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conveyor_test.go
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conveyor_test.go
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package main
import "testing"
func TestConveyor_Egress(t *testing.T) {
conveyors := []Conveyor{
{direction: Right, position: Position{5, 5}, length: Short},
{direction: Right, position: Position{5, 5}, length: Long},
{direction: Bottom, position: Position{5, 5}, length: Short},
{direction: Bottom, position: Position{5, 5}, length: Long},
{direction: Left, position: Position{5, 5}, length: Short},
{direction: Left, position: Position{5, 5}, length: Long},
{direction: Top, position: Position{5, 5}, length: Short},
{direction: Top, position: Position{5, 5}, length: Long},
}
expectedEgresses := []Position{
{6, 5},
{7, 5},
{5, 6},
{5, 7},
{4, 5},
{4, 5},
{5, 4},
{5, 4},
}
for i, conveyor := range conveyors {
if conveyor.Egress() != expectedEgresses[i] {
t.Errorf("Egress() = %v, want %v", conveyor.Egress(), expectedEgresses[i])
}
}
}
func TestConveyor_Ingress(t *testing.T) {
conveyors := []Conveyor{
{direction: Right, position: Position{5, 5}, length: Short},
{direction: Right, position: Position{5, 5}, length: Long},
{direction: Bottom, position: Position{5, 5}, length: Short},
{direction: Bottom, position: Position{5, 5}, length: Long},
{direction: Left, position: Position{5, 5}, length: Short},
{direction: Left, position: Position{5, 5}, length: Long},
{direction: Top, position: Position{5, 5}, length: Short},
{direction: Top, position: Position{5, 5}, length: Long},
}
expectedIngresses := []Position{
{4, 5},
{4, 5},
{5, 4},
{5, 4},
{6, 5},
{7, 5},
{5, 6},
{5, 7},
}
for i, conveyor := range conveyors {
if conveyor.Ingress() != expectedIngresses[i] {
t.Errorf("Ingress() = %v, want %v", conveyor.Ingress(), expectedIngresses[i])
}
}
}
func TestConveyor_NextToEgressPositions(t *testing.T) {
conveyors := []Conveyor{
{direction: Right, position: Position{5, 5}, length: Short},
{direction: Right, position: Position{5, 5}, length: Long},
{direction: Bottom, position: Position{5, 5}, length: Short},
{direction: Bottom, position: Position{5, 5}, length: Long},
{direction: Left, position: Position{5, 5}, length: Short},
{direction: Left, position: Position{5, 5}, length: Long},
{direction: Top, position: Position{5, 5}, length: Short},
{direction: Top, position: Position{5, 5}, length: Long},
}
expectedPositions := [][]Position{
{{6, 4}, {7, 5}, {6, 6}},
{{7, 4}, {8, 5}, {7, 6}},
{{6, 6}, {5, 7}, {4, 6}},
{{6, 7}, {5, 8}, {4, 7}},
{{4, 6}, {3, 5}, {4, 4}},
{{4, 6}, {3, 5}, {4, 4}},
{{4, 4}, {5, 3}, {6, 4}},
{{4, 4}, {5, 3}, {6, 4}},
}
for i, conveyor := range conveyors {
for j, pos := range conveyor.NextToEgressPositions() {
if pos != expectedPositions[i][j] {
t.Errorf("NextToEgressPositions() = %v, want %v", pos, expectedPositions[i][j])
}
}
}
}