From 0a97e88d294a5d816aabb986a20f3c63c5d4a349 Mon Sep 17 00:00:00 2001 From: Yann Duplouy Date: Wed, 15 Apr 2020 12:15:50 +0200 Subject: [PATCH 1/1] Unit test to check if the RNG state is written and read correctly --- src/xbt/random_test.cpp | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/src/xbt/random_test.cpp b/src/xbt/random_test.cpp index a35d5804ca..a18ec233b2 100644 --- a/src/xbt/random_test.cpp +++ b/src/xbt/random_test.cpp @@ -40,4 +40,18 @@ 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); + 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); + simgrid::xbt::random::read_mersenne_state("rdm_state_tmp.txt"); + REQUIRE_THAT(simgrid::xbt::random::uniform_real(10, 20), EpsilonApprox(resB)); + REQUIRE_THAT(simgrid::xbt::random::normal(0, 2), EpsilonApprox(resC)); + } } -- 2.20.1