Function TestBoxCopy

box_render_test.go:153–200

(t *testing.T)

}

func TestBoxCopy(t *testing.T) {
	t.Run("independent copies", func(t *testing.T) {
		original := NewBox().
			Padding(1, 2).
			Color(Red).
			TitleColor(Blue).
			ContentColor(Yellow).
			TitlePosition(Top).
			Style(Double).
			WrapContent(true).
			WrapLimit(30)
		original.TopLeft("[").TopRight("]").BottomLeft("{").BottomRight("}").Horizontal("-").Vertical("|")

		clone := original.Copy()
		if clone == nil {
			t.Fatalf("expected non-nil copy")
		}
		if clone == original {
			t.Fatalf("Copy should return a distinct pointer")
		}

		clone.Color(Green).Padding(5, 6).TitlePosition(Bottom).TopLeft("*")
		if original.color != Red {
			t.Fatalf("expected original color to remain Red, got %q", original.color)
		}
		if original.px != 1 || original.py != 2 {
			t.Fatalf("expected original padding (1,2), got (%d,%d)", original.px, original.py)
		}
		if original.titlePos != Top {
			t.Fatalf("expected original title position to stay Top, got %v", original.titlePos)
		}
		if original.topLeft != "[" {
			t.Fatalf("expected original topLeft to stay '[', got %q", original.topLeft)
		}

		original.Color(Magenta)
		if clone.color != Green {
			t.Fatalf("expected clone color to remain Green after mutating original, got %q", clone.color)
		}
	})

	t.Run("nil receiver", func(t *testing.T) {
		var b *Box
		if copy := b.Copy(); copy != nil {
			t.Fatalf("expected nil copy from nil receiver, got %#v", copy)
		}
	})
}

func TestHPaddingAndVPadding(t *testing.T) {
	b := NewBox().Padding(1, 2)