1 files changed, 40 insertions, 0 deletions
diff --git a/tests/test_rand.cpp b/tests/test_rand.cpp
new file mode 100644
index 0000000..eac94ec
--- /dev/null
+++ b/tests/test_rand.cpp
@@ -0,0 +1,40 @@
+#include <algorithm>
+#include <frozen/random.h>
+#include <iostream>
+#include <random>
+
+#include "bench.hpp"
+#include "catch.hpp"
+
+TEST_CASE("linear_congruential_engine", "[random]") {
+
+  frozen::linear_congruential_engine<std::uint32_t, 48271u, 0, 0x7fffffff> dist0;
+  std::linear_congruential_engine<std::uint32_t, 48271u, 0, 0x7fffffff> rdist0;
+  REQUIRE(dist0.min() == rdist0.min());
+  REQUIRE(dist0.max() == rdist0.max());
+  REQUIRE(dist0() == rdist0());
+  REQUIRE(dist0() == rdist0());
+  REQUIRE(dist0() == rdist0());
+
+  auto next0 = dist0();
+  (void) next0;
+  dist0.discard(3);
+  rdist0.discard(4);
+  REQUIRE(dist0() == rdist0());
+
+  frozen::linear_congruential_engine<std::uint32_t, 48271u, 0, 0x7fffffff> odist0;
+  std::linear_congruential_engine<std::uint32_t, 48271u, 0, 0x7fffffff> ordist0;
+  REQUIRE(rdist0() != ordist0());
+  REQUIRE(dist0() != odist0());
+  REQUIRE(!(dist0() == odist0()));
+
+
+  frozen::minstd_rand dist1;
+  (void)dist1;
+  frozen::minstd_rand dist2;
+  (void)dist2;
+  frozen::linear_congruential_engine<std::size_t, 3, 3, 0> dist3;
+  (void)dist3;
+
+}
+