diff options
Diffstat (limited to 'testing/web-platform/tests/encrypted-media/util')
5 files changed, 673 insertions, 0 deletions
diff --git a/testing/web-platform/tests/encrypted-media/util/clearkey-messagehandler.js b/testing/web-platform/tests/encrypted-media/util/clearkey-messagehandler.js new file mode 100644 index 0000000000..c91a57f6d4 --- /dev/null +++ b/testing/web-platform/tests/encrypted-media/util/clearkey-messagehandler.js @@ -0,0 +1,64 @@ +// Expect utf8decoder and utf8decoder to be TextEncoder('utf-8') and TextDecoder('utf-8') respectively + +function MessageHandler( keysystem, content ) { + this._keysystem = keysystem; + this._content = content; + this.messagehandler = MessageHandler.prototype.messagehandler.bind( this ); + this.servercertificate = undefined; +} + +MessageHandler.prototype.messagehandler = function messagehandler( messageType, message ) +{ + if ( messageType === 'license-request' ) + { + var request = fromUtf8( message ); + + var keys = request.kids.map( function( kid ) { + + var key; + for( var i=0; i < this._content.keys.length; ++i ) + { + if ( base64urlEncode( this._content.keys[ i ].kid ) === kid ) + { + key = base64urlEncode( this._content.keys[ i ].key ); + break; + } + } + + return { kty: 'oct', kid: kid, k: key }; + + }.bind( this ) ); + + return Promise.resolve( toUtf8( { keys: keys } ) ); + } + else if ( messageType === 'license-release' ) + { + var release = fromUtf8( message ); + + // TODO: Check the license release message here + + return Promise.resolve( toUtf8( { kids: release.kids } ) ); + } + + throw new TypeError( 'Unsupported message type for ClearKey' ); +}; + +MessageHandler.prototype.createJWKSet = function createJWKSet(keyId, key) { + var jwkSet = '{"keys":['; + for (var i = 0; i < arguments.length; i++) { + if (i != 0) + jwkSet += ','; + jwkSet += arguments[i]; + } + jwkSet += ']}'; + return jwkSet; +}; + +MessageHandler.prototype.createJWK = function createJWK(keyId, key) { + var jwk = '{"kty":"oct","alg":"A128KW","kid":"'; + jwk += base64urlEncode(keyId); + jwk += '","k":"'; + jwk += base64urlEncode(key); + jwk += '"}'; + return jwk; +};
\ No newline at end of file diff --git a/testing/web-platform/tests/encrypted-media/util/drm-messagehandler.js b/testing/web-platform/tests/encrypted-media/util/drm-messagehandler.js new file mode 100644 index 0000000000..5c5577c6d6 --- /dev/null +++ b/testing/web-platform/tests/encrypted-media/util/drm-messagehandler.js @@ -0,0 +1,265 @@ +(function(){ +// Expect utf8decoder and utf8decoder to be TextEncoder('utf-8') and TextDecoder('utf-8') respectively +// +// drmconfig format: +// { <keysystem> : { "serverURL" : <the url for the server>, +// "httpRequestHeaders" : <map of HTTP request headers>, +// "servertype" : "microsoft" | "drmtoday", // affects how request parameters are formed +// "certificate" : <base64 encoded server certificate> } } +// + +drmtodaysecret = Uint8Array.from( [144, 34, 109, 76, 134, 7, 97, 107, 98, 251, 140, 28, 98, 79, 153, 222, 231, 245, 154, 226, 193, 1, 213, 207, 152, 204, 144, 15, 13, 2, 37, 236] ); + +drmconfig = { + "com.widevine.alpha": [ { + "serverURL": "https://lic.staging.drmtoday.com/license-proxy-widevine/cenc/", + "servertype" : "drmtoday", + "merchant" : "w3c-eme-test", + "secret" : drmtodaysecret + } ], + "com.microsoft.playready": [ { + "serverURL": "http://playready-testserver.azurewebsites.net/rightsmanager.asmx", + "servertype": "microsoft", + "sessionTypes" : [ "persistent-usage-record" ], + "certificate" : "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" + }, + { + "serverURL": "http://playready.directtaps.net/pr/svc/rightsmanager.asmx", + "servertype": "microsoft", + "sessionTypes" : [ "persistent-usage-record" ], + "certificate" : "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" + }, + { + "serverURL": "https://lic.staging.drmtoday.com/license-proxy-headerauth/drmtoday/RightsManager.asmx", + "servertype" : "drmtoday", + "sessionTypes" : [ "temporary", "persistent-usage-record", "persistent-license" ], + "merchant" : "w3c-eme-test", + "secret" : drmtodaysecret + } ] +}; + + +var keySystemWrappers = { + // Key System wrappers map messages and pass to a handler, then map the response and return to caller + // + // function wrapper(handler, messageType, message, params) + // + // where: + // Promise<response> handler(messageType, message, responseType, headers, params); + // + + 'com.widevine.alpha': function(handler, messageType, message, params) { + return handler.call(this, messageType, new Uint8Array(message), 'json', null, params).then(function(response){ + return base64DecodeToUnit8Array(response.license); + }); + }, + + 'com.microsoft.playready': function(handler, messageType, message, params) { + var msg, xmlDoc; + var licenseRequest = null; + var headers = {}; + var parser = new DOMParser(); + var dataview = new Uint16Array(message); + + msg = String.fromCharCode.apply(null, dataview); + xmlDoc = parser.parseFromString(msg, 'application/xml'); + + if (xmlDoc.getElementsByTagName('Challenge')[0]) { + var challenge = xmlDoc.getElementsByTagName('Challenge')[0].childNodes[0].nodeValue; + if (challenge) { + licenseRequest = atob(challenge); + } + } + + var headerNameList = xmlDoc.getElementsByTagName('name'); + var headerValueList = xmlDoc.getElementsByTagName('value'); + for (var i = 0; i < headerNameList.length; i++) { + headers[headerNameList[i].childNodes[0].nodeValue] = headerValueList[i].childNodes[0].nodeValue; + } + // some versions of the PlayReady CDM return 'Content' instead of 'Content-Type', + // but the license server expects 'Content-Type', so we fix it up here. + if (headers.hasOwnProperty('Content')) { + headers['Content-Type'] = headers.Content; + delete headers.Content; + } + + return handler.call(this, messageType, licenseRequest, 'arraybuffer', headers, params).catch(function(response){ + return response.text().then( function( error ) { throw error; } ); + }); + } +}; + +const requestConstructors = { + // Server request construction functions + // + // Promise<request> constructRequest(config, sessionType, content, messageType, message, params) + // + // request = { url: ..., headers: ..., body: ... } + // + // content = { assetId: ..., variantId: ..., key: ... } + // params = { expiration: ... } + + 'drmtoday': function(config, sessionType, content, messageType, message, headers, params) { + var optData = JSON.stringify({merchant: config.merchant, userId:"12345", sessionId:""}); + var crt = {}; + if (messageType === 'license-request') { + crt = {assetId: content.assetId, + outputProtection: {digital : false, analogue: false, enforce: false}, + storeLicense: (sessionType === 'persistent-license')}; + + if (!params || (params.expiration === undefined && params.playDuration === undefined)) { + crt.profile = {purchase: {}}; + } else { + var expiration = params.expiration || (Date.now().valueOf() + 3600000), + playDuration = params.playDuration || 3600000; + + crt.profile = {rental: {absoluteExpiration: (new Date(expiration)).toISOString(), + playDuration: playDuration } }; + } + + if (content.variantId !== undefined) { + crt.variantId = content.variantId; + } + } + + return JWT.encode("HS256", {optData: optData, crt: JSON.stringify([crt])}, config.secret).then(function(jwt){ + headers = headers || {}; + headers['x-dt-auth-token'] = jwt; + return {url: config.serverURL, headers: headers, body: message}; + }); + }, + + 'microsoft': function(config, sessionType, content, messageType, message, headers, params) { + var url = config.serverURL; + if (messageType === 'license-request') { + url += "?"; + if (sessionType === 'temporary' || sessionType === 'persistent-usage-record') { + url += "UseSimpleNonPersistentLicense=1&"; + } + if (sessionType === 'persistent-usage-record') { + url += "SecureStop=1&"; + } + url += "PlayEnablers=B621D91F-EDCC-4035-8D4B-DC71760D43E9&"; // disable output protection + url += "ContentKey=" + btoa(String.fromCharCode.apply(null, content.key)); + return url; + } + + // TODO: Include expiration time in URL + return Promise.resolve({url: url, headers: headers, body: message}); + } +}; + +MessageHandler = function(keysystem, content, sessionType) { + sessionType = sessionType || "temporary"; + + this._keysystem = keysystem; + this._content = content; + this._sessionType = sessionType; + try { + this._drmconfig = drmconfig[this._keysystem].filter(function(drmconfig) { + return drmconfig.sessionTypes === undefined || (drmconfig.sessionTypes.indexOf(sessionType) !== -1); + })[0]; + this._requestConstructor = requestConstructors[this._drmconfig.servertype]; + + this.messagehandler = keySystemWrappers[keysystem].bind(this, MessageHandler.prototype.messagehandler); + + if (this._drmconfig && this._drmconfig.certificate) { + this.servercertificate = stringToUint8Array(atob(this._drmconfig.certificate)); + } + } catch(e) { + return null; + } +} + +MessageHandler.prototype.messagehandler = function messagehandler(messageType, message, responseType, headers, params) { + + var variantId = params ? params.variantId : undefined; + var key; + if( variantId ) { + var keys = this._content.keys.filter(function(k){return k.variantId === variantId;}); + if (keys[0]) key = keys[0].key; + } + if (!key) { + key = this._content.keys[0].key; + } + + var content = {assetId: this._content.assetId, + variantId: variantId, + key: key}; + + return this._requestConstructor(this._drmconfig, this._sessionType, content, messageType, message, headers, params).then(function(request){ + return fetch(request.url, { + method: 'POST', + headers: request.headers, + body: request.body }); + }).then(function(fetchresponse){ + if(fetchresponse.status !== 200) { + throw fetchresponse; + } + + if(responseType === 'json') { + return fetchresponse.json(); + } else if(responseType === 'arraybuffer') { + return fetchresponse.arrayBuffer(); + } + }); +} + +})(); + +(function() { + + var subtlecrypto = window.crypto.subtle; + + // Encoding / decoding utilities + function b64pad(b64) { return b64+"==".substr(0,(b64.length%4)?(4-b64.length%4):0); } + function str2b64url(str) { return btoa(str).replace(/=+$/g, '').replace(/\+/g, "-").replace(/\//g, "_"); } + function b64url2str(b64) { return atob(b64pad(b64.replace(/\-/g, "+").replace(/\_/g, "/"))); } + function str2ab(str) { return Uint8Array.from( str.split(''), function(s){return s.charCodeAt(0)} ); } + function ab2str(ab) { return String.fromCharCode.apply(null, new Uint8Array(ab)); } + + function jwt2webcrypto(alg) { + if (alg === "HS256") return {name: "HMAC", hash: "SHA-256", length: 256}; + else if (alg === "HS384") return { name: "HMAC", hash: "SHA-384", length: 384}; + else if (alg === "HS512") return { name: "HMAC", hash: "SHA-512", length: 512}; + else throw new Error("Unrecognized JWT algorithm: " + alg); + } + + JWT = { + encode: function encode(alg, claims, secret) { + var algorithm = jwt2webcrypto(alg); + if (secret.byteLength !== algorithm.length / 8) throw new Error("Unexpected secret length: " + secret.byteLength); + + if (!claims.iat) claims.iat = ((Date.now() / 1000) | 0) - 60; + if (!claims.jti) { + var nonce = new Uint8Array(16); + window.crypto.getRandomValues(nonce); + claims.jti = str2b64url( ab2str(nonce) ); + } + + var header = {typ: "JWT", alg: alg}; + var plaintext = str2b64url(JSON.stringify(header)) + '.' + str2b64url(JSON.stringify(claims)); + return subtlecrypto.importKey("raw", secret, algorithm, false, [ "sign" ]).then( function(key) { + return subtlecrypto.sign(algorithm, key, str2ab(plaintext)); + }).then(function(hmac){ + return plaintext + '.' + str2b64url(ab2str(hmac)); + }); + }, + + decode: function decode(jwt, secret) { + var jwtparts = jwt.split('.'); + var header = JSON.parse( b64url2str(jwtparts[0])); + var claims = JSON.parse( b64url2str(jwtparts[1])); + var hmac = str2ab(b64url2str(jwtparts[2])); + var algorithm = jwt2webcrypto(header.alg); + if (secret.byteLength !== algorithm.length / 8) throw new Error("Unexpected secret length: " + secret.byteLength); + + return subtlecrypto.importKey("raw", secret, algorithm, false, ["sign", "verify"]).then(function(key) { + return subtlecrypto.verify(algorithm, key, hmac, str2ab(jwtparts[0] + '.' + jwtparts[1])); + }).then(function(success){ + if (!success) throw new Error("Invalid signature"); + return claims; + }); + } + }; +})(); diff --git a/testing/web-platform/tests/encrypted-media/util/testmediasource.js b/testing/web-platform/tests/encrypted-media/util/testmediasource.js new file mode 100644 index 0000000000..47cfeb4512 --- /dev/null +++ b/testing/web-platform/tests/encrypted-media/util/testmediasource.js @@ -0,0 +1,49 @@ +function testmediasource(config) { + + return new Promise(function(resolve, reject) { + // Fetch the media resources + var fetches = [config.audioPath, config.videoPath].map(function(path) { + return fetch(path).then(function(response) { + if (!response.ok) throw new Error('Resource fetch failed'); + return response.arrayBuffer(); + }); + }); + + Promise.all(fetches).then(function(resources) { + config.audioMedia = resources[0]; + config.videoMedia = resources[1]; + + // Create media source + var source = new MediaSource(); + source.done = new Promise(function(resolvesource,rejectsource){ + + // Create and fill source buffers when the media source is opened + source.addEventListener('sourceopen', onSourceOpen); + resolve(source); + + function onSourceOpen(event) { + var audioSourceBuffer = source.addSourceBuffer(config.audioType), + videoSourceBuffer = source.addSourceBuffer(config.videoType); + + audioSourceBuffer.addEventListener('updateend',onUpdateEnd); + videoSourceBuffer.addEventListener('updateend',onUpdateEnd); + + audioSourceBuffer.appendBuffer(config.audioMedia); + videoSourceBuffer.appendBuffer(config.videoMedia); + + function onUpdateEnd(event){ + event.target.removeEventListener('updateend', onUpdateEnd); + if (!audioSourceBuffer.updating && !videoSourceBuffer.updating) { + if (source.readyState !== 'open') { + rejectsource(new Error("Media source error")); + } else { + source.endOfStream(); + resolvesource(); + } + } + } + } + }); + }); + }); +} diff --git a/testing/web-platform/tests/encrypted-media/util/utf8.js b/testing/web-platform/tests/encrypted-media/util/utf8.js new file mode 100644 index 0000000000..aea5ad7626 --- /dev/null +++ b/testing/web-platform/tests/encrypted-media/util/utf8.js @@ -0,0 +1,2 @@ +toUtf8 = function( o ) { return new TextEncoder().encode( JSON.stringify( o ) ); } +fromUtf8 = function( t ) { return JSON.parse( new TextDecoder().decode( t ) ); } diff --git a/testing/web-platform/tests/encrypted-media/util/utils.js b/testing/web-platform/tests/encrypted-media/util/utils.js new file mode 100644 index 0000000000..79f8c7ea6d --- /dev/null +++ b/testing/web-platform/tests/encrypted-media/util/utils.js @@ -0,0 +1,293 @@ +function testnamePrefix( qualifier, keysystem ) { + return ( qualifier || '' ) + ( keysystem === 'org.w3.clearkey' ? keysystem : 'drm' ); +} + +function getInitData(initDataType) { + + // FIXME: This is messed up, because here we are hard coding the key ids for the different content + // that we use for clearkey testing: webm and mp4. For keyids we return the mp4 one + // + // The content used with the DRM today servers has a different key id altogether + + if (initDataType == 'webm') { + return new Uint8Array([ + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F + ]); + } + + if (initDataType == 'cenc') { + return new Uint8Array([ + 0x00, 0x00, 0x00, 0x34, // size + 0x70, 0x73, 0x73, 0x68, // 'pssh' + 0x01, // version = 1 + 0x00, 0x00, 0x00, // flags + 0x10, 0x77, 0xEF, 0xEC, 0xC0, 0xB2, 0x4D, 0x02, // Common SystemID + 0xAC, 0xE3, 0x3C, 0x1E, 0x52, 0xE2, 0xFB, 0x4B, + 0x00, 0x00, 0x00, 0x01, // key count + 0x00, 0x00, 0x00, 0x00, 0x03, 0xd2, 0xfc, 0x41, // key id + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00 // datasize + ]); + } + if (initDataType == 'keyids') { + var keyId = new Uint8Array([ + 0x00, 0x00, 0x00, 0x00, 0x03, 0xd2, 0xfc, 0x41, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + ]); + return stringToUint8Array(createKeyIDs(keyId)); + } + throw 'initDataType ' + initDataType + ' not supported.'; +} + +function stringToUint8Array(str) +{ + var result = new Uint8Array(str.length); + for(var i = 0; i < str.length; i++) { + result[i] = str.charCodeAt(i); + } + return result; +} +// Encodes |data| into base64url string. There is no '=' padding, and the +// characters '-' and '_' must be used instead of '+' and '/', respectively. +function base64urlEncode(data) { + var result = btoa(String.fromCharCode.apply(null, data)); + return result.replace(/=+$/g, '').replace(/\+/g, "-").replace(/\//g, "_"); +} +// Decode |encoded| using base64url decoding. +function base64urlDecode(encoded) { + return atob(encoded.replace(/\-/g, "+").replace(/\_/g, "/")); +} +// Decode |encoded| using base64 to a Uint8Array +function base64DecodeToUnit8Array(encoded) { + return new Uint8Array( atob( encoded ).split('').map( function(c){return c.charCodeAt(0);} ) ); +} +// Clear Key can also support Key IDs Initialization Data. +// ref: http://w3c.github.io/encrypted-media/keyids-format.html +// Each parameter is expected to be a key id in an Uint8Array. +function createKeyIDs() { + var keyIds = '{"kids":["'; + for (var i = 0; i < arguments.length; i++) { + if (i != 0) keyIds += '","'; + keyIds += base64urlEncode(arguments[i]); + } + keyIds += '"]}'; + return keyIds; +} + +function getSupportedKeySystem() { + var userAgent = navigator.userAgent.toLowerCase(); + var keysystem = undefined; + if (userAgent.indexOf('edge') > -1 ) { + keysystem = 'com.microsoft.playready'; + } else if ( userAgent.indexOf('chrome') > -1 || userAgent.indexOf('firefox') > -1 ) { + keysystem = 'com.widevine.alpha'; + } + return keysystem; +} + +function waitForEventAndRunStep(eventName, element, func, stepTest) +{ + var eventCallback = function(event) { + if (func) + func(event); + } + + element.addEventListener(eventName, stepTest.step_func(eventCallback), true); +} + +function waitForEvent(eventName, element) { + return new Promise(function(resolve) { + element.addEventListener(eventName, resolve, true); + }) +} + +var consoleDiv = null; + +function consoleWrite(text) +{ + if (!consoleDiv && document.body) { + consoleDiv = document.createElement('div'); + document.body.appendChild(consoleDiv); + } + var span = document.createElement('span'); + span.appendChild(document.createTextNode(text)); + span.appendChild(document.createElement('br')); + consoleDiv.appendChild(span); +} + +function forceTestFailureFromPromise(test, error, message) +{ + test.step_func(assert_unreached)(message ? message + ': ' + error.message : error); +} + +// Returns an array of audioCapabilities that includes entries for a set of +// codecs that should cover all user agents. +function getPossibleAudioCapabilities() +{ + return [ + { contentType: 'audio/mp4; codecs="mp4a.40.2"' }, + { contentType: 'audio/webm; codecs="opus"' }, + ]; +} + +// Returns a trivial MediaKeySystemConfiguration that should be accepted, +// possibly as a subset of the specified capabilities, by all user agents. +function getSimpleConfiguration() +{ + return [ { + initDataTypes : [ 'webm', 'cenc', 'keyids' ], + audioCapabilities: getPossibleAudioCapabilities() + } ]; +} + +// Returns a MediaKeySystemConfiguration for |initDataType| that should be +// accepted, possibly as a subset of the specified capabilities, by all +// user agents. +function getSimpleConfigurationForInitDataType(initDataType) +{ + return [ { + initDataTypes: [ initDataType ], + audioCapabilities: getPossibleAudioCapabilities() + } ]; +} + +// Returns a promise that is fulfilled with true if |initDataType| is supported, +// by keysystem or false if not. +function isInitDataTypeSupported(keysystem,initDataType) +{ + return navigator.requestMediaKeySystemAccess( + keysystem, getSimpleConfigurationForInitDataType(initDataType)) + .then(function() { return true; }, function() { return false; }); +} + +function getSupportedInitDataTypes( keysystem ) +{ + return [ 'cenc', 'keyids', 'webm' ].filter( isInitDataTypeSupported.bind( null, keysystem ) ); +} + +function arrayBufferAsString(buffer) +{ + var array = []; + Array.prototype.push.apply( array, new Uint8Array( buffer ) ); + return '0x' + array.map( function( x ) { return x < 16 ? '0'+x.toString(16) : x.toString(16); } ).join(''); +} + +function dumpKeyStatuses(keyStatuses,short) +{ + var userAgent = navigator.userAgent.toLowerCase(); + if (userAgent.indexOf('edge') === -1) { + if (!short) { consoleWrite("for (var entry of keyStatuses)"); } + for (var entry of keyStatuses) { + consoleWrite(arrayBufferAsString(entry[0]) + ": " + entry[1]); + } + if (!short) { + consoleWrite("for (var keyId of keyStatuses.keys())"); + for (var keyId of keyStatuses.keys()) { + consoleWrite(arrayBufferAsString(keyId)); + } + consoleWrite("for (var status of keyStatuses.values())"); + for (var status of keyStatuses.values()) { + consoleWrite(status); + } + consoleWrite("for (var entry of keyStatuses.entries())"); + for (var entry of keyStatuses.entries()) { + consoleWrite(arrayBufferAsString(entry[0]) + ": " + entry[1]); + } + consoleWrite("keyStatuses.forEach()"); + keyStatuses.forEach(function(status, keyId) { + consoleWrite(arrayBufferAsString(keyId) + ": " + status); + }); + } + } else { + if (!short) { consoleWrite("keyStatuses.forEach()"); } + keyStatuses.forEach(function(keyId, status) { + consoleWrite(arrayBufferAsString(keyId) + ": " + status); + }); + } +} + +// Verify that |keyStatuses| contains just the keys in |keys.expected| +// and none of the keys in |keys.unexpected|. All keys should have status +// 'usable'. Example call: verifyKeyStatuses(mediaKeySession.keyStatuses, +// { expected: [key1], unexpected: [key2] }); +function verifyKeyStatuses(keyStatuses, keys) +{ + var expected = keys.expected || []; + var unexpected = keys.unexpected || []; + + // |keyStatuses| should have same size as number of |keys.expected|. + assert_equals(keyStatuses.size, expected.length, "keystatuses should have expected size"); + + // All |keys.expected| should be found. + expected.map(function(key) { + assert_true(keyStatuses.has(key), "keystatuses should have the expected keys"); + assert_equals(keyStatuses.get(key), 'usable', "keystatus value should be 'usable'"); + }); + + // All |keys.unexpected| should not be found. + unexpected.map(function(key) { + assert_false(keyStatuses.has(key), "keystatuses should not have unexpected keys"); + assert_equals(keyStatuses.get(key), undefined, "keystatus for unexpected key should be undefined"); + }); +} + +// This function checks that calling |testCase.func| returns a +// rejected Promise with the error.name equal to +// |testCase.exception|. +function test_exception(testCase /*...*/) { + var func = testCase.func; + var exception = testCase.exception; + var args = Array.prototype.slice.call(arguments, 1); + + // This should really be rewritten in terms of the promise_rejects_* + // testharness utility functions, but that needs the async test involved + // passed in, and we don't have that here. + return func.apply(null, args).then( + function (result) { + assert_unreached(format_value(func)); + }, + function (error) { + assert_not_equals(error.message, "", format_value(func)); + // `exception` is a string name for the error. We can differentiate + // JS Errors from DOMExceptions by checking whether + // window[exception] exists. If it does, expectedError is the name + // of a JS Error subclass and window[exception] is the constructor + // for that subclass. Otherwise it's a name for a DOMException. + if (window[exception]) { + assert_throws_js(window[exception], + () => { throw error; }, + format_value(func)); + } else { + assert_throws_dom(exception, + () => { throw error; }, + format_value(func)); + } + } + ); +} + +// Check that the events sequence (array of strings) matches the pattern (array of either strings, or +// arrays of strings, with the latter representing a possibly repeating sub-sequence) +function checkEventSequence(events,pattern) { + function th(i) { return i + (i < 4 ? ["th", "st", "nd", "rd"][i] : "th"); } + var i = 0, j=0, k=0; + while(i < events.length && j < pattern.length) { + if (!Array.isArray(pattern[j])) { + assert_equals(events[i], pattern[j], "Expected " + th(i+1) + " event to be '" + pattern[j] + "'"); + ++i; + ++j; + } else { + assert_equals(events[i], pattern[j][k], "Expected " + th(i+1) + " event to be '" + pattern[j][k] + "'"); + ++i; + k = (k+1)%pattern[j].length; + if (k === 0 && events[i] !== pattern[j][0]) { + ++j; + } + } + } + assert_equals(i,events.length,"Received more events than expected"); + assert_equals(j,pattern.length,"Expected more events than received"); +} + + |