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box_test.go
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box_test.go
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package chart
import (
"math"
"testing"
"github.com/wcharczuk/go-chart/v2/testutil"
)
func TestBoxClone(t *testing.T) {
// replaced new assertions helper
a := Box{Top: 5, Left: 5, Right: 15, Bottom: 15}
b := a.Clone()
testutil.AssertTrue(t, a.Equals(b))
testutil.AssertTrue(t, b.Equals(a))
}
func TestBoxEquals(t *testing.T) {
// replaced new assertions helper
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}
testutil.AssertTrue(t, a.Equals(a))
testutil.AssertTrue(t, a.Equals(c))
testutil.AssertTrue(t, c.Equals(a))
testutil.AssertFalse(t, a.Equals(b))
testutil.AssertFalse(t, c.Equals(b))
testutil.AssertFalse(t, b.Equals(a))
testutil.AssertFalse(t, b.Equals(c))
}
func TestBoxIsBiggerThan(t *testing.T) {
// replaced new assertions helper
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
testutil.AssertTrue(t, a.IsBiggerThan(b))
testutil.AssertFalse(t, a.IsBiggerThan(c))
testutil.AssertTrue(t, c.IsBiggerThan(a))
}
func TestBoxIsSmallerThan(t *testing.T) {
// replaced new assertions helper
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
testutil.AssertFalse(t, a.IsSmallerThan(b))
testutil.AssertTrue(t, a.IsSmallerThan(c))
testutil.AssertFalse(t, c.IsSmallerThan(a))
}
func TestBoxGrow(t *testing.T) {
// replaced new assertions helper
a := Box{Top: 1, Left: 2, Right: 15, Bottom: 15}
b := Box{Top: 4, Left: 5, Right: 30, Bottom: 35}
c := a.Grow(b)
testutil.AssertFalse(t, c.Equals(b))
testutil.AssertFalse(t, c.Equals(a))
testutil.AssertEqual(t, 1, c.Top)
testutil.AssertEqual(t, 2, c.Left)
testutil.AssertEqual(t, 30, c.Right)
testutil.AssertEqual(t, 35, c.Bottom)
}
func TestBoxFit(t *testing.T) {
// replaced new assertions helper
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)
testutil.AssertEqual(t, a.Left, fab.Left)
testutil.AssertEqual(t, a.Right, fab.Right)
testutil.AssertTrue(t, fab.Top < fab.Bottom)
testutil.AssertTrue(t, fab.Left < fab.Right)
testutil.AssertTrue(t, math.Abs(b.Aspect()-fab.Aspect()) < 0.02)
fac := a.Fit(c)
testutil.AssertEqual(t, a.Top, fac.Top)
testutil.AssertEqual(t, a.Bottom, fac.Bottom)
testutil.AssertTrue(t, math.Abs(c.Aspect()-fac.Aspect()) < 0.02)
}
func TestBoxConstrain(t *testing.T) {
// replaced new assertions helper
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)
testutil.AssertEqual(t, 64, cab.Top)
testutil.AssertEqual(t, 64, cab.Left)
testutil.AssertEqual(t, 192, cab.Right)
testutil.AssertEqual(t, 170, cab.Bottom)
cac := a.Constrain(c)
testutil.AssertEqual(t, 64, cac.Top)
testutil.AssertEqual(t, 64, cac.Left)
testutil.AssertEqual(t, 170, cac.Right)
testutil.AssertEqual(t, 192, cac.Bottom)
}
func TestBoxOuterConstrain(t *testing.T) {
// replaced new assertions helper
box := NewBox(0, 0, 100, 100)
canvas := NewBox(5, 5, 95, 95)
taller := NewBox(-10, 5, 50, 50)
c := canvas.OuterConstrain(box, taller)
testutil.AssertEqual(t, 15, c.Top, c.String())
testutil.AssertEqual(t, 5, c.Left, c.String())
testutil.AssertEqual(t, 95, c.Right, c.String())
testutil.AssertEqual(t, 95, c.Bottom, c.String())
wider := NewBox(5, 5, 110, 50)
d := canvas.OuterConstrain(box, wider)
testutil.AssertEqual(t, 5, d.Top, d.String())
testutil.AssertEqual(t, 5, d.Left, d.String())
testutil.AssertEqual(t, 85, d.Right, d.String())
testutil.AssertEqual(t, 95, d.Bottom, d.String())
}
func TestBoxShift(t *testing.T) {
// replaced new assertions helper
b := Box{
Top: 5,
Left: 5,
Right: 10,
Bottom: 10,
}
shifted := b.Shift(1, 2)
testutil.AssertEqual(t, 7, shifted.Top)
testutil.AssertEqual(t, 6, shifted.Left)
testutil.AssertEqual(t, 11, shifted.Right)
testutil.AssertEqual(t, 12, shifted.Bottom)
}
func TestBoxCenter(t *testing.T) {
// replaced new assertions helper
b := Box{
Top: 10,
Left: 10,
Right: 20,
Bottom: 30,
}
cx, cy := b.Center()
testutil.AssertEqual(t, 15, cx)
testutil.AssertEqual(t, 20, cy)
}
func TestBoxCornersCenter(t *testing.T) {
// replaced new assertions helper
bc := BoxCorners{
TopLeft: Point{5, 5},
TopRight: Point{15, 5},
BottomRight: Point{15, 15},
BottomLeft: Point{5, 15},
}
cx, cy := bc.Center()
testutil.AssertEqual(t, 10, cx)
testutil.AssertEqual(t, 10, cy)
}
func TestBoxCornersRotate(t *testing.T) {
// replaced new assertions helper
bc := BoxCorners{
TopLeft: Point{5, 5},
TopRight: Point{15, 5},
BottomRight: Point{15, 15},
BottomLeft: Point{5, 15},
}
rotated := bc.Rotate(45)
testutil.AssertTrue(t, rotated.TopLeft.Equals(Point{10, 3}), rotated.String())
}