X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2FTests%2FTetrahedron.hs;h=3d47862bf638e69aeb8296b3ef1c946b8a44218d;hb=dee2b5197cb2eea8ec6e234a44d2ad5b3587302e;hp=9c28e590fe33182c83aaedfb8a66441e9c6a7aed;hpb=5d65220bb18088a0944458ebbb1efedea785c851;p=spline3.git

diff --git a/src/Tests/Tetrahedron.hs b/src/Tests/Tetrahedron.hs
index 9c28e59..3d47862 100644
--- a/src/Tests/Tetrahedron.hs
+++ b/src/Tests/Tetrahedron.hs
@@ -16,23 +16,38 @@ import ThreeDimensional
 -- HUnit Tests
 
 
--- | Check the volume of a particular tetrahedron against the value
---   computed by hand. Its vertices are in clockwise order, so the
---   volume should be negative.
-test_volume1 :: Assertion
-test_volume1 =
-    assertEqual "volume is correct" True (vol ~= (-1/3))
-    where
-      p0 = (0, -0.5, 0)
-      p1 = (0, 0.5, 0)
-      p2 = (2, 0, 0)
-      p3 = (1, 0, 1)
-      t = Tetrahedron { v0 = p0,
-                        v1 = p1,
-                        v2 = p2,
-                        v3 = p3,
-                        fv = empty_values }
-      vol = volume t
+-- | Check the volume of a particular tetrahedron (computed by hand)
+--   and whether or not it contains a specific point chosen to be
+--   outside of it. Its vertices are in clockwise order, so the volume
+--   should be negative.
+tetrahedron1_geometry_tests :: Test.Framework.Test
+tetrahedron1_geometry_tests =
+  testGroup "tetrahedron1 geometry"
+              [ testCase "volume1" volume1,
+                testCase "doesn't contain point1" doesnt_contain_point1]
+  where
+    p0 = (0, -0.5, 0)
+    p1 = (0, 0.5, 0)
+    p2 = (2, 0, 0)
+    p3 = (1, 0, 1)
+    t = Tetrahedron { v0 = p0,
+                      v1 = p1,
+                      v2 = p2,
+                      v3 = p3,
+                      fv = empty_values }
+
+    volume1 :: Assertion
+    volume1 =
+      assertEqual "volume is correct" True (vol ~= (-1/3))
+      where
+        vol = volume t
+
+    doesnt_contain_point1 :: Assertion
+    doesnt_contain_point1 =
+      assertEqual "doesn't contain an exterior point" False contained
+      where
+        exterior_point = (5, 2, -9.0212)
+        contained = contains_point t exterior_point
 
 
 -- | Check the volume of a particular tetrahedron (computed by hand)
@@ -67,25 +82,6 @@ tetrahedron2_geometry_tests =
           contained = contains_point t inner_point
 
 
--- | Ensure that a tetrahedron does not contain a particular point chosen to
---   be outside of it (first test).
-test_doesnt_contain_point1 :: Assertion
-test_doesnt_contain_point1 =
-    assertEqual "doesn't contain an exterior point" False contained
-    where
-      p0 = (0, -0.5, 0)
-      p1 = (0, 0.5, 0)
-      p2 = (2, 0, 0)
-      p3 = (1, 0, 1)
-      exterior_point = (5, 2, -9.0212)
-      t = Tetrahedron { v0 = p0,
-                        v1 = p1,
-                        v2 = p2,
-                        v3 = p3,
-                        fv = empty_values }
-      contained = contains_point t exterior_point
-
-
 -- | Ensure that a tetrahedron does not contain a particular point chosen to
 --   be outside of it (second test).
 test_doesnt_contain_point2 :: Assertion