[sonar] Initialize data members with class initializers, or initialization lists.

[simgrid.git] / src / xbt / random_test.cpp

diff --git a/src/xbt/random_test.cpp b/src/xbt/random_test.cpp
index c964cb8..83ee865 100644 (file)
--- a/src/xbt/random_test.cpp
+++ b/src/xbt/random_test.cpp
@@ -9,16 +9,17 @@
 #include <random>
 #include <cmath>
 
+#define EpsilonApprox(a) Catch::Matchers::WithinAbs((a), 100 * std::numeric_limits<double>::epsilon())
+
 TEST_CASE("xbt::random: Random Number Generation")
 {
   SECTION("Using XBT_RNG_xbt")
   {
     simgrid::xbt::random::set_mersenne_seed(12345);
-
-    REQUIRE(fabs(simgrid::xbt::random::exponential(25) - 0.00291934351538427348) <= 1e-14);
+    REQUIRE_THAT(simgrid::xbt::random::exponential(25), EpsilonApprox(0.00291934351538427348));
     REQUIRE(simgrid::xbt::random::uniform_int(1, 6) == 4);
-    REQUIRE(fabs(simgrid::xbt::random::uniform_real(0, 1) - 0.31637556043369124970) <= 1e-14);
-    REQUIRE(fabs(simgrid::xbt::random::normal(0, 2) - 1.62746784745133976635) <= 1e-14);
+    REQUIRE_THAT(simgrid::xbt::random::uniform_real(0, 1), EpsilonApprox(0.31637556043369124970));
+    REQUIRE_THAT(simgrid::xbt::random::normal(0, 2), EpsilonApprox(1.62746784745133976635));
   }
 
   SECTION("Using XBT_RNG_std")
@@ -34,9 +35,9 @@ TEST_CASE("xbt::random: Random Number Generation")
     std::uniform_real_distribution<> distC(0, 1);
     std::normal_distribution<> distD(0, 2);
 
-    REQUIRE(fabs(simgrid::xbt::random::exponential(25) - distA(gen)) <= 1e-14);
+    REQUIRE_THAT(simgrid::xbt::random::exponential(25), EpsilonApprox(distA(gen)));
     REQUIRE(simgrid::xbt::random::uniform_int(1, 6) == distB(gen));
-    REQUIRE(fabs(simgrid::xbt::random::uniform_real(0, 1) - distC(gen)) <= 1e-14);
-    REQUIRE(fabs(simgrid::xbt::random::normal(0, 2) - distD(gen)) <= 1e-14);
+    REQUIRE_THAT(simgrid::xbt::random::uniform_real(0, 1), EpsilonApprox(distC(gen)));
+    REQUIRE_THAT(simgrid::xbt::random::normal(0, 2), EpsilonApprox(distD(gen)));
   }
 }