mirror of https://github.com/mpv-player/mpv
89 lines
3.8 KiB
C
89 lines
3.8 KiB
C
/*
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* This file is part of mpv.
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*
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* mpv is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* mpv is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "test_utils.h"
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#include <limits.h>
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#include "misc/codepoint_width.h"
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#define W(s) term_disp_width((bstr)bstr0_lit(s), INT_MAX, &(const unsigned char *){NULL})
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int main(void) {
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assert_int_equal(W("A"), 1); // Single ASCII character
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assert_int_equal(W("ABC"), 3); // Multiple ASCII characters
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assert_int_equal(W("\u3042"), 2); // Full-width Japanese Hiragana 'あ' (U+3042)
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assert_int_equal(W("\u4F60"), 2); // Full-width Chinese character '你' (U+4F60)
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assert_int_equal(W("\u4F60\u597D"), 4); // Two full-width Chinese characters '你好' (U+4F60 U+597D)
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assert_int_equal(W("a\u0301"), 1); // 'a' + combining acute accent '́' (U+0301)
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assert_int_equal(W("e\u0301"), 1); // 'e' + combining acute accent '́' (U+0301)
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assert_int_equal(W("a\u0308"), 1); // 'a' + combining diaeresis '̈' (U+0308)
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// Family emoji: 👩❤️👩 (Woman + ZWJ + Heart + ZWJ + Woman;
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// Code points: U+1F469 U+200D U+2764 U+FE0F U+200D U+1F469)
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assert_int_equal(W("\U0001F469\u200D\u2764\uFE0F\u200D\U0001F469"), 2);
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// Man emoji with skin tone modifier
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assert_int_equal(W("\U0001F468\U0001F3FE"), 2);
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// Person Shrugging + skin tone modifier + ZWJ + woman sign + variant selector
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assert_int_equal(W("\U0001F937\U0001F3FE\u200D\U00002640\U0000FE0F"), 2);
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// Regional indicator symbols forming the flag of Poland
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assert_int_equal(W("\U0001F1F5\U0001F1F1"), 2);
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assert_int_equal(W("\n"), 0); // Newline (should not take up any visual space)
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assert_int_equal(W("\t"), 0); // Tab (no visual width itself)
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assert_int_equal(W("\0"), 0); // Null character (non-visible)
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assert_int_equal(W("A\u3042"), 3); // ASCII 'A' + full-width Japanese Hiragana 'あ' (U+3042)
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assert_int_equal(W("a\u0301A"), 2); // Combining character 'á' (a + U+0301) and ASCII 'A'
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// Grapheme cluster + ASCII 'A' + full-width Japanese Hiragana 'あ' (U+3042)
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assert_int_equal(W("\U0001F469\u200D\u2764\uFE0F\u200D\U0001F469A\u3042"), 5);
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assert_int_equal(W("A\nB"), 2); // ASCII characters with newline (newline should not affect width)
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assert_int_equal(W("ABC\tDEF"), 6); // Tab inside a string (no visual width for '\t')
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// ASCII characters with color
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assert_int_equal(W("\033[31mABC\033[0m\033[32mDEF\033[0m"), 6);
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// ASCII characters with color and a newline
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assert_int_equal(W("\033[31mABC\033[0m\033[32mDEF\033[0m\n"), 6);
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// ASCII characters with carriage return
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assert_int_equal(W("ABC\rDEF"), 3);
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bstr str = bstr0("ABCDEF");
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const unsigned char *cut_pos;
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cut_pos = NULL;
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assert_int_equal(term_disp_width(str, 3, &cut_pos), 3);
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assert_int_equal(cut_pos - str.start, 3);
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cut_pos = NULL;
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assert_int_equal(term_disp_width(str, -2, &cut_pos), 0);
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assert_int_equal(cut_pos - str.start, 0);
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cut_pos = NULL;
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assert_int_equal(term_disp_width(str, str.len, &cut_pos), 6);
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if (cut_pos) {
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printf("%s:%d: cut_pos != NULL\n", __FILE__, __LINE__);
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fflush(stdout);
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abort();
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}
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}
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