How to use the fonteditor-core/graphics/computeBoundingBox.quadraticBezier function in fonteditor-core

it('test quadraticBezier', function () {

        let result = computeBoundingBox.quadraticBezier(p0, p0, p0);
        assert.deepEqual(result, {
            x: 50,
            y: 50,
            width: 0,
            height: 0
        });

        result = computeBoundingBox.quadraticBezier(p0, p0, p1);
        assert.deepEqual(result, {
            x: 50,
            y: 50,
            width: 50,
            height: 50
        });

        result = computeBoundingBox.quadraticBezier(p0, c0, p1);

it('test quadraticBezier', function () {

        let result = computeBoundingBox.quadraticBezier(p0, p0, p0);
        assert.deepEqual(result, {
            x: 50,
            y: 50,
            width: 0,
            height: 0
        });

        result = computeBoundingBox.quadraticBezier(p0, p0, p1);
        assert.deepEqual(result, {
            x: 50,
            y: 50,
            width: 50,
            height: 50
        });

        result = computeBoundingBox.quadraticBezier(p0, c0, p1);
        assert.deepEqual(result, {
            x: 50,
            y: 50,
            width: 50,
            height: 50
        });

        result = computeBoundingBox.quadraticBezier(p0, c1, p1);

assert.deepEqual(result, {
            x: 50,
            y: 50,
            width: 0,
            height: 0
        });

        result = computeBoundingBox.quadraticBezier(p0, p0, p1);
        assert.deepEqual(result, {
            x: 50,
            y: 50,
            width: 50,
            height: 50
        });

        result = computeBoundingBox.quadraticBezier(p0, c0, p1);
        assert.deepEqual(result, {
            x: 50,
            y: 50,
            width: 50,
            height: 50
        });

        result = computeBoundingBox.quadraticBezier(p0, c1, p1);
        assert.deepEqual(result, {
            x: 50,
            y: 50,
            width: 90,
            height: 90
        });
    });

assert.deepEqual(result, {
            x: 50,
            y: 50,
            width: 50,
            height: 50
        });

        result = computeBoundingBox.quadraticBezier(p0, c0, p1);
        assert.deepEqual(result, {
            x: 50,
            y: 50,
            width: 50,
            height: 50
        });

        result = computeBoundingBox.quadraticBezier(p0, c1, p1);
        assert.deepEqual(result, {
            x: 50,
            y: 50,
            width: 90,
            height: 90
        });
    });