kaguya
68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
#include <assert.h>
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#include <locale.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <wchar.h>
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#if UINTPTR_MAX == UINT64_MAX
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#define WCHAR_SPEC ""
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#else
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#define WCHAR_SPEC "l"
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#endif
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/*
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* The code in this test is taken from https://github.com/termux/wcwidth/,
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* under the following license:
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*
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* Copyright (C) Fredrik Fornwall 2016.
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* Distributed under the MIT License.
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*
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* Implementation of wcwidth(3) as a C port of:
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* https://github.com/jquast/wcwidth
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*
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* Report issues at:
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* https://github.com/termux/wcwidth
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*/
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static int tests_run;
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static int test_failures;
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void assertWidthIs(int expected_width, wchar_t c) {
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tests_run++;
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int actual_width = wcwidth(c);
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if (actual_width != expected_width) {
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fprintf(stderr, "ERROR: wcwidth(U+%04" WCHAR_SPEC "x, '%lc') returned %d, expected %d\n", c, (wint_t) c, actual_width, expected_width);
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test_failures++;
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}
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}
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int main() {
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setlocale(LC_CTYPE, "C.UTF-8");
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assertWidthIs(1, 'a');
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assertWidthIs(1, L'ö');
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// Some wide:
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assertWidthIs(2, L'Ａ');
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assertWidthIs(2, L'Ｂ');
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assertWidthIs(2, L'Ｃ');
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assertWidthIs(2, L'中');
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assertWidthIs(2, L'文');
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assertWidthIs(2, 0x679C);
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assertWidthIs(2, 0x679D);
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assertWidthIs(2, 0x2070E);
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assertWidthIs(2, 0x20731);
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#ifndef USE_HOST_LIBC
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assertWidthIs(1, 0x11A3);
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#endif
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assertWidthIs(2, 0x1F428); // Koala emoji.
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assertWidthIs(2, 0x231a); // Watch emoji.
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if (test_failures > 0) printf("%d tests FAILED, ", test_failures);
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printf("%d tests OK\n", tests_run - test_failures);
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return (test_failures == 0) ? 0 : 1;
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}
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