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string: add tests

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This commit is contained in:
anna 2021-07-16 21:47:18 +02:00
parent 0f3c11110c
commit 30954cd078
Signed by: fef
GPG key ID: EC22E476DC2D3D84
12 changed files with 905 additions and 2 deletions
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154
test/string/nstrcmp.cpp Normal file
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/** See the end of this file for copyright and license terms. */
#include <catch2/catch.hpp>
#include <errno.h>
#include <neo.h>
TEST_CASE( "nstrcmp: Return 0 if strings are equal", "[string/nstrcat.c]" )
{
error err;
string *s1 = nstr("aaaaa", nil);
string *s2 = nstr("aaaaa", nil);
int diff = nstrcmp(s1, s2, &err);
REQUIRE( diff == 0 );
REQUIRE( errnum(&err) == 0 );
nput(s1);
nput(s2);
}
TEST_CASE( "nstrcmp: Return negative if first string is empty", "[string/nstrcat.c]" )
{
error err;
string *s1 = nstr("", nil);
string *s2 = nstr("aaaaa", nil);
int diff = nstrcmp(s1, s2, &err);
REQUIRE( diff < 0 );
REQUIRE( errnum(&err) == 0 );
nput(s1);
nput(s2);
}
TEST_CASE( "nstrcmp: Return positive if second string is empty", "[string/nstrcat.c]" )
{
error err;
string *s1 = nstr("aaaaa", nil);
string *s2 = nstr("", nil);
int diff = nstrcmp(s1, s2, &err);
REQUIRE( diff > 0 );
REQUIRE( errnum(&err) == 0 );
nput(s1);
nput(s2);
}
TEST_CASE( "nstrcmp: Return 0 if both strings are empty", "[string/nstrcat.c]" )
{
error err;
string *s1 = nstr("", nil);
string *s2 = nstr("", nil);
int diff = nstrcmp(s1, s2, &err);
REQUIRE( diff == 0 );
REQUIRE( errnum(&err) == 0 );
nput(s1);
nput(s2);
}
TEST_CASE( "nstrcmp: Return positive if first string is larger", "[string/nstrcat.c]" )
{
error err;
/* 'a' has a higher ASCII value than 'A' */
string *s1 = nstr("aaaaa", nil);
string *s2 = nstr("aaaAa", nil);
int diff = nstrcmp(s1, s2, &err);
REQUIRE( diff > 0 );
REQUIRE( errnum(&err) == 0 );
nput(s1);
nput(s2);
}
TEST_CASE( "nstrcmp: Return negative if second string is larger", "[string/nstrcat.c]" )
{
error err;
/* 'a' has a higher ASCII value than 'A' */
string *s1 = nstr("aaaAa", nil);
string *s2 = nstr("aaaaa", nil);
int diff = nstrcmp(s1, s2, &err);
REQUIRE( diff < 0 );
REQUIRE( errnum(&err) == 0 );
nput(s1);
nput(s2);
}
TEST_CASE( "nstrcmp: Error if first string is nil", "[string/nstrcat.c]" )
{
error err;
string *s2 = nstr("aaaaa", nil);
usize diff = nstrcmp(nil, s2, &err);
string *expected_msg = nstr("First string is nil", nil);
string *actual_msg = errmsg(&err);
REQUIRE( diff > 0 );
REQUIRE( errnum(&err) == EFAULT );
REQUIRE( nstreq(expected_msg, actual_msg, nil) );
nput(s2);
nput(expected_msg);
errput(&err);
}
TEST_CASE( "nstrcmp: Error if second string is nil", "[string/nstrcat.c]" )
{
error err;
string *s1 = nstr("aaaaa", nil);
usize diff = nstrcmp(s1, nil, &err);
string *expected_msg = nstr("Second string is nil", nil);
string *actual_msg = errmsg(&err);
REQUIRE( diff > 0 );
REQUIRE( errnum(&err) == EFAULT );
REQUIRE( nstreq(expected_msg, actual_msg, nil) );
nput(s1);
nput(expected_msg);
errput(&err);
}
/*
* We don't need to test for Unicode sequences because Unicode sequences are
* designed to be able to be treated like ASCII strings in comparison operations
* and still produce a correct result.
*/
/*
* This file is part of libneo.
* Copyright (c) 2021 Fefie <owo@fef.moe>.
*
* libneo is non-violent software: you may only use, redistribute,
* and/or modify it under the terms of the CNPLv6+ as found in
* the LICENSE file in the source code root directory or at
* <https://git.pixie.town/thufie/CNPL>.
*
* libneo comes with ABSOLUTELY NO WARRANTY, to the extent
* permitted by applicable law. See the CNPLv6+ for details.
*/