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/*-*- 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 │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/bits/bits.h"
#include "libc/str/str.h"
#include "libc/testlib/testlib.h"
#include "libc/unicode/unicode.h"
TEST(strwidth, testCjkWidesAndCombiningLowLines_withThompsonPikeEncoding) {
/*───────────────────────────────────────────────────┬─*/
EXPECT_EQ(20, strwidth(/**/ "𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷▒▒▒▒▒▒▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(20, strwidth(/**/ "(╯°□°)╯𐄻︵ ̲̲̲┻▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(20, strwidth(/**/ "ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(20, strclen(/*─*/ "𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷▒▒▒▒▒▒▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(22, strclen(/*─*/ "(╯°□°)╯𐄻︵ ̲̲̲┻▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(14, strclen(/*─*/ "ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(68, strlen(/*──*/ "𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷▒▒▒▒▒▒▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(56, strlen(/*──*/ "(╯°□°)╯𐄻︵ ̲̲̲┻▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(42, strlen(/*──*/ "ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
/*───────────────────────────────────────────────────┴─*/
}
TEST(strwidth16, testCjkWidesAndCombiningLowLines_lengthIsNotShorts) {
/*──────────────────────────────────────────────────────┬─*/
EXPECT_EQ(20, strwidth16(/**/ u"𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷▒▒▒▒▒▒▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(20, strwidth16(/**/ u"(╯°□°)╯𐄻︵ ̲̲̲┻▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(20, strwidth16(/**/ u"ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(20, strclen16(/*─*/ u"𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷▒▒▒▒▒▒▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(22, strclen16(/*─*/ u"(╯°□°)╯𐄻︵ ̲̲̲┻▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(14, strclen16(/*─*/ u"ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(28, strlen16(/*──*/ u"𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷▒▒▒▒▒▒▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(23, strlen16(/*──*/ u"(╯°□°)╯𐄻︵ ̲̲̲┻▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(14, strlen16(/*──*/ u"ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
/*──────────────────────────────────────────────────────┴─*/
}
TEST(wcwidth, testCjkWidesAndCombiningLowLines_widthIsNotLength) {
/*────────────────────────────────────────────────────┬─*/
EXPECT_EQ(20, wcswidth(/**/ L"Table flip▒▒▒▒▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(20, wcswidth(/**/ L"(╯°□°)╯︵ ̲̲̲┻▒▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(20, wcswidth(/**/ L"ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(20, wcslen(/*──*/ L"Table flip▒▒▒▒▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(22, wcslen(/*──*/ L"(╯°□°)╯︵ ̲̲̲┻▒▒▒▒▒▒▒" /*│*/));
EXPECT_EQ(14, wcslen(/*──*/ L"ちゃぶ台返し▒▒▒▒▒▒▒▒" /*│*/));
/*────────────────────────────────────────────────────┴─*/
}
TEST(strwidth, testEmoji_cosmoHelpsYouBuildInclusiveProductsEasily) {
/* ┌─If this line is solid your terminal
│ is respectful and inclusive towards
│ our friends w/ rich and interesting
│ backgrounds that aren't Anglo-Saxon
│ ┌─This line being solid, means your
│ │ terminal needs a patch to address
│ │ issues concerning racism
│ │
──────────────────────────────────────┼─┼─*/
EXPECT_EQ(02, wcswidth(/**/ L"👦🏿" /*- │ - */));
/*────────────────────────────────────┼─┼─*/
}
TEST(strwidth, tab) {
EXPECT_EQ(32, strwidth("mov 0x0(%rip),%rcx \t"));
}
TEST(wcwidth, block) {
EXPECT_EQ(1, wcwidth(u''));
}
TEST(strwidth, testTextDelimitingControlCodes_dontHaveSubstance) {
EXPECT_EQ(0, strwidth("\0"));
EXPECT_EQ(0, strwidth("\1"));
}