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Add an API function to calculate the UTF-8 encoded string size from Jerry string. (#1450)

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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
2016-11-29 12:25:18 +01:00
committed by GitHub
parent 6a2f54456f
commit 0467239d03
8 changed files with 189 additions and 11 deletions
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tests/unit/test-api.c
+45 -11
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@@ -304,7 +304,8 @@ main (void)
TEST_INIT ();
bool is_ok;
jerry_size_t sz;
jerry_size_t sz, utf8_sz, cesu8_sz;
jerry_length_t cesu8_length;
jerry_value_t val_t, val_foo, val_bar, val_A, val_A_prototype, val_a, val_a_foo, val_value_field, val_p, val_np;
jerry_value_t val_call_external;
jerry_value_t global_obj_val, obj_val;
@@ -339,17 +340,20 @@ main (void)
TEST_ASSERT (sz == 0);
jerry_release_value (args[0]);
// Test create_jerry_string_from_utf8 with 4-byte long unicode sequences
args[0] = jerry_create_string_from_utf8 ((jerry_char_t *) "\x73\x74\x72\x3a\xf0\x90\x90\x80");
args[1] = jerry_create_string ((jerry_char_t *) "\x73\x74\x72\x3a\xed\xa0\x81\xed\xb0\x80");
/* Test create_jerry_string_from_utf8 with 4-byte long unicode sequences,
* test string: 'str: {DESERET CAPITAL LETTER LONG I}'
*/
args[0] = jerry_create_string_from_utf8 ((jerry_char_t *) "\x73\x74\x72\x3a \xf0\x90\x90\x80");
args[1] = jerry_create_string ((jerry_char_t *) "\x73\x74\x72\x3a \xed\xa0\x81\xed\xb0\x80");
jerry_size_t utf8_sz = jerry_get_string_size (args[0]);
jerry_size_t cesu8_sz = jerry_get_string_size (args[1]);
/* these size must be equal */
utf8_sz = jerry_get_string_size (args[0]);
cesu8_sz = jerry_get_string_size (args[1]);
char string_from_utf8[utf8_sz];
char string_from_cesu8[cesu8_sz];
jerry_string_to_char_buffer (args[1], (jerry_char_t *) string_from_utf8, utf8_sz);
jerry_string_to_char_buffer (args[0], (jerry_char_t *) string_from_utf8, utf8_sz);
jerry_string_to_char_buffer (args[1], (jerry_char_t *) string_from_cesu8, cesu8_sz);
TEST_ASSERT (utf8_sz == cesu8_sz);
@@ -357,11 +361,41 @@ main (void)
jerry_release_value (args[0]);
jerry_release_value (args[1]);
// Test create_jerry_string_from_utf8 with 4-byte long unicode sequences
args[0] = jerry_create_string_from_utf8 ((jerry_char_t *) "\x73\x74\x72\x3a\xf0\x9d\x94\xa3\xf0\x9d\x94\xa4");
jerry_length_t cesu8_length = jerry_get_string_length (args[0]);
/* Test string: 'str: {MATHEMATICAL FRAKTUR SMALL F}{MATHEMATICAL FRAKTUR SMALL G}' */
args[0] = jerry_create_string_from_utf8 ((jerry_char_t *) "\x73\x74\x72\x3a \xf0\x9d\x94\xa3 \xf0\x9d\x94\xa4");
TEST_ASSERT (cesu8_length == 8);
cesu8_length = jerry_get_string_length (args[0]);
cesu8_sz = jerry_get_string_size (args[0]);
utf8_sz = jerry_get_utf8_string_size (args[0]);
TEST_ASSERT (cesu8_length == 10);
TEST_ASSERT (cesu8_sz != utf8_sz);
TEST_ASSERT (utf8_sz == 14 && cesu8_sz == 18);
jerry_release_value (args[0]);
/* Test string: 'str: {DESERET CAPITAL LETTER LONG I}' */
args[0] = jerry_create_string ((jerry_char_t *) "\x73\x74\x72\x3a \xed\xa0\x81\xed\xb0\x80");
cesu8_length = jerry_get_string_length (args[0]);
cesu8_sz = jerry_get_string_size (args[0]);
utf8_sz = jerry_get_utf8_string_size (args[0]);
TEST_ASSERT (cesu8_length == 7);
TEST_ASSERT (cesu8_sz != utf8_sz);
TEST_ASSERT (utf8_sz == 9 && cesu8_sz == 11);
jerry_release_value (args[0]);
/* Test string: 'price: 10{EURO SIGN}' */
args[0] = jerry_create_string_from_utf8 ((jerry_char_t *) "\x70\x72\x69\x63\x65\x3a \x31\x30\xe2\x82\xac");
cesu8_length = jerry_get_string_length (args[0]);
cesu8_sz = jerry_get_string_size (args[0]);
utf8_sz = jerry_get_utf8_string_size (args[0]);
TEST_ASSERT (cesu8_length == 10);
TEST_ASSERT (cesu8_sz == utf8_sz);
TEST_ASSERT (utf8_sz == 12);
jerry_release_value (args[0]);
// Get global.boo (non-existing field)