new tests

test/test_rot.py

@@ -1,4 +1,11 @@
 from matrixmania import rot_2D
+import math
 
 def test_rot_1():
-    angle =
+    angle = 0
+    assert rot_2D(angle) == [[1.0, -0.0],
+                             [0.0, 1.0]]
+
+def test_rot_2():
+    angle = math.pi
+    assert rot_2D(angle) == [[-1.0, -1.2246467991473532e-16], [1.2246467991473532e-16, -1.0]]

test/test_transpose.py

@@ -0,0 +1,8 @@
+from matrixmania import transpose
+
+def test_transpose_1():
+    a = [[1, 2, 3],
+        [4, 5, 6]]
+    assert transpose(a) == [[1, 4],
+                            [2, 5],
+                            [3, 6]]