cosmopolitan/test/libc/intrin/strrchr_test.c
Justine Tunney cc1732bc42
Make AARCH64 harder, better, faster, stronger
- Perform some housekeeping on scalar math function code
- Import ARM's Optimized Routines for SIMD string processing
- Upgrade to latest Chromium zlib and enable more SIMD optimizations
2023-05-15 02:15:34 -07:00

119 lines
5.8 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/str/str.h"
#include "libc/testlib/testlib.h"
TEST(strrchr, test) {
EXPECT_EQ(NULL, strrchr("hello", 'z'));
EXPECT_STREQ("lo", strrchr("hello", 'l'));
EXPECT_STREQ("llo", strchr("hello", 'l'));
EXPECT_STREQ("hello", strrchr("hello", 'h'));
EXPECT_STREQ("ello", strrchr("hello", 'e'));
EXPECT_STREQ("o", strrchr("hello", 'o'));
}
TEST(strrchr, simdVectorStuffIsntBroken) {
EXPECT_EQ(NULL, strrchr("--------------------------------", 'x'));
EXPECT_STREQ("x", strrchr("-------------------------------x", 'x'));
EXPECT_STREQ("x-------------------------------",
strrchr("x-------------------------------", 'x'));
EXPECT_STREQ("x"
"z-------------------------------",
strrchr("x"
"z-------------------------------",
'x'));
EXPECT_STREQ("x-------------------------------"
"y-------------------------------",
strrchr("x-------------------------------"
"y-------------------------------",
'x'));
EXPECT_STREQ("x"
"z-------------------------------"
"y-------------------------------",
strrchr("x"
"z-------------------------------"
"y-------------------------------",
'x'));
}
TEST(strrchr16, test) {
EXPECT_EQ(NULL, strrchr16(u"hello", 'z'));
EXPECT_STREQ(u"lo", strrchr16(u"hello", 'l'));
EXPECT_STREQ(u"llo", strchr16(u"hello", 'l'));
EXPECT_STREQ(u"hello", strrchr16(u"hello", 'h'));
EXPECT_STREQ(u"ello", strrchr16(u"hello", 'e'));
EXPECT_STREQ(u"o", strrchr16(u"hello", 'o'));
}
TEST(strrchr16, simdVectorStuffIsntBroken) {
EXPECT_EQ(NULL, strrchr16(u"--------------------------------", 'x'));
EXPECT_STREQ(u"x", strrchr16(u"-------------------------------x", 'x'));
EXPECT_STREQ(u"x-------------------------------",
strrchr16(u"x-------------------------------", 'x'));
EXPECT_STREQ(u"x"
u"z-------------------------------",
strrchr16(u"x"
u"z-------------------------------",
'x'));
EXPECT_STREQ(u"x-------------------------------"
u"y-------------------------------",
strrchr16(u"x-------------------------------"
u"y-------------------------------",
'x'));
EXPECT_STREQ(u"x"
u"z-------------------------------"
u"y-------------------------------",
strrchr16(u"x"
u"z-------------------------------"
u"y-------------------------------",
'x'));
}
TEST(wcsrchr, test) {
EXPECT_EQ(NULL, wcsrchr(L"hello", 'z'));
EXPECT_STREQ(L"lo", wcsrchr(L"hello", 'l'));
EXPECT_STREQ(L"llo", wcschr(L"hello", 'l'));
EXPECT_STREQ(L"hello", wcsrchr(L"hello", 'h'));
EXPECT_STREQ(L"ello", wcsrchr(L"hello", 'e'));
EXPECT_STREQ(L"o", wcsrchr(L"hello", 'o'));
}
TEST(wcsrchr, simdVectorStuffIsntBroken) {
EXPECT_EQ(NULL, wcsrchr(L"--------------------------------", 'x'));
EXPECT_STREQ(L"x", wcsrchr(L"-------------------------------x", 'x'));
EXPECT_STREQ(L"x-------------------------------",
wcsrchr(L"x-------------------------------", 'x'));
EXPECT_STREQ(L"x"
L"z-------------------------------",
wcsrchr(L"x"
L"z-------------------------------",
'x'));
EXPECT_STREQ(L"x-------------------------------"
L"y-------------------------------",
wcsrchr(L"x-------------------------------"
L"y-------------------------------",
'x'));
EXPECT_STREQ(L"x"
L"z-------------------------------"
L"y-------------------------------",
wcsrchr(L"x"
L"z-------------------------------"
L"y-------------------------------",
'x'));
}