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package main
import (
"testing"
)
func TestPerimeter(t *testing.T) {
rectangle := Rectangle{10.0, 10.0}
got := Perimeter(rectangle)
want := 40.0
if got != want {
t.Errorf("got %.2f want %.2f", got, want)
}
}
func TestArea(t *testing.T) {
tests := []struct {
name string
shape Shape
expected float64
}{
{name: "rectangles", shape: Rectangle{Width: 12, Height: 6}, expected: 72.0},
{name: "circles", shape: Circle{Radius: 10}, expected: 314.1592653589793},
{name: "triangles", shape: Triangle{Base: 12, Height: 6}, expected: 36.0},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
got := test.shape.Area()
if got != test.expected {
t.Errorf("got %g want %g", got, test.expected)
}
})
}
}
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