77 lines
5.8 KiB
C
77 lines
5.8 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 2020 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/bits/bits.h"
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#include "libc/str/str.h"
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/testlib.h"
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#include "libc/unicode/unicode.h"
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TEST(strwidth, testCjkWidesAndCombiningLowLines_withThompsonPikeEncoding) {
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/*───────────────────────────────────────────────────┬─*/
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EXPECT_EQ(20, strwidth(/**/ "𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷▒▒▒▒▒▒▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(20, strwidth(/**/ "(╯°□°)╯𐄻︵ ̲┻̲━̲┻▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(20, strwidth(/**/ "ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(20, strclen(/*─*/ "𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷▒▒▒▒▒▒▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(22, strclen(/*─*/ "(╯°□°)╯𐄻︵ ̲┻̲━̲┻▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(14, strclen(/*─*/ "ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(68, strlen(/*──*/ "𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷▒▒▒▒▒▒▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(56, strlen(/*──*/ "(╯°□°)╯𐄻︵ ̲┻̲━̲┻▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(42, strlen(/*──*/ "ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
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/*───────────────────────────────────────────────────┴─*/
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}
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TEST(strwidth16, testCjkWidesAndCombiningLowLines_lengthIsNotShorts) {
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/*──────────────────────────────────────────────────────┬─*/
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EXPECT_EQ(20, strwidth16(/**/ u"𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷▒▒▒▒▒▒▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(20, strwidth16(/**/ u"(╯°□°)╯𐄻︵ ̲┻̲━̲┻▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(20, strwidth16(/**/ u"ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(20, strclen16(/*─*/ u"𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷▒▒▒▒▒▒▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(22, strclen16(/*─*/ u"(╯°□°)╯𐄻︵ ̲┻̲━̲┻▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(14, strclen16(/*─*/ u"ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(28, strlen16(/*──*/ u"𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷▒▒▒▒▒▒▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(23, strlen16(/*──*/ u"(╯°□°)╯𐄻︵ ̲┻̲━̲┻▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(14, strlen16(/*──*/ u"ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
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/*──────────────────────────────────────────────────────┴─*/
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}
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TEST(wcwidth, testCjkWidesAndCombiningLowLines_widthIsNotLength) {
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/*────────────────────────────────────────────────────┬─*/
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EXPECT_EQ(20, wcswidth(/**/ L"Table flip▒▒▒▒▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(20, wcswidth(/**/ L"(╯°□°)╯︵ ̲┻̲━̲┻▒▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(20, wcswidth(/**/ L"ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(20, wcslen(/*──*/ L"Table flip▒▒▒▒▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(22, wcslen(/*──*/ L"(╯°□°)╯︵ ̲┻̲━̲┻▒▒▒▒▒▒▒" /*│*/));
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EXPECT_EQ(14, wcslen(/*──*/ L"ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
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/*────────────────────────────────────────────────────┴─*/
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}
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TEST(wcwidth, block) {
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EXPECT_EQ(1, wcwidth(u'▄'));
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}
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TEST(strwidth, testTextDelimitingControlCodes_dontHaveSubstance) {
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EXPECT_EQ(0, strwidth("\0"));
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EXPECT_EQ(0, strwidth("\1"));
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}
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BENCH(wcwidth, bench) {
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volatile int x;
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EZBENCH2("wcwidth", donothing, x = wcwidth(VEIL("r", u'→')));
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}
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