_to_char_buffer (args[0], 0, cesu8_length, (jerry_char_t *) supl_substring, cesu8_sz);
TEST_ASSERT (sz == 11);
TEST_ASSERT (!strncmp (supl_substring, "\x73\x74\x72\x3a \xed\xa0\x80\xed\xb6\x8a", sz));
/* Decrease the buffer size => the low surrogate char will not fit into the buffer */
cesu8_sz -= 1;
sz = jerry_substring_to_char_buffer (args[0], 0, cesu8_length, (jerry_char_t *) supl_substring, cesu8_sz);
TEST_ASSERT (sz == 8);
TEST_ASSERT (!strncmp (supl_substring, "\x73\x74\x72\x3a \xed\xa0\x80", sz));
sz = jerry_substring_to_char_buffer (args[0],
cesu8_length - 1,
cesu8_length,
(jerry_char_t *) supl_substring,
cesu8_sz);
TEST_ASSERT (sz == 3);
TEST_ASSERT (!strncmp (supl_substring, "\xed\xb6\x8a", sz));
sz = jerry_substring_to_char_buffer (args[0],
cesu8_length - 2,
cesu8_length - 1,
(jerry_char_t *) supl_substring,
cesu8_sz);
TEST_ASSERT (sz == 3);
TEST_ASSERT (!strncmp (supl_substring, "\xed\xa0\x80", sz));
jerry_release_value (args[0]);
/* Get global.boo (non-existing field) */
val_t = get_property (global_obj_val, "boo");
TEST_ASSERT (!jerry_value_has_error_flag (val_t));