tests/test_I_logtest.cc

   1 #include "test_I.h"
   2
   3 int test_I_logtest (int iterations)
   4 {
   5         int error = 0;
   6         int i;
   7         // Check commutativity.
   8         for (i = iterations; i > 0; i--) {
   9                 cl_I a = testrandom_I();
  10                 cl_I b = testrandom_I();
  11                 ASSERT2(logtest(a,b) == logtest(b,a), a,b);
  12         }
  13         // Check some axioms.
  14         for (i = iterations; i > 0; i--) {
  15                 cl_I a = testrandom_I();
  16                 cl_I b = testrandom_I();
  17                 ASSERT2(!logtest(a,logand(b,lognot(a))), a,b);
  18                 ASSERT2(!logtest(logand(b,lognot(a)),a), a,b);
  19                 ASSERT2(!logtest(b,logand(a,lognot(b))), a,b);
  20                 ASSERT2(!logtest(logand(a,lognot(b)),b), a,b);
  21                 if (a != 0)
  22                         ASSERT2(logtest(a,logior(a,b)), a,b);
  23                 if (b != 0)
  24                         ASSERT2(logtest(b,logior(a,b)), a,b);
  25         }
  26         // Check some special cases, against ash and logbitp.
  27         for (i = iterations; i > 0; i--) {
  28                 uintL a = random32() % 1024;
  29                 cl_I b = testrandom_I();
  30                 ASSERT2(logbitp(a,b) == logtest(b,ash(1,(sintL)a)), a,b);
  31         }
  32         return error;
  33 }