cosmopolitan/test/libc/str/memcasecmp_test.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 2021 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.      │
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│ 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/mem.h"
#include "libc/mem/gc.internal.h"
#include "libc/str/str.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/hyperion.h"
#include "libc/testlib/testlib.h"

TEST(memcasecmp, test) {
  EXPECT_EQ(0, memcasecmp("HELLOHELLO", "hellohello", 10));
  EXPECT_EQ(-17, memcasecmp("HELLOHELLO", "yelloyello", 10));
  EXPECT_EQ(-17, memcasecmp("HELLOHELLO", "YELLOYELLO", 10));
  EXPECT_EQ(+17, memcasecmp("yelloyello", "HELLOHELLO", 10));
  EXPECT_EQ(0, memcasecmp("\0ELLo\0ELLo", "\0ELLO\0ELLO", 10));
  EXPECT_NE(0, memcasecmp("\0ELLo\0ELLo", "\0ELL-\0ELL-", 10));
}

BENCH(memcasecmp, bench) {
  volatile char *copy = gc(strdup(kHyperion));
  EZBENCH2("memcasecmp", donothing,
           EXPROPRIATE(memcasecmp(kHyperion, copy, kHyperionSize)));
}