const { assert, skip, test, module: describe } = require('qunit');

const { GPU } = require('../../src');

describe('image');

function imageArgumentTest(mode, done) {

const gpu = new GPU({ mode });

const image = document.createElement('img');

image.src = 'jellyfish-1.jpeg';

image.onload = function() {

const imageKernel = gpu.createKernel(function(image) {

const pixel = image[this.thread.y][this.thread.x];

this.color(pixel[0], pixel[1], pixel[2], pixel[3]);

}, {

graphical: true,

output : [image.width, image.height]

});

imageKernel(image);

assert.equal(true, true, 'does not throw');

gpu.destroy();

done();

};

}

(typeof Image !== 'undefined' ? test : skip)('image argument auto', t => {

imageArgumentTest(null, t.async());

});

(typeof Image !== 'undefined' ? test : skip)('image argument gpu', t => {

imageArgumentTest('gpu', t.async());

});

(GPU.isWebGLSupported && typeof Image !== 'undefined' ? test : skip)('image argument webgl', t => {

imageArgumentTest('webgl', t.async());

});

(GPU.isWebGL2Supported && typeof Image !== 'undefined' ? test : skip)('image argument webgl2', t => {

imageArgumentTest('webgl2', t.async());

});

(typeof Image !== 'undefined' ? test : skip)('image argument cpu', t => {

imageArgumentTest('cpu', t.async());

});