From c7cc0dbf4cb7c58da7c0f371670caa7b649451b0 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Wed, 28 Nov 2018 15:24:28 +1100
Subject: [PATCH] random: add a trivial test of the default generator

This allows us to ensure some level of coverage using tools like ASan.
---
 CMakeLists.txt  |  1 +
 test/random.cpp | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 35 insertions(+)
 create mode 100644 test/random.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a6600f9e..cdfa1058 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -568,6 +568,7 @@ if (TESTS)
         preprocessor
         quaternion
         rand/buckets
+        random
         range
         rational
         region
diff --git a/test/random.cpp b/test/random.cpp
new file mode 100644
index 00000000..a8c17195
--- /dev/null
+++ b/test/random.cpp
@@ -0,0 +1,34 @@
+#include "tap.hpp"
+
+#include "random.hpp"
+
+#include <iostream>
+
+
+///////////////////////////////////////////////////////////////////////////////
+int
+main ()
+{
+    cruft::TAP::logger tap;
+
+    {
+        constexpr int ITERATIONS = 2048;
+        constexpr int HI = 13;
+        constexpr int LO = 3;
+
+        bool success = true;
+
+        for (int i = 0; i < ITERATIONS; ++i) {
+            auto const val = cruft::random::uniform<int> (LO, HI);
+            if (val < LO || val > HI) {
+                std::cerr << val << '\n';
+                success = false;
+                break;
+            }
+        }
+
+        tap.expect (success, "default uniform random int is within correct range");
+    }
+
+    return tap.status ();
+}
\ No newline at end of file