SF.net SVN: matplotlib:[8459] trunk/matplotlib/lib/matplotlib/tests/ test_simplification.py

[<md...@us...>]

Revision: 8459
          http://matplotlib.svn.sourceforge.net/matplotlib/?rev=8459&view=rev
Author:   mdboom
Date:     2010-06-23 14:44:32 +0000 (Wed, 23 Jun 2010)

Log Message:
-----------
Add unit test to ensure that rendering complexity exceeded exception is properly propagated to Python.

Modified Paths:
--------------
    trunk/matplotlib/lib/matplotlib/tests/test_simplification.py

Modified: trunk/matplotlib/lib/matplotlib/tests/test_simplification.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/tests/test_simplification.py	2010-06-23 14:43:52 UTC (rev 8458)
+++ trunk/matplotlib/lib/matplotlib/tests/test_simplification.py	2010-06-23 14:44:32 UTC (rev 8459)
@@ -6,6 +6,10 @@
 from pylab import *
 import numpy as np
 from matplotlib import patches, path, transforms
+
+from nose.tools import raises
+import cStringIO
+
 nan = np.nan
 Path = path.Path
 
@@ -165,6 +169,24 @@
     assert len(segs) == 1
     assert segs[0][1] == Path.MOVETO
 
+@raises(OverflowError)
+def test_throw_rendering_complexity_exceeded():
+    rcParams['path.simplify'] = False
+
+    xx = np.arange(200000)
+    yy = np.random.rand(200000)
+    yy[1000] = np.nan
+    fig = plt.figure()
+    ax = fig.add_subplot(111)
+    ax.plot(xx, yy)
+    try:
+        fig.savefig(cStringIO.StringIO())
+    except e:
+        raise e
+    else:
+        rcParams['path.simplify'] = True
+
+
 if __name__=='__main__':
     import nose
     nose.runmodule(argv=['-s','--with-doctest'], exit=False)


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