mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-26 02:00:33 +00:00
78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
|
# -*- Mode: Python -*-
|
||
|
|
# vi:si:et:sw=4:sts=4:ts=4
|
||
|
|
#
|
||
|
|
# gst-python - Python bindings for GStreamer
|
||
|
|
# Copyright (C) 2007 Johan Dahlin
|
||
|
|
#
|
||
|
|
# This library is free software; you can redistribute it and/or
|
||
|
|
# modify it under the terms of the GNU Lesser General Public
|
||
|
|
# License as published by the Free Software Foundation; either
|
||
|
|
# version 2.1 of the License, or (at your option) any later version.
|
||
|
|
#
|
||
|
|
# This library is distributed in the hope that it will be useful,
|
||
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
# Lesser General Public License for more details.
|
||
|
|
#
|
||
|
|
# You should have received a copy of the GNU Lesser General Public
|
||
|
|
# License along with this library; if not, write to the Free Software
|
||
|
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||
|
|
|
||
|
|
from common import gst, TestCase
|
||
|
|
|
||
|
|
F = gst.Fraction
|
||
|
|
|
||
|
|
class TestFraction(TestCase):
|
||
|
|
def testConstructor(self):
|
||
|
|
frac = F(1, 2)
|
||
|
|
self.assertEquals(frac.num, 1)
|
||
|
|
self.assertEquals(frac.denom, 2)
|
||
|
|
|
||
|
|
frac = F(1)
|
||
|
|
self.assertEquals(frac.num, 1)
|
||
|
|
self.assertEquals(frac.denom, 1)
|
||
|
|
|
||
|
|
self.assertRaises(TypeError, F)
|
||
|
|
|
||
|
|
def testRepr(self):
|
||
|
|
self.assertEquals(repr(F(1, 2)), '<gst.Fraction 1/2>')
|
||
|
|
|
||
|
|
def testEqNe(self):
|
||
|
|
frac = F(1, 2)
|
||
|
|
self.assertEquals(frac, frac)
|
||
|
|
self.assertEquals(F(1, 2), F(1, 2))
|
||
|
|
self.assertEquals(F(2, 4), F(1, 2))
|
||
|
|
|
||
|
|
self.assertNotEquals(F(1, 3), F(1, 2))
|
||
|
|
self.assertNotEquals(F(2, 1), F(1, 2))
|
||
|
|
|
||
|
|
def testMul(self):
|
||
|
|
self.assertEquals(F(1, 2) * F(1, 2), F(1, 4))
|
||
|
|
self.assertEquals(F(2, 3) * F(4, 5), F(8, 15))
|
||
|
|
self.assertEquals(F(1, 3) * F(4), F(4, 3))
|
||
|
|
self.assertEquals(F(1, 3) * 4, F(4, 3))
|
||
|
|
|
||
|
|
def testRMul(self):
|
||
|
|
self.assertEquals(2 * F(1, 2), F(1))
|
||
|
|
self.assertEquals(4 * F(1, 2), F(2))
|
||
|
|
self.assertEquals(-10 * F(1, 2), F(-5))
|
||
|
|
|
||
|
|
def testDiv(self):
|
||
|
|
self.assertEquals(F(1, 3) / F(1, 4), F(4, 3))
|
||
|
|
self.assertEquals(F(2, 3) / F(4, 5), F(10, 12))
|
||
|
|
|
||
|
|
self.assertEquals(F(1, 3) / F(4), F(1, 12))
|
||
|
|
self.assertEquals(F(1, 3) / 4, F(1, 12))
|
||
|
|
self.assertEquals(F(1, 3) / 2, F(1, 6))
|
||
|
|
self.assertEquals(F(1, 5) / -4, F(1, -20))
|
||
|
|
|
||
|
|
def testRDiv(self):
|
||
|
|
self.assertEquals(2 / F(1, 3), F(6, 1))
|
||
|
|
self.assertEquals(-4 / F(1, 5), F(-20, 1))
|
||
|
|
|
||
|
|
def testFloat(self):
|
||
|
|
self.assertEquals(float(F(1, 2)), 0.5)
|
||
|
|
|
||
|
|
|
||
|
|
|