test/unit/prng.c

7 	unsigned lg_range;
29 	for (lg_range = 31; lg_range > 0; lg_range--) {
31 		rb = prng_lg_range_u32(&sb, lg_range, atomic);
32 		assert_u32_eq((rb & (UINT32_C(0xffffffff) << lg_range)),
33 		    0, "High order bits should be 0, lg_range=%u", lg_range);
34 		assert_u32_eq(rb, (ra >> (32 - lg_range)),
36 		    "lg_range=%u", lg_range);
44 	unsigned lg_range;
66 	for (lg_range = 63; lg_range > 0; lg_range--) {
68 		rb = prng_lg_range_u64(&sb, lg_range);
69 		assert_u64_eq((rb & (UINT64_C(0xffffffffffffffff) << lg_range)),
70 		    0, "High order bits should be 0, lg_range=%u", lg_range);
71 		assert_u64_eq(rb, (ra >> (64 - lg_range)),
73 		    "lg_range=%u", lg_range);
81 	unsigned lg_range;
103 	for (lg_range = (ZU(1) << (3 + LG_SIZEOF_PTR)) - 1; lg_range > 0;
104 	    lg_range--) {
106 		rb = prng_lg_range_zu(&sb, lg_range, atomic);
107 		assert_zu_eq((rb & (SIZE_T_MAX << lg_range)),
108 		    0, "High order bits should be 0, lg_range=%u", lg_range);
110 		    lg_range)), "Expected high order bits of full-width "
111 		    "result, lg_range=%u", lg_range);