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#include <tri.h>
int main()
{
/* technically speaking there are only 27 cases to test, and they could
* potentially all checked for manually, but this is good enough for now
*/
tri_t t = tri_parse_default("i01", 3);
tri_t r = tri_unop(NOP, t);
assert(tri_eq(r, t));
r = tri_unop(NNN, t);
assert(tri_eq(r, tri_from(TRI_MIN)));
r = tri_unop(OOO, t);
assert(tri_eq(r, tri_from(0)));
r = tri_unop(PPP, t);
assert(tri_eq(r, tri_from(TRI_MAX)));
r = tri_unop(PON, t);
assert(tri_eq(r, tri_parse_default("10i", 3)));
}
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