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import sys
from common import gst, unittest
class BufferTest(unittest.TestCase):
def testBufferBuffer(self):
buf = gst.Buffer('test')
assert str(buffer(buf)) == 'test'
def testBufferStr(self):
buffer = gst.Buffer('test')
assert str(buffer) == 'test'
def testBufferBadConstructor(self):
self.assertRaises(TypeError, gst.Buffer, 'test', 0)
def testBufferStrNull(self):
test_string = 't\0e\0s\0t\0'
buffer = gst.Buffer(test_string)
assert str(buffer) == test_string
def testBufferSize(self):
test_string = 'a little string'
buffer = gst.Buffer(test_string)
assert len(buffer) == len(test_string)
#assert hasattr(buffer, 'size')
#assert buffer.size == len(buffer)
def testBufferMaxSize(self):
buffer = gst.Buffer(buffer_size=16)
assert hasattr(buffer, 'maxsize')
assert buffer.maxsize == 16
def testBufferCreateSub(self):
s = ''
for i in range(64):
s += '%02d' % i
buffer = gst.Buffer(s)
assert len(buffer) == 128
sub = buffer.create_sub(16, 16)
assert sub.maxsize == 16
assert sub.offset == -1, sub.offset
def testBufferMerge(self):
buffer1 = gst.Buffer('foo')
buffer2 = gst.Buffer('bar')
merged_buffer = buffer1.merge(buffer2)
assert str(merged_buffer) == 'foobar'
def testBufferJoin(self):
buffer1 = gst.Buffer('foo')
buffer2 = gst.Buffer('bar')
joined_buffer = buffer1.merge(buffer2)
assert str(joined_buffer) == 'foobar'
def testBufferSpan(self):
buffer1 = gst.Buffer('foo')
buffer2 = gst.Buffer('bar')
spaned_buffer = buffer1.span(0L, buffer2, 6L)
assert str(spaned_buffer) == 'foobar'
def testBufferFlagIsSet(self):
buffer = gst.Buffer()
# Off by default
assert not buffer.flag_is_set(gst.BUFFER_READONLY)
# Try switching on and off
buffer.flag_set(gst.BUFFER_READONLY)
assert buffer.flag_is_set(gst.BUFFER_READONLY)
buffer.flag_unset(gst.BUFFER_READONLY)
assert not buffer.flag_is_set(gst.BUFFER_READONLY)
# Try switching on and off
buffer.flag_set(gst.BUFFER_IN_CAPS)
assert buffer.flag_is_set(gst.BUFFER_IN_CAPS)
buffer.flag_unset(gst.BUFFER_IN_CAPS)
assert not buffer.flag_is_set(gst.BUFFER_IN_CAPS)
if __name__ == "__main__":
unittest.main()
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