+static int test_select(unsigned int a, unsigned int b)
+ {
+ unsigned int selected = constant_time_select(CONSTTIME_TRUE, a, b);
+ if (selected != a)
+ {
+ fprintf(stderr, "Test failed for constant_time_select(%du, %du,"
+ "%du): expected %du(first value), got %du\n",
+ CONSTTIME_TRUE, a, b, a, selected);
+ return 1;
+ }
+ selected = constant_time_select(CONSTTIME_FALSE, a, b);
+ if (selected != b)
+ {
+ fprintf(stderr, "Test failed for constant_time_select(%du, %du,"
+ "%du): expected %du(second value), got %du\n",
+ CONSTTIME_FALSE, a, b, b, selected);
+ return 1;
+ }
+ return 0;
+ }
+
+static int test_select_8(unsigned char a, unsigned char b)
+ {
+ unsigned char selected = constant_time_select_8(CONSTTIME_TRUE_8, a, b);
+ if (selected != a)
+ {
+ fprintf(stderr, "Test failed for constant_time_select(%u, %u,"
+ "%u): expected %u(first value), got %u\n",
+ CONSTTIME_TRUE, a, b, a, selected);
+ return 1;
+ }
+ selected = constant_time_select_8(CONSTTIME_FALSE_8, a, b);
+ if (selected != b)
+ {
+ fprintf(stderr, "Test failed for constant_time_select(%u, %u,"
+ "%u): expected %u(second value), got %u\n",
+ CONSTTIME_FALSE, a, b, b, selected);
+ return 1;
+ }
+ return 0;
+ }
+
+static int test_select_int(int a, int b)
+ {
+ int selected = constant_time_select_int(CONSTTIME_TRUE, a, b);
+ if (selected != a)
+ {
+ fprintf(stderr, "Test failed for constant_time_select(%du, %d,"
+ "%d): expected %d(first value), got %d\n",
+ CONSTTIME_TRUE, a, b, a, selected);
+ return 1;
+ }
+ selected = constant_time_select_int(CONSTTIME_FALSE, a, b);
+ if (selected != b)
+ {
+ fprintf(stderr, "Test failed for constant_time_select(%du, %d,"
+ "%d): expected %d(second value), got %d\n",
+ CONSTTIME_FALSE, a, b, b, selected);
+ return 1;
+ }
+ return 0;
+ }
+
+