cosmopolitan/test/libc/str/crc32z_test.c
Justine Tunney 39bf41f4eb Make numerous improvements
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2021-09-28 01:52:34 -07:00

60 lines
3.3 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/assert.h"
#include "libc/bits/bits.h"
#include "libc/dce.h"
#include "libc/intrin/asan.internal.h"
#include "libc/mem/mem.h"
#include "libc/nexgen32e/crc32.h"
#include "libc/nexgen32e/x86feature.h"
#include "libc/runtime/gc.internal.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/hyperion.h"
#include "libc/testlib/testlib.h"
#define FANATICS "Fanatics"
static const char hyperion[] =
FANATICS " have their dreams, wherewith they weave / "
"A paradise for a sect; the savage too / "
"From forth the loftiest fashion of his sleep / "
"...";
TEST(crc32_z, test) {
char *p;
p = gc(strdup(kHyperion));
EXPECT_EQ(0, crc32_z(0, 0, 0));
EXPECT_EQ(0, crc32_z(0, "", 0));
EXPECT_EQ(0xcbf43926, crc32_z(0, "123456789", 9));
EXPECT_EQ(0xc386e7e4, crc32_z(0, hyperion, strlen(hyperion)));
EXPECT_EQ(0xc386e7e4, crc32_z(crc32_z(0, FANATICS, strlen(FANATICS)),
hyperion + strlen(FANATICS),
strlen(hyperion) - strlen(FANATICS)));
EXPECT_EQ(0xcbfc3df2, crc32_z(0, hyperion + 1, strlen(hyperion) - 1));
EXPECT_EQ(0x9feb0e30, crc32_z(0, hyperion + 7, strlen(hyperion) - 7));
EXPECT_EQ(0x5b80e54e, crc32_z(0, hyperion + 7, strlen(hyperion) - 8));
EXPECT_EQ(0xe9ded8e6, crc32_z(0, p, kHyperionSize));
}
BENCH(crc32_z, bench) {
EZBENCH_N("crc32_z", kHyperionSize, crc32_z(0, kHyperion, kHyperionSize));
EZBENCH_N("crc32_z", kHyperionSize, crc32_z(0, kHyperion, kHyperionSize));
}