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geom_test.go
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geom_test.go
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package tsp_test
import (
"fmt"
"testing"
"github.com/nakario/tsp"
"github.com/stretchr/testify/assert"
)
func TestPointArea(t *testing.T) {
for _, v := range []struct{
input tsp.Point
expected tsp.Area
}{
{
input: tsp.Point{X: 0, Y: 0},
expected: tsp.AreaOnLine,
},
{
input: tsp.Point{X: 1, Y: 1},
expected: tsp.AreaOnLine,
},
{
input: tsp.Point{X: -2, Y: 2},
expected: tsp.AreaOnLine,
},
{
input: tsp.Point{X: 0, Y: -3},
expected: tsp.AreaOnLine,
},
{
input: tsp.Point{X: 2, Y: 1},
expected: tsp.AreaENE,
},
{
input: tsp.Point{X: 1, Y: 2},
expected: tsp.AreaNNE,
},
{
input: tsp.Point{X: -1, Y: 2},
expected: tsp.AreaNNW,
},
{
input: tsp.Point{X: -2, Y: 1},
expected: tsp.AreaWNW,
},
{
input: tsp.Point{X: -2, Y: -1},
expected: tsp.AreaWSW,
},
{
input: tsp.Point{X: -1, Y: -2},
expected: tsp.AreaSSW,
},
{
input: tsp.Point{X: 1, Y: -2},
expected: tsp.AreaSSE,
},
{
input: tsp.Point{X: 2, Y: -1},
expected: tsp.AreaESE,
},
} {
t.Run(fmt.Sprintf("input: %v", v.input), func(t *testing.T) {
actual := v.input.Area()
assert.Equal(t, v.expected, actual)
})
}
}