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package build
import (
"github.com/yourbasic/graph"
"testing"
)
func TestCirculant(t *testing.T) {
res := Circulant(1, 0)
if mess, diff := diff(res.String(), "1 []"); diff {
t.Errorf("Circulant %s", mess)
}
Consistent("Circulant", t, res)
res = Circulant(-1)
if mess, diff := diff(res, (*Virtual)(nil)); diff {
t.Errorf("Circulant %s", mess)
}
Consistent("Circulant", t, res)
res = Circulant(0)
if mess, diff := diff(res.String(), "0 []"); diff {
t.Errorf("Circulant %s", mess)
}
Consistent("Circulant", t, res)
res = Circulant(1)
if mess, diff := diff(res.String(), "1 []"); diff {
t.Errorf("Circulant %s", mess)
}
Consistent("Circulant", t, res)
res = Circulant(2, 0)
if mess, diff := diff(res.String(), "2 []"); diff {
t.Errorf("Circulant %s", mess)
}
Consistent("Circulant", t, res)
res = Circulant(2, 1)
if mess, diff := diff(res.String(), "2 [{0 1}]"); diff {
t.Errorf("Circulant %s", mess)
}
Consistent("Circulant", t, res)
res = Circulant(2, 0, 1, 1, 2)
if mess, diff := diff(res.String(), "2 [{0 1}]"); diff {
t.Errorf("Circulant %s", mess)
}
Consistent("Circulant", t, res)
res = Circulant(2, 0, -1, -3, -2)
if mess, diff := diff(res.String(), "2 [{0 1}]"); diff {
t.Errorf("Circulant %s", mess)
}
Consistent("Circulant", t, res)
res = Circulant(2, 0, 1, 2)
if mess, diff := diff(res.String(), "2 [{0 1}]"); diff {
t.Errorf("Circulant %s", mess)
}
Consistent("Circulant", t, res)
res = Circulant(4, 1)
if mess, diff := diff(res.String(), "4 [{0 1} {0 3} {1 2} {2 3}]"); diff {
t.Errorf("Circulant %s", mess)
}
Consistent("Circulant", t, res)
res = Circulant(4, -5)
if mess, diff := diff(res.String(), "4 [{0 1} {0 3} {1 2} {2 3}]"); diff {
t.Errorf("Circulant %s", mess)
}
Consistent("Circulant", t, res)
res = Circulant(6, 1, 2, 3)
exp := Kn(6)
if mess, diff := diff(graph.Equal(res, exp), true); diff {
t.Errorf("Circulant %s", mess)
}
Consistent("Circulant", t, res)
for n := 1; n < 10; n++ {
Consistent("Circulant", t, Circulant(n, n/2, n/3-n, n/4))
}
}
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