#19223: Graphs: missing error check for depth_first_search(..., distance=0)
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Reporter: jmantysalo | Owner:
Type: defect | Status: new
Priority: minor | Milestone: sage-6.9
Component: graph theory | Keywords:
Merged in: | Authors:
Reviewers: | Report Upstream: N/A
Work issues: | Branch:
Commit: | Dependencies:
Stopgaps: |
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{{{
G = Graph({1:[2]})
list(G.depth_first_search('junk', distance=0))
}}}
outputs `['junk']`, but it should raise an exception. With `distance=1` it
works. Same happens with `breadth_first_search()`.
Also `distance` is not checked and `G.depth_first_search(1,
distance='junk')` works like `distance=None`.
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Ticket URL: <http://trac.sagemath.org/ticket/19223>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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