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package main
import "testing"
func TestDir(t *testing.T) {
type tableTest struct {
pos position
dir direction
}
table := []tableTest{
{position{3, 2}, E},
{position{4, 1}, ENE},
{position{3, 1}, NE},
{position{3, 0}, NNE},
{position{2, 1}, N},
{position{1, 0}, NNW},
{position{1, 1}, NW},
{position{0, 1}, WNW},
{position{1, 2}, W},
{position{0, 3}, WSW},
{position{1, 3}, SW},
{position{1, 4}, SSW},
{position{2, 3}, S},
{position{3, 4}, SSE},
{position{3, 3}, SE},
{position{4, 3}, ESE},
}
for _, test := range table {
if test.pos.Dir(position{2, 2}) != test.dir {
t.Errorf("Bad direction for %+v\n", test)
}
}
}
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