--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/+grid/CurvilinearTest.m	Thu Feb 25 11:10:25 2016 +0100
@@ -0,0 +1,71 @@
+function tests = CurvilinearTest()
+    tests = functiontests(localfunctions);
+end
+
+function testMappingInputGridFunction(testCase)
+    in = {
+        {{1:10}, @(x) exp(x)},
+        {{1:10,1:6}, @(x,y) [exp(x+y); exp(x-y)]},
+        {{1:10,1:5,1:7}, @(x,y,z)[exp(x+y+z); exp(x-y-z); 2+x+y-z]},
+    };
+
+    out = {
+        [10, 1];
+        [10*6, 2];
+        [10*5*7, 3];
+    };
+
+
+    % How to test this? Just make sure it runs without errors.
+
+    for i = 1:length(in)
+        g = grid.Curvilinear(in{i}{2},in{i}{1}{:});
+        testCase.verifyEqual(size(g.coords),out{i});
+    end
+end
+
+function testMappingInputComponentMatrix(testCase)
+    in = {
+        {{1:3}, [1 2 3]'},
+        {{1:2, 1:3}, [1 2 3 4 5 6; 7 8 9 10 11 12]'},
+    };
+
+    for i = 1:length(in)
+        g = grid.Curvilinear(in{i}{2},in{i}{1}{:});
+        testCase.verifyEqual(g.coords,in{i}{2});
+    end
+end
+
+function testMappingInputCellOfMatrix(testCase)
+
+    in = {
+        {{1:3}, {[1 2 3]'}},
+        {{1:2, 1:3}, {[1 2 3; 4 5 6], [7 8 9; 10 11 12]}},
+    };
+
+    out = {
+        [1 2 3]',
+        [1 2 3 4 5 6; 7 8 9 10 11 12]',
+    };
+
+    for i = 1:length(in)
+        g = grid.Curvilinear(in{i}{2},in{i}{1}{:});
+        testCase.verifyEqual(g.coords,out{i});
+    end
+end
+
+function testMappingInputCellOfVectors(testCase)
+    in = {
+        {{1:3}, {[1 2 3]'}},
+        {{1:2, 1:3}, {[1 2 3 4 5 6]', [7 8 9 10 11 12]'}},
+    };
+
+    out = {
+        [1 2 3]',
+        [1 2 3 4 5 6; 7 8 9 10 11 12]',
+    };
+end
+
+function testMappingInputError(testCase)
+    testCase.assumeFail();
+end