You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
1.2 KiB
Go
77 lines
1.2 KiB
Go
package math
|
|
|
|
import "testing"
|
|
|
|
func TestShoelaceArea(t *testing.T) {
|
|
tests := []struct {
|
|
name string
|
|
polygon []Point
|
|
want float64
|
|
}{
|
|
{
|
|
name: "Triangle",
|
|
polygon: []Point{
|
|
{X: 0, Y: 0},
|
|
{X: 0, Y: 4},
|
|
{X: 3, Y: 0},
|
|
},
|
|
want: 6.0,
|
|
},
|
|
{
|
|
name: "Quadrilateral",
|
|
polygon: []Point{
|
|
{X: 0, Y: 0},
|
|
{X: 0, Y: 4},
|
|
{X: 3, Y: 4},
|
|
{X: 3, Y: 0},
|
|
},
|
|
want: 12.0,
|
|
},
|
|
{
|
|
name: "Invalid Polygon",
|
|
polygon: []Point{
|
|
{X: 0, Y: 0},
|
|
{X: 0, Y: 4},
|
|
},
|
|
want: 0.0,
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
got := ShoelaceArea(tt.polygon)
|
|
if got != tt.want {
|
|
t.Errorf("ShoelaceArea() = %v, want %v", got, tt.want)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestFloodFill(t *testing.T) {
|
|
matrix := Matrix[int64]{
|
|
{1, 1, 1, 1},
|
|
{1, 0, 0, 1},
|
|
{1, 0, 0, 1},
|
|
{1, 1, 1, 1},
|
|
}
|
|
row := 1
|
|
col := 1
|
|
prevColor := int64(0)
|
|
newColor := int64(2)
|
|
height := 4
|
|
width := 4
|
|
|
|
floodFill(matrix, row, col, prevColor, newColor, height, width)
|
|
|
|
expectedMatrix := Matrix[int64]{
|
|
{1, 1, 1, 1},
|
|
{1, 2, 2, 1},
|
|
{1, 2, 2, 1},
|
|
{1, 1, 1, 1},
|
|
}
|
|
|
|
if !matrix.Equal(expectedMatrix) {
|
|
t.Errorf("FloodFill() failed, expected matrix: %v, got: %v", expectedMatrix, matrix)
|
|
}
|
|
}
|