I get the following two failures on an intel mac running 10.4.11:
The following tests failed:
sage -t "devel/sage/sage/parallel/decorate.py"
sage -t "devel/sage/sage/plot/axes.py"
Total time for all tests: 6229.1 seconds
Its interesting (to me at least) that the tests took less than they
have been recently - I think alpha1 was about 7200 seconds.
Some more detail:
File "/Volumes/E/sage-4.1.rc1/devel/sage/sage/parallel/decorate.py",
line 64:
sage: @parallel()
def f(N): return N**Integer(2)
Expected nothing
Got:
doctest:49: DeprecationWarning: os.popen2 is deprecated. Use the
subprocess module.
sage -t "devel/sage/sage/plot/axes.py"
A mysterious error (perhaps a memory error?) occurred, which may have
crashed doctest.
-Marshall Hampton
On Jul 8, 1:09 am, Robert Miller <rlmills...@gmail.com> wrote:
> All known issues have been fixed, and all long doctests pass on
> sage.math (* -- see below), so there is a chance this could be
> sage-4.1.
>
> The source tarball:
>
> http://sage.math.washington.edu/home/rlmill/release/sage-4.1.rc1.tar
>
> sage.math binary:
>
> http://sage.math.washington.edu/home/rlmill/release/sage-4.1.rc1-x86_...
>
> Upgrade URL:
>
> http://sage.math.washington.edu/home/rlmill/release/sage-4.1.rc1/
>
> (Note - If you are upgrading from rc0, you need to force a rebuild of
> Singular)
>
> There were four fixes merged, one fixing an issue so that the PDF
> reference manual would build, one doctest issue with graph
> eigenvalues, a fix to MANIFEST.in, and the upgrade to Singular 3.1.0.4
> (from 3.1.0.2) was reverted, as it fails to build on OS X.
>
> * -- There was witnessed the following Heisenbug:
>
> sage -t -long devel/sage-main/sage/graphs/graph_plot.py
> libpng error: Image width or height is zero in IHDR
> **********************************************************************
> File "/space/rlm/sage-4.1.rc1/devel/sage-main/sage/graphs/
> graph_plot.py", line 707:
> sage: D.show()
> Exception raised:
> Traceback (most recent call last):
> File "/space/rlm/sage-4.1.rc1/local/bin/ncadoctest.py", line
> 1231, in run_one_test
> self.run_one_example(test, example, filename, compileflags)
> File "/space/rlm/sage-4.1.rc1/local/bin/sagedoctest.py", line
> 38, in run_one_example
> OrigDocTestRunner.run_one_example(self, test, example,
> filename, compileflags)
> File "/space/rlm/sage-4.1.rc1/local/bin/ncadoctest.py", line
> 1172, in run_one_example
> compileflags, 1) in test.globs
> File "<doctest __main__.example_7[36]>", line 1, in <module>
> D.show()###line 707:
> sage: D.show()
> File "/space/rlm/sage-4.1.rc1/local/lib/python/site-packages/
> sage/graphs/graph.py", line 6760, in show
> self.plot(**plot_kwds).show(**kwds)
> File "/space/rlm/sage-4.1.rc1/local/lib/python/site-packages/
> sage/plot/plot.py", line 1292, in show
> hgridlinesstyle=hgridlinesstyle)
> File "/space/rlm/sage-4.1.rc1/local/lib/python/site-packages/
> sage/plot/plot.py", line 1627, in save
> canvas.print_figure(filename, dpi=dpi)
> File "/space/rlm/sage-4.1.rc1/local/lib/python/site-packages/
> matplotlib/backend_bases.py", line 1453, in print_figure
> **kwargs)
> File "/space/rlm/sage-4.1.rc1/local/lib/python/site-packages/
> matplotlib/backends/backend_agg.py", line 334, in print_png
> filename_or_obj, self.figure.dpi)
> RuntimeError: Error building image
> **********************************************************************
>
> This leads me to conclude that the age-old "Sage is trying to plot an
> edge vertically or horizontally without adjusting image bounds
> appropriately" bug, which I think I've fixed three different times in
> various places, just will not die. That said, I ran this test again
> ten times and it passed each time. I think it requires the spring
> layout to terminate with the edge at just the right angle to be
> triggered.
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