cosmopolitan/test/libc/str/memrchr16_test.c

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8                               :vi │
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│ Copyright 2021 Justine Alexandra Roberts Tunney                              │
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│ 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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│ 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               │
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│ PERFORMANCE OF THIS SOFTWARE.                                                │
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#include "libc/nexgen32e/nexgen32e.h"
#include "libc/str/str.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/hyperion.h"
#include "libc/testlib/testlib.h"

TEST(memrchr16, test) {
  EXPECT_EQ(NULL, memrchr16(u"yo.hi.thereeuhcruhrceeuhcre", '-', 27));
  EXPECT_STREQ(u".there", memrchr16(u"yo.hi.there", '.', 11));
  EXPECT_STREQ(u".thereeuhcruhrceeuhcre",
               memrchr16(u"yo.hi.thereeuhcruhrceeuhcre", '.', 27));
}

BENCH(memrchr16, bench) {
  EZBENCH2("memrchr16", donothing,
           __expropriate(memrchr16(u"yo.hi.there", '.', 11)));
  EZBENCH2("memrchr16 hyperion", donothing,
           __expropriate(memrchr16(kHyperion, '.', kHyperionSize / 2)));
}