cosmopolitan/test/libc/mem/replacestr_test.c
2022-08-13 08:32:34 -07:00

41 lines
2.4 KiB
C

/*-*- 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 │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/mem/alg.h"
#include "libc/errno.h"
#include "libc/runtime/gc.internal.h"
#include "libc/testlib/testlib.h"
TEST(replacestr, demo) {
EXPECT_STREQ("hello friends",
gc(replacestr("hello world", "world", "friends")));
EXPECT_STREQ("bbbbbbbb", gc(replacestr("aaaa", "a", "bb")));
}
TEST(replacestr, emptyString) {
EXPECT_STREQ("", gc(replacestr("", "x", "y")));
}
TEST(replacestr, emptyNeedle) {
EXPECT_EQ(NULL, gc(replacestr("a", "", "a")));
EXPECT_EQ(EINVAL, errno);
}
TEST(replacestr, needleInReplacement_doesntExplode) {
EXPECT_STREQ("xxxxxxx", gc(replacestr("x", "x", "xxxxxxx")));
}