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105 lines
2.9 KiB
C++
105 lines
2.9 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_from_nchr: Encode 1-byte character", "[string/utf.c]" )
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{
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char buf[5] = { '\xff', '\xff', '\xff', '\xff', '\xff' };
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error err;
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usize size = utf8_from_nchr(&buf[0], ',', &err);
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REQUIRE( buf[0] == ',' );
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REQUIRE( buf[1] == '\0' );
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REQUIRE( buf[2] == '\xff' );
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REQUIRE( buf[3] == '\xff' );
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REQUIRE( buf[4] == '\xff' );
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REQUIRE( size == 1 );
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REQUIRE( errnum(&err) == 0 );
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}
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TEST_CASE( "utf8_from_nchr: Encode 2-byte character", "[string/utf.c]" )
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{
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char buf[5] = { '\xff', '\xff', '\xff', '\xff', '\xff' };
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error err;
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/* U+03B1 Greek Smol Letter Alpha */
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usize size = utf8_from_nchr(&buf[0], 0x03b1, &err);
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REQUIRE( buf[0] == '\xce' );
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REQUIRE( buf[1] == '\xb1' );
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REQUIRE( buf[2] == '\0' );
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REQUIRE( buf[3] == '\xff' );
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REQUIRE( buf[4] == '\xff' );
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REQUIRE( size == 2 );
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REQUIRE( errnum(&err) == 0 );
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}
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TEST_CASE( "utf8_from_nchr: Encode 3-byte character", "[string/utf.c]" )
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{
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char buf[5] = { '\xff', '\xff', '\xff', '\xff', '\xff' };
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error err;
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/* U+3042 Hiragana Letter A */
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usize size = utf8_from_nchr(&buf[0], 0x3042, &err);
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REQUIRE( buf[0] == '\xe3' );
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REQUIRE( buf[1] == '\x81' );
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REQUIRE( buf[2] == '\x82' );
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REQUIRE( buf[3] == '\0' );
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REQUIRE( buf[4] == '\xff' );
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REQUIRE( size == 3 );
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REQUIRE( errnum(&err) == 0 );
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}
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TEST_CASE( "utf8_from_nchr: Encode 4-byte character", "[string/utf.c]" )
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{
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char buf[5] = { '\xff', '\xff', '\xff', '\xff', '\xff' };
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error err;
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/* U+1F97A The Bottom Emoji(TM) */
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usize size = utf8_from_nchr(&buf[0], 0x01f97a, &err);
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REQUIRE( buf[0] == '\xf0' );
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REQUIRE( buf[1] == '\x9f' );
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REQUIRE( buf[2] == '\xa5' );
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REQUIRE( buf[3] == '\xba' );
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REQUIRE( buf[4] == '\0' );
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REQUIRE( size == 4 );
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REQUIRE( errnum(&err) == 0 );
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}
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TEST_CASE( "utf8_from_nchr: Error if out of Unicode range", "[string/utf.c]" )
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{
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char buf[5] = { '\xff', '\xff', '\xff', '\xff', '\xff' };
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error err;
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/* Unicode range is 0x00~0x10ffff */
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usize size = utf8_from_nchr(&buf[0], 0x110000, &err);
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nstr_t *expected = nstr("Character code not within Unicode range", nil);
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nstr_t *actual = errmsg(&err);
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REQUIRE( buf[0] == '\0' );
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REQUIRE( buf[1] == '\xff' );
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REQUIRE( buf[2] == '\xff' );
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REQUIRE( buf[3] == '\xff' );
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REQUIRE( buf[4] == '\xff' );
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REQUIRE( size == 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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