Attachment 38753 Details for Bug 30187 – updated test

updated test

bug.30187.py (text/plain), 1.11 KB, created by Steve Chaplin on 2010-09-17 00:37:52 UTC

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Creator: Steve Chaplin

Created: 2010-09-17 00:37:52 UTC

Size: 1.11 KB

patch

obsolete

>#!/usr/bin/env python
>
>import gc
>import math
>import random
>
>import cairo
>
>print 'gc.isenabled() = ', gc.isenabled()
>gc.set_debug(gc.DEBUG_LEAK)
>
>surface = cairo.PDFSurface("testsurfaceA.pdf", 1000, 1400)
>cr = cairo.Context(surface)
>
>while 1:
>  x     = random.uniform(0, 1000)
>  y     = random.uniform(0, 1400)
>  angle = random.uniform(0, math.pi * 2)
>  n     = random.uniform(0, 1000)
>
>  try:
>    cr.set_source_rgb(0,0,0)
>    cr.set_font_size(2.0)
>    m = cr.get_font_matrix()  # new Matrix object
>    m.rotate(angle)
>    cr.set_font_matrix(m)
>    cr.move_to(x, y)
>    cr.show_text("%0.2f" % n)
>  except MemoryError:
>    print "Mem error, aborting. Iteration #%d" % i
>    break
>
>  gc.collect()
>
>  print 'len(gc.get_objects())', len(gc.get_objects())
>  #print 'gc.get_objects()', gc.get_objects()
>
>  # gc.garbage - a list of uncollectable objects
>  print 'len(gc.garbage) =', len(gc.garbage)
>  print 'gc.garbage:', gc.garbage
>
>"""
>Interpreting the output
>-----------------------
>if 'len(gc.get_objects()) increases on each loop
>  there is a possible memory leak (?)
>if len(gc.garbage) increases on each loop
>  there is a memory leak
>"""

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Attachments on bug 30187: 38698 | 38753

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