How to use testFourColorsDecode method in wpt

Best JavaScript code snippet using wpt

image-decoder.any.js

Source:image-decoder.any.js

1// META: global=window,dedicatedworker2// META: script=/webcodecs/image-decoder-utils.js3function testFourColorsDecode(filename, mimeType) {4  return fetch(filename)5      .then(response => {6        let decoder = new ImageDecoder({data: response.body, type: mimeType});7        return decoder.decode();8      })9      .then(result => {10        assert_equals(result.image.displayWidth, 320);11        assert_equals(result.image.displayHeight, 240);12        let canvas = new OffscreenCanvas(13            result.image.displayWidth, result.image.displayHeight);14        let ctx = canvas.getContext('2d');15        ctx.drawImage(result.image, 0, 0);16        let top_left = toUInt32(ctx.getImageData(0, 0, 1, 1));17        assert_equals(top_left, 0xFFFF00FF, 'top left corner is yellow');18        let top_right =19            toUInt32(ctx.getImageData(result.image.displayWidth - 1, 0, 1, 1));20        assert_equals(top_right, 0xFF0000FF, 'top right corner is red');21        let bottom_left =22            toUInt32(ctx.getImageData(0, result.image.displayHeight - 1, 1, 1));23        assert_equals(bottom_left, 0x0000FFFF, 'bottom left corner is blue');24        let left_corner = toUInt32(ctx.getImageData(25            result.image.displayWidth - 1, result.image.displayHeight - 1, 1,26            1));27        assert_equals(left_corner, 0x00FF00FF, 'bottom right corner is green');28      });29}30promise_test(t => {31  return testFourColorsDecode('four-colors.jpg', 'image/jpeg');32}, 'Test JPEG image decoding.');33promise_test(t => {34  return testFourColorDecodeWithExifOrientation(1);35}, 'Test JPEG w/ EXIF orientation top-left.');36promise_test(t => {37  return testFourColorDecodeWithExifOrientation(2);38}, 'Test JPEG w/ EXIF orientation top-right.');39promise_test(t => {40  return testFourColorDecodeWithExifOrientation(3);41}, 'Test JPEG w/ EXIF orientation bottom-right.');42promise_test(t => {43  return testFourColorDecodeWithExifOrientation(4);44}, 'Test JPEG w/ EXIF orientation bottom-left.');45promise_test(t => {46  return testFourColorDecodeWithExifOrientation(5);47}, 'Test JPEG w/ EXIF orientation left-top.');48promise_test(t => {49  return testFourColorDecodeWithExifOrientation(6);50}, 'Test JPEG w/ EXIF orientation right-top.');51promise_test(t => {52  return testFourColorDecodeWithExifOrientation(7);53}, 'Test JPEG w/ EXIF orientation right-bottom.');54promise_test(t => {55  return testFourColorDecodeWithExifOrientation(8);56}, 'Test JPEG w/ EXIF orientation left-bottom.');57promise_test(t => {58  return testFourColorsDecode('four-colors.png', 'image/png');59}, 'Test PNG image decoding.');60promise_test(t => {61  return testFourColorsDecode('four-colors.avif', 'image/avif');62}, 'Test AVIF image decoding.');63promise_test(t => {64  return testFourColorsDecode('four-colors.webp', 'image/webp');65}, 'Test WEBP image decoding.');66promise_test(t => {67  return testFourColorsDecode('four-colors.gif', 'image/gif');68}, 'Test GIF image decoding.');69promise_test(t => {70  return fetch('four-colors.png').then(response => {71    let decoder = new ImageDecoder({data: response.body, type: 'junk/type'});72    return promise_rejects_dom(t, 'NotSupportedError', decoder.decode());73  });74}, 'Test invalid mime type rejects decode() requests');75promise_test(t => {76  return fetch('four-colors.png').then(response => {77    let decoder = new ImageDecoder({data: response.body, type: 'junk/type'});78    return promise_rejects_dom(79        t, 'NotSupportedError', decoder.decodeMetadata());80  });81}, 'Test invalid mime type rejects decodeMetadata() requests');

Using AI Code Generation

1var wpt = require('wpt');2var wpt = new WebPageTest('www.webpagetest.org');3}, function(err, data) {4    if (err) {5        console.log(err);6    } else {7        console.log(data);8    }9});10exports.testFourColorsDecode = function (file, callback) {11    var options = {12    };13    this._makeRequest(options, callback);14};15exports._makeRequest = function (options, callback) {16    http.get(options, function (res) {17        var body = '';18        res.on('data', function (chunk) {19            body += chunk;20        });21        res.on('end', function () {22            var data = JSON.parse(body);23            if (data.statusCode === 200) {24                callback(null, data);25            } else {26                callback(data, null);27            }28        });29    }).on('error', function (e) {30        callback(e, null);31    });32};33{ [Error: connect ECONNREFUSED

Using AI Code Generation

1var wptools = require('./wptools.js');2var fs = require('fs');3var data = fs.readFileSync('test.jpg');4var buf = new Buffer(data);5var img_data = wptools.decode(buf);6console.log(img_data);

Using AI Code Generation

1var wpt = require('webpagetest');2var test = new wpt('www.webpagetest.org', 'A.5e5c1b0e5f4d1f4e4d4a9b4f4b4d4b4');3test.testFourColorsDecode('www.google.com', {video: 1}, function(err, data) {4  if (err) return console.error(err);5  console.log(data);6});7var wpt = require('webpagetest');8var test = new wpt('www.webpagetest.org', 'A.5e5c1b0e5f4d1f4e4d4a9b4f4b4d4b4');9test.testFourColorsEncode('www.google.com', {video: 1}, function(err, data) {10  if (err) return console.error(err);11  console.log(data);12});13var wpt = require('webpagetest');14var test = new wpt('www.webpagetest.org', 'A.5e5c1b0e5f4d1f4e4d4a9b4f4b4d4b4');15test.testFourColors('www.google.com', {video: 1}, function(err, data) {16  if (err) return console.error(err);17  console.log(data);18});19var wpt = require('webpagetest');20var test = new wpt('www.webpagetest.org', 'A.5e5c1b0e5f4d1f4e4d4a9b4f4b4d4b4');21test.testFourK('www.google.com', {video: 1}, function(err, data) {22  if (err) return console.error(err);23  console.log(data);24});25var wpt = require('webpagetest');26var test = new wpt('www.webpagetest.org', 'A.5e5c1b0e5f4d1f4e

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