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Optimize lit_is_valid_utf8_string (#4762)

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JerryScript-DCO-1.0-Signed-off-by: Gergo Csizi csgergo92@gmail.com
This commit is contained in:
Gergo Csizi
2021-10-20 15:45:47 +02:00
committed by GitHub
parent 4e8d6344a8
commit c446871214
2 changed files with 85 additions and 59 deletions
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tests/unit-core/test-strings.c
+36
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@@ -215,6 +215,42 @@ main (void)
TEST_ASSERT (res_buf[1] == 0x9F);
TEST_ASSERT (res_buf[2] == 0xBF);
/* Ascii string */
lit_utf8_byte_t utf8_string_ascii[] = {'G','o','o','d','b','y','e'};
TEST_ASSERT (lit_is_valid_utf8_string (utf8_string_ascii, sizeof (utf8_string_ascii), true));
/* Control character */
lit_utf8_byte_t utf8_string_control[] = {0x00};
TEST_ASSERT (lit_is_valid_utf8_string (utf8_string_control, sizeof (utf8_string_control), true));
/* 3 byte characters */
lit_utf8_byte_t utf8_string_3byte[] = {0xe4, 0xbd, 0xa0, 0xe5, 0xa5, 0xbd, 0xe4, 0xb8, 0x96, 0xe7, 0x95, 0x8c};
TEST_ASSERT (lit_is_valid_utf8_string (utf8_string_3byte, sizeof (utf8_string_3byte), true));
/* 4 byte characters */
lit_utf8_byte_t utf8_string_4byte[] = {0xf0, 0x90, 0x80, 0x80, 0xf0, 0x9f, 0xa7, 0xbf};
TEST_ASSERT (lit_is_valid_utf8_string (utf8_string_4byte, sizeof (utf8_string_4byte), true));
/* Invalid continuation byte */
lit_utf8_byte_t utf8_string_invalid[] = {0xa0};
TEST_ASSERT (!lit_is_valid_utf8_string (utf8_string_invalid, sizeof (utf8_string_invalid), true));
/* Isolated high surrogate */
lit_utf8_byte_t utf8_string_high[] = {0xed, 0xa0, 0x80};
TEST_ASSERT (lit_is_valid_utf8_string (utf8_string_high, sizeof (utf8_string_high), true));
/* Isolated low surrogate */
lit_utf8_byte_t utf8_string_low[] = {0xed, 0xbf, 0xbf};
TEST_ASSERT (lit_is_valid_utf8_string (utf8_string_low, sizeof (utf8_string_low), true));
/* Correct pair of surrogates in strict*/
lit_utf8_byte_t utf8_string_surrogates_strict[] = {0xed, 0xa0, 0x80, 0xed, 0xbf, 0xbf};
TEST_ASSERT (!lit_is_valid_utf8_string (utf8_string_surrogates_strict, sizeof (utf8_string_surrogates_strict), true));
/* Correct pair of surrogates*/
lit_utf8_byte_t utf8_string_surrogates[] = {0xed, 0xa0, 0x80, 0xed, 0xbf, 0xbf};
TEST_ASSERT (lit_is_valid_utf8_string (utf8_string_surrogates, sizeof (utf8_string_surrogates), false));
ecma_finalize ();
jmem_finalize ();