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Differential D3446 Diff 9753 src/test/random_tests.cpp

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src/test/random_tests.cpp

Show All 30 LinesBOOST_AUTO_TEST_CASE(fastrandom_tests) {
BOOST_CHECK_EQUAL(ctx1.randbits(7), ctx2.randbits(7)); BOOST_CHECK_EQUAL(ctx1.randbits(7), ctx2.randbits(7));
BOOST_CHECK(ctx1.randbytes(128) == ctx2.randbytes(128)); BOOST_CHECK(ctx1.randbytes(128) == ctx2.randbytes(128));
BOOST_CHECK_EQUAL(ctx1.rand32(), ctx2.rand32()); BOOST_CHECK_EQUAL(ctx1.rand32(), ctx2.rand32());
BOOST_CHECK_EQUAL(ctx1.randbits(3), ctx2.randbits(3)); BOOST_CHECK_EQUAL(ctx1.randbits(3), ctx2.randbits(3));
BOOST_CHECK(ctx1.rand256() == ctx2.rand256()); BOOST_CHECK(ctx1.rand256() == ctx2.rand256());
BOOST_CHECK(ctx1.randbytes(50) == ctx2.randbytes(50)); BOOST_CHECK(ctx1.randbytes(50) == ctx2.randbytes(50));
// Check that a nondeterministic ones are not // Check that a nondeterministic ones are not
FastRandomContext ctx3; {
FastRandomContext ctx4; FastRandomContext ctx3, ctx4;
// extremely unlikely to be equal // extremely unlikely to be equal
BOOST_CHECK(ctx3.rand64() != ctx4.rand64()); BOOST_CHECK(ctx3.rand64() != ctx4.rand64());
}
{
FastRandomContext ctx3, ctx4;
BOOST_CHECK(ctx3.rand256() != ctx4.rand256()); BOOST_CHECK(ctx3.rand256() != ctx4.rand256());
}
{
FastRandomContext ctx3, ctx4;
BOOST_CHECK(ctx3.randbytes(7) != ctx4.randbytes(7)); BOOST_CHECK(ctx3.randbytes(7) != ctx4.randbytes(7));
} }
}
BOOST_AUTO_TEST_CASE(fastrandom_randbits) { BOOST_AUTO_TEST_CASE(fastrandom_randbits) {
FastRandomContext ctx1; FastRandomContext ctx1;
FastRandomContext ctx2; FastRandomContext ctx2;
for (int bits = 0; bits < 63; ++bits) { for (int bits = 0; bits < 63; ++bits) {
for (int j = 0; j < 1000; ++j) { for (int j = 0; j < 1000; ++j) {
uint64_t rangebits = ctx1.randbits(bits); uint64_t rangebits = ctx1.randbits(bits);
BOOST_CHECK_EQUAL(rangebits >> bits, uint64_t(0)); BOOST_CHECK_EQUAL(rangebits >> bits, uint64_t(0));
Show All 25 Lines