import {createHitDetectionImageData} from '../../../../../src/ol/render/canvas/hitdetect.js';
import {create} from '../../../../../src/ol/transform.js';
import Feature from '../../../../../src/ol/Feature.js';
import Point from '../../../../../src/ol/geom/Point.js';
import {Style} from '../../../../../src/ol/style.js';
import Circle from '../../../../../src/ol/style/Circle.js';

describe('hitdetect', function() {

  let features, styleFunction;

  beforeEach(function() {
    features = [
      new Feature(new Point([0, 75])),
      new Feature(new Point([0, 50])),
      new Feature(new Point([0, 25])),
      new Feature(new Point([0, 0]))
    ];
    styleFunction = function() {
      return new Style({
        image: new Circle({
          radius: 5
        })
      });
    };
  });

  it ('does not exceed the color range', function() {
    const imageData = createHitDetectionImageData([2, 2], [create()], features, styleFunction, [0, 0, 0, 0], 1, 0);
    expect(Array.prototype.slice.call(imageData.data, 0, 3)).to.eql([255, 255, 252]);
  });

});