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#include <stdbool.h>
#include <stddef.h>
#include <stdio.h>
#include "wcwidth.h"
static int tests_run;
static int test_failures;
void assertWidthIs(int expected_width, wchar_t c) {
tests_run++;
int actual_width = wcwidth(c);
if (actual_width != expected_width) {
fprintf(stderr, "ERROR: wcwidth(U+%04x) returned %d, expected %d\n", c, actual_width, expected_width);
test_failures++;
}
}
int main() {
assertWidthIs(1, 'a');
assertWidthIs(1, L'ö');
// Some wide:
assertWidthIs(2, L'Ａ');
assertWidthIs(2, L'Ｂ');
assertWidthIs(2, L'Ｃ');
assertWidthIs(2, L'中');
assertWidthIs(2, L'文');
assertWidthIs(2, 0x679C);
assertWidthIs(2, 0x679D);
assertWidthIs(2, 0x2070E);
assertWidthIs(2, 0x20731);
assertWidthIs(1, 0x11A3);
assertWidthIs(2, 0x1F428); // Koala emoji.
assertWidthIs(2, 0x231a); // Watch emoji.
if (test_failures > 0) printf("%d tests FAILED, ", test_failures);
printf("%d tests OK\n", tests_run);
return (test_failures == 0) ? 0 : 1;
}
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