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package graph
import (
"testing"
)
func TestEulerDirected(t *testing.T) {
g := New(0)
walk, ok := EulerDirected(g)
if mess, diff := diff(walk, []int{}); diff {
t.Errorf("EulerDirected: %s", mess)
}
if mess, diff := diff(ok, true); diff {
t.Errorf("EulerDirected: %s", mess)
}
g = New(4)
walk, ok = EulerDirected(g)
if mess, diff := diff(walk, []int{}); diff {
t.Errorf("EulerDirected: %s", mess)
}
if mess, diff := diff(ok, true); diff {
t.Errorf("EulerDirected: %s", mess)
}
g.Add(0, 0)
walk, ok = EulerDirected(g)
if mess, diff := diff(walk, []int{0, 0}); diff {
t.Errorf("EulerDirected: %s", mess)
}
if mess, diff := diff(ok, true); diff {
t.Errorf("EulerDirected: %s", mess)
}
g.Add(0, 1)
walk, ok = EulerDirected(g)
if mess, diff := diff(walk, []int{0, 0, 1}); diff {
t.Errorf("EulerDirected: %s", mess)
}
if mess, diff := diff(ok, true); diff {
t.Errorf("EulerDirected: %s", mess)
}
g.Add(2, 3)
walk, ok = EulerDirected(g)
if mess, diff := diff(walk, []int{}); diff {
t.Errorf("EulerDirected: %s", mess)
}
if mess, diff := diff(ok, false); diff {
t.Errorf("EulerDirected: %s", mess)
}
g.Delete(2, 3)
g.Add(2, 1)
walk, ok = EulerDirected(g)
if mess, diff := diff(walk, []int{}); diff {
t.Errorf("EulerDirected: %s", mess)
}
if mess, diff := diff(ok, false); diff {
t.Errorf("EulerDirected: %s", mess)
}
g.Delete(2, 1)
g.Add(2, 2)
walk, ok = EulerDirected(g)
if mess, diff := diff(walk, []int{}); diff {
t.Errorf("EulerDirected: %s", mess)
}
if mess, diff := diff(ok, false); diff {
t.Errorf("EulerDirected: %s", mess)
}
g.Add(1, 2)
walk, ok = EulerDirected(g)
if mess, diff := diff(walk, []int{0, 0, 1, 2, 2}); diff {
t.Errorf("EulerDirected: %s", mess)
}
if mess, diff := diff(ok, true); diff {
t.Errorf("EulerDirected: %s", mess)
}
}
func TestEulerUndirected(t *testing.T) {
g := New(0)
walk, ok := EulerUndirected(g)
if mess, diff := diff(walk, []int{}); diff {
t.Errorf("EulerUndirected: %s", mess)
}
if mess, diff := diff(ok, true); diff {
t.Errorf("EulerUndirected: %s", mess)
}
g = New(7)
walk, ok = EulerUndirected(g)
if mess, diff := diff(walk, []int{}); diff {
t.Errorf("EulerUndirected: %s", mess)
}
if mess, diff := diff(ok, true); diff {
t.Errorf("EulerUndirected: %s", mess)
}
g.AddBoth(0, 0)
walk, ok = EulerUndirected(g)
if mess, diff := diff(walk, []int{0, 0}); diff {
t.Errorf("EulerUndirected: %s", mess)
}
if mess, diff := diff(ok, true); diff {
t.Errorf("EulerUndirected: %s", mess)
}
g.AddBoth(0, 1)
walk, ok = EulerUndirected(g)
if mess, diff := diff(walk, []int{0, 0, 1}); diff {
t.Errorf("EulerUndirected: %s", mess)
}
if mess, diff := diff(ok, true); diff {
t.Errorf("EulerUndirected: %s", mess)
}
g.AddBoth(2, 3)
walk, ok = EulerUndirected(g)
if mess, diff := diff(walk, []int{}); diff {
t.Errorf("EulerUndirected: %s", mess)
}
if mess, diff := diff(ok, false); diff {
t.Errorf("EulerUndirected: %s", mess)
}
g.AddBoth(1, 2)
walk, ok = EulerUndirected(g)
if mess, diff := diff(walk, []int{0, 0, 1, 2, 3}); diff {
t.Errorf("EulerUndirected: %s", mess)
}
if mess, diff := diff(ok, true); diff {
t.Errorf("EulerUndirected: %s", mess)
}
g.AddBoth(2, 2)
walk, ok = EulerUndirected(g)
if mess, diff := diff(walk, []int{0, 0, 1, 2, 2, 3}); diff {
t.Errorf("EulerUndirected: %s", mess)
}
if mess, diff := diff(ok, true); diff {
t.Errorf("EulerUndirected: %s", mess)
}
g.AddBoth(4, 5)
g.AddBoth(5, 6)
g.AddBoth(4, 6)
walk, ok = EulerUndirected(g)
if mess, diff := diff(walk, []int{}); diff {
t.Errorf("EulerUndirected: %s", mess)
}
if mess, diff := diff(ok, false); diff {
t.Errorf("EulerUndirected: %s", mess)
}
}
|
