mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 11:37:35 +00:00
87d7010495
This change helps spectre more intelligently plan execution, by working around false output dependencies, impacting ops like popcnt bsr and bsf
54 lines
3.3 KiB
C
54 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 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. │
|
|
│ │
|
|
│ 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/testlib/blocktronics.h"
|
|
#include "libc/testlib/ezbench.h"
|
|
#include "libc/testlib/hyperion.h"
|
|
#include "libc/testlib/testlib.h"
|
|
#include "net/http/escape.h"
|
|
|
|
TEST(HasControlCodes, test) {
|
|
EXPECT_EQ(-1, HasControlCodes(kHyperion, kHyperionSize, kControlC0));
|
|
EXPECT_EQ(+2, HasControlCodes("hi\1", -1, kControlC0));
|
|
EXPECT_EQ(-1, HasControlCodes("hi\1", -1, kControlC1));
|
|
EXPECT_EQ(-1, HasControlCodes("hi there", -1, 0));
|
|
EXPECT_NE(-1, HasControlCodes("hi\tthere", -1, kControlWs));
|
|
}
|
|
|
|
TEST(HasControlCodes, testDoesUtf8) {
|
|
EXPECT_EQ(-1, HasControlCodes(u8"→", -1, kControlC0 | kControlC1));
|
|
EXPECT_EQ(-1, HasControlCodes("\304\200", -1, kControlC0 | kControlC1));
|
|
EXPECT_NE(-1, HasControlCodes("\300\200", -1, kControlC0 | kControlC1));
|
|
EXPECT_EQ(-1, HasControlCodes("\300\200", -1, kControlC1));
|
|
EXPECT_NE(-1, HasControlCodes("\302\202", -1, kControlC0 | kControlC1));
|
|
EXPECT_NE(-1, HasControlCodes("\302\202", -1, kControlC1));
|
|
EXPECT_EQ(-1, HasControlCodes("\302\202", -1, kControlC0));
|
|
}
|
|
|
|
TEST(HasControlCodes, testHasLatin1FallbackBehavior) {
|
|
EXPECT_NE(-1, HasControlCodes("\202", -1, kControlWs | kControlC1));
|
|
EXPECT_EQ(-1, HasControlCodes("\202", -1, kControlC0));
|
|
}
|
|
|
|
BENCH(HasControlCodes, bench) {
|
|
EZBENCH2("HasControlCodes small", donothing, HasControlCodes("hello", -1, 0));
|
|
EZBENCH2("HasControlCodes big", donothing,
|
|
HasControlCodes(kHyperion, kHyperionSize, kControlC1));
|
|
EZBENCH2("HasControlCodes unicode", donothing,
|
|
HasControlCodes(kBlocktronics, kBlocktronicsSize, kControlC1));
|
|
}
|