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Justine Tunney 2020-06-15 07:18:57 -07:00
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test/libc/str/strchr_test.c Normal file
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/*-*- 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 │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/bits.h"
#include "libc/str/str.h"
#include "libc/testlib/testlib.h"
TEST(strchr, blank) {
const char *const blank = "";
EXPECT_EQ(NULL, strchr(blank, '#'));
EXPECT_EQ(blank, strchr(blank, '\0'));
}
TEST(strchr, text) {
char buf[] = "hellothere";
EXPECT_STREQ("there", strchr(buf, 't'));
}
TEST(rawmemchr, text) {
char buf[] = "hellothere";
EXPECT_STREQ("there", rawmemchr(buf, 't'));
}
TEST(strchrnul, text) {
char buf[] = "hellothere";
EXPECT_STREQ("there", strchrnul(buf, 't'));
}
TEST(strchr, nulTerminator) {
char buf[] = "hellothere";
EXPECT_STREQ("", strchr(buf, '\0'));
}
TEST(rawmemchr, nulTerminator) {
char buf[] = "hellothere";
EXPECT_STREQ("", rawmemchr(buf, '\0'));
}
TEST(strchrnul, nulTerminator) {
char buf[] = "hellothere";
EXPECT_STREQ("", strchrnul(buf, '\0'));
}
TEST(strchr, notFound_returnsNul) {
char buf[] = "hellothere";
EXPECT_EQ(NULL, strchr(buf, 'z'));
}
TEST(strchrnul, notFound_returnsPointerToNulByte) {
char buf[] = "hi";
EXPECT_STREQ("", strchrnul(buf, 'z'));
EXPECT_EQ(&buf[2], strchrnul(buf, 'z'));
}