From 6b078f2cebec8803ae167105a0bef28c1009beb4 Mon Sep 17 00:00:00 2001
From: Brian Deane <bdeanemachine@gmail.com>
Date: Mon, 6 Jun 2016 00:10:50 -0700
Subject: [PATCH] added test case for isosceles triangle

    The existing tests missed a case where
    the two smaller sides were equal. A lot
    of solutions involved sorting the input,
    so this matters.
---
 exercises/triangle/triangle_test.hs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/exercises/triangle/triangle_test.hs b/exercises/triangle/triangle_test.hs
index 8c52e2565..68d39970b 100644
--- a/exercises/triangle/triangle_test.hs
+++ b/exercises/triangle/triangle_test.hs
@@ -23,6 +23,7 @@ triangleTests = map TestCase
   , Equilateral @=? tri 10 10 10
   , Isosceles @=? tri 3 4 4
   , Isosceles @=? tri 4 3 4
+  , Isosceles @=? tri 9 12 9
   , Scalene @=? tri 3 4 5
   , Illogical @=? tri 1 1 50
   , Illogical @=? tri 1 2 1