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const PNGNode = require('../png-node');
const fs = require('fs');

const files = fs.readdirSync('test/images');

async function getPixels(Ctor, fileName) {
  const image = new Ctor(fs.readFileSync(`test/images/${fileName}`));
  return new Promise(resolve => {
    Ctor === PNGNode
      ? image.decodePixels(resolve)
      : resolve(image.decodePixels());
  });
}

describe('pixels', () => {
  describe('node', () => {
    test.each(files)('%s', async fileName => {
      const pixels = await getPixels(PNGNode, fileName);
      expect(pixels).toMatchSnapshot();
    });
  });

  describe('browser', () => {
    test.each(files)('%s', async fileName => {
      const pixels = await getPixels(PNG, fileName);
      expect(pixels).toMatchSnapshot();
    });
  });
});