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Merge branch 'Adrien.Gougeon/simgrid-master'
[simgrid.git]
/
src
/
xbt
/
random_test.cpp
diff --git
a/src/xbt/random_test.cpp
b/src/xbt/random_test.cpp
index b7c10e8a2c3c57f0a6ad62faee3409f46d16ab13..e6179be5fe0bc417e0d4612c33f5b224da119ee3 100644
(file)
--- a/
src/xbt/random_test.cpp
+++ b/
src/xbt/random_test.cpp
@@
-15,6
+15,7
@@
TEST_CASE("xbt::random: Random Number Generation")
{
SECTION("Using XBT_RNG_xbt")
{
+ simgrid::xbt::random::set_implem_xbt();
simgrid::xbt::random::set_mersenne_seed(12345);
REQUIRE_THAT(simgrid::xbt::random::exponential(25), EpsilonApprox(0.00291934351538427348));
REQUIRE(simgrid::xbt::random::uniform_int(1, 6) == 4);
@@
-27,8
+28,8
@@
TEST_CASE("xbt::random: Random Number Generation")
std::mt19937 gen;
gen.seed(12345);
- simgrid::xbt::random::set_mersenne_seed(12345);
simgrid::xbt::random::set_implem_std();
+ simgrid::xbt::random::set_mersenne_seed(12345);
std::exponential_distribution<> distA(25);
std::uniform_int_distribution<> distB(1, 6);
@@
-40,4
+41,23
@@
TEST_CASE("xbt::random: Random Number Generation")
REQUIRE_THAT(simgrid::xbt::random::uniform_real(0, 1), EpsilonApprox(distC(gen)));
REQUIRE_THAT(simgrid::xbt::random::normal(0, 2), EpsilonApprox(distD(gen)));
}
+
+ SECTION("XBT_RNG_std write to a file")
+ {
+ simgrid::xbt::random::set_implem_std();
+ simgrid::xbt::random::set_mersenne_seed(12345);
+
+ simgrid::xbt::random::exponential(25);
+ bool writtenA = simgrid::xbt::random::write_mersenne_state("rdm_state_tmp.txt");
+ double resB = simgrid::xbt::random::uniform_real(10, 20);
+ double resC = simgrid::xbt::random::normal(0, 2);
+ bool writtenB = simgrid::xbt::random::read_mersenne_state("rdm_state_tmp.txt");
+ REQUIRE(writtenA);
+ REQUIRE(writtenB);
+ REQUIRE_THAT(simgrid::xbt::random::uniform_real(10, 20), EpsilonApprox(resB));
+ REQUIRE_THAT(simgrid::xbt::random::normal(0, 2), EpsilonApprox(resC));
+ if (writtenB) {
+ std::remove("rdm_state_tmp.txt");
+ }
+ }
}