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https://github.com/jart/cosmopolitan.git
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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
57 lines
3 KiB
C
57 lines
3 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 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/assert.h"
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#include "libc/str/strwidth.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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TEST(strwidth, test) {
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EXPECT_EQ(5, strwidth("hello", 0));
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EXPECT_EQ(5, strwidth("\1he\e[0;0mllo\e#8", 0));
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EXPECT_EQ(10, strwidth("ＨＥＬＬＯ", 0));
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}
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TEST(strwidth, tab) {
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EXPECT_EQ(8, strwidth("\t", 0));
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EXPECT_EQ(8, strwidth(" \t", 0));
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EXPECT_EQ(8, strwidth(" \t", 0));
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EXPECT_EQ(16, strwidth(" \t", 0));
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}
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TEST(strwidth, hyperion) {
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ASSERT_EQ(22304, strwidth(kHyperion, 0));
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}
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TEST(strwidth, chinese) {
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ASSERT_EQ(53 * 4,
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strwidth("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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0));
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}
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TEST(strwidth, cjk) {
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ASSERT_EQ(37, strwidth("거주하는 사람들 중에서 한국어를 주로 ", 0));
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}
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BENCH(strnwidth, bench) {
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EZBENCH2("strnwidth", donothing, __expropriate(strnwidth(kHyperion, -1, 0)));
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}
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