From 3e0814cd9862b89c7a39672672937477bd87ddfb Mon Sep 17 00:00:00 2001 From: Andreas Rottmann Date: Thu, 27 May 2010 18:23:15 +0200 Subject: Imported Upstream version 0.9.3 --- tests/unistr/test-u8-prev.c | 315 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 315 insertions(+) create mode 100644 tests/unistr/test-u8-prev.c (limited to 'tests/unistr/test-u8-prev.c') diff --git a/tests/unistr/test-u8-prev.c b/tests/unistr/test-u8-prev.c new file mode 100644 index 0000000..61f47ef --- /dev/null +++ b/tests/unistr/test-u8-prev.c @@ -0,0 +1,315 @@ +/* Test of u8_prev() function. + Copyright (C) 2010 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Bruno Haible , 2010. */ + +#include + +#include "unistr.h" + +#include "macros.h" + +static int +check (const uint8_t *input, size_t input_length, ucs4_t *puc) +{ + ucs4_t uc; + + /* Test recognition when at the beginning of the string. */ + if (u8_prev (&uc, input + input_length, input) != input) + return 1; + + /* Test recognition when preceded by a 1-unit character. */ + { + uint8_t buf[100]; + uint8_t *ptr; + size_t i; + ucs4_t uc1; + + ptr = buf; + *ptr++ = 'x'; + for (i = 0; i < input_length; i++) + ptr[i] = input[i]; + + if (u8_prev (&uc1, ptr + input_length, buf) != ptr) + return 2; + if (uc1 != uc) + return 3; + } + + /* Test recognition when preceded by a 2-unit character. */ + { + uint8_t buf[100]; + uint8_t *ptr; + size_t i; + ucs4_t uc1; + + ptr = buf; + *ptr++ = 0xC3; + *ptr++ = 0x97; + for (i = 0; i < input_length; i++) + ptr[i] = input[i]; + + if (u8_prev (&uc1, ptr + input_length, buf) != ptr) + return 4; + if (uc1 != uc) + return 5; + } + + /* Test recognition when preceded by a 3-unit character. */ + { + uint8_t buf[100]; + uint8_t *ptr; + size_t i; + ucs4_t uc1; + + ptr = buf; + *ptr++ = 0xE2; + *ptr++ = 0x84; + *ptr++ = 0x82; + for (i = 0; i < input_length; i++) + ptr[i] = input[i]; + + if (u8_prev (&uc1, ptr + input_length, buf) != ptr) + return 6; + if (uc1 != uc) + return 7; + } + + /* Test recognition when preceded by a 4-unit character. */ + { + uint8_t buf[100]; + uint8_t *ptr; + size_t i; + ucs4_t uc1; + + ptr = buf; + *ptr++ = 0xF0; + *ptr++ = 0x9D; + *ptr++ = 0x94; + *ptr++ = 0x9E; + for (i = 0; i < input_length; i++) + ptr[i] = input[i]; + + if (u8_prev (&uc1, ptr + input_length, buf) != ptr) + return 8; + if (uc1 != uc) + return 9; + } + + *puc = uc; + return 0; +} + +static int +check_invalid (const uint8_t *input, size_t input_length) +{ + ucs4_t uc; + + /* Test recognition when at the beginning of the string. */ + uc = 0xBADFACE; + if (u8_prev (&uc, input + input_length, input) != NULL) + return 1; + if (uc != 0xBADFACE) + return 2; + + /* Test recognition when preceded by a 1-unit character. */ + { + uint8_t buf[100]; + uint8_t *ptr; + size_t i; + + ptr = buf; + *ptr++ = 'x'; + for (i = 0; i < input_length; i++) + ptr[i] = input[i]; + + uc = 0xBADFACE; + if (u8_prev (&uc, ptr + input_length, buf) != NULL) + return 3; + if (uc != 0xBADFACE) + return 4; + } + + /* Test recognition when preceded by a 2-unit character. */ + { + uint8_t buf[100]; + uint8_t *ptr; + size_t i; + + ptr = buf; + *ptr++ = 0xC3; + *ptr++ = 0x97; + for (i = 0; i < input_length; i++) + ptr[i] = input[i]; + + uc = 0xBADFACE; + if (u8_prev (&uc, ptr + input_length, buf) != NULL) + return 5; + if (uc != 0xBADFACE) + return 6; + } + + /* Test recognition when preceded by a 3-unit character. */ + { + uint8_t buf[100]; + uint8_t *ptr; + size_t i; + + ptr = buf; + *ptr++ = 0xE2; + *ptr++ = 0x84; + *ptr++ = 0x82; + for (i = 0; i < input_length; i++) + ptr[i] = input[i]; + + uc = 0xBADFACE; + if (u8_prev (&uc, ptr + input_length, buf) != NULL) + return 7; + if (uc != 0xBADFACE) + return 8; + } + + /* Test recognition when preceded by a 4-unit character. */ + { + uint8_t buf[100]; + uint8_t *ptr; + size_t i; + + ptr = buf; + *ptr++ = 0xF0; + *ptr++ = 0x9D; + *ptr++ = 0x94; + *ptr++ = 0x9E; + for (i = 0; i < input_length; i++) + ptr[i] = input[i]; + + uc = 0xBADFACE; + if (u8_prev (&uc, ptr + input_length, buf) != NULL) + return 9; + if (uc != 0xBADFACE) + return 10; + } + + return 0; +} + +int +main () +{ + ucs4_t uc; + + /* Test ISO 646 unit input. */ + { + ucs4_t c; + uint8_t buf[1]; + + for (c = 0; c < 0x80; c++) + { + buf[0] = c; + uc = 0xBADFACE; + ASSERT (check (buf, 1, &uc) == 0); + ASSERT (uc == c); + } + } + + /* Test 2-byte character input. */ + { + static const uint8_t input[] = { 0xC3, 0x97 }; + uc = 0xBADFACE; + ASSERT (check (input, SIZEOF (input), &uc) == 0); + ASSERT (uc == 0x00D7); + } + + /* Test 3-byte character input. */ + { + static const uint8_t input[] = { 0xE2, 0x82, 0xAC }; + uc = 0xBADFACE; + ASSERT (check (input, SIZEOF (input), &uc) == 0); + ASSERT (uc == 0x20AC); + } + + /* Test 4-byte character input. */ + { + static const uint8_t input[] = { 0xF4, 0x8F, 0xBF, 0xBD }; + uc = 0xBADFACE; + ASSERT (check (input, SIZEOF (input), &uc) == 0); + ASSERT (uc == 0x10FFFD); + } + + /* Test incomplete/invalid 1-byte input. */ + { + static const uint8_t input[] = { 0xC1 }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + { + static const uint8_t input[] = { 0xC3 }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + { + static const uint8_t input[] = { 0xE2 }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + { + static const uint8_t input[] = { 0xF4 }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + { + static const uint8_t input[] = { 0xFE }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + + /* Test incomplete/invalid 2-byte input. */ + { + static const uint8_t input[] = { 0xE0, 0x9F }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + { + static const uint8_t input[] = { 0xE2, 0x82 }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + { + static const uint8_t input[] = { 0xE2, 0xD0 }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + { + static const uint8_t input[] = { 0xF0, 0x8F }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + { + static const uint8_t input[] = { 0xF3, 0x8F }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + { + static const uint8_t input[] = { 0xF3, 0xD0 }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + + /* Test incomplete/invalid 3-byte input. */ + { + static const uint8_t input[] = { 0xF3, 0x8F, 0xBF }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + { + static const uint8_t input[] = { 0xF3, 0xE4, 0xBF }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + { + static const uint8_t input[] = { 0xF3, 0x8F, 0xD0 }; + ASSERT (check_invalid (input, SIZEOF (input)) == 0); + } + + return 0; +} -- cgit v1.2.3