Add unittest for issue 6381.

To prevent regressions.
dlang · Aug 29, 2013 · 5a622e0 · 5a622e0
1 parent 40c6760
commit 5a622e0
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/std/math.d b/std/math.d
@@ -5816,3 +5816,10 @@ unittest
     real r = tan(-2.0L);
     assert(fabs(r - 2.18504f) < .00001);
 }
+
+pure @safe nothrow unittest
+{
+    // issue 6381: floor/ceil should be usable in pure function.
+    auto x = floor(1.2);
+    auto y = ceil(1.2);
+}