# ---------------------------------------------------------------------------
# - GFX0003.als                                                             -
# - afnix:gfx module test unit                                              -
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# - copyright (c) 1999-2007 amaury darsch                                   -
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# @info   graph test unit
# @author amaury darsch

# get the module
interp:library "afnix-gfx"

# create a graph
const  g    (afnix:gfx:Graph)
assert true (afnix:gfx:graph-p g)

# create an edge and add vertices
const edge (afnix:gfx:Edge)
edge:add   (afnix:gfx:Vertex "hello") 
edge:add   (afnix:gfx:Vertex "world")
assert 2   (edge:cardinality)

# add the edge to the graph and check
g:add edge
assert 1 (g:number-of-edges)
assert 2 (g:number-of-vertices)

# check for nodes and edges
assert true (afnix:gfx:edge-p   (g:get-edge   0))
assert true (afnix:gfx:vertex-p (g:get-vertex 0))
assert true (afnix:gfx:vertex-p (g:get-vertex 1))