From b6578d25d6c01ae564576b8d2988c87a48d25937 Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Tue, 7 Jun 2011 17:01:56 -0400
Subject: [PATCH] Add the prop_interior_values_all_identical test.

---
 src/Tests/Cube.hs | 34 ++++++++++++++++++++++++++++++++++
 test/TestSuite.hs |  3 +++
 2 files changed, 37 insertions(+)

diff --git a/src/Tests/Cube.hs b/src/Tests/Cube.hs
index aaafa7c..dac4f80 100644
--- a/src/Tests/Cube.hs
+++ b/src/Tests/Cube.hs
@@ -8,6 +8,7 @@ import Cardinal
 import Comparisons
 import Cube
 import FunctionValues
+import Misc (all_equal)
 import Tests.FunctionValues ()
 import Tetrahedron (b0, b1, b2, b3, c, fv,
                     v0, v1, v2, v3, volume)
@@ -540,6 +541,39 @@ prop_c1011_identity cube =
 
 
 
+-- | The function values at the interior should be the same for all tetrahedra.
+prop_interior_values_all_identical :: Cube -> Bool
+prop_interior_values_all_identical cube =
+    all_equal [i0, i1, i2, i3, i4, i5, i6, i7, i8,
+               i9, i10, i11, i12, i13, i14, i15, i16,
+               i17, i18, i19, i20, i21, i22, i23]
+    where
+      i0 = eval (Tetrahedron.fv (tetrahedron0 cube)) $ I
+      i1 = eval (Tetrahedron.fv (tetrahedron1 cube)) $ I
+      i2 = eval (Tetrahedron.fv (tetrahedron2 cube)) $ I
+      i3 = eval (Tetrahedron.fv (tetrahedron3 cube)) $ I
+      i4 = eval (Tetrahedron.fv (tetrahedron4 cube)) $ I
+      i5 = eval (Tetrahedron.fv (tetrahedron5 cube)) $ I
+      i6 = eval (Tetrahedron.fv (tetrahedron6 cube)) $ I
+      i7 = eval (Tetrahedron.fv (tetrahedron7 cube)) $ I
+      i8 = eval (Tetrahedron.fv (tetrahedron8 cube)) $ I
+      i9 = eval (Tetrahedron.fv (tetrahedron9 cube)) $ I
+      i10 = eval (Tetrahedron.fv (tetrahedron10 cube)) $ I
+      i11 = eval (Tetrahedron.fv (tetrahedron11 cube)) $ I
+      i12 = eval (Tetrahedron.fv (tetrahedron12 cube)) $ I
+      i13 = eval (Tetrahedron.fv (tetrahedron13 cube)) $ I
+      i14 = eval (Tetrahedron.fv (tetrahedron14 cube)) $ I
+      i15 = eval (Tetrahedron.fv (tetrahedron15 cube)) $ I
+      i16 = eval (Tetrahedron.fv (tetrahedron16 cube)) $ I
+      i17 = eval (Tetrahedron.fv (tetrahedron17 cube)) $ I
+      i18 = eval (Tetrahedron.fv (tetrahedron18 cube)) $ I
+      i19 = eval (Tetrahedron.fv (tetrahedron19 cube)) $ I
+      i20 = eval (Tetrahedron.fv (tetrahedron20 cube)) $ I
+      i21 = eval (Tetrahedron.fv (tetrahedron21 cube)) $ I
+      i22 = eval (Tetrahedron.fv (tetrahedron22 cube)) $ I
+      i23 = eval (Tetrahedron.fv (tetrahedron23 cube)) $ I
+
+
 -- | We know what (c t6 2 1 0 0) should be from Sorokina and Zeilfelder, p. 87.
 --   This test checks the rotation works as expected.
 prop_c_tilde_2100_rotation_correct :: Cube -> Bool
diff --git a/test/TestSuite.hs b/test/TestSuite.hs
index ee6f0d4..309a13c 100644
--- a/test/TestSuite.hs
+++ b/test/TestSuite.hs
@@ -238,6 +238,9 @@ main = do
   -- putStr "prop_c0300_identity3... "
   -- quickCheckWith qc_args TF.prop_c0300_identity3
 
+  putStrLn "prop_interior_values_all_identical... "
+  quickCheckWith qc_args prop_interior_values_all_identical
+
   putStrLn "prop_c_tilde_2100_rotation_correct... "
   quickCheckWith qc_args prop_c_tilde_2100_rotation_correct
 
-- 
2.43.2