Files
wxWidgets/wxPython/wx/lib/floatcanvas/Utilities/BBoxTest.py
2007-05-01 05:55:19 +00:00

355 lines
10 KiB
Python

"""
Test code for the BBox Object
"""
import unittest
from BBox import *
class testCreator(unittest.TestCase):
def testCreates(self):
B = BBox(((0,0),(5,5)))
self.failUnless(isinstance(B, BBox))
def testType(self):
B = N.array(((0,0),(5,5)))
self.failIf(isinstance(B, BBox))
def testDataType(self):
B = BBox(((0,0),(5,5)))
self.failUnless(B.dtype == N.float)
def testShape(self):
B = BBox((0,0,5,5))
self.failUnless(B.shape == (2,2))
def testShape2(self):
self.failUnlessRaises(ValueError, BBox, (0,0,5) )
def testShape3(self):
self.failUnlessRaises(ValueError, BBox, (0,0,5,6,7) )
def testArrayConstruction(self):
A = N.array(((4,5),(10,12)), N.float_)
B = BBox(A)
self.failUnless(isinstance(B, BBox))
def testMinMax(self):
self.failUnlessRaises(ValueError, BBox, (0,0,-1,6) )
def testMinMax2(self):
self.failUnlessRaises(ValueError, BBox, (0,0,1,-6) )
def testMinMax(self):
# OK to have a zero-sized BB
B = BBox(((0,0),(0,5)))
self.failUnless(isinstance(B, BBox))
def testMinMax2(self):
# OK to have a zero-sized BB
B = BBox(((10.0,-34),(10.0,-34.0)))
self.failUnless(isinstance(B, BBox))
def testMinMax3(self):
# OK to have a tiny BB
B = BBox(((0,0),(1e-20,5)))
self.failUnless(isinstance(B, BBox))
def testMinMax4(self):
# Should catch tiny difference
self.failUnlessRaises(ValueError, BBox, ((0,0), (-1e-20,5)) )
class testAsBBox(unittest.TestCase):
def testPassThrough(self):
B = BBox(((0,0),(5,5)))
C = asBBox(B)
self.failUnless(B is C)
def testPassThrough2(self):
B = (((0,0),(5,5)))
C = asBBox(B)
self.failIf(B is C)
def testPassArray(self):
# Different data type
A = N.array( (((0,0),(5,5))) )
C = asBBox(A)
self.failIf(A is C)
def testPassArray2(self):
# same data type -- should be a view
A = N.array( (((0,0),(5,5))), N.float_ )
C = asBBox(A)
A[0,0] = -10
self.failUnless(C[0,0] == A[0,0])
class testIntersect(unittest.TestCase):
def testSame(self):
B = BBox(((-23.5, 456),(56, 532.0)))
C = BBox(((-23.5, 456),(56, 532.0)))
self.failUnless(B.Overlaps(C) )
def testUpperLeft(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (0, 12),(10, 32.0) ) )
self.failUnless(B.Overlaps(C) )
def testUpperRight(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (12, 12),(25, 32.0) ) )
self.failUnless(B.Overlaps(C) )
def testLowerRight(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (12, 5),(25, 15) ) )
self.failUnless(B.Overlaps(C) )
def testLowerLeft(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (-10, 5),(8.5, 15) ) )
self.failUnless(B.Overlaps(C) )
def testBelow(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (-10, 5),(8.5, 9.2) ) )
self.failIf(B.Overlaps(C) )
def testAbove(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (-10, 25.001),(8.5, 32) ) )
self.failIf(B.Overlaps(C) )
def testLeft(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (4, 8),(4.95, 32) ) )
self.failIf(B.Overlaps(C) )
def testRight(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (17.1, 8),(17.95, 32) ) )
self.failIf(B.Overlaps(C) )
def testInside(self):
B = BBox( ( (-15, -25),(-5, -10) ) )
C = BBox( ( (-12, -22), (-6, -8) ) )
self.failUnless(B.Overlaps(C) )
def testOutside(self):
B = BBox( ( (-15, -25),(-5, -10) ) )
C = BBox( ( (-17, -26), (3, 0) ) )
self.failUnless(B.Overlaps(C) )
def testTouch(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (15, 8),(17.95, 32) ) )
self.failUnless(B.Overlaps(C) )
def testCorner(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (15, 25),(17.95, 32) ) )
self.failUnless(B.Overlaps(C) )
def testZeroSize(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (15, 25),(15, 25) ) )
self.failUnless(B.Overlaps(C) )
def testZeroSize2(self):
B = BBox( ( (5, 10),(5, 10) ) )
C = BBox( ( (15, 25),(15, 25) ) )
self.failIf(B.Overlaps(C) )
def testZeroSize3(self):
B = BBox( ( (5, 10),(5, 10) ) )
C = BBox( ( (0, 8),(10, 12) ) )
self.failUnless(B.Overlaps(C) )
def testZeroSize4(self):
B = BBox( ( (5, 1),(10, 25) ) )
C = BBox( ( (8, 8),(8, 8) ) )
self.failUnless(B.Overlaps(C) )
class testEquality(unittest.TestCase):
def testSame(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
self.failUnless(B == C)
def testIdentical(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
self.failUnless(B == B)
def testNotSame(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = BBox( ( (1.0, 2.0), (5.0, 10.1) ) )
self.failIf(B == C)
def testWithArray(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = N.array( ( (1.0, 2.0), (5.0, 10.0) ) )
self.failUnless(B == C)
def testWithArray2(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = N.array( ( (1.0, 2.0), (5.0, 10.0) ) )
self.failUnless(C == B)
def testWithArray2(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = N.array( ( (1.01, 2.0), (5.0, 10.0) ) )
self.failIf(C == B)
class testInside(unittest.TestCase):
def testSame(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
self.failUnless(B.Inside(C))
def testPoint(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = BBox( ( (3.0, 4.0), (3.0, 4.0) ) )
self.failUnless(B.Inside(C))
def testPointOutside(self):
B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
C = BBox( ( (-3.0, 4.0), (0.10, 4.0) ) )
self.failIf(B.Inside(C))
def testUpperLeft(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (0, 12),(10, 32.0) ) )
self.failIf(B.Inside(C) )
def testUpperRight(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (12, 12),(25, 32.0) ) )
self.failIf(B.Inside(C) )
def testLowerRight(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (12, 5),(25, 15) ) )
self.failIf(B.Inside(C) )
def testLowerLeft(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (-10, 5),(8.5, 15) ) )
self.failIf(B.Inside(C) )
def testBelow(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (-10, 5),(8.5, 9.2) ) )
self.failIf(B.Inside(C) )
def testAbove(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (-10, 25.001),(8.5, 32) ) )
self.failIf(B.Inside(C) )
def testLeft(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (4, 8),(4.95, 32) ) )
self.failIf(B.Inside(C) )
def testRight(self):
B = BBox( ( (5, 10),(15, 25) ) )
C = BBox( ( (17.1, 8),(17.95, 32) ) )
self.failIf(B.Inside(C) )
class testFromPoints(unittest.TestCase):
def testCreate(self):
Pts = N.array( ((5,2),
(3,4),
(1,6),
), N.float_ )
B = fromPoints(Pts)
#B = BBox( ( (1.0, 2.0), (5.0, 10.0) ) )
self.failUnless(B[0,0] == 1.0 and
B[0,1] == 2.0 and
B[1,0] == 5.0 and
B[1,1] == 6.0
)
def testCreateInts(self):
Pts = N.array( ((5,2),
(3,4),
(1,6),
) )
B = fromPoints(Pts)
self.failUnless(B[0,0] == 1.0 and
B[0,1] == 2.0 and
B[1,0] == 5.0 and
B[1,1] == 6.0
)
def testSinglePoint(self):
Pts = N.array( (5,2), N.float_ )
B = fromPoints(Pts)
self.failUnless(B[0,0] == 5.0 and
B[0,1] == 2.0 and
B[1,0] == 5.0 and
B[1,1] == 2.0
)
def testListTuples(self):
Pts = [ (3, 6.5),
(13, 43.2),
(-4.32, -4),
(65, -23),
(-0.0001, 23.432),
]
B = fromPoints(Pts)
self.failUnless(B[0,0] == -4.32 and
B[0,1] == -23.0 and
B[1,0] == 65.0 and
B[1,1] == 43.2
)
class testMerge(unittest.TestCase):
A = BBox( ((-23.5, 456), (56, 532.0)) )
B = BBox( ((-20.3, 460), (54, 465 )) )# B should be completely inside A
C = BBox( ((-23.5, 456), (58, 540.0)) )# up and to the right or A
D = BBox( ((-26.5, 12), (56, 532.0)) )
def testInside(self):
C = self.A.copy()
C.Merge(self.B)
self.failUnless(C == self.A)
def testFullOutside(self):
C = self.B.copy()
C.Merge(self.A)
self.failUnless(C == self.A)
def testUpRight(self):
A = self.A.copy()
A.Merge(self.C)
self.failUnless(A[0] == self.A[0] and A[1] == self.C[1])
def testDownLeft(self):
A = self.A.copy()
A.Merge(self.D)
self.failUnless(A[0] == self.D[0] and A[1] == self.A[1])
class testBBarray(unittest.TestCase):
BBarray = N.array( ( ((-23.5, 456), (56, 532.0)),
((-20.3, 460), (54, 465 )),
((-23.5, 456), (58, 540.0)),
((-26.5, 12), (56, 532.0)),
),
dtype=N.float)
print BBarray
BB = asBBox( ((-26.5, 12.), ( 58. , 540.)) )
def testJoin(self):
BB = fromBBArray(self.BBarray)
self.failUnless(BB == self.BB, "Wrong BB was created. It was:\n%s \nit should have been:\n%s"%(BB, self.BB))
if __name__ == "__main__":
unittest.main()