mirror of
https://github.com/jart/cosmopolitan.git
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68 lines
3.6 KiB
C
68 lines
3.6 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/calls.h"
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#include "libc/mem/mem.h"
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#include "libc/runtime/runtime.h"
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#include "libc/runtime/symbols.internal.h"
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#include "libc/str/str.h"
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#include "libc/testlib/blocktronics.h"
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/hyperion.h"
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#include "libc/testlib/testlib.h"
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void SetUpOnce(void) {
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GetSymbolTable();
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ASSERT_SYS(0, 0, pledge("stdio rpath", 0));
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}
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TEST(isutf8, good) {
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ASSERT_TRUE(_isutf8("\0\1\2\3", 4));
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EXPECT_TRUE(_isutf8(kHyperion, kHyperionSize));
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EXPECT_TRUE(_isutf8("𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷▒▒▒▒▒▒▒▒▒▒▒▒", -1));
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EXPECT_TRUE(_isutf8("天地玄黄 宇宙洪荒 日月盈昃 辰宿列张 寒来暑往 秋收冬藏"
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"闰馀成岁 律吕调阳 云腾致雨 露结为霜 金生丽水 玉出昆冈"
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"剑号巨阙 珠称夜光 果珍李柰 菜重芥姜 海咸河淡 鳞潜羽翔"
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"龙师火帝 鸟官人皇 始制文字 乃服衣裳 推位让国 有虞陶唐",
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-1));
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}
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TEST(isutf8, bad) {
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ASSERT_FALSE(_isutf8("\300\200", -1)); // overlong nul
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ASSERT_FALSE(_isutf8("\200\300", -1)); // latin1 c1 control code
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ASSERT_FALSE(_isutf8("\300\300", -1)); // missing continuation
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ASSERT_FALSE(_isutf8("\377\200\200\200\200", -1)); // thompson-pike varint
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}
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TEST(isutf8, oob) {
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int n;
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char *p;
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for (n = 0; n < 32; ++n) {
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p = memset(malloc(n), 'a', n);
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ASSERT_TRUE(_isutf8(p, n));
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free(p);
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}
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}
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BENCH(isutf8, bench) {
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EZBENCH_N("_isutf8", 0, _isutf8(0, 0));
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EZBENCH_N("_isutf8", 5, _isutf8("hello", 5));
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EZBENCH_N("_isutf8 ascii", kHyperionSize, _isutf8(kHyperion, kHyperionSize));
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EZBENCH_N("_isutf8 unicode", kBlocktronicsSize,
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_isutf8(kBlocktronics, kBlocktronicsSize));
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}
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