'use strict';

var sharp = require('../../index');
var fixtures = require('../fixtures');

describe('Gamma correction', function() {

  it('value of 0.0 (disabled)', function(done) {
    sharp(fixtures.inputJpgWithGammaHoliness)
      .resize(129, 111)
      .toFile(fixtures.path('output.gamma-0.0.jpg'), done);
  });
  it('value of 2.2 (default)', function(done) {
    sharp(fixtures.inputJpgWithGammaHoliness)
      .resize(129, 111)
      .gamma()
      .toFile(fixtures.path('output.gamma-2.2.jpg'), done);
  });
  it('value of 3.0', function(done) {
    sharp(fixtures.inputJpgWithGammaHoliness)
      .resize(129, 111)
      .gamma(3)
      .toFile(fixtures.path('output.gamma-3.0.jpg'), done);
  });

});