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test.c
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test.c
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#include <stdio.h>
#include <wchar.h>
#include "wcwidth9.h"
#include "widechar_width_c.h"
// Return whether 'his' (wcwidth9) width is compatible with 'mine'
// (widechar_width) size.
static bool compatible(int his, int mine) {
switch (mine) {
case widechar_nonprint:
return his == -1;
case widechar_combining:
return his == -1;
case widechar_ambiguous:
return his == -2;
case widechar_private_use:
return his == -3;
case widechar_unassigned:
case widechar_non_character:
return his == -1;
case widechar_widened_in_9:
return his == 1 || his == 2 || his == -2;
default:
return his == mine;
}
}
// Characters that we expect to differ from wcwidth9.
static bool exceptional(int c) {
// Characters new in Unicode 10 or 11
if (widechar_wcwidth(c) != widechar_unassigned &&
wcwidth9_intable(wcwidth9_not_assigned, WCWIDTH9_ARRAY_SIZE(wcwidth9_not_assigned), c)) {
return true;
}
if ((c >= 0x1160 && c <= 0x11FF) || (c >= 0xD7B0 && c <= 0xD7FF)) {
return true;
}
switch (c) {
// Format (Cf) characters which wcwidth9 reports as width 1 but should be
// -1
case 0x600:
case 0x601:
case 0x0602:
case 0x0603:
case 0x0604:
case 0x0605:
case 0x061C:
case 0x06DD:
case 0x08E2:
// wcwidth thinks these two are combining, but they are not.
case 0x1CF2:
case 0x1CF3:
case 0x2060:
case 0x2061:
case 0x2062:
case 0x2063:
case 0x2064:
case 0x2066:
case 0x2067:
case 0x2068:
case 0x2069:
// bitcoin! new in Unicode 10 and 11
case 0x20BF:
case 0x110BD:
case 0x1BCA0:
case 0x1BCA1:
case 0x1BCA2:
case 0x1BCA3:
case 0x1D173:
case 0x1D174:
case 0x1D175:
case 0x1D176:
case 0x1D177:
case 0x1D178:
case 0x1D179:
case 0x1D17A:
// regional indicator symbols.
// EastAsianWidth says these are narrow even though they appear in
// emoji-data.txt. It's a mess.
case 0x1F1E6:
case 0x1F1E7:
case 0x1F1E8:
case 0x1F1E9:
case 0x1F1EA:
case 0x1F1EB:
case 0x1F1EC:
case 0x1F1ED:
case 0x1F1EE:
case 0x1F1EF:
case 0x1F1F0:
case 0x1F1F1:
case 0x1F1F2:
case 0x1F1F3:
case 0x1F1F4:
case 0x1F1F5:
case 0x1F1F6:
case 0x1F1F7:
case 0x1F1F8:
case 0x1F1F9:
case 0x1F1FA:
case 0x1F1FB:
case 0x1F1FC:
case 0x1F1FD:
case 0x1F1FE:
case 0x1F1FF:
// Some more emoji explicitly marked as narrow in EAW.
case 0x1F321:
case 0x1F324:
case 0x1F325:
case 0x1F326:
case 0x1F327:
case 0x1F328:
case 0x1F329:
case 0x1F32A:
case 0x1F32B:
case 0x1F32C:
case 0x1F336:
case 0x1F37D:
case 0x1F396:
case 0x1F397:
case 0x1F399:
case 0x1F39A:
case 0x1F39B:
case 0x1F39E:
case 0x1F39F:
case 0x1F3CB:
case 0x1F3CC:
case 0x1F3CD:
case 0x1F3CE:
case 0x1F3D4:
case 0x1F3D5:
case 0x1F3D6:
case 0x1F3D7:
case 0x1F3D8:
case 0x1F3D9:
case 0x1F3DA:
case 0x1F3DB:
case 0x1F3DC:
case 0x1F3DD:
case 0x1F3DE:
case 0x1F3DF:
case 0x1F3F3:
case 0x1F3F5:
case 0x1F3F7:
case 0x1F43F:
case 0x1F441:
case 0x1F4FD:
case 0x1F549:
case 0x1F54A:
case 0x1F56F:
case 0x1F570:
case 0x1F573:
case 0x1F574:
case 0x1F575:
case 0x1F576:
case 0x1F577:
case 0x1F578:
case 0x1F579:
case 0x1F587:
case 0x1F58A:
case 0x1F58B:
case 0x1F58C:
case 0x1F58D:
case 0x1F590:
case 0x1F5A5:
case 0x1F5A8:
case 0x1F5B1:
case 0x1F5B2:
case 0x1F5BC:
case 0x1F5C2:
case 0x1F5C3:
case 0x1F5C4:
case 0x1F5D1:
case 0x1F5D2:
case 0x1F5D3:
case 0x1F5DC:
case 0x1F5DD:
case 0x1F5DE:
case 0x1F5E1:
case 0x1F5E3:
case 0x1F5E8:
case 0x1F5EF:
case 0x1F5F3:
case 0x1F5FA:
case 0x1F6CB:
case 0x1F6CD:
case 0x1F6CE:
case 0x1F6CF:
case 0x1F6E0:
case 0x1F6E1:
case 0x1F6E2:
case 0x1F6E3:
case 0x1F6E4:
case 0x1F6E5:
case 0x1F6E9:
case 0x1F6F0:
case 0x1F6F3:
case 0x1F93B:
case 0x1F946:
case 0xE0001:
case 0xE0020:
case 0xE0021:
case 0xE0022:
case 0xE0023:
case 0xE0024:
case 0xE0025:
case 0xE0026:
case 0xE0027:
case 0xE0028:
case 0xE0029:
case 0xE002A:
case 0xE002B:
case 0xE002C:
case 0xE002D:
case 0xE002E:
case 0xE002F:
case 0xE0030:
case 0xE0031:
case 0xE0032:
case 0xE0033:
case 0xE0034:
case 0xE0035:
case 0xE0036:
case 0xE0037:
case 0xE0038:
case 0xE0039:
case 0xE003A:
case 0xE003B:
case 0xE003C:
case 0xE003D:
case 0xE003E:
case 0xE003F:
case 0xE0040:
case 0xE0041:
case 0xE0042:
case 0xE0043:
case 0xE0044:
case 0xE0045:
case 0xE0046:
case 0xE0047:
case 0xE0048:
case 0xE0049:
case 0xE004A:
case 0xE004B:
case 0xE004C:
case 0xE004D:
case 0xE004E:
case 0xE004F:
case 0xE0050:
case 0xE0051:
case 0xE0052:
case 0xE0053:
case 0xE0054:
case 0xE0055:
case 0xE0056:
case 0xE0057:
case 0xE0058:
case 0xE0059:
case 0xE005A:
case 0xE005B:
case 0xE005C:
case 0xE005D:
case 0xE005E:
case 0xE005F:
case 0xE0060:
case 0xE0061:
case 0xE0062:
case 0xE0063:
case 0xE0064:
case 0xE0065:
case 0xE0066:
case 0xE0067:
case 0xE0068:
case 0xE0069:
case 0xE006A:
case 0xE006B:
case 0xE006C:
case 0xE006D:
case 0xE006E:
case 0xE006F:
case 0xE0070:
case 0xE0071:
case 0xE0072:
case 0xE0073:
case 0xE0074:
case 0xE0075:
case 0xE0076:
case 0xE0077:
case 0xE0078:
case 0xE0079:
case 0xE007A:
case 0xE007B:
case 0xE007C:
case 0xE007D:
case 0xE007E:
case 0xE007F:
// This appears to have changed category from Po to Mn
case 0x111C9:
// Some unassigneds.
case 0x10FFFE:
case 0x10FFFF:
return true;
}
return false;
}
int run_tests(void) {
int ret = 0;
int max_cp = 0x10FFFF;
for (int c = 0; c <= max_cp; c++) {
int w1 = wcwidth9(c);
int w2 = widechar_wcwidth(c);
if (compatible(w1, w2) || exceptional(c)) continue;
printf("%04X: his %d, mine %d, system: %d\n", c, w1, w2, wcwidth(c));
ret = EXIT_FAILURE;
}
return ret;
}
int main(void) {
int ret = 0;
ret |= run_tests();
printf("Tests %s\n", ret == EXIT_SUCCESS ? "passed" : "failed");
return ret;
}