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Differential D9118 Diff 27444 src/test/random_tests.cpp

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src/test/random_tests.cpp

Show All 22 LinesBOOST_AUTO_TEST_CASE(fastrandom_tests) {
FastRandomContext ctx1(true); FastRandomContext ctx1(true);
FastRandomContext ctx2(true); FastRandomContext ctx2(true);
for (int i = 10; i > 0; --i) { for (int i = 10; i > 0; --i) {
BOOST_CHECK_EQUAL(GetRand(std::numeric_limits<uint64_t>::max()), BOOST_CHECK_EQUAL(GetRand(std::numeric_limits<uint64_t>::max()),
uint64_t{10393729187455219830U}); uint64_t{10393729187455219830U});
BOOST_CHECK_EQUAL(GetRandInt(std::numeric_limits<int>::max()), BOOST_CHECK_EQUAL(GetRandInt(std::numeric_limits<int>::max()),
int{769702006}); int{769702006});
BOOST_CHECK_EQUAL(GetRandMicros(std::chrono::hours{1}).count(),
2917185654);
BOOST_CHECK_EQUAL(GetRandMillis(std::chrono::hours{1}).count(),
2144374);
} }
BOOST_CHECK_EQUAL(ctx1.rand32(), ctx2.rand32()); BOOST_CHECK_EQUAL(ctx1.rand32(), ctx2.rand32());
BOOST_CHECK_EQUAL(ctx1.rand32(), ctx2.rand32()); BOOST_CHECK_EQUAL(ctx1.rand32(), ctx2.rand32());
BOOST_CHECK_EQUAL(ctx1.rand64(), ctx2.rand64()); BOOST_CHECK_EQUAL(ctx1.rand64(), ctx2.rand64());
BOOST_CHECK_EQUAL(ctx1.randbits(3), ctx2.randbits(3)); BOOST_CHECK_EQUAL(ctx1.randbits(3), ctx2.randbits(3));
BOOST_CHECK(ctx1.randbytes(17) == ctx2.randbytes(17)); BOOST_CHECK(ctx1.randbytes(17) == ctx2.randbytes(17));
BOOST_CHECK(ctx1.rand256() == ctx2.rand256()); BOOST_CHECK(ctx1.rand256() == ctx2.rand256());
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
g_mock_deterministic_tests = false; g_mock_deterministic_tests = false;
for (int i = 10; i > 0; --i) { for (int i = 10; i > 0; --i) {
BOOST_CHECK(GetRand(std::numeric_limits<uint64_t>::max()) != BOOST_CHECK(GetRand(std::numeric_limits<uint64_t>::max()) !=
uint64_t{10393729187455219830U}); uint64_t{10393729187455219830U});
BOOST_CHECK(GetRandInt(std::numeric_limits<int>::max()) != BOOST_CHECK(GetRandInt(std::numeric_limits<int>::max()) !=
int{769702006}); int{769702006});
BOOST_CHECK(GetRandMicros(std::chrono::hours{1}) !=
std::chrono::microseconds{2917185654});
BOOST_CHECK(GetRandMillis(std::chrono::hours{1}) !=
std::chrono::milliseconds{2144374});
} }
{ {
FastRandomContext ctx3, 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; FastRandomContext ctx3, ctx4;
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