package chart import ( "math" "testing" "github.co/blend/go-sdk/assert" ) func TestBoxClone(t *testing.T) { assert := assert.New(t) a := Box{Top: 5, Left: 5, Right: 15, Bottom: 15} b := a.Clone() assert.True(a.Equals(b)) assert.True(b.Equals(a)) } func TestBoxEquals(t *testing.T) { assert := assert.New(t) a := Box{Top: 5, Left: 5, Right: 15, Bottom: 15} b := Box{Top: 10, Left: 10, Right: 30, Bottom: 30} c := Box{Top: 5, Left: 5, Right: 15, Bottom: 15} assert.True(a.Equals(a)) assert.True(a.Equals(c)) assert.True(c.Equals(a)) assert.False(a.Equals(b)) assert.False(c.Equals(b)) assert.False(b.Equals(a)) assert.False(b.Equals(c)) } func TestBoxIsBiggerThan(t *testing.T) { assert := assert.New(t) a := Box{Top: 5, Left: 5, Right: 25, Bottom: 25} b := Box{Top: 10, Left: 10, Right: 20, Bottom: 20} // only half bigger c := Box{Top: 1, Left: 1, Right: 30, Bottom: 30} //bigger assert.True(a.IsBiggerThan(b)) assert.False(a.IsBiggerThan(c)) assert.True(c.IsBiggerThan(a)) } func TestBoxIsSmallerThan(t *testing.T) { assert := assert.New(t) a := Box{Top: 5, Left: 5, Right: 25, Bottom: 25} b := Box{Top: 10, Left: 10, Right: 20, Bottom: 20} // only half bigger c := Box{Top: 1, Left: 1, Right: 30, Bottom: 30} //bigger assert.False(a.IsSmallerThan(b)) assert.True(a.IsSmallerThan(c)) assert.False(c.IsSmallerThan(a)) } func TestBoxGrow(t *testing.T) { assert := assert.New(t) a := Box{Top: 1, Left: 2, Right: 15, Bottom: 15} b := Box{Top: 4, Left: 5, Right: 30, Bottom: 35} c := a.Grow(b) assert.False(c.Equals(b)) assert.False(c.Equals(a)) assert.Equal(1, c.Top) assert.Equal(2, c.Left) assert.Equal(30, c.Right) assert.Equal(35, c.Bottom) } func TestBoxFit(t *testing.T) { assert := assert.New(t) a := Box{Top: 64, Left: 64, Right: 192, Bottom: 192} b := Box{Top: 16, Left: 16, Right: 256, Bottom: 170} c := Box{Top: 16, Left: 16, Right: 170, Bottom: 256} fab := a.Fit(b) assert.Equal(a.Left, fab.Left) assert.Equal(a.Right, fab.Right) assert.True(fab.Top < fab.Bottom) assert.True(fab.Left < fab.Right) assert.True(math.Abs(b.Aspect()-fab.Aspect()) < 0.02) fac := a.Fit(c) assert.Equal(a.Top, fac.Top) assert.Equal(a.Bottom, fac.Bottom) assert.True(math.Abs(c.Aspect()-fac.Aspect()) < 0.02) } func TestBoxConstrain(t *testing.T) { assert := assert.New(t) a := Box{Top: 64, Left: 64, Right: 192, Bottom: 192} b := Box{Top: 16, Left: 16, Right: 256, Bottom: 170} c := Box{Top: 16, Left: 16, Right: 170, Bottom: 256} cab := a.Constrain(b) assert.Equal(64, cab.Top) assert.Equal(64, cab.Left) assert.Equal(192, cab.Right) assert.Equal(170, cab.Bottom) cac := a.Constrain(c) assert.Equal(64, cac.Top) assert.Equal(64, cac.Left) assert.Equal(170, cac.Right) assert.Equal(192, cac.Bottom) } func TestBoxOuterConstrain(t *testing.T) { assert := assert.New(t) box := NewBox(0, 0, 100, 100) canvas := NewBox(5, 5, 95, 95) taller := NewBox(-10, 5, 50, 50) c := canvas.OuterConstrain(box, taller) assert.Equal(15, c.Top, c.String()) assert.Equal(5, c.Left, c.String()) assert.Equal(95, c.Right, c.String()) assert.Equal(95, c.Bottom, c.String()) wider := NewBox(5, 5, 110, 50) d := canvas.OuterConstrain(box, wider) assert.Equal(5, d.Top, d.String()) assert.Equal(5, d.Left, d.String()) assert.Equal(85, d.Right, d.String()) assert.Equal(95, d.Bottom, d.String()) } func TestBoxShift(t *testing.T) { assert := assert.New(t) b := Box{ Top: 5, Left: 5, Right: 10, Bottom: 10, } shifted := b.Shift(1, 2) assert.Equal(7, shifted.Top) assert.Equal(6, shifted.Left) assert.Equal(11, shifted.Right) assert.Equal(12, shifted.Bottom) } func TestBoxCenter(t *testing.T) { assert := assert.New(t) b := Box{ Top: 10, Left: 10, Right: 20, Bottom: 30, } cx, cy := b.Center() assert.Equal(15, cx) assert.Equal(20, cy) } func TestBoxCornersCenter(t *testing.T) { assert := assert.New(t) bc := BoxCorners{ TopLeft: Point{5, 5}, TopRight: Point{15, 5}, BottomRight: Point{15, 15}, BottomLeft: Point{5, 15}, } cx, cy := bc.Center() assert.Equal(10, cx) assert.Equal(10, cy) } func TestBoxCornersRotate(t *testing.T) { assert := assert.New(t) bc := BoxCorners{ TopLeft: Point{5, 5}, TopRight: Point{15, 5}, BottomRight: Point{15, 15}, BottomLeft: Point{5, 15}, } rotated := bc.Rotate(45) assert.True(rotated.TopLeft.Equals(Point{10, 3}), rotated.String()) }