// test crossover between two trees
func TestCrossover(t *testing.T) {
pset := initPset(true)
exprs := testExprs(pset)
breed := gp.CxOnePoint()
parent := gp.Population{gp.Create(exprs[1]), gp.Create(exprs[2])}
t.Log("Before:\n", parent[0], "\n", parent[1])
for i := 0; i < 5; i++ {
child := breed.Variate(parent)
t.Log("After:", i, "\n", child[0], "\n", child[1])
}
}
// test depth and size attributes
func TestDepth(t *testing.T) {
pset := initPset(true)
exprs := testExprs(pset)
ind := gp.Create(exprs[2])
depth, size := ind.Depth(), ind.Size()
t.Logf("%s depth=%d size=%d\n", ind, depth, size)
if depth != 3 || size != 9 {
t.Errorf("got depth=%d size=%d - expected 3 9", depth, size)
}
}