[Tests] convert arrayTools doctests into arrayTools_test.py

Tests/misc/arrayTools_test.py

@@ -0,0 +1,85 @@
+from __future__ import print_function, division, absolute_import
+from fontTools.misc.py23 import *
+from fontTools.misc.arrayTools import (
+    calcBounds, calcIntBounds, updateBounds, pointInRect, pointsInRect,
+    vectorLength, asInt16, normRect, scaleRect, offsetRect, insetRect,
+    sectRect, unionRect, rectCenter, intRect)
+import math
+
+
+def test_calcBounds():
+    assert calcBounds([]) == (0, 0, 0, 0)
+    assert calcBounds(
+        [(0, 40), (0, 100), (50, 50), (80, 10)]) == (0, 10, 80, 100)
+
+
+def test_calcIntBounds():
+    assert calcIntBounds(
+        [(0.1, 40.1), (0.1, 100.1), (49.9, 49.9), (79.5, 9.5)]
+    ) == (0, 10, 80, 100)
+
+
+def test_updateBounds():
+    assert updateBounds((0, 0, 0, 0), (100, 100)) == (0, 0, 100, 100)
+
+
+def test_pointInRect():
+    assert pointInRect((50, 50), (0, 0, 100, 100))
+    assert pointInRect((0, 0), (0, 0, 100, 100))
+    assert pointInRect((100, 100), (0, 0, 100, 100))
+    assert not pointInRect((101, 100), (0, 0, 100, 100))
+
+
+def test_pointsInRect():
+    assert pointsInRect([], (0, 0, 100, 100)) == []
+    assert pointsInRect(
+        [(50, 50), (0, 0), (100, 100), (101, 100)],
+        (0, 0, 100, 100)) == [True, True, True, False]
+
+
+def test_vectorLength():
+    assert vectorLength((1, 1)) == math.sqrt(2)
+
+
+def test_asInt16():
+    assert asInt16([0, 0.1, 0.5, 0.9]) == [0, 0, 1, 1]
+
+
+def test_normRect():
+    assert normRect((0, 10, 100, 200)) == (0, 10, 100, 200)
+    assert normRect((100, 200, 0, 10)) == (0, 10, 100, 200)
+
+
+def test_scaleRect():
+    assert scaleRect((10, 20, 50, 150), 1.5, 2) == (15.0, 40, 75.0, 300)
+
+
+def test_offsetRect():
+    assert offsetRect((10, 20, 30, 40), 5, 6) == (15, 26, 35, 46)
+
+
+def test_insetRect():
+    assert insetRect((10, 20, 50, 60), 5, 10) == (15, 30, 45, 50)
+    assert insetRect((10, 20, 50, 60), -5, -10) == (5, 10, 55, 70)
+
+
+def test_sectRect():
+    intersects, rect = sectRect((0, 10, 20, 30), (0, 40, 20, 50))
+    assert not intersects
+
+    intersects, rect = sectRect((0, 10, 20, 30), (5, 20, 35, 50))
+    assert intersects
+    assert rect == (5, 20, 20, 30)
+
+
+def test_unionRect():
+    assert unionRect((0, 10, 20, 30), (0, 40, 20, 50)) == (0, 10, 20, 50)
+
+
+def test_rectCenter():
+    assert rectCenter((0, 0, 100, 200)) == (50.0, 100.0)
+    assert rectCenter((0, 0, 100, 199.0)) == (50.0, 99.5)
+
+
+def test_intRect():
+    assert intRect((0.9, 2.9, 3.1, 4.1)) == (0, 2, 4, 5)