72 lines
2.6 KiB
C
72 lines
2.6 KiB
C
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#include "tests.h"
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#include <ctype.h>
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#include <wchar.h>
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int my_isprint(int c) {
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int cat = utf8proc_get_property(c)->category;
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return (UTF8PROC_CATEGORY_LU <= cat && cat <= UTF8PROC_CATEGORY_ZS) ||
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(c == 0x0601 || c == 0x0602 || c == 0x0603 || c == 0x06dd);
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}
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int main(int argc, char **argv)
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{
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int c, error = 0, updates = 0;
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(void) argc; /* unused */
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(void) argv; /* unused */
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/* some simple sanity tests of the character widths */
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for (c = 0; c <= 0x110000; ++c) {
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int cat = utf8proc_get_property(c)->category;
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int w = utf8proc_charwidth(c);
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if ((cat == UTF8PROC_CATEGORY_MN || cat == UTF8PROC_CATEGORY_ME) &&
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w > 0) {
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fprintf(stderr, "nonzero width %d for combining char %x\n", w, c);
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error = 1;
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}
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if (w == 0 &&
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((cat >= UTF8PROC_CATEGORY_LU && cat <= UTF8PROC_CATEGORY_LO) ||
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(cat >= UTF8PROC_CATEGORY_ND && cat <= UTF8PROC_CATEGORY_SC) ||
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(cat >= UTF8PROC_CATEGORY_SO && cat <= UTF8PROC_CATEGORY_ZS))) {
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fprintf(stderr, "zero width for symbol-like char %x\n", c);
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error = 1;
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}
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if (c <= 127 && ((!isprint(c) && w > 0) ||
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(isprint(c) && wcwidth(c) != w))) {
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fprintf(stderr, "wcwidth %d mismatch %d for %s ASCII %x\n",
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wcwidth(c), w,
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isprint(c) ? "printable" : "non-printable", c);
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error = 1;
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}
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if (!my_isprint(c) && w > 0) {
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fprintf(stderr, "non-printing %x had width %d\n", c, w);
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error = 1;
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}
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}
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check(!error, "utf8proc_charwidth FAILED tests.");
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/* print some other information by compariing with system wcwidth */
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printf("Mismatches with system wcwidth (not necessarily errors):\n");
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for (c = 0; c <= 0x110000; ++c) {
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int w = utf8proc_charwidth(c);
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int wc = wcwidth(c);
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if (sizeof(wchar_t) == 2 && c >= (1<<16)) continue;
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/* lots of these errors for out-of-date system unicode tables */
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if (wc == -1 && my_isprint(c) && w > 0) {
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updates += 1;
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#if 0
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printf(" wcwidth(%x) = -1 for printable char\n", c);
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#endif
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}
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if (wc == -1 && !my_isprint(c) && w > 0)
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printf(" wcwidth(%x) = -1 for non-printable width-%d char\n", c, w);
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if (wc >= 0 && wc != w)
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printf(" wcwidth(%x) = %d != charwidth %d\n", c, wc, w);
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}
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printf(" ... (positive widths for %d chars unknown to wcwidth) ...\n",
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updates);
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printf("Character-width tests SUCCEEDED.\n");
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return 0;
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}
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