Ported more arithmetic tests.

tests/OpenTK.Tests/Vector2Tests.fs

@@ -65,14 +65,14 @@ module Vector2 =
         [<Property>]
         let ``Perpendicular vector to the right is correct`` (a, b) = 
             let v = Vector2(a, b)
-            let perp = Vector2(a, -b)
+            let perp = Vector2(b, -a)
             
             Assert.Equal(perp, v.PerpendicularRight)
             
         [<Property>]
         let ``Perpendicular vector to the left is correct`` (a, b) = 
             let v = Vector2(a, b)
-            let perp = Vector2(-a, b)
+            let perp = Vector2(-b, a)
             
             Assert.Equal(perp, v.PerpendicularLeft)
             
@@ -136,6 +136,22 @@ module Vector2 =
             let r1 = (a + b) + c
             let r2 = a + (b + c)
             Assert.ApproximatelyEqual(r1,r2)
+            
+        [<Property>]
+        let ``Static Vector2 addition method is the same as component addition`` (a : Vector2, b : Vector2) = 
+        
+            let v1 = Vector2(a.X + b.X, a.Y + b.Y)
+            let sum = Vector2.Add(a, b)
+            
+            Assert.ApproximatelyEqual(v1, sum)
+            
+        [<Property>]
+        let ``Static Vector2 addition method by reference is the same as component addition`` (a : Vector2, b : Vector2) = 
+        
+            let v1 = Vector2(a.X + b.X, a.Y + b.Y)
+            let sum = Vector2.Add(ref a, ref b)
+            
+            Assert.ApproximatelyEqual(v1, sum)
     
     [<Properties(Arbitrary = [| typeof<OpenTKGen> |])>]
     module Multiplication = 
@@ -153,15 +169,40 @@ module Vector2 =
             Assert.Equal(r1,r2)
         
         [<Property>]
-        let ``Vector2-float multiplication is the same as component-float multiplication`` (a : Vector2, f : float32) = 
+        let ``Left-handed Vector2-scalar multiplication is the same as component-scalar multiplication`` (a : Vector2, f : float32) = 
             let r = a * f
+            
             Assert.Equal(a.X * f,r.X)
             Assert.Equal(a.Y * f,r.Y)
             
-            // Inverse direction
+        [<Property>]
+        let ``Right-handed Vector2-scalar multiplication is the same as component-scalar multiplication`` (a : Vector2, f : float32) = 
             let r = f * a
             Assert.Equal(a.X * f,r.X)
             Assert.Equal(a.Y * f,r.Y)
+            
+        [<Property>]
+        let ``Static Vector2 multiplication method is the same as component multiplication`` (a : Vector2, b : Vector2) = 
+        
+            let v1 = Vector2(a.X * b.X, a.Y * b.Y)
+            let sum = Vector2.Multiply(a, b)
+            
+            Assert.ApproximatelyEqual(v1, sum)
+            
+        [<Property>]
+        let ``Static Vector2 multiplication method by reference is the same as component multiplication`` (a : Vector2, b : Vector2) = 
+        
+            let v1 = Vector2(a.X * b.X, a.Y * b.Y)
+            let sum = Vector2.Multiply(ref a, ref b)
+            
+            Assert.ApproximatelyEqual(v1, sum)
+            
+        [<Property>]
+        let ``Static method Vector2-scalar multiplication is the same as component-scalar multiplication`` (a : Vector2, f : float32) = 
+            let r = Vector2.Multiply(a, f)
+            
+            Assert.Equal(a.X * f,r.X)
+            Assert.Equal(a.Y * f,r.Y)
     
     [<Properties(Arbitrary = [| typeof<OpenTKGen> |])>]
     module Subtraction = 
@@ -171,6 +212,22 @@ module Vector2 =
             let c = a - b
             Assert.Equal(a.X - b.X,c.X)
             Assert.Equal(a.Y - b.Y,c.Y)
+            
+        [<Property>]
+        let ``Static Vector2 subtraction method is the same as component addition`` (a : Vector2, b : Vector2) = 
+        
+            let v1 = Vector2(a.X - b.X, a.Y - b.Y)
+            let sum = Vector2.Subtract(a, b)
+            
+            Assert.ApproximatelyEqual(v1, sum)
+            
+        [<Property>]
+        let ``Static Vector2 subtraction method by reference is the same as component addition`` (a : Vector2, b : Vector2) = 
+        
+            let v1 = Vector2(a.X - b.X, a.Y - b.Y)
+            let sum = Vector2.Subtract(ref a, ref b)
+            
+            Assert.ApproximatelyEqual(v1, sum)
     
     [<Properties(Arbitrary = [| typeof<OpenTKGen> |])>]
     module Division = 
@@ -179,8 +236,41 @@ module Vector2 =
         let ``Vector2-float division is the same as component-float division`` (a : Vector2, f : float32) = 
             if not (approxEq f 0.0f) then // we don't support diving by zero.
                 let r = a / f
+                
                 Assert.ApproximatelyEqual(a.X / f,r.X)
                 Assert.ApproximatelyEqual(a.Y / f,r.Y)
+                
+        [<Property>]
+        let ``Static Vector2-Vector2 division method works`` (a : Vector2, b : Vector2) = 
+        
+            let v1 = Vector2(a.X / b.X, a.Y / b.Y)
+            let sum = Vector2.Divide(a, b)
+            
+            Assert.ApproximatelyEqual(v1, sum)
+            
+        [<Property>]
+        let ``Static Vector2-Vector2 divison method works by reference`` (a : Vector2, b : Vector2) = 
+        
+            let v1 = Vector2(a.X / b.X, a.Y / b.Y)
+            let sum = Vector2.Divide(ref a, ref b)
+            
+            Assert.ApproximatelyEqual(v1, sum)
+            
+        [<Property>]
+        let ``Static Vector2-scalar division method works`` (a : Vector2, b : float32) = 
+        
+            let v1 = Vector2(a.X / b, a.Y / b)
+            let sum = Vector2.Divide(a, b)
+            
+            Assert.ApproximatelyEqual(v1, sum)
+            
+        [<Property>]
+        let ``Static Vector2-scalar divison method works by reference`` (a : Vector2, b : float32) = 
+        
+            let v1 = Vector2(a.X / b, a.Y / b)
+            let sum = Vector2.Divide(ref a, b)
+            
+            Assert.ApproximatelyEqual(v1, sum)
 
     [<Properties(Arbitrary = [| typeof<OpenTKGen> |])>]
     module Negation =
@@ -352,4 +442,116 @@ module Vector2 =
             
             let norm = Vector2(a.X * scale, a.Y * scale)
             
-            Assert.ApproximatelyEqual(norm, Vector2.NormalizeFast(a));
+            Assert.ApproximatelyEqual(norm, Vector2.NormalizeFast(a));
+            
+    [<Properties(Arbitrary = [| typeof<OpenTKGen> |])>]
+    module ``Component min and max`` =
+        //
+        [<Property>]
+        let ``Producing a new vector from the smallest components of given vectors works`` (x, y, u, w) =
+            let v1 = Vector2(x, y)
+            let v2 = Vector2(u, w)
+            
+            let vMin = Vector2.ComponentMin(v1, v2)
+            
+            Assert.True(vMin.X <= v1.X)
+            Assert.True(vMin.X <= v2.X)
+            
+            Assert.True(vMin.Y <= v1.Y)
+            Assert.True(vMin.Y <= v2.Y)
+            
+        [<Property>]
+        let ``Producing a new vector from the largest components of given vectors works`` (x, y, u, w) =
+            let v1 = Vector2(x, y)
+            let v2 = Vector2(u, w)
+            
+            let vMax = Vector2.ComponentMax(v1, v2)
+            
+            Assert.True(vMax.X >= v1.X)
+            Assert.True(vMax.X >= v2.X)
+            
+            Assert.True(vMax.Y >= v1.Y)
+            Assert.True(vMax.Y >= v2.Y)
+            
+        [<Property>]
+        let ``Producing a new vector from the smallest components of given vectors by reference works`` (x, y, u, w) =
+            let v1 = Vector2(x, y)
+            let v2 = Vector2(u, w)
+            
+            let vMin = Vector2.ComponentMin(ref v1, ref v2)
+            
+            Assert.True(vMin.X <= v1.X)
+            Assert.True(vMin.X <= v2.X)
+            
+            Assert.True(vMin.Y <= v1.Y)
+            Assert.True(vMin.Y <= v2.Y)
+            
+        [<Property>]
+        let ``Producing a new vector from the largest components of given vectors by reference works`` (x, y, u, w) =
+            let v1 = Vector2(x, y)
+            let v2 = Vector2(u, w)
+            
+            let vMax = Vector2.ComponentMax(ref v1, ref v2)
+            
+            Assert.True(vMax.X >= v1.X)
+            Assert.True(vMax.X >= v2.X)
+            
+            Assert.True(vMax.Y >= v1.Y)
+            Assert.True(vMax.Y >= v2.Y)
+            
+        [<Property>]
+        let ``Selecting the lesser of two vectors works`` (x, y, u, w) =
+            let v1 = Vector2(x, y)
+            let v2 = Vector2(u, w)
+            
+            let l1 = v1.LengthSquared
+            let l2 = v2.LengthSquared
+            
+            let vMin = Vector2.Min(v1, v2)
+            
+            if l1 < l2 then
+                let equalsFirst = vMin = v1 
+                Assert.True(equalsFirst)
+            else 
+                let equalsLast = vMin = v2 
+                Assert.True(equalsLast) 
+            
+        [<Property>]
+        let ``Selecting the greater of two vectors works`` (x, y, u, w) =
+            let v1 = Vector2(x, y)
+            let v2 = Vector2(u, w)
+            
+            let l1 = v1.LengthSquared
+            let l2 = v2.LengthSquared
+            
+            let vMin = Vector2.Max(v1, v2)
+            
+            if l1 >= l2 then
+                let equalsFirst = vMin = v1 
+                Assert.True(equalsFirst)
+            else 
+                let equalsLast = vMin = v2 
+                Assert.True(equalsLast) 
+                
+    [<Properties(Arbitrary = [| typeof<OpenTKGen> |])>]
+    module Clamping =
+        //
+        [<Property>]
+        let ``Clamping one vector between two other vectors works`` (a : Vector2, b : Vector2, w : Vector2) =
+            let res = Vector2.Clamp(w, a, b)
+            
+            let expX = if w.X < a.X then a.X else if w.X > b.X then b.X else w.X
+            let expY = if w.Y < a.Y then a.Y else if w.Y > b.Y then b.Y else w.Y
+            
+            Assert.Equal(expX, res.X)
+            Assert.Equal(expY, res.Y)
+            
+        [<Property>]
+        let ``Clamping one vector between two other vectors works by reference`` (a : Vector2, b : Vector2, w : Vector2) =
+            let res = Vector2.Clamp(ref w, ref a, ref b)
+            
+            let expX = if w.X < a.X then a.X else if w.X > b.X then b.X else w.X
+            let expY = if w.Y < a.Y then a.Y else if w.Y > b.Y then b.Y else w.Y
+            
+            Assert.Equal(expX, res.X)
+            Assert.Equal(expY, res.Y)

tests/OpenTK.Tests/Vector3Tests.fs

@@ -221,7 +221,7 @@ module Vector3 =
             Assert.ApproximatelyEqual(r1, r2)
             
         [<Property>]
-        let ``Static Vector3 addition method works`` (a : Vector3, b : Vector3) = 
+        let ``Static Vector3 addition method is the same as component addition`` (a : Vector3, b : Vector3) = 
         
             let v1 = Vector3(a.X + b.X, a.Y + b.Y, a.Z + b.Z)
             let sum = Vector3.Add(a, b)
@@ -229,7 +229,7 @@ module Vector3 =
             Assert.ApproximatelyEqual(v1, sum)
             
         [<Property>]
-        let ``Static Vector3 addition method works by reference`` (a : Vector3, b : Vector3) = 
+        let ``Static Vector3 addition method by reference is the same as component addition`` (a : Vector3, b : Vector3) = 
         
             let v1 = Vector3(a.X + b.X, a.Y + b.Y, a.Z + b.Z)
             let sum = Vector3.Add(ref a, ref b)
@@ -248,7 +248,7 @@ module Vector3 =
             Assert.Equal(a.Z - b.Z,c.Z)
             
         [<Property>]
-        let ``Static Vector3 subtraction method works`` (a : Vector3, b : Vector3) = 
+        let ``Static Vector3 subtraction method is the same as component addition`` (a : Vector3, b : Vector3) = 
         
             let v1 = Vector3(a.X - b.X, a.Y - b.Y, a.Z - b.Z)
             let sum = Vector3.Subtract(a, b)
@@ -256,7 +256,7 @@ module Vector3 =
             Assert.ApproximatelyEqual(v1, sum)
             
         [<Property>]
-        let ``Static Vector3 subtraction method works by reference`` (a : Vector3, b : Vector3) = 
+        let ``Static Vector3 subtraction method by reference is the same as component addition`` (a : Vector3, b : Vector3) = 
         
             let v1 = Vector3(a.X - b.X, a.Y - b.Y, a.Z - b.Z)
             let sum = Vector3.Subtract(ref a, ref b)
@@ -329,7 +329,7 @@ module Vector3 =
             Assert.Equal(exp, res)
             
         [<Property>]
-        let ``Static Vector3 multiplication method works`` (a : Vector3, b : Vector3) = 
+        let ``Static Vector3 multiplication method is the same as component multiplication`` (a : Vector3, b : Vector3) = 
         
             let v1 = Vector3(a.X * b.X, a.Y * b.Y, a.Z * b.Z)
             let sum = Vector3.Multiply(a, b)
@@ -337,7 +337,7 @@ module Vector3 =
             Assert.ApproximatelyEqual(v1, sum)
             
         [<Property>]
-        let ``Static Vector3 multiplication method works by reference`` (a : Vector3, b : Vector3) = 
+        let ``Static Vector3 multiplication method by reference is the same as component multiplication`` (a : Vector3, b : Vector3) = 
         
             let v1 = Vector3(a.X * b.X, a.Y * b.Y, a.Z * b.Z)
             let sum = Vector3.Multiply(ref a, ref b)