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Make a few fixups

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Justine Tunney 2022-06-12 07:32:14 -07:00
parent a5849f8549
commit 6070a53e89
8 changed files with 176 additions and 88 deletions
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test/libc/str/memrchr_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 2022 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/rand/rand.h"
#include "libc/str/str.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/hyperion.h"
#include "libc/testlib/testlib.h"
TEST(memrchr, testNotFoundSse) {
char buf[16] = {0};
ASSERT_EQ(NULL, memrchr(buf, 1, 16));
}
TEST(memrchr, testNotFoundPure) {
char buf[15] = {0};
ASSERT_EQ(NULL, memrchr(buf, 1, 15));
}
TEST(memrchr, testSse) {
char buf[16];
rngset(buf, sizeof(buf), lemur64, -1);
ASSERT_EQ(buf + 0, memrchr(buf, buf[0], 16));
ASSERT_EQ(buf + 15, memrchr(buf, buf[15], 16));
}
TEST(memrchr, testPure) {
char buf[15];
rngset(buf, sizeof(buf), lemur64, -1);
ASSERT_EQ(buf + 0, memrchr(buf, buf[0], 15));
ASSERT_EQ(buf + 14, memrchr(buf, buf[14], 15));
}
TEST(memrchr, testSse2) {
char buf[32];
rngset(buf, sizeof(buf), lemur64, -1);
ASSERT_EQ(buf + 0, memrchr(buf, buf[0], 32));
ASSERT_EQ(buf + 15, memrchr(buf, buf[15], 32));
ASSERT_EQ(buf + 16, memrchr(buf, buf[16], 32));
ASSERT_EQ(buf + 31, memrchr(buf, buf[31], 32));
}
TEST(memrchr, testSsePure) {
char buf[20];
rngset(buf, sizeof(buf), lemur64, -1);
ASSERT_EQ(buf + 0, memrchr(buf, buf[0], 20));
ASSERT_EQ(buf + 15, memrchr(buf, buf[15], 20));
ASSERT_EQ(buf + 16, memrchr(buf, buf[16], 20));
ASSERT_EQ(buf + 19, memrchr(buf, buf[19], 20));
}
BENCH(memrchr, bench) {
void *memrchr_(const void *, int, size_t) asm("memrchr");
EZBENCH2("memrchr", donothing, memrchr_(kHyperion, 255, kHyperionSize));
}