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147 lines
3.6 KiB
C++
147 lines
3.6 KiB
C++
/** See the end of this file for copyright and license terms. */
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#include <catch2/catch.hpp>
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#include <errno.h>
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#include <neo.h>
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#include <neo/utf.h>
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TEST_CASE( "utf8_to_nchr: Decode 1-byte character sequence", "[string/utf.c]" )
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{
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error err;
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nchar c;
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usize size = utf8_to_nchr(&c, ",", &err);
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REQUIRE( size == 1 );
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REQUIRE( c == ',' );
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REQUIRE( errnum(&err) == 0 );
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REQUIRE( errmsg(&err) == nil );
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}
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TEST_CASE( "utf8_to_nchr: Decode 2-byte character sequence", "[string/utf.c]" )
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{
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error err;
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nchar c;
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/* U+03B1 Greek Smol Letter Alpha */
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usize size = utf8_to_nchr(&c, "\xce\xb1", &err);
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REQUIRE( size == 2 );
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REQUIRE( c == 0x03b1 );
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REQUIRE( errnum(&err) == 0 );
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REQUIRE( errmsg(&err) == nil );
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}
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TEST_CASE( "utf8_to_nchr: Decode 3-byte character sequence", "[string/utf.c]" )
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{
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error err;
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nchar c;
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/* U+3042 Hiragana Letter A */
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usize size = utf8_to_nchr(&c, "\xe3\x81\x82", &err);
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REQUIRE( size == 3 );
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REQUIRE( c == 0x3042 );
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REQUIRE( errnum(&err) == 0 );
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REQUIRE( errmsg(&err) == nil );
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}
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TEST_CASE( "utf8_to_nchr: Decode 4-byte character sequence", "[string/utf.c]" )
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{
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error err;
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nchar c;
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/* U+1F97A The Bottom Emoji(TM) */
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usize size = utf8_to_nchr(&c, "\xf0\x9f\xa5\xba", &err);
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REQUIRE( size == 4 );
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REQUIRE( c == 0x01f97a );
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REQUIRE( errnum(&err) == 0 );
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REQUIRE( errmsg(&err) == nil );
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}
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TEST_CASE( "utf8_to_nchr: Error on malformed sequence start", "[string/utf.c]" )
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{
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error err;
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nchar c;
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utf8_to_nchr(&c, "\xff", &err);
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string *expected = nstr("Illegal UTF-8 sequence start byte: 0xff", nil);
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string *actual = errmsg(&err);
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REQUIRE( c == '\0' );
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REQUIRE( errnum(&err) == EINVAL );
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REQUIRE( nstreq(expected, actual, nil) );
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errput(&err);
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}
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TEST_CASE( "utf8_to_nchr: Error on wrong second byte", "[string/utf.c]" )
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{
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error err;
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nchar c;
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utf8_to_nchr(&c, "\xce\xff", &err);
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string *expected = nstr("Byte 2 in UTF-8 sequence invalid: 0xff", nil);
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string *actual = errmsg(&err);
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REQUIRE( c == '\0' );
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REQUIRE( errnum(&err) == EINVAL );
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REQUIRE( nstreq(expected, actual, nil) );
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errput(&err);
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}
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TEST_CASE( "utf8_to_nchr: Error on wrong third byte", "[string/utf.c]" )
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{
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error err;
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nchar c;
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utf8_to_nchr(&c, "\xe3\x81\xff", &err);
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string *expected = nstr("Byte 3 in UTF-8 sequence invalid: 0xff", nil);
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string *actual = errmsg(&err);
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REQUIRE( c == '\0' );
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REQUIRE( errnum(&err) == EINVAL );
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REQUIRE( nstreq(expected, actual, nil) );
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errput(&err);
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}
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TEST_CASE( "utf8_to_nchr: Error on wrong fourth byte", "[string/utf.c]" )
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{
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error err;
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nchar c;
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utf8_to_nchr(&c, "\xf0\x9f\xa5\xff", &err);
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string *expected = nstr("Byte 4 in UTF-8 sequence invalid: 0xff", nil);
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string *actual = errmsg(&err);
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REQUIRE( c == '\0' );
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REQUIRE( errnum(&err) == EINVAL );
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REQUIRE( nstreq(expected, actual, nil) );
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errput(&err);
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}
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TEST_CASE( "utf8_to_nchr: Error on non canonical encoding", "[string/utf.c]" )
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{
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error err;
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nchar c;
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utf8_to_nchr(&c, "\xf0\x80\x80\xa0", &err);
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string *expected = nstr("Non canonical UTF-8 encoding: 1 byte character stored in 4 bytes", nil);
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string *actual = errmsg(&err);
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REQUIRE( c == '\0' );
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REQUIRE( errnum(&err) == EINVAL );
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REQUIRE( nstreq(expected, actual, nil) );
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errput(&err);
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}
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/*
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* This file is part of libneo.
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* Copyright (c) 2021 Fefie <owo@fef.moe>.
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*
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* libneo is non-violent software: you may only use, redistribute,
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* and/or modify it under the terms of the CNPLv6+ as found in
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* the LICENSE file in the source code root directory or at
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* <https://git.pixie.town/thufie/CNPL>.
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*
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* libneo comes with ABSOLUTELY NO WARRANTY, to the extent
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* permitted by applicable law. See the CNPLv6+ for details.
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*/
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