836 lines
28 KiB
C
836 lines
28 KiB
C
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/*
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* The UTF-8 decoder tests are based on the UTF-8 decoder capability
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* and stress test" 2015-08-26 by Markus Kuhn. A copy of that file
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* named "UTF-8-test.txt" should be in the source directory for this file */
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#if defined(HAVE_CONFIG_H)
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#include "config_ac.h"
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#endif
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#include "string_calls.h"
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#include "test_common.h"
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// Abbreviate UCS_REPLACEMENT_CHARACTER for utf8_decode_sub_test arrays
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#define URC UCS_REPLACEMENT_CHARACTER
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struct utf8_decode_sub_test
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{
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const char *testref;
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const char *utf8str;
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// This array will contain 0 values after the initialised part
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const char32_t expected[65];
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};
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// Abbreviate UCS_REPLACEMENT_CHARACTER for utf8_encode_sub_test arrays
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#define E_URC { 0xef, 0xbf, 0xbd }
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struct utf8_encode_sub_test
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{
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const char *testref;
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char32_t c32;
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unsigned int expected_len;
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char expected_str[MAXLEN_UTF8_CHAR];
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};
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// Used as the simple test in UTF-8-test.txt
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const static char greek_kosme[] =
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"\xce\xba" // GREEK SMALL LETTER KAPPA
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"\xe1\xbd\xb9" // GREEK SMALL LETTER OMICRON WITH OXIA
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"\xcf\x83" // GREEK SMALL LETTER SIGMA
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"\xce\xbc" // GREEK SMALL LETTER MU
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"\xce\xb5"; // GREEK SMALL LETTER EPSILON
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// See Issue #2603
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const static char simple_test_with_emoji[] =
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"Simple Test."
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"\xf0\x9f\x98\xa5"; // U+1F625 Disappointed But Relieved Face
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/******************************************************************************/
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/**
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* Function to decode a UTF-8 string and check the expected result
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*
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* @param st Pointer to the sub-test to run
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*/
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static void
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run_utf8_decode_sub_test(const struct utf8_decode_sub_test *st)
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{
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char32_t c;
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const char *p = st->utf8str;
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unsigned int index = 0;
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do
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{
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c = utf8_get_next_char(&p, NULL);
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if (c != st->expected[index])
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{
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ck_abort_msg("Sub-test section %s Index %u expected %x, got %x",
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st->testref,
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index, st->expected[index], c);
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}
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++index;
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}
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while (c != 0);
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}
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/******************************************************************************/
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/**
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* Function to run an array of decode sub-tests
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*
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* @param st Pointer to the first sub-test to run
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*/
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static void
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run_decode_sub_test_array(const struct utf8_decode_sub_test *st)
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{
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while (st->utf8str != NULL)
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{
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run_utf8_decode_sub_test(st++);
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}
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}
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/******************************************************************************/
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/**
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* Function to encode a UTF-8 value and check the expected result
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*
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* @param st Pointer to the sub-test to run
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*/
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static void
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run_utf8_encode_sub_test(const struct utf8_encode_sub_test *st)
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{
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char actual_str[MAXLEN_UTF8_CHAR];
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unsigned int index;
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unsigned int actual_len = utf_char32_to_utf8(st->c32, actual_str);
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if (actual_len != st->expected_len)
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{
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ck_abort_msg("Sub-test %s Expected length of %u, got %u",
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st->testref,
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st->expected_len, actual_len);
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}
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for (index = 0 ; index < actual_len; ++index)
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{
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if (actual_str[index] != st->expected_str[index])
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{
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ck_abort_msg("Sub-test %s Character %u, expected %02x got %02x",
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st->testref, index,
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(int)(unsigned char)st->expected_str[index],
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(int)(unsigned char)actual_str[index]);
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}
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}
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}
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/******************************************************************************/
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/**
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* Function to run an array of encode sub-tests
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*
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* @param st Pointer to the first sub-test to run
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*/
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static void
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run_encode_sub_test_array(const struct utf8_encode_sub_test *st)
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{
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while (st->expected_len > 0)
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{
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run_utf8_encode_sub_test(st++);
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}
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}
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/******************************************************************************/
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START_TEST(test_get_next_char__section_1)
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{
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const struct utf8_decode_sub_test st =
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{
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"1",
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greek_kosme,
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{
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0x03ba, // GREEK SMALL LETTER KAPPA
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0x1f79, // GREEK SMALL LETTER OMICRON WITH OXIA
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0x03c3, // GREEK SMALL LETTER SIGMA
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0x03bc, // GREEK SMALL LETTER MU
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0x03b5 // GREEK SMALL LETTER EPSILON
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}
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};
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run_utf8_decode_sub_test(&st);
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}
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END_TEST
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/******************************************************************************/
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START_TEST(test_get_next_char__section_2)
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{
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struct utf8_decode_sub_test tests[] =
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{
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// 2.1 First possible sequence of a certain length
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//
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// (2.1.1 Is tested separately)
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{ "2.1.2", "\xc2\x80", { 0x80 } },
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{ "2.1.3", "\xe0\xa0\x80", { 0x800 } },
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{ "2.1.4", "\xf0\x90\x80\x80", { 0x10000 } },
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{ "2.1.5", "\xf8\x88\x80\x80\x80", { URC } },
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{ "2.1.6", "\xfc\x84\x80\x80\x80\x80", { URC } },
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// 2.2 Last possible sequence of a certain length
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{ "2.2.1", "\x7f", { 0x7f } },
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{ "2.2.2", "\xdf\xbf", { 0x7ff } },
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// Use U+0000FFFC instead of U+0000FFFF as our decoder
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// treats non-characters as an input error
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{ "2.2.3", "\xef\xbf\xbc", { 0xfffc } },
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// U+001FFFFF is out-of-range
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{ "2.2.4", "\xf7\xbf\xbf\xbf", { URC } },
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{ "2.2.5", "\xfb\xbf\xbf\xbf\xbf", { URC } },
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{ "2.2.6", "\xfd\xbf\xbf\xbf\xbf\xbf", { URC } },
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// 2.3 Other boundary conditions
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{ "2.3.1", "\xed\x9f\xbf", { 0xd7ff } },
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{ "2.3.2", "\xee\x80\x80", { 0xe000 } },
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{ "2.3.3", "\xef\xbf\xbd", { 0xfffd } },
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// Don't use U+10FFFF (non-character)
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{ "2.3.4", "\xf4\x8f\xbf\xbd", { 0x10fffd } },
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{ "2.3.5", "\xf4\x90\x80\x80", { URC } },
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// Terminator
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{ 0 }
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};
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// 2.1.1 is a '\0' which we use to terminate our strings. Test
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// it separately
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{
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const char *p = "";
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ck_assert_int_eq(utf8_get_next_char(&p, NULL), 0);
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}
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// Do the rest of the section 2 tests
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run_decode_sub_test_array(tests);
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}
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END_TEST
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/******************************************************************************/
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START_TEST(test_get_next_char__section_3)
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{
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struct utf8_decode_sub_test tests[] =
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{
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// 3.1 Unexpected continuation bytes
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//
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// Each unexpected continuation byte should be separately
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// signalled as a malformed sequence of its own.
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{ "3.1.1", "\x80", { URC } },
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{ "3.1.2", "\xbf", { URC } },
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{ "3.1.3", "\x80\xbf", { URC, URC } },
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{ "3.1.4", "\x80\xbf\x80", { URC, URC, URC } },
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{ "3.1.5", "\x80\xbf\x80\xbf", { URC, URC, URC, URC } },
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{ "3.1.6", "\x80\xbf\x80\xbf\x80", { URC, URC, URC, URC, URC } },
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{
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"3.1.7",
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"\x80\xbf\x80\xbf\x80\xbf",
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{ URC, URC, URC, URC, URC, URC }
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},
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{
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"3.1.8",
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"\x80\xbf\x80\xbf\x80\xbf\x80",
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{ URC, URC, URC, URC, URC, URC, URC }
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},
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{
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"3.1.9",
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"\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"
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"\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f"
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"\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf"
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"\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf",
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{
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URC, URC, URC, URC, URC, URC, URC, URC,
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URC, URC, URC, URC, URC, URC, URC, URC,
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URC, URC, URC, URC, URC, URC, URC, URC,
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URC, URC, URC, URC, URC, URC, URC, URC,
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URC, URC, URC, URC, URC, URC, URC, URC,
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URC, URC, URC, URC, URC, URC, URC, URC,
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URC, URC, URC, URC, URC, URC, URC, URC,
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URC, URC, URC, URC, URC, URC, URC, URC
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}
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},
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// 3.2 Lonely start characters
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{
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"3.2.1",
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"\xc0 \xc1 \xc2 \xc3 \xc4 \xc5 \xc6 \xc7 "
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"\xc8 \xc9 \xca \xcb \xcc \xcd \xce \xcf "
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"\xd0 \xd1 \xd2 \xd3 \xd4 \xd5 \xd6 \xd7 "
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"\xd8 \xd9 \xda \xdb \xdc \xdd \xde \xdf ",
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{
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URC, ' ', URC, ' ', URC, ' ', URC, ' ',
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URC, ' ', URC, ' ', URC, ' ', URC, ' ',
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URC, ' ', URC, ' ', URC, ' ', URC, ' ',
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URC, ' ', URC, ' ', URC, ' ', URC, ' ',
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URC, ' ', URC, ' ', URC, ' ', URC, ' ',
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URC, ' ', URC, ' ', URC, ' ', URC, ' ',
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URC, ' ', URC, ' ', URC, ' ', URC, ' ',
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URC, ' ', URC, ' ', URC, ' ', URC, ' '
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}
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},
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{
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"3.2.2",
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"\xe0 \xe1 \xe2 \xe3 \xe4 \xe5 \xe6 \xe7 "
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"\xe8 \xe9 \xea \xeb \xec \xed \xee \xef ",
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{
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URC, ' ', URC, ' ', URC, ' ', URC, ' ',
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URC, ' ', URC, ' ', URC, ' ', URC, ' ',
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URC, ' ', URC, ' ', URC, ' ', URC, ' ',
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URC, ' ', URC, ' ', URC, ' ', URC, ' '
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}
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},
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{
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"3.2.3",
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"\xf0 \xf1 \xf2 \xf3 \xf4 \xf5 \xf6 \xf7 ",
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{
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URC, ' ', URC, ' ', URC, ' ', URC, ' ',
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URC, ' ', URC, ' ', URC, ' ', URC, ' '
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}
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},
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{
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"3.2.4",
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"\xf8 \xf9 \xfa \xfb ",
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{
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URC, ' ', URC, ' ', URC, ' ', URC, ' '
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}
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},
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{
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"3.2.5", "\xfc \xfd ", { URC, ' ', URC, ' ' }
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},
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// 3.3 Sequences with last continuation byte missing
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//
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// From UTF-8-test.txt:-
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// All bytes of an incomplete sequence should be signalled as
|
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// a single malformed sequence, i.e., you should see only a
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// single replacement character in each of the next 10 tests.
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{ "3.3.1", "\xc0", { URC } },
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{ "3.3.2", "\xe0\x80", { URC } },
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{ "3.3.3", "\xf0\x80\x80", { URC } },
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{ "3.3.4", "\xf8\x80\x80\x80", { URC } },
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{ "3.3.5", "\xfc\x80\x80\x80\x80", { URC } },
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{ "3.3.6", "\xdf", { URC } },
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{ "3.3.7", "\xef\xbf", { URC } },
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{ "3.3.8", "\xf7\xbf\xbf", { URC} },
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{ "3.3.9", "\xfb\xbf\xbf\xbf", { URC } },
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{ "3.3.10", "\xfd\xbf\xbf\xbf\xbf", { URC } },
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// 3.4 Concatenation of incomplete sequences
|
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{
|
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"3,4",
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"\xc0"
|
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"\xe0\x80"
|
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"\xf0\x80\x80"
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"\xf8\x80\x80\x80"
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"\xfc\x80\x80\x80\x80"
|
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"\xdf"
|
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"\xef\xbf"
|
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"\xf7\xbf\xbf"
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"\xfb\xbf\xbf\xbf"
|
||
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"\xfd\xbf\xbf\xbf\xbf",
|
||
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{
|
||
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URC, URC, URC, URC, URC, URC, URC, URC,
|
||
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URC, URC
|
||
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}
|
||
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},
|
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|
// 3.5 Impossible bytes
|
||
|
|
{ "3.5.1", "\xfe", { URC } },
|
||
|
|
{ "3.5.2", "\xff", { URC } },
|
||
|
|
{ "3.5.3", "\xfe\xfe\xff\xff", { URC, URC, URC, URC } },
|
||
|
|
// Terminator
|
||
|
|
{ 0 }
|
||
|
|
};
|
||
|
|
|
||
|
|
run_decode_sub_test_array(tests);
|
||
|
|
}
|
||
|
|
END_TEST
|
||
|
|
|
||
|
|
/******************************************************************************/
|
||
|
|
START_TEST(test_get_next_char__section_4)
|
||
|
|
{
|
||
|
|
struct utf8_decode_sub_test tests[] =
|
||
|
|
{
|
||
|
|
// 4.1 Examples of an overlong ASCII character
|
||
|
|
//
|
||
|
|
// With a safe UTF-8 decoder, all of the following five
|
||
|
|
// overlong representations of the ASCII character slash ("/")
|
||
|
|
// should be rejected like a malformed UTF-8 sequence, for
|
||
|
|
// instance by substituting it with a replacement character. If
|
||
|
|
// you see a slash below, you do not have a safe UTF-8 decoder!
|
||
|
|
{ "4.1.1", "\xc0\xaf", { URC } },
|
||
|
|
{ "4.1.2", "\xe0\x80\xaf", { URC } },
|
||
|
|
{ "4.1.3", "\xf0\x80\x80\xaf", { URC } },
|
||
|
|
{ "4.1.4", "\xf8\x80\x80\x80\xaf", { URC } },
|
||
|
|
{ "4.1.5", "\xfc\x80\x80\x80\x80\xaf", { URC } },
|
||
|
|
|
||
|
|
// 4.2 Maximum overlong sequences
|
||
|
|
|
||
|
|
// Below you see the highest Unicode value that is still resulting
|
||
|
|
// in an overlong sequence if represented with the given number of
|
||
|
|
// bytes. This is a boundary test for safe UTF-8 decoders. All
|
||
|
|
// five characters should be rejected like malformed UTF-8
|
||
|
|
// sequences.
|
||
|
|
{ "4.2.1", "\xc1\xbf", { URC } },
|
||
|
|
{ "4.2.2", "\xe0\x9f\xbf", { URC } },
|
||
|
|
{ "4.2.3", "\xf0\x8f\xbf\xbf", { URC } },
|
||
|
|
{ "4.2.4", "\xf8\x87\xbf\xbf\xbf", { URC } },
|
||
|
|
{ "4.2.5", "\xfc\x83\xbf\xbf\xbf\xbf", { URC } },
|
||
|
|
|
||
|
|
// 4.3 Overlong representation of the NUL character
|
||
|
|
|
||
|
|
// The following five sequences should also be rejected like
|
||
|
|
// malformed UTF-8 sequences and should not be treated like the
|
||
|
|
// ASCII NUL character.
|
||
|
|
{ "4.3.1", "\xc0\x80", { URC } },
|
||
|
|
{ "4.3.2", "\xe0\x80\x80", { URC } },
|
||
|
|
{ "4.3.3", "\xf0\x80\x80\x80", { URC } },
|
||
|
|
{ "4.3.4", "\xf8\x80\x80\x80\x80", { URC } },
|
||
|
|
{ "4.3.5", "\xfc\x80\x80\x80\x80\x80", { URC } },
|
||
|
|
|
||
|
|
// Terminator
|
||
|
|
{ 0 }
|
||
|
|
};
|
||
|
|
|
||
|
|
run_decode_sub_test_array(tests);
|
||
|
|
}
|
||
|
|
END_TEST
|
||
|
|
|
||
|
|
/******************************************************************************/
|
||
|
|
START_TEST(test_get_next_char__section_5)
|
||
|
|
{
|
||
|
|
struct utf8_decode_sub_test tests[] =
|
||
|
|
{
|
||
|
|
// 5 Illegal code positions
|
||
|
|
|
||
|
|
// The following UTF-8 sequences should be rejected like
|
||
|
|
// malformed sequences, because they never represent valid
|
||
|
|
// ISO 10646 characters and a UTF-8 decoder that accepts them
|
||
|
|
// might introduce security problems comparable to overlong
|
||
|
|
// UTF-8 sequences.
|
||
|
|
|
||
|
|
// 5.1 Single UTF-16 surrogates
|
||
|
|
{ "5.1.1", "\xed\xa0\x80", { URC } },
|
||
|
|
{ "5.1.2", "\xed\xad\xbf", { URC } },
|
||
|
|
{ "5.1.3", "\xed\xae\x80", { URC } },
|
||
|
|
{ "5.1.4", "\xed\xaf\xbf", { URC } },
|
||
|
|
{ "5.1.5", "\xed\xb0\x80", { URC } },
|
||
|
|
{ "5.1.6", "\xed\xbe\x80", { URC } },
|
||
|
|
{ "5.1.7", "\xed\xbf\xbf", { URC } },
|
||
|
|
|
||
|
|
// 5.2 Paired UTF-16 surrogates
|
||
|
|
{ "5.2.1", "\xed\xa0\x80\xed\xb0\x80", { URC, URC } },
|
||
|
|
{ "5.2.2", "\xed\xa0\x80\xed\xbf\xbf", { URC, URC } },
|
||
|
|
{ "5.2.3", "\xed\xad\xbf\xed\xb0\x80", { URC, URC } },
|
||
|
|
{ "5.2.4", "\xed\xad\xbf\xed\xbf\xbf", { URC, URC } },
|
||
|
|
{ "5.2.5", "\xed\xae\x80\xed\xb0\x80", { URC, URC } },
|
||
|
|
{ "5.2.6", "\xed\xae\x80\xed\xbf\xbf", { URC, URC } },
|
||
|
|
{ "5.2.7", "\xed\xaf\xbf\xed\xb0\x80", { URC, URC } },
|
||
|
|
{ "5.2.8", "\xed\xaf\xbf\xed\xbf\xbf", { URC, URC } },
|
||
|
|
|
||
|
|
// 5.3 Noncharacter code positions
|
||
|
|
|
||
|
|
// The following "noncharacters" are "reserved for internal
|
||
|
|
// use" by applications, and according to older versions of
|
||
|
|
// the Unicode Standard "should never be interchanged". Unicode
|
||
|
|
// Corrigendum #9 dropped the latter restriction. Nevertheless,
|
||
|
|
// their presence in incoming UTF-8 data can remain a potential
|
||
|
|
// security risk, depending on what use is made of these codes
|
||
|
|
// subsequently. Examples of such internal use:
|
||
|
|
//
|
||
|
|
// - Some file APIs with 16-bit characters may use the integer
|
||
|
|
// value -1 = U+FFFF to signal an end-of-file (EOF) or error
|
||
|
|
// condition.
|
||
|
|
//
|
||
|
|
// - In some UTF-16 receivers, code point U+FFFE might trigger
|
||
|
|
// a byte-swap operation (to convert between UTF-16LE and
|
||
|
|
// UTF-16BE).
|
||
|
|
// With such internal use of noncharacters, it may be desirable
|
||
|
|
// and safer to block those code points in UTF-8 decoders, as
|
||
|
|
// they should never occur legitimately in incoming UTF-8 data,
|
||
|
|
// and could trigger unsafe behaviour in subsequent processing.
|
||
|
|
|
||
|
|
// Particularly problematic noncharacters in 16-bit applications:
|
||
|
|
{ "5.3.1", "\xef\xbf\xbe", { URC } },
|
||
|
|
{ "5.3.2", "\xef\xbf\xbf", { URC } },
|
||
|
|
|
||
|
|
// Other noncharacters:
|
||
|
|
{
|
||
|
|
"5.3.3",
|
||
|
|
// Non-characters in "Arabic Presentation Forms-A" (BMP)
|
||
|
|
"\xef\xb7\x90" "\xef\xb7\x91" "\xef\xb7\x92" "\xef\xb7\x93"
|
||
|
|
"\xef\xb7\x94" "\xef\xb7\x95" "\xef\xb7\x96" "\xef\xb7\x97"
|
||
|
|
"\xef\xb7\x98" "\xef\xb7\x99" "\xef\xb7\x9a" "\xef\xb7\x9b"
|
||
|
|
"\xef\xb7\x9c" "\xef\xb7\x9d" "\xef\xb7\x9e" "\xef\xb7\x9f"
|
||
|
|
"\xef\xb7\xa0" "\xef\xb7\xa1" "\xef\xb7\xa2" "\xef\xb7\xa3"
|
||
|
|
"\xef\xb7\xa4" "\xef\xb7\xa5" "\xef\xb7\xa6" "\xef\xb7\xa7"
|
||
|
|
"\xef\xb7\xa8" "\xef\xb7\xa9" "\xef\xb7\xaa" "\xef\xb7\xab"
|
||
|
|
"\xef\xb7\xac" "\xef\xb7\xad" "\xef\xb7\xae" "\xef\xb7\xaf",
|
||
|
|
{
|
||
|
|
URC, URC, URC, URC, URC, URC, URC, URC,
|
||
|
|
URC, URC, URC, URC, URC, URC, URC, URC,
|
||
|
|
URC, URC, URC, URC, URC, URC, URC, URC,
|
||
|
|
URC, URC, URC, URC, URC, URC, URC, URC
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
{
|
||
|
|
"5.3.4",
|
||
|
|
"\xf0\x9f\xbf\xbe" "\xf0\x9f\xbf\xbf" // U+0001FFFE U+0001FFFF
|
||
|
|
"\xf0\xaf\xbf\xbe" "\xf0\xaf\xbf\xbf" // U+0002FFFE U+0002FFFF
|
||
|
|
"\xf0\xbf\xbf\xbe" "\xf0\xbf\xbf\xbf" // U+0003FFFE U+0003FFFF
|
||
|
|
"\xf1\x8f\xbf\xbe" "\xf1\x8f\xbf\xbf" // U+0004FFFE U+0004FFFF
|
||
|
|
"\xf1\x9f\xbf\xbe" "\xf1\x9f\xbf\xbf" // U+0005FFFE U+0005FFFF
|
||
|
|
"\xf1\xaf\xbf\xbe" "\xf1\xaf\xbf\xbf" // U+0006FFFE U+0006FFFF
|
||
|
|
"\xf1\xbf\xbf\xbe" "\xf1\xbf\xbf\xbf" // U+0007FFFE U+0007FFFF
|
||
|
|
"\xf2\x8f\xbf\xbe" "\xf2\x8f\xbf\xbf" // U+0008FFFE U+0008FFFF
|
||
|
|
"\xf2\x9f\xbf\xbe" "\xf2\x9f\xbf\xbf" // U+0009FFFE U+0009FFFF
|
||
|
|
"\xf2\xaf\xbf\xbe" "\xf2\xaf\xbf\xbf" // U+000AFFFE U+000AFFFF
|
||
|
|
"\xf2\xbf\xbf\xbe" "\xf2\xbf\xbf\xbf" // U+000BFFFE U+000BFFFF
|
||
|
|
"\xf3\x8f\xbf\xbe" "\xf3\x8f\xbf\xbf" // U+000CFFFE U+000CFFFF
|
||
|
|
"\xf3\x9f\xbf\xbe" "\xf3\x9f\xbf\xbf" // U+000DFFFE U+000DFFFF
|
||
|
|
"\xf3\xaf\xbf\xbe" "\xf3\xaf\xbf\xbf" // U+000EFFFE U+000EFFFF
|
||
|
|
"\xf3\xbf\xbf\xbe" "\xf3\xbf\xbf\xbf" // U+000FFFFE U+000FFFFF
|
||
|
|
"\xf4\x8f\xbf\xbe" "\xf4\x8f\xbf\xbf",// U+0010FFFE U+0010FFFF
|
||
|
|
{
|
||
|
|
URC, URC, URC, URC, URC, URC, URC, URC,
|
||
|
|
URC, URC, URC, URC, URC, URC, URC, URC,
|
||
|
|
URC, URC, URC, URC, URC, URC, URC, URC,
|
||
|
|
URC, URC, URC, URC, URC, URC, URC, URC
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
// Last line of UTF8-test.txt
|
||
|
|
{ "TheEnd", "THE END\n", { 'T', 'H', 'E', ' ', 'E', 'N', 'D', '\n'} },
|
||
|
|
|
||
|
|
// Terminator
|
||
|
|
{ 0 }
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
run_decode_sub_test_array(tests);
|
||
|
|
}
|
||
|
|
END_TEST
|
||
|
|
|
||
|
|
/******************************************************************************/
|
||
|
|
START_TEST(test_utf_char32_to_utf8)
|
||
|
|
{
|
||
|
|
struct utf8_encode_sub_test tests[] =
|
||
|
|
{
|
||
|
|
|
||
|
|
// E2.1 First possible sequence of a certain length
|
||
|
|
//
|
||
|
|
{ "E2.1.1", 0, 1, { 0 } },
|
||
|
|
{ "E2.1.2", 0x80, 2, { 0xc2, 0x80 } },
|
||
|
|
{ "E2.1.3", 0x800, 3, { 0xe0, 0xa0, 0x80 } },
|
||
|
|
{ "E2.1.4", 0x10000, 4, { 0xf0, 0x90, 0x80, 0x80 } },
|
||
|
|
|
||
|
|
// E2.2 Last possible sequence of a certain length
|
||
|
|
{ "E2.2.1", 0x7f, 1, { 0x7f } },
|
||
|
|
{ "E2.2.2", 0x7ff, 2, { 0xdf, 0xbf } },
|
||
|
|
{ "E2.2.3", 0xfffc, 3, { 0xef, 0xbf, 0xbc } }, // See 2.1.3 above
|
||
|
|
{ "E2.2.4", 0x1FFFFF, 3, E_URC }, // out-of-range
|
||
|
|
|
||
|
|
// E2.3 Other boundary conditions
|
||
|
|
{ "E2.3.1", 0xd7ff, 3, { 0xed, 0x9f, 0xbf } },
|
||
|
|
{ "E2.3.2", 0xe000, 3, { 0xee, 0x80, 0x80 } },
|
||
|
|
{ "E2.3.3", 0xfffd, 3, { 0xef, 0xbf, 0xbd } },
|
||
|
|
{ "E2.3.4", 0x10fffd, 4, { 0xf4, 0x8f, 0xbf, 0xbd } }, // See 2.3.4 above
|
||
|
|
// E2.3.5 - not tested
|
||
|
|
|
||
|
|
// E5.1 Single UTF-16 surrogates
|
||
|
|
{ "E5.1.1", 0xd800, 3, E_URC },
|
||
|
|
{ "E5.1.2", 0xdb7f, 3, E_URC },
|
||
|
|
{ "E5.1.3", 0xdb80, 3, E_URC },
|
||
|
|
{ "E5.1.4", 0xdbff, 3, E_URC },
|
||
|
|
{ "E5.1.5", 0xdc00, 3, E_URC },
|
||
|
|
{ "E5.1.6", 0xdf80, 3, E_URC },
|
||
|
|
{ "E5.1.7", 0xdfff, 3, E_URC },
|
||
|
|
|
||
|
|
// E5.3 Non-character code positions
|
||
|
|
{ "E5.3.3(0)", 0xfdd0, 3, E_URC },
|
||
|
|
{ "E5.3.3(1)", 0xfdd1, 3, E_URC },
|
||
|
|
{ "E5.3.3(2)", 0xfdd2, 3, E_URC },
|
||
|
|
{ "E5.3.3(3)", 0xfdd3, 3, E_URC },
|
||
|
|
{ "E5.3.3(4)", 0xfdd4, 3, E_URC },
|
||
|
|
{ "E5.3.3(5)", 0xfdd5, 3, E_URC },
|
||
|
|
{ "E5.3.3(6)", 0xfdd6, 3, E_URC },
|
||
|
|
{ "E5.3.3(7)", 0xfdd7, 3, E_URC },
|
||
|
|
{ "E5.3.3(8)", 0xfdd8, 3, E_URC },
|
||
|
|
{ "E5.3.3(9)", 0xfdd9, 3, E_URC },
|
||
|
|
{ "E5.3.3(10)", 0xfdda, 3, E_URC },
|
||
|
|
{ "E5.3.3(11)", 0xfddb, 3, E_URC },
|
||
|
|
{ "E5.3.3(12)", 0xfddc, 3, E_URC },
|
||
|
|
{ "E5.3.3(13)", 0xfddd, 3, E_URC },
|
||
|
|
{ "E5.3.3(14)", 0xfdde, 3, E_URC },
|
||
|
|
{ "E5.3.3(15)", 0xfddf, 3, E_URC },
|
||
|
|
{ "E5.3.3(16)", 0xfde0, 3, E_URC },
|
||
|
|
{ "E5.3.3(17)", 0xfde1, 3, E_URC },
|
||
|
|
{ "E5.3.3(18)", 0xfde2, 3, E_URC },
|
||
|
|
{ "E5.3.3(19)", 0xfde3, 3, E_URC },
|
||
|
|
{ "E5.3.3(20)", 0xfde4, 3, E_URC },
|
||
|
|
{ "E5.3.3(21)", 0xfde5, 3, E_URC },
|
||
|
|
{ "E5.3.3(22)", 0xfde6, 3, E_URC },
|
||
|
|
{ "E5.3.3(23)", 0xfde7, 3, E_URC },
|
||
|
|
{ "E5.3.3(24)", 0xfde8, 3, E_URC },
|
||
|
|
{ "E5.3.3(25)", 0xfde9, 3, E_URC },
|
||
|
|
{ "E5.3.3(26)", 0xfdea, 3, E_URC },
|
||
|
|
{ "E5.3.3(27)", 0xfdeb, 3, E_URC },
|
||
|
|
{ "E5.3.3(28)", 0xfdec, 3, E_URC },
|
||
|
|
{ "E5.3.3(29)", 0xfded, 3, E_URC },
|
||
|
|
{ "E5.3.3(30)", 0xfdee, 3, E_URC },
|
||
|
|
{ "E5.3.3(31)", 0xfdef, 3, E_URC },
|
||
|
|
{ "E5.3.4(0)", 0x1fffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(1)", 0x1ffff, 3, E_URC },
|
||
|
|
{ "E5.3.4(2)", 0x2fffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(3)", 0x2ffff, 3, E_URC },
|
||
|
|
{ "E5.3.4(4)", 0x3fffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(5)", 0x3ffff, 3, E_URC },
|
||
|
|
{ "E5.3.4(6)", 0x4fffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(7)", 0x4ffff, 3, E_URC },
|
||
|
|
{ "E5.3.4(8)", 0x5fffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(9)", 0x5ffff, 3, E_URC },
|
||
|
|
{ "E5.3.4(10)", 0x6fffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(11)", 0x6ffff, 3, E_URC },
|
||
|
|
{ "E5.3.4(12)", 0x7fffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(13)", 0x7ffff, 3, E_URC },
|
||
|
|
{ "E5.3.4(14)", 0x8fffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(15)", 0x8ffff, 3, E_URC },
|
||
|
|
{ "E5.3.4(16)", 0x9fffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(17)", 0x9ffff, 3, E_URC },
|
||
|
|
{ "E5.3.4(18)", 0xafffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(19)", 0xaffff, 3, E_URC },
|
||
|
|
{ "E5.3.4(20)", 0xbfffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(21)", 0xbffff, 3, E_URC },
|
||
|
|
{ "E5.3.4(22)", 0xcfffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(23)", 0xcffff, 3, E_URC },
|
||
|
|
{ "E5.3.4(24)", 0xdfffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(25)", 0xdffff, 3, E_URC },
|
||
|
|
{ "E5.3.4(26)", 0xefffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(27)", 0xeffff, 3, E_URC },
|
||
|
|
{ "E5.3.4(28)", 0xffffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(29)", 0xfffff, 3, E_URC },
|
||
|
|
{ "E5.3.4(30)", 0x10fffe, 3, E_URC },
|
||
|
|
{ "E5.3.4(31)", 0x10ffff, 3, E_URC },
|
||
|
|
{ "E5.99.0", 'T', 1, { 'T' } },
|
||
|
|
{ "E5.99.1", 'H', 1, { 'H' } },
|
||
|
|
{ "E5.99.2", 'E', 1, { 'E' } },
|
||
|
|
{ "E5.99.3", ' ', 1, { ' ' } },
|
||
|
|
{ "E5.99.4", 'E', 1, { 'E' } },
|
||
|
|
{ "E5.99.5", 'N', 1, { 'N' } },
|
||
|
|
{ "E5.99.6", 'D', 1, { 'D' } },
|
||
|
|
|
||
|
|
// Terminator
|
||
|
|
{ 0 }
|
||
|
|
};
|
||
|
|
|
||
|
|
run_encode_sub_test_array(tests);
|
||
|
|
}
|
||
|
|
END_TEST
|
||
|
|
|
||
|
|
/******************************************************************************/
|
||
|
|
START_TEST(test_utf8_char_count)
|
||
|
|
{
|
||
|
|
// Check function can cope with NULL argument
|
||
|
|
ck_assert_int_eq(utf8_char_count(NULL), 0);
|
||
|
|
|
||
|
|
unsigned int kosme_strlen = strlen(greek_kosme);
|
||
|
|
unsigned int kosme_len = utf8_char_count(greek_kosme);
|
||
|
|
|
||
|
|
// All characters map to two bytes except for the 'omicrom with oxia'
|
||
|
|
// which maps to three
|
||
|
|
ck_assert_int_eq(kosme_strlen, 2 + 3 + 2 + 2 + 2);
|
||
|
|
ck_assert_int_eq(kosme_len, 5);
|
||
|
|
|
||
|
|
unsigned int simple_test_strlen = strlen(simple_test_with_emoji);
|
||
|
|
unsigned int simple_test_len = utf8_char_count(simple_test_with_emoji);
|
||
|
|
|
||
|
|
ck_assert_int_eq(simple_test_strlen,
|
||
|
|
(1 + 1 + 1 + 1 + 1 + 1 ) + // Simple
|
||
|
|
1 +
|
||
|
|
(1 + 1 + 1 + 1 ) + // Test
|
||
|
|
1 +
|
||
|
|
4); // emoji
|
||
|
|
// The emoji is 4 bytes - all others are 1
|
||
|
|
ck_assert_int_eq(simple_test_len, simple_test_strlen - 3);
|
||
|
|
}
|
||
|
|
END_TEST
|
||
|
|
|
||
|
|
/******************************************************************************/
|
||
|
|
START_TEST(test_utf8_as_utf16_word_count)
|
||
|
|
{
|
||
|
|
unsigned int kosme_count =
|
||
|
|
utf8_as_utf16_word_count(greek_kosme, strlen(greek_kosme));
|
||
|
|
|
||
|
|
ck_assert_int_eq(kosme_count, 5); // All characters in BMP
|
||
|
|
|
||
|
|
unsigned int simple_test_count =
|
||
|
|
utf8_as_utf16_word_count(simple_test_with_emoji,
|
||
|
|
strlen(simple_test_with_emoji));
|
||
|
|
|
||
|
|
ck_assert_int_eq(simple_test_count,
|
||
|
|
(1 + 1 + 1 + 1 + 1 + 1 ) + // Simple
|
||
|
|
1 +
|
||
|
|
(1 + 1 + 1 + 1 ) + // Test
|
||
|
|
1 +
|
||
|
|
2); // emoji
|
||
|
|
}
|
||
|
|
END_TEST
|
||
|
|
|
||
|
|
/******************************************************************************/
|
||
|
|
START_TEST(test_utf8_add_char_at)
|
||
|
|
{
|
||
|
|
#define TEST_SIZE sizeof(simple_test_with_emoji)
|
||
|
|
|
||
|
|
// Type pairing a string position with a Unicode char
|
||
|
|
struct pos_to_char_map
|
||
|
|
{
|
||
|
|
unsigned int pos;
|
||
|
|
char32_t c32;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Buffer for constructing the string
|
||
|
|
char buff[TEST_SIZE];
|
||
|
|
|
||
|
|
// A pseudo-random map of the characters in simple_test_with_emoji
|
||
|
|
const struct pos_to_char_map map[] =
|
||
|
|
{
|
||
|
|
{ 0, 'l' },
|
||
|
|
{ 0, 'S' },
|
||
|
|
{ 1, 'i' },
|
||
|
|
{ 2, 'm' },
|
||
|
|
{ 4, 0x1f625 },
|
||
|
|
{ 4, '.' },
|
||
|
|
{ 4, 'e' },
|
||
|
|
{ 5, 'T' },
|
||
|
|
{ 3, 'p' },
|
||
|
|
{ 7, 't' },
|
||
|
|
{ 7, 'e' },
|
||
|
|
{ 8, 's' },
|
||
|
|
{ 6, ' ' },
|
||
|
|
{ 0 }
|
||
|
|
};
|
||
|
|
|
||
|
|
buff[0] = '\0';
|
||
|
|
|
||
|
|
// Construct the string in a pseudo-random fashion
|
||
|
|
|
||
|
|
const struct pos_to_char_map *p;
|
||
|
|
for (p = map; p->c32 != 0 ; ++p)
|
||
|
|
{
|
||
|
|
if (!utf8_add_char_at(buff, TEST_SIZE, p->c32, p->pos))
|
||
|
|
{
|
||
|
|
ck_abort_msg("test_utf8_add_char_at: "
|
||
|
|
"Can't insert char %x at pos %u",
|
||
|
|
p->c32,
|
||
|
|
p->pos);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Should have reached the buffer size by now
|
||
|
|
ck_assert_int_eq(strlen(buff), TEST_SIZE - 1);
|
||
|
|
|
||
|
|
// Check the string is what we expect
|
||
|
|
ck_assert_int_eq(strcmp(buff, simple_test_with_emoji), 0);
|
||
|
|
|
||
|
|
// Try to insert another character
|
||
|
|
if (utf8_add_char_at(buff, TEST_SIZE, ' ', 0))
|
||
|
|
{
|
||
|
|
ck_abort_msg("test_utf8_add_char_at: "
|
||
|
|
"Insert succeeded but should have failed");
|
||
|
|
}
|
||
|
|
|
||
|
|
#undef TEST_SIZE
|
||
|
|
}
|
||
|
|
END_TEST
|
||
|
|
|
||
|
|
/******************************************************************************/
|
||
|
|
START_TEST(test_utf8_remove_char_at)
|
||
|
|
{
|
||
|
|
#define TEST_SIZE sizeof(simple_test_with_emoji)
|
||
|
|
// Type pairing a string position with a Unicode char
|
||
|
|
struct pos_to_char_map
|
||
|
|
{
|
||
|
|
unsigned int pos;
|
||
|
|
char32_t c32;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Buffer for deconstructing the string
|
||
|
|
char buff[TEST_SIZE];
|
||
|
|
|
||
|
|
// A pseudo-random map of the characters in simple_test_with_emoji
|
||
|
|
const struct pos_to_char_map map[] =
|
||
|
|
{
|
||
|
|
{ 2, 'm' },
|
||
|
|
{ 7, 'e' },
|
||
|
|
{ 5, ' ' },
|
||
|
|
{ 1, 'i' },
|
||
|
|
{ 2, 'l' },
|
||
|
|
{ 3, 'T' },
|
||
|
|
{ 6, 0x1f625 },
|
||
|
|
{ 2, 'e' },
|
||
|
|
{ 3, 't' },
|
||
|
|
{ 3, '.' },
|
||
|
|
{ 2, 's' },
|
||
|
|
{ 1, 'p' },
|
||
|
|
{ 0, 'S' },
|
||
|
|
{ 0 }
|
||
|
|
};
|
||
|
|
|
||
|
|
char32_t c32;
|
||
|
|
|
||
|
|
strcpy(buff, simple_test_with_emoji);
|
||
|
|
|
||
|
|
// Deconstruct the string in a pseudo-random fashion
|
||
|
|
const struct pos_to_char_map *p;
|
||
|
|
for (p = map; p->c32 != 0 ; ++p)
|
||
|
|
{
|
||
|
|
c32 = utf8_remove_char_at(buff, p->pos);
|
||
|
|
if (c32 != p->c32)
|
||
|
|
{
|
||
|
|
ck_abort_msg("test_utf8_remove_char_at: "
|
||
|
|
"remove char at pos %u was %x, expected %x",
|
||
|
|
p->pos, c32, p->c32);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Should have emptied the buffer by now
|
||
|
|
ck_assert_int_eq(buff[0], '\0');
|
||
|
|
|
||
|
|
// Try to remove other characters
|
||
|
|
c32 = utf8_remove_char_at(buff, 0);
|
||
|
|
ck_assert_int_eq(c32, 0);
|
||
|
|
c32 = utf8_remove_char_at(buff, 99);
|
||
|
|
ck_assert_int_eq(c32, 0);
|
||
|
|
ck_assert_int_eq(buff[0], '\0');
|
||
|
|
|
||
|
|
#undef TEST_SIZE
|
||
|
|
}
|
||
|
|
END_TEST
|
||
|
|
|
||
|
|
/******************************************************************************/
|
||
|
|
|
||
|
|
Suite *
|
||
|
|
make_suite_test_string_unicode(void)
|
||
|
|
{
|
||
|
|
Suite *s;
|
||
|
|
TCase *tc_unicode;
|
||
|
|
|
||
|
|
s = suite_create("String");
|
||
|
|
|
||
|
|
tc_unicode = tcase_create("Unicode");
|
||
|
|
suite_add_tcase(s, tc_unicode);
|
||
|
|
tcase_add_test(tc_unicode, test_get_next_char__section_1);
|
||
|
|
tcase_add_test(tc_unicode, test_get_next_char__section_2);
|
||
|
|
tcase_add_test(tc_unicode, test_get_next_char__section_3);
|
||
|
|
tcase_add_test(tc_unicode, test_get_next_char__section_4);
|
||
|
|
tcase_add_test(tc_unicode, test_get_next_char__section_5);
|
||
|
|
tcase_add_test(tc_unicode, test_utf_char32_to_utf8);
|
||
|
|
tcase_add_test(tc_unicode, test_utf8_char_count);
|
||
|
|
tcase_add_test(tc_unicode, test_utf8_as_utf16_word_count);
|
||
|
|
tcase_add_test(tc_unicode, test_utf8_add_char_at);
|
||
|
|
tcase_add_test(tc_unicode, test_utf8_remove_char_at);
|
||
|
|
|
||
|
|
return s;
|
||
|
|
}
|