cosmopolitan/test/libc/alg/replacestr_test.inc

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2020-06-15 14:18:57 +00:00
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
Copyright 2020 Justine Alexandra Roberts Tunney
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; version 2 of the License.
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
╚─────────────────────────────────────────────────────────────────────────────*/
TEST(REPLACESTR, demo) {
EXPECT_STREQ(S("hello friends"),
replacestr(S("hello world"), S("world"), S("friends")));
EXPECT_STREQ(S("bbbbbbbb"), replacestr(S("aaaa"), S("a"), S("bb")));
}
TEST(REPLACESTR, emptyString) {
EXPECT_STREQ(S(""), replacestr(S(""), S("x"), S("y")));
}
TEST(REPLACESTR, emptyNeedle) {
EXPECT_EQ(NULL, replacestr(S("a"), S(""), S("a")));
EXPECT_EQ(EINVAL, errno);
}
TEST(REPLACESTR, needleInReplacement_doesntExplode) {
EXPECT_STREQ(S("xxxxxxx"), replacestr(S("x"), S("x"), S("xxxxxxx")));
}