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How to use exposed_in method in wpt
Best JavaScript code snippet using wpt
idlharness.js
Source:idlharness.js 
...415 set = [ set ];416 }417 return set;418}419function exposed_in(globals) {420 if ('document' in self) {421 return globals.indexOf("Window") >= 0;422 }423 if ('DedicatedWorkerGlobalScope' in self &&424 self instanceof DedicatedWorkerGlobalScope) {425 return globals.indexOf("Worker") >= 0 ||426 globals.indexOf("DedicatedWorker") >= 0;427 }428 if ('SharedWorkerGlobalScope' in self &&429 self instanceof SharedWorkerGlobalScope) {430 return globals.indexOf("Worker") >= 0 ||431 globals.indexOf("SharedWorker") >= 0;432 }433 if ('ServiceWorkerGlobalScope' in self &&434 self instanceof ServiceWorkerGlobalScope) {435 return globals.indexOf("Worker") >= 0 ||436 globals.indexOf("ServiceWorker") >= 0;437 }438 throw "Unexpected global object";439}440//@}441IdlArray.prototype.test = function()442//@{443{444 /** Entry point. See documentation at beginning of file. */445 // First merge in all the partial interfaces and implements statements we446 // encountered.447 this.partials.forEach(function(parsed_idl)448 {449 if (!(parsed_idl.name in this.members)450 || !(this.members[parsed_idl.name] instanceof IdlInterface))451 {452 throw "Partial interface " + parsed_idl.name + " with no original interface";453 }454 if (parsed_idl.extAttrs)455 {456 parsed_idl.extAttrs.forEach(function(extAttr)457 {458 this.members[parsed_idl.name].extAttrs.push(extAttr);459 }.bind(this));460 }461 parsed_idl.members.forEach(function(member)462 {463 this.members[parsed_idl.name].members.push(new IdlInterfaceMember(member));464 }.bind(this));465 }.bind(this));466 this.partials = [];467 for (var lhs in this["implements"])468 {469 this.recursively_get_implements(lhs).forEach(function(rhs)470 {471 var errStr = lhs + " implements " + rhs + ", but ";472 if (!(lhs in this.members)) throw errStr + lhs + " is undefined.";473 if (!(this.members[lhs] instanceof IdlInterface)) throw errStr + lhs + " is not an interface.";474 if (!(rhs in this.members)) throw errStr + rhs + " is undefined.";475 if (!(this.members[rhs] instanceof IdlInterface)) throw errStr + rhs + " is not an interface.";476 this.members[rhs].members.forEach(function(member)477 {478 this.members[lhs].members.push(new IdlInterfaceMember(member));479 }.bind(this));480 }.bind(this));481 }482 this["implements"] = {};483 Object.getOwnPropertyNames(this.members).forEach(function(memberName) {484 var member = this.members[memberName];485 if (!(member instanceof IdlInterface)) {486 return;487 }488 var globals = exposure_set(member, ["Window"]);489 member.exposed = exposed_in(globals);490 member.exposureSet = globals;491 }.bind(this));492 // Now run test() on every member, and test_object() for every object.493 for (var name in this.members)494 {495 this.members[name].test();496 if (name in this.objects)497 {498 this.objects[name].forEach(function(str)499 {500 this.members[name].test_object(str);501 }.bind(this));502 }503 }504};505//@}506IdlArray.prototype.assert_type_is = function(value, type)507//@{508{509 if (type.idlType in this.members510 && this.members[type.idlType] instanceof IdlTypedef) {511 this.assert_type_is(value, this.members[type.idlType].idlType);512 return;513 }514 if (type.union) {515 for (var i = 0; i < type.idlType.length; i++) {516 try {517 this.assert_type_is(value, type.idlType[i]);518 // No AssertionError, so we match one type in the union519 return;520 } catch(e) {521 if (e instanceof AssertionError) {522 // We didn't match this type, let's try some others523 continue;524 }525 throw e;526 }527 }528 // TODO: Is there a nice way to list the union's types in the message?529 assert_true(false, "Attribute has value " + format_value(value)530 + " which doesn't match any of the types in the union");531 }532 /**533 * Helper function that tests that value is an instance of type according534 * to the rules of WebIDL. value is any JavaScript value, and type is an535 * object produced by WebIDLParser.js' "type" production. That production536 * is fairly elaborate due to the complexity of WebIDL's types, so it's537 * best to look at the grammar to figure out what properties it might have.538 */539 if (type.idlType == "any")540 {541 // No assertions to make542 return;543 }544 if (type.nullable && value === null)545 {546 // This is fine547 return;548 }549 if (type.array)550 {551 // TODO: not supported yet552 return;553 }554 if (type.sequence)555 {556 assert_true(Array.isArray(value), "should be an Array");557 if (!value.length)558 {559 // Nothing we can do.560 return;561 }562 this.assert_type_is(value[0], type.idlType);563 return;564 }565 if (type.generic === "Promise") {566 assert_true("then" in value, "Attribute with a Promise type should have a then property");567 // TODO: Ideally, we would check on project fulfillment568 // that we get the right type569 // but that would require making the type check async570 return;571 }572 if (type.generic === "FrozenArray") {573 assert_true(Array.isArray(value), "Value should be array");574 assert_true(Object.isFrozen(value), "Value should be frozen");575 if (!value.length)576 {577 // Nothing we can do.578 return;579 }580 this.assert_type_is(value[0], type.idlType);581 return;582 }583 type = type.idlType;584 switch(type)585 {586 case "void":587 assert_equals(value, undefined);588 return;589 case "boolean":590 assert_equals(typeof value, "boolean");591 return;592 case "byte":593 assert_equals(typeof value, "number");594 assert_equals(value, Math.floor(value), "should be an integer");595 assert_true(-128 <= value && value <= 127, "byte " + value + " should be in range [-128, 127]");596 return;597 case "octet":598 assert_equals(typeof value, "number");599 assert_equals(value, Math.floor(value), "should be an integer");600 assert_true(0 <= value && value <= 255, "octet " + value + " should be in range [0, 255]");601 return;602 case "short":603 assert_equals(typeof value, "number");604 assert_equals(value, Math.floor(value), "should be an integer");605 assert_true(-32768 <= value && value <= 32767, "short " + value + " should be in range [-32768, 32767]");606 return;607 case "unsigned short":608 assert_equals(typeof value, "number");609 assert_equals(value, Math.floor(value), "should be an integer");610 assert_true(0 <= value && value <= 65535, "unsigned short " + value + " should be in range [0, 65535]");611 return;612 case "long":613 assert_equals(typeof value, "number");614 assert_equals(value, Math.floor(value), "should be an integer");615 assert_true(-2147483648 <= value && value <= 2147483647, "long " + value + " should be in range [-2147483648, 2147483647]");616 return;617 case "unsigned long":618 assert_equals(typeof value, "number");619 assert_equals(value, Math.floor(value), "should be an integer");620 assert_true(0 <= value && value <= 4294967295, "unsigned long " + value + " should be in range [0, 4294967295]");621 return;622 case "long long":623 assert_equals(typeof value, "number");624 return;625 case "unsigned long long":626 case "DOMTimeStamp":627 assert_equals(typeof value, "number");628 assert_true(0 <= value, "unsigned long long should be positive");629 return;630 case "float":631 assert_equals(typeof value, "number");632 assert_equals(value, fround(value), "float rounded to 32-bit float should be itself");633 assert_not_equals(value, Infinity);634 assert_not_equals(value, -Infinity);635 assert_not_equals(value, NaN);636 return;637 case "DOMHighResTimeStamp":638 case "double":639 assert_equals(typeof value, "number");640 assert_not_equals(value, Infinity);641 assert_not_equals(value, -Infinity);642 assert_not_equals(value, NaN);643 return;644 case "unrestricted float":645 assert_equals(typeof value, "number");646 assert_equals(value, fround(value), "unrestricted float rounded to 32-bit float should be itself");647 return;648 case "unrestricted double":649 assert_equals(typeof value, "number");650 return;651 case "DOMString":652 assert_equals(typeof value, "string");653 return;654 case "ByteString":655 assert_equals(typeof value, "string");656 assert_regexp_match(value, /^[\x00-\x7F]*$/);657 return;658 case "USVString":659 assert_equals(typeof value, "string");660 assert_regexp_match(value, /^([\x00-\ud7ff\ue000-\uffff]|[\ud800-\udbff][\udc00-\udfff])*$/);661 return;662 case "object":663 assert_in_array(typeof value, ["object", "function"], "wrong type: not object or function");664 return;665 }666 if (!(type in this.members))667 {668 throw "Unrecognized type " + type;669 }670 if (this.members[type] instanceof IdlInterface)671 {672 // We don't want to run the full673 // IdlInterface.prototype.test_instance_of, because that could result674 // in an infinite loop. TODO: This means we don't have tests for675 // NoInterfaceObject interfaces, and we also can't test objects that676 // come from another self.677 assert_in_array(typeof value, ["object", "function"], "wrong type: not object or function");678 if (value instanceof Object679 && !this.members[type].has_extended_attribute("NoInterfaceObject")680 && type in self)681 {682 assert_true(value instanceof self[type], "instanceof " + type);683 }684 }685 else if (this.members[type] instanceof IdlEnum)686 {687 assert_equals(typeof value, "string");688 }689 else if (this.members[type] instanceof IdlDictionary)690 {691 // TODO: Test when we actually have something to test this on692 }693 else694 {695 throw "Type " + type + " isn't an interface or dictionary";696 }697};698//@}699/// IdlObject ///700function IdlObject() {}701IdlObject.prototype.test = function()702//@{703{704 /**705 * By default, this does nothing, so no actual tests are run for IdlObjects706 * that don't define any (e.g., IdlDictionary at the time of this writing).707 */708};709//@}710IdlObject.prototype.has_extended_attribute = function(name)711//@{712{713 /**714 * This is only meaningful for things that support extended attributes,715 * such as interfaces, exceptions, and members.716 */717 return this.extAttrs.some(function(o)718 {719 return o.name == name;720 });721};722//@}723/// IdlDictionary ///724// Used for IdlArray.prototype.assert_type_is725function IdlDictionary(obj)726//@{727{728 /**729 * obj is an object produced by the WebIDLParser.js "dictionary"730 * production.731 */732 /** Self-explanatory. */733 this.name = obj.name;734 /** A back-reference to our IdlArray. */735 this.array = obj.array;736 /** An array of objects produced by the "dictionaryMember" production. */737 this.members = obj.members;738 /**739 * The name (as a string) of the dictionary type we inherit from, or null740 * if there is none.741 */742 this.base = obj.inheritance;743}744//@}745IdlDictionary.prototype = Object.create(IdlObject.prototype);746IdlDictionary.prototype.get_inheritance_stack = function() {747 return IdlInterface.prototype.get_inheritance_stack.call(this);748};749/// IdlInterface ///750function IdlInterface(obj, is_callback)751//@{752{753 /**754 * obj is an object produced by the WebIDLParser.js "interface" production.755 */756 /** Self-explanatory. */757 this.name = obj.name;758 /** A back-reference to our IdlArray. */759 this.array = obj.array;760 /**761 * An indicator of whether we should run tests on the interface object and762 * interface prototype object. Tests on members are controlled by .untested763 * on each member, not this.764 */765 this.untested = obj.untested;766 /** An array of objects produced by the "ExtAttr" production. */767 this.extAttrs = obj.extAttrs;768 /** An array of IdlInterfaceMembers. */769 this.members = obj.members.map(function(m){return new IdlInterfaceMember(m); });770 if (this.has_extended_attribute("Unforgeable")) {771 this.members772 .filter(function(m) { return !m["static"] && (m.type == "attribute" || m.type == "operation"); })773 .forEach(function(m) { return m.isUnforgeable = true; });774 }775 /**776 * The name (as a string) of the type we inherit from, or null if there is777 * none.778 */779 this.base = obj.inheritance;780 this._is_callback = is_callback;781}782//@}783IdlInterface.prototype = Object.create(IdlObject.prototype);784IdlInterface.prototype.is_callback = function()785//@{786{787 return this._is_callback;788};789//@}790IdlInterface.prototype.has_constants = function()791//@{792{793 return this.members.some(function(member) {794 return member.type === "const";795 });796};797//@}798IdlInterface.prototype.is_global = function()799//@{800{801 return this.extAttrs.some(function(attribute) {802 return attribute.name === "Global" ||803 attribute.name === "PrimaryGlobal";804 });805};806//@}807IdlInterface.prototype.has_to_json_regular_operation = function() {808 return this.members.some(function(m) {809 return m.is_to_json_regular_operation();810 });811};812IdlInterface.prototype.has_default_to_json_regular_operation = function() {813 return this.members.some(function(m) {814 return m.is_to_json_regular_operation() && m.has_extended_attribute("Default");815 });816};817IdlInterface.prototype.get_inheritance_stack = function() {818 /**819 * See https://heycam.github.io/webidl/#create-an-inheritance-stack820 *821 * Returns an array of IdlInterface objects which contains itself822 * and all of its inherited interfaces.823 *824 * So given:825 *826 * A : B {};827 * B : C {};828 * C {};829 *830 * then A.get_inheritance_stack() should return [A, B, C],831 * and B.get_inheritance_stack() should return [B, C].832 *833 * Note: as dictionary inheritance is expressed identically by the AST,834 * this works just as well for getting a stack of inherited dictionaries. 835 */836 var stack = [this];837 var idl_interface = this;838 while (idl_interface.base) {839 var base = this.array.members[idl_interface.base];840 if (!base) {841 throw new Error(idl_interface.type + " " + idl_interface.base + " not found (inherited by " + idl_interface.name + ")");842 }843 idl_interface = base;844 stack.push(idl_interface);845 }846 return stack;847};848/**849 * Implementation of850 * https://heycam.github.io/webidl/#default-tojson-operation851 * for testing purposes.852 *853 * Collects the IDL types of the attributes that meet the criteria854 * for inclusion in the default toJSON operation for easy855 * comparison with actual value856 */857IdlInterface.prototype.default_to_json_operation = function(callback) {858 var map = new Map(), isDefault = false;859 this.traverse_inherited_and_consequential_interfaces(function(I) {860 if (I.has_default_to_json_regular_operation()) {861 isDefault = true;862 I.members.forEach(function(m) {863 if (!m.static && m.type == "attribute" && I.array.is_json_type(m.idlType)) {864 map.set(m.name, m.idlType);865 }866 });867 } else if (I.has_to_json_regular_operation()) {868 isDefault = false;869 }870 });871 return isDefault ? map : null;872};873/**874 * Traverses inherited interfaces from the top down875 * and imeplemented interfaces inside out.876 * Invokes |callback| on each interface.877 *878 * This is an abstract implementation of the traversal879 * algorithm specified in:880 * https://heycam.github.io/webidl/#collect-attribute-values881 * Given the following inheritance tree:882 *883 * F884 * |885 * C E - I886 * | |887 * B - D888 * |889 * G - A - H - J890 *891 * Invoking traverse_inherited_and_consequential_interfaces() on A892 * would traverse the tree in the following order:893 * C -> B -> F -> E -> I -> D -> A -> G -> H -> J894 */895IdlInterface.prototype.traverse_inherited_and_consequential_interfaces = function(callback) {896 if (typeof callback != "function") {897 throw new TypeError();898 }899 var stack = this.get_inheritance_stack();900 _traverse_inherited_and_consequential_interfaces(stack, callback);901};902function _traverse_inherited_and_consequential_interfaces(stack, callback) {903 var I = stack.pop();904 callback(I);905 var mixins = I.array["implements"][I.name];906 if (mixins) {907 mixins.forEach(id => {908 var mixin = I.array.members[id];909 if (!mixin) {910 throw new Error("Interface " + id + " not found (implemented by " + I.name + ")");911 }912 var interfaces = mixin.get_inheritance_stack();913 _traverse_inherited_and_consequential_interfaces(interfaces, callback);914 });915 }916 if (stack.length > 0) {917 _traverse_inherited_and_consequential_interfaces(stack, callback);918 }919}920IdlInterface.prototype.test = function()921//@{922{923 if (this.has_extended_attribute("NoInterfaceObject"))924 {925 // No tests to do without an instance. TODO: We should still be able926 // to run tests on the prototype object, if we obtain one through some927 // other means.928 return;929 }930 if (!this.exposed) {931 test(function() {932 assert_false(this.name in self);933 }.bind(this), this.name + " interface: existence and properties of interface object");934 return;935 }936 if (!this.untested)937 {938 // First test things to do with the exception/interface object and939 // exception/interface prototype object.940 this.test_self();941 }942 // Then test things to do with its members (constants, fields, attributes,943 // operations, . . .). These are run even if .untested is true, because944 // members might themselves be marked as .untested. This might happen to945 // interfaces if the interface itself is untested but a partial interface946 // that extends it is tested -- then the interface itself and its initial947 // members will be marked as untested, but the members added by the partial948 // interface are still tested.949 this.test_members();950};951//@}952IdlInterface.prototype.test_self = function()953//@{954{955 test(function()956 {957 // This function tests WebIDL as of 2015-01-13.958 // "For every interface that is exposed in a given ECMAScript global959 // environment and:960 // * is a callback interface that has constants declared on it, or961 // * is a non-callback interface that is not declared with the962 // [NoInterfaceObject] extended attribute,963 // a corresponding property MUST exist on the ECMAScript global object.964 // The name of the property is the identifier of the interface, and its965 // value is an object called the interface object.966 // The property has the attributes { [[Writable]]: true,967 // [[Enumerable]]: false, [[Configurable]]: true }."968 if (this.is_callback() && !this.has_constants()) {969 return;970 }971 // TODO: Should we test here that the property is actually writable972 // etc., or trust getOwnPropertyDescriptor?973 assert_own_property(self, this.name,974 "self does not have own property " + format_value(this.name));975 var desc = Object.getOwnPropertyDescriptor(self, this.name);976 assert_false("get" in desc, "self's property " + format_value(this.name) + " should not have a getter");977 assert_false("set" in desc, "self's property " + format_value(this.name) + " should not have a setter");978 assert_true(desc.writable, "self's property " + format_value(this.name) + " should be writable");979 assert_false(desc.enumerable, "self's property " + format_value(this.name) + " should not be enumerable");980 assert_true(desc.configurable, "self's property " + format_value(this.name) + " should be configurable");981 if (this.is_callback()) {982 // "The internal [[Prototype]] property of an interface object for983 // a callback interface must be the Function.prototype object."984 assert_equals(Object.getPrototypeOf(self[this.name]), Function.prototype,985 "prototype of self's property " + format_value(this.name) + " is not Object.prototype");986 return;987 }988 // "The interface object for a given non-callback interface is a989 // function object."990 // "If an object is defined to be a function object, then it has991 // characteristics as follows:"992 // Its [[Prototype]] internal property is otherwise specified (see993 // below).994 // "* Its [[Get]] internal property is set as described in ECMA-262995 // section 9.1.8."996 // Not much to test for this.997 // "* Its [[Construct]] internal property is set as described in998 // ECMA-262 section 19.2.2.3."999 // Tested below if no constructor is defined. TODO: test constructors1000 // if defined.1001 // "* Its @@hasInstance property is set as described in ECMA-2621002 // section 19.2.3.8, unless otherwise specified."1003 // TODO1004 // ES6 (rev 30) 19.1.3.6:1005 // "Else, if O has a [[Call]] internal method, then let builtinTag be1006 // "Function"."1007 assert_class_string(self[this.name], "Function", "class string of " + this.name);1008 // "The [[Prototype]] internal property of an interface object for a1009 // non-callback interface is determined as follows:"1010 var prototype = Object.getPrototypeOf(self[this.name]);1011 if (this.base) {1012 // "* If the interface inherits from some other interface, the1013 // value of [[Prototype]] is the interface object for that other1014 // interface."1015 var has_interface_object =1016 !this.array1017 .members[this.base]1018 .has_extended_attribute("NoInterfaceObject");1019 if (has_interface_object) {1020 assert_own_property(self, this.base,1021 'should inherit from ' + this.base +1022 ', but self has no such property');1023 assert_equals(prototype, self[this.base],1024 'prototype of ' + this.name + ' is not ' +1025 this.base);1026 }1027 } else {1028 // "If the interface doesn't inherit from any other interface, the1029 // value of [[Prototype]] is %FunctionPrototype% ([ECMA-262],1030 // section 6.1.7.4)."1031 assert_equals(prototype, Function.prototype,1032 "prototype of self's property " + format_value(this.name) + " is not Function.prototype");1033 }1034 if (!this.has_extended_attribute("Constructor")) {1035 // "The internal [[Call]] method of the interface object behaves as1036 // follows . . .1037 //1038 // "If I was not declared with a [Constructor] extended attribute,1039 // then throw a TypeError."1040 assert_throws(new TypeError(), function() {1041 self[this.name]();1042 }.bind(this), "interface object didn't throw TypeError when called as a function");1043 assert_throws(new TypeError(), function() {1044 new self[this.name]();1045 }.bind(this), "interface object didn't throw TypeError when called as a constructor");1046 }1047 }.bind(this), this.name + " interface: existence and properties of interface object");1048 if (!this.is_callback()) {1049 test(function() {1050 // This function tests WebIDL as of 2014-10-25.1051 // https://heycam.github.io/webidl/#es-interface-call1052 assert_own_property(self, this.name,1053 "self does not have own property " + format_value(this.name));1054 // "Interface objects for non-callback interfaces MUST have a1055 // property named âlengthâ with attributes { [[Writable]]: false,1056 // [[Enumerable]]: false, [[Configurable]]: true } whose value is1057 // a Number."1058 assert_own_property(self[this.name], "length");1059 var desc = Object.getOwnPropertyDescriptor(self[this.name], "length");1060 assert_false("get" in desc, this.name + ".length should not have a getter");1061 assert_false("set" in desc, this.name + ".length should not have a setter");1062 assert_false(desc.writable, this.name + ".length should not be writable");1063 assert_false(desc.enumerable, this.name + ".length should not be enumerable");1064 assert_true(desc.configurable, this.name + ".length should be configurable");1065 var constructors = this.extAttrs1066 .filter(function(attr) { return attr.name == "Constructor"; });1067 var expected_length = minOverloadLength(constructors);1068 assert_equals(self[this.name].length, expected_length, "wrong value for " + this.name + ".length");1069 }.bind(this), this.name + " interface object length");1070 }1071 if (!this.is_callback() || this.has_constants()) {1072 test(function() {1073 // This function tests WebIDL as of 2015-11-17.1074 // https://heycam.github.io/webidl/#interface-object1075 assert_own_property(self, this.name,1076 "self does not have own property " + format_value(this.name));1077 // "All interface objects must have a property named ânameâ with1078 // attributes { [[Writable]]: false, [[Enumerable]]: false,1079 // [[Configurable]]: true } whose value is the identifier of the1080 // corresponding interface."1081 assert_own_property(self[this.name], "name");1082 var desc = Object.getOwnPropertyDescriptor(self[this.name], "name");1083 assert_false("get" in desc, this.name + ".name should not have a getter");1084 assert_false("set" in desc, this.name + ".name should not have a setter");1085 assert_false(desc.writable, this.name + ".name should not be writable");1086 assert_false(desc.enumerable, this.name + ".name should not be enumerable");1087 assert_true(desc.configurable, this.name + ".name should be configurable");1088 assert_equals(self[this.name].name, this.name, "wrong value for " + this.name + ".name");1089 }.bind(this), this.name + " interface object name");1090 }1091 if (this.has_extended_attribute("LegacyWindowAlias")) {1092 test(function()1093 {1094 var aliasAttrs = this.extAttrs.filter(function(o) { return o.name === "LegacyWindowAlias"; });1095 if (aliasAttrs.length > 1) {1096 throw "Invalid IDL: multiple LegacyWindowAlias extended attributes on " + this.name;1097 }1098 if (this.is_callback()) {1099 throw "Invalid IDL: LegacyWindowAlias extended attribute on non-interface " + this.name;1100 }1101 if (this.exposureSet.indexOf("Window") === -1) {1102 throw "Invalid IDL: LegacyWindowAlias extended attribute on " + this.name + " which is not exposed in Window";1103 }1104 // TODO: when testing of [NoInterfaceObject] interfaces is supported,1105 // check that it's not specified together with LegacyWindowAlias.1106 // TODO: maybe check that [LegacyWindowAlias] is not specified on a partial interface.1107 var rhs = aliasAttrs[0].rhs;1108 if (!rhs) {1109 throw "Invalid IDL: LegacyWindowAlias extended attribute on " + this.name + " without identifier";1110 }1111 var aliases;1112 if (rhs.type === "identifier-list") {1113 aliases = rhs.value;1114 } else { // rhs.type === identifier1115 aliases = [ rhs.value ];1116 }1117 // OK now actually check the aliases...1118 var alias;1119 if (exposed_in(exposure_set(this, this.exposureSet)) && 'document' in self) {1120 for (alias of aliases) {1121 assert_true(alias in self, alias + " should exist");1122 assert_equals(self[alias], self[this.name], "self." + alias + " should be the same value as self." + this.name);1123 var desc = Object.getOwnPropertyDescriptor(self, alias);1124 assert_equals(desc.value, self[this.name], "wrong value in " + alias + " property descriptor");1125 assert_true(desc.writable, alias + " should be writable");1126 assert_false(desc.enumerable, alias + " should not be enumerable");1127 assert_true(desc.configurable, alias + " should be configurable");1128 assert_false('get' in desc, alias + " should not have a getter");1129 assert_false('set' in desc, alias + " should not have a setter");1130 }1131 } else {1132 for (alias of aliases) {1133 assert_false(alias in self, alias + " should not exist");1134 }1135 }1136 }.bind(this), this.name + " interface: legacy window alias");1137 }1138 // TODO: Test named constructors if I find any interfaces that have them.1139 test(function()1140 {1141 // This function tests WebIDL as of 2015-01-21.1142 // https://heycam.github.io/webidl/#interface-object1143 if (this.is_callback() && !this.has_constants()) {1144 return;1145 }1146 assert_own_property(self, this.name,1147 "self does not have own property " + format_value(this.name));1148 if (this.is_callback()) {1149 assert_false("prototype" in self[this.name],1150 this.name + ' should not have a "prototype" property');1151 return;1152 }1153 // "An interface object for a non-callback interface must have a1154 // property named âprototypeâ with attributes { [[Writable]]: false,1155 // [[Enumerable]]: false, [[Configurable]]: false } whose value is an1156 // object called the interface prototype object. This object has1157 // properties that correspond to the regular attributes and regular1158 // operations defined on the interface, and is described in more detail1159 // in section 4.5.4 below."1160 assert_own_property(self[this.name], "prototype",1161 'interface "' + this.name + '" does not have own property "prototype"');1162 var desc = Object.getOwnPropertyDescriptor(self[this.name], "prototype");1163 assert_false("get" in desc, this.name + ".prototype should not have a getter");1164 assert_false("set" in desc, this.name + ".prototype should not have a setter");1165 assert_false(desc.writable, this.name + ".prototype should not be writable");1166 assert_false(desc.enumerable, this.name + ".prototype should not be enumerable");1167 assert_false(desc.configurable, this.name + ".prototype should not be configurable");1168 // Next, test that the [[Prototype]] of the interface prototype object1169 // is correct. (This is made somewhat difficult by the existence of1170 // [NoInterfaceObject].)1171 // TODO: Aryeh thinks there's at least other place in this file where1172 // we try to figure out if an interface prototype object is1173 // correct. Consolidate that code.1174 // "The interface prototype object for a given interface A must have an1175 // internal [[Prototype]] property whose value is returned from the1176 // following steps:1177 // "If A is declared with the [Global] or [PrimaryGlobal] extended1178 // attribute, and A supports named properties, then return the named1179 // properties object for A, as defined in §3.6.4 Named properties1180 // object.1181 // "Otherwise, if A is declared to inherit from another interface, then1182 // return the interface prototype object for the inherited interface.1183 // "Otherwise, if A is declared with the [LegacyArrayClass] extended1184 // attribute, then return %ArrayPrototype%.1185 // "Otherwise, return %ObjectPrototype%.1186 if (this.name === "Window") {1187 assert_class_string(Object.getPrototypeOf(self[this.name].prototype),1188 'WindowProperties',1189 'Class name for prototype of Window' +1190 '.prototype is not "WindowProperties"');1191 } else {1192 var inherit_interface, inherit_interface_has_interface_object;1193 if (this.base) {1194 inherit_interface = this.base;1195 inherit_interface_has_interface_object =1196 !this.array1197 .members[inherit_interface]1198 .has_extended_attribute("NoInterfaceObject");1199 } else if (this.has_extended_attribute('LegacyArrayClass')) {1200 inherit_interface = 'Array';1201 inherit_interface_has_interface_object = true;1202 } else {1203 inherit_interface = 'Object';1204 inherit_interface_has_interface_object = true;1205 }1206 if (inherit_interface_has_interface_object) {1207 assert_own_property(self, inherit_interface,1208 'should inherit from ' + inherit_interface + ', but self has no such property');1209 assert_own_property(self[inherit_interface], 'prototype',1210 'should inherit from ' + inherit_interface + ', but that object has no "prototype" property');1211 assert_equals(Object.getPrototypeOf(self[this.name].prototype),1212 self[inherit_interface].prototype,1213 'prototype of ' + this.name + '.prototype is not ' + inherit_interface + '.prototype');1214 } else {1215 // We can't test that we get the correct object, because this is the1216 // only way to get our hands on it. We only test that its class1217 // string, at least, is correct.1218 assert_class_string(Object.getPrototypeOf(self[this.name].prototype),1219 inherit_interface + 'Prototype',1220 'Class name for prototype of ' + this.name +1221 '.prototype is not "' + inherit_interface + 'Prototype"');1222 }1223 }1224 // "The class string of an interface prototype object is the1225 // concatenation of the interfaceâs identifier and the string1226 // âPrototypeâ."1227 // Skip these tests for now due to a specification issue about1228 // prototype name.1229 // https://www.w3.org/Bugs/Public/show_bug.cgi?id=282441230 // assert_class_string(self[this.name].prototype, this.name + "Prototype",1231 // "class string of " + this.name + ".prototype");1232 // String() should end up calling {}.toString if nothing defines a1233 // stringifier.1234 if (!this.has_stringifier()) {1235 // assert_equals(String(self[this.name].prototype), "[object " + this.name + "Prototype]",1236 // "String(" + this.name + ".prototype)");1237 }1238 }.bind(this), this.name + " interface: existence and properties of interface prototype object");1239 if (this.is_global() && typeof Object.setPrototypeOf === "function") {1240 // These functions test WebIDL as of 2017-06-06.1241 // https://heycam.github.io/webidl/#platform-object-setprototypeof1242 test(function() {1243 var originalValue = Object.getPrototypeOf(self[this.name].prototype);1244 var newValue = Object.create(null);1245 assert_throws(new TypeError(), function() {1246 Object.setPrototypeOf(self[this.name].prototype, newValue);1247 });1248 assert_equals(1249 Object.getPrototypeOf(self[this.name].prototype),1250 originalValue,1251 "original value not modified"1252 );1253 }.bind(this), this.name + " interface: internal [[SetPrototypeOf]] method " +1254 "of global platform object - setting to a new value via Object.setPrototypeOf " +1255 "should throw a TypeError");1256 test(function() {1257 var originalValue = Object.getPrototypeOf(self[this.name].prototype);1258 var newValue = Object.create(null);1259 assert_throws(new TypeError(), function() {1260 self[this.name].prototype.__proto__ = newValue;1261 });1262 assert_equals(1263 Object.getPrototypeOf(self[this.name].prototype),1264 originalValue,1265 "original value not modified"1266 );1267 }.bind(this), this.name + " interface: internal [[SetPrototypeOf]] method " +1268 "of global platform object - setting to a new value via __proto__ " +1269 "should throw a TypeError");1270 test(function() {1271 var originalValue = Object.getPrototypeOf(self[this.name].prototype);1272 var newValue = Object.create(null);1273 assert_false(Reflect.setPrototypeOf(self[this.name].prototype.__proto__, newValue));1274 assert_equals(1275 Object.getPrototypeOf(self[this.name].prototype),1276 originalValue,1277 "original value not modified"1278 );1279 }.bind(this), this.name + " interface: internal [[SetPrototypeOf]] method " +1280 "of global platform object - setting to a new value via Reflect.setPrototypeOf " +1281 "should return false");1282 test(function() {1283 var originalValue = Object.getPrototypeOf(self[this.name].prototype);1284 Object.setPrototypeOf(self[this.name].prototype, originalValue);1285 }.bind(this), this.name + " interface: internal [[SetPrototypeOf]] method " +1286 "of global platform object - setting to its original value via Object.setPrototypeOf " +1287 "should not throw");1288 test(function() {1289 var originalValue = Object.getPrototypeOf(self[this.name].prototype);1290 self[this.name].prototype.__proto__ = originalValue;1291 }.bind(this), this.name + " interface: internal [[SetPrototypeOf]] method " +1292 "of global platform object - setting to its original value via __proto__ " +1293 "should not throw");1294 test(function() {1295 var originalValue = Object.getPrototypeOf(self[this.name].prototype);1296 assert_true(Reflect.setPrototypeOf(self[this.name].prototype, originalValue));1297 }.bind(this), this.name + " interface: internal [[SetPrototypeOf]] method " +1298 "of global platform object - setting to its original value via Reflect.setPrototypeOf " +1299 "should return true");1300 }1301 test(function()1302 {1303 if (this.is_callback() && !this.has_constants()) {1304 return;1305 }1306 assert_own_property(self, this.name,1307 "self does not have own property " + format_value(this.name));1308 if (this.is_callback()) {1309 assert_false("prototype" in self[this.name],1310 this.name + ' should not have a "prototype" property');1311 return;1312 }1313 assert_own_property(self[this.name], "prototype",1314 'interface "' + this.name + '" does not have own property "prototype"');1315 // "If the [NoInterfaceObject] extended attribute was not specified on1316 // the interface, then the interface prototype object must also have a1317 // property named âconstructorâ with attributes { [[Writable]]: true,1318 // [[Enumerable]]: false, [[Configurable]]: true } whose value is a1319 // reference to the interface object for the interface."1320 assert_own_property(self[this.name].prototype, "constructor",1321 this.name + '.prototype does not have own property "constructor"');1322 var desc = Object.getOwnPropertyDescriptor(self[this.name].prototype, "constructor");1323 assert_false("get" in desc, this.name + ".prototype.constructor should not have a getter");1324 assert_false("set" in desc, this.name + ".prototype.constructor should not have a setter");1325 assert_true(desc.writable, this.name + ".prototype.constructor should be writable");1326 assert_false(desc.enumerable, this.name + ".prototype.constructor should not be enumerable");1327 assert_true(desc.configurable, this.name + ".prototype.constructor should be configurable");1328 assert_equals(self[this.name].prototype.constructor, self[this.name],1329 this.name + '.prototype.constructor is not the same object as ' + this.name);1330 }.bind(this), this.name + ' interface: existence and properties of interface prototype object\'s "constructor" property');1331};1332//@}1333IdlInterface.prototype.test_member_const = function(member)1334//@{1335{1336 if (!this.has_constants()) {1337 throw "Internal error: test_member_const called without any constants";1338 }1339 test(function()1340 {1341 assert_own_property(self, this.name,1342 "self does not have own property " + format_value(this.name));1343 // "For each constant defined on an interface A, there must be1344 // a corresponding property on the interface object, if it1345 // exists."1346 assert_own_property(self[this.name], member.name);1347 // "The value of the property is that which is obtained by1348 // converting the constantâs IDL value to an ECMAScript1349 // value."1350 assert_equals(self[this.name][member.name], constValue(member.value),1351 "property has wrong value");1352 // "The property has attributes { [[Writable]]: false,1353 // [[Enumerable]]: true, [[Configurable]]: false }."1354 var desc = Object.getOwnPropertyDescriptor(self[this.name], member.name);1355 assert_false("get" in desc, "property should not have a getter");1356 assert_false("set" in desc, "property should not have a setter");1357 assert_false(desc.writable, "property should not be writable");1358 assert_true(desc.enumerable, "property should be enumerable");1359 assert_false(desc.configurable, "property should not be configurable");1360 }.bind(this), this.name + " interface: constant " + member.name + " on interface object");1361 // "In addition, a property with the same characteristics must1362 // exist on the interface prototype object."1363 test(function()1364 {1365 assert_own_property(self, this.name,1366 "self does not have own property " + format_value(this.name));1367 if (this.is_callback()) {1368 assert_false("prototype" in self[this.name],1369 this.name + ' should not have a "prototype" property');1370 return;1371 }1372 assert_own_property(self[this.name], "prototype",1373 'interface "' + this.name + '" does not have own property "prototype"');1374 assert_own_property(self[this.name].prototype, member.name);1375 assert_equals(self[this.name].prototype[member.name], constValue(member.value),1376 "property has wrong value");1377 var desc = Object.getOwnPropertyDescriptor(self[this.name], member.name);1378 assert_false("get" in desc, "property should not have a getter");1379 assert_false("set" in desc, "property should not have a setter");1380 assert_false(desc.writable, "property should not be writable");1381 assert_true(desc.enumerable, "property should be enumerable");1382 assert_false(desc.configurable, "property should not be configurable");1383 }.bind(this), this.name + " interface: constant " + member.name + " on interface prototype object");1384};1385//@}1386IdlInterface.prototype.test_member_attribute = function(member)1387//@{1388 {1389 var a_test = async_test(this.name + " interface: attribute " + member.name);1390 a_test.step(function()1391 {1392 if (this.is_callback() && !this.has_constants()) {1393 a_test.done()1394 return;1395 }1396 assert_own_property(self, this.name,1397 "self does not have own property " + format_value(this.name));1398 assert_own_property(self[this.name], "prototype",1399 'interface "' + this.name + '" does not have own property "prototype"');1400 if (member["static"]) {1401 assert_own_property(self[this.name], member.name,1402 "The interface object must have a property " +1403 format_value(member.name));1404 a_test.done();1405 } else if (this.is_global()) {1406 assert_own_property(self, member.name,1407 "The global object must have a property " +1408 format_value(member.name));1409 assert_false(member.name in self[this.name].prototype,1410 "The prototype object should not have a property " +1411 format_value(member.name));1412 var getter = Object.getOwnPropertyDescriptor(self, member.name).get;1413 assert_equals(typeof(getter), "function",1414 format_value(member.name) + " must have a getter");1415 // Try/catch around the get here, since it can legitimately throw.1416 // If it does, we obviously can't check for equality with direct1417 // invocation of the getter.1418 var gotValue;1419 var propVal;1420 try {1421 propVal = self[member.name];1422 gotValue = true;1423 } catch (e) {1424 gotValue = false;1425 }1426 if (gotValue) {1427 assert_equals(propVal, getter.call(undefined),1428 "Gets on a global should not require an explicit this");1429 }1430 // do_interface_attribute_asserts must be the last thing we do,1431 // since it will call done() on a_test.1432 this.do_interface_attribute_asserts(self, member, a_test);1433 } else {1434 assert_true(member.name in self[this.name].prototype,1435 "The prototype object must have a property " +1436 format_value(member.name));1437 if (!member.has_extended_attribute("LenientThis")) {1438 if (member.idlType.generic !== "Promise") {1439 assert_throws(new TypeError(), function() {1440 self[this.name].prototype[member.name];1441 }.bind(this), "getting property on prototype object must throw TypeError");1442 // do_interface_attribute_asserts must be the last thing we1443 // do, since it will call done() on a_test.1444 this.do_interface_attribute_asserts(self[this.name].prototype, member, a_test);1445 } else {1446 promise_rejects(a_test, new TypeError(),1447 self[this.name].prototype[member.name])1448 .then(function() {1449 // do_interface_attribute_asserts must be the last1450 // thing we do, since it will call done() on a_test.1451 this.do_interface_attribute_asserts(self[this.name].prototype,1452 member, a_test);1453 }.bind(this));1454 }1455 } else {1456 assert_equals(self[this.name].prototype[member.name], undefined,1457 "getting property on prototype object must return undefined");1458 // do_interface_attribute_asserts must be the last thing we do,1459 // since it will call done() on a_test.1460 this.do_interface_attribute_asserts(self[this.name].prototype, member, a_test);1461 }1462 }1463 }.bind(this));1464};1465//@}1466IdlInterface.prototype.test_member_operation = function(member)1467//@{1468{1469 var a_test = async_test(this.name + " interface: operation " + member.name +1470 "(" + member.arguments.map(1471 function(m) {return m.idlType.idlType; } )1472 +")");1473 a_test.step(function()1474 {1475 // This function tests WebIDL as of 2015-12-29.1476 // https://heycam.github.io/webidl/#es-operations1477 if (this.is_callback() && !this.has_constants()) {1478 a_test.done();1479 return;1480 }1481 assert_own_property(self, this.name,1482 "self does not have own property " + format_value(this.name));1483 if (this.is_callback()) {1484 assert_false("prototype" in self[this.name],1485 this.name + ' should not have a "prototype" property');1486 a_test.done();1487 return;1488 }1489 assert_own_property(self[this.name], "prototype",1490 'interface "' + this.name + '" does not have own property "prototype"');1491 // "For each unique identifier of an exposed operation defined on the1492 // interface, there must exist a corresponding property, unless the1493 // effective overload set for that identifier and operation and with an1494 // argument count of 0 has no entries."1495 // TODO: Consider [Exposed].1496 // "The location of the property is determined as follows:"1497 var memberHolderObject;1498 // "* If the operation is static, then the property exists on the1499 // interface object."1500 if (member["static"]) {1501 assert_own_property(self[this.name], member.name,1502 "interface object missing static operation");1503 memberHolderObject = self[this.name];1504 // "* Otherwise, [...] if the interface was declared with the [Global]1505 // or [PrimaryGlobal] extended attribute, then the property exists1506 // on every object that implements the interface."1507 } else if (this.is_global()) {1508 assert_own_property(self, member.name,1509 "global object missing non-static operation");1510 memberHolderObject = self;1511 // "* Otherwise, the property exists solely on the interfaceâs1512 // interface prototype object."1513 } else {1514 assert_own_property(self[this.name].prototype, member.name,1515 "interface prototype object missing non-static operation");1516 memberHolderObject = self[this.name].prototype;1517 }1518 this.do_member_operation_asserts(memberHolderObject, member, a_test);1519 }.bind(this));1520};1521//@}1522IdlInterface.prototype.do_member_operation_asserts = function(memberHolderObject, member, a_test)1523//@{1524{1525 var done = a_test.done.bind(a_test);1526 var operationUnforgeable = member.isUnforgeable;1527 var desc = Object.getOwnPropertyDescriptor(memberHolderObject, member.name);1528 // "The property has attributes { [[Writable]]: B,1529 // [[Enumerable]]: true, [[Configurable]]: B }, where B is false if the1530 // operation is unforgeable on the interface, and true otherwise".1531 assert_false("get" in desc, "property should not have a getter");1532 assert_false("set" in desc, "property should not have a setter");1533 assert_equals(desc.writable, !operationUnforgeable,1534 "property should be writable if and only if not unforgeable");1535 assert_true(desc.enumerable, "property should be enumerable");1536 assert_equals(desc.configurable, !operationUnforgeable,1537 "property should be configurable if and only if not unforgeable");1538 // "The value of the property is a Function object whose1539 // behavior is as follows . . ."1540 assert_equals(typeof memberHolderObject[member.name], "function",1541 "property must be a function");1542 // "The value of the Function objectâs âlengthâ property is1543 // a Number determined as follows:1544 // ". . .1545 // "Return the length of the shortest argument list of the1546 // entries in S."1547 assert_equals(memberHolderObject[member.name].length,1548 minOverloadLength(this.members.filter(function(m) {1549 return m.type == "operation" && m.name == member.name;1550 })),1551 "property has wrong .length");1552 if (member.is_to_json_regular_operation()) {1553 this.test_to_json_operation(memberHolderObject, member);1554 }1555 // Make some suitable arguments1556 var args = member.arguments.map(function(arg) {1557 return create_suitable_object(arg.idlType);1558 });1559 // "Let O be a value determined as follows:1560 // ". . .1561 // "Otherwise, throw a TypeError."1562 // This should be hit if the operation is not static, there is1563 // no [ImplicitThis] attribute, and the this value is null.1564 //1565 // TODO: We currently ignore the [ImplicitThis] case. Except we manually1566 // check for globals, since otherwise we'll invoke window.close(). And we1567 // have to skip this test for anything that on the proto chain of "self",1568 // since that does in fact have implicit-this behavior.1569 if (!member["static"]) {1570 var cb;1571 if (!this.is_global() &&1572 memberHolderObject[member.name] != self[member.name])1573 {1574 cb = awaitNCallbacks(2, done);1575 throwOrReject(a_test, member, memberHolderObject[member.name], null, args,1576 "calling operation with this = null didn't throw TypeError", cb);1577 } else {1578 cb = awaitNCallbacks(1, done);1579 }1580 // ". . . If O is not null and is also not a platform object1581 // that implements interface I, throw a TypeError."1582 //1583 // TODO: Test a platform object that implements some other1584 // interface. (Have to be sure to get inheritance right.)1585 throwOrReject(a_test, member, memberHolderObject[member.name], {}, args,1586 "calling operation with this = {} didn't throw TypeError", cb);1587 } else {1588 done();1589 }1590}1591//@}1592IdlInterface.prototype.add_iterable_members = function(member)1593//@{1594{1595 this.members.push(new IdlInterfaceMember(1596 { type: "operation", name: "entries", idlType: "iterator", arguments: []}));1597 this.members.push(new IdlInterfaceMember(1598 { type: "operation", name: "keys", idlType: "iterator", arguments: []}));1599 this.members.push(new IdlInterfaceMember(1600 { type: "operation", name: "values", idlType: "iterator", arguments: []}));1601 this.members.push(new IdlInterfaceMember(1602 { type: "operation", name: "forEach", idlType: "void",1603 arguments:1604 [{ name: "callback", idlType: {idlType: "function"}},1605 { name: "thisValue", idlType: {idlType: "any"}, optional: true}]}));1606};1607IdlInterface.prototype.test_to_json_operation = function(memberHolderObject, member) {1608 if (member.has_extended_attribute("Default")) {1609 var map = this.default_to_json_operation();1610 test(function() {1611 var json = memberHolderObject.toJSON();1612 map.forEach(function(type, k) {1613 assert_true(k in json, "property " + k + " should be present in the output of " + this.name + ".prototype.toJSON()");1614 var descriptor = Object.getOwnPropertyDescriptor(json, k);1615 assert_true(descriptor.writable, "property " + k + " should be writable");1616 assert_true(descriptor.configurable, "property " + k + " should be configurable");1617 assert_true(descriptor.enumerable, "property " + k + " should be enumerable");1618 this.array.assert_type_is(json[k], type);1619 delete json[k];1620 }, this);1621 for (var k in json) {1622 assert_unreached("property " + k + " should not be present in the output of " + this.name + ".prototype.toJSON()");1623 }1624 }.bind(this), "Test default toJSON operation of " + this.name);1625 } else {1626 test(function() {1627 assert_true(this.array.is_json_type(member.idlType), JSON.stringify(member.idlType) + " is not an appropriate return value for the toJSON operation of " + this.name);1628 this.array.assert_type_is(memberHolderObject.toJSON(), member.idlType);1629 }.bind(this), "Test toJSON operation of " + this.name);1630 }1631};1632//@}1633IdlInterface.prototype.test_member_iterable = function(member)1634//@{1635{1636 var interfaceName = this.name;1637 var isPairIterator = member.idlType instanceof Array;1638 test(function()1639 {1640 var descriptor = Object.getOwnPropertyDescriptor(self[interfaceName].prototype, Symbol.iterator);1641 assert_true(descriptor.writable, "property should be writable");1642 assert_true(descriptor.configurable, "property should be configurable");1643 assert_false(descriptor.enumerable, "property should not be enumerable");1644 assert_equals(self[interfaceName].prototype[Symbol.iterator].name, isPairIterator ? "entries" : "values", "@@iterator function does not have the right name");1645 }, "Testing Symbol.iterator property of iterable interface " + interfaceName);1646 if (isPairIterator) {1647 test(function() {1648 assert_equals(self[interfaceName].prototype[Symbol.iterator], self[interfaceName].prototype["entries"], "entries method is not the same as @@iterator");1649 }, "Testing pair iterable interface " + interfaceName);1650 } else {1651 test(function() {1652 ["entries", "keys", "values", "forEach", Symbol.Iterator].forEach(function(property) {1653 assert_equals(self[interfaceName].prototype[property], Array.prototype[property], property + " function is not the same as Array one");1654 });1655 }, "Testing value iterable interface " + interfaceName);1656 }1657};1658//@}1659IdlInterface.prototype.test_member_stringifier = function(member)1660//@{1661{1662 test(function()1663 {1664 if (this.is_callback() && !this.has_constants()) {1665 return;1666 }1667 assert_own_property(self, this.name,1668 "self does not have own property " + format_value(this.name));1669 if (this.is_callback()) {1670 assert_false("prototype" in self[this.name],1671 this.name + ' should not have a "prototype" property');1672 return;1673 }1674 assert_own_property(self[this.name], "prototype",1675 'interface "' + this.name + '" does not have own property "prototype"');1676 // ". . . the property exists on the interface prototype object."1677 var interfacePrototypeObject = self[this.name].prototype;1678 assert_own_property(self[this.name].prototype, "toString",1679 "interface prototype object missing non-static operation");1680 var stringifierUnforgeable = member.isUnforgeable;1681 var desc = Object.getOwnPropertyDescriptor(interfacePrototypeObject, "toString");1682 // "The property has attributes { [[Writable]]: B,1683 // [[Enumerable]]: true, [[Configurable]]: B }, where B is false if the1684 // stringifier is unforgeable on the interface, and true otherwise."1685 assert_false("get" in desc, "property should not have a getter");1686 assert_false("set" in desc, "property should not have a setter");1687 assert_equals(desc.writable, !stringifierUnforgeable,1688 "property should be writable if and only if not unforgeable");1689 assert_true(desc.enumerable, "property should be enumerable");1690 assert_equals(desc.configurable, !stringifierUnforgeable,1691 "property should be configurable if and only if not unforgeable");1692 // "The value of the property is a Function object, which behaves as1693 // follows . . ."1694 assert_equals(typeof interfacePrototypeObject.toString, "function",1695 "property must be a function");1696 // "The value of the Function objectâs âlengthâ property is the Number1697 // value 0."1698 assert_equals(interfacePrototypeObject.toString.length, 0,1699 "property has wrong .length");1700 // "Let O be the result of calling ToObject on the this value."1701 assert_throws(new TypeError(), function() {1702 self[this.name].prototype.toString.apply(null, []);1703 }, "calling stringifier with this = null didn't throw TypeError");1704 // "If O is not an object that implements the interface on which the1705 // stringifier was declared, then throw a TypeError."1706 //1707 // TODO: Test a platform object that implements some other1708 // interface. (Have to be sure to get inheritance right.)1709 assert_throws(new TypeError(), function() {1710 self[this.name].prototype.toString.apply({}, []);1711 }, "calling stringifier with this = {} didn't throw TypeError");1712 }.bind(this), this.name + " interface: stringifier");1713};1714//@}1715IdlInterface.prototype.test_members = function()1716//@{1717{1718 for (var i = 0; i < this.members.length; i++)1719 {1720 var member = this.members[i];1721 switch (member.type) {1722 case "iterable":1723 this.add_iterable_members(member);1724 break;1725 // TODO: add setlike and maplike handling.1726 default:1727 break;1728 }1729 }1730 for (var i = 0; i < this.members.length; i++)1731 {1732 var member = this.members[i];1733 if (member.untested) {1734 continue;1735 }1736 if (!exposed_in(exposure_set(member, this.exposureSet))) {1737 test(function() {1738 // It's not exposed, so we shouldn't find it anywhere.1739 assert_false(member.name in self[this.name],1740 "The interface object must not have a property " +1741 format_value(member.name));1742 assert_false(member.name in self[this.name].prototype,1743 "The prototype object must not have a property " +1744 format_value(member.name));1745 }.bind(this), this.name + " interface: member " + member.name);1746 continue;1747 }1748 switch (member.type) {1749 case "const":1750 this.test_member_const(member);1751 break;1752 case "attribute":1753 // For unforgeable attributes, we do the checks in1754 // test_interface_of instead.1755 if (!member.isUnforgeable)1756 {1757 this.test_member_attribute(member);1758 }1759 if (member.stringifier) {1760 this.test_member_stringifier(member);1761 }1762 break;1763 case "operation":1764 // TODO: Need to correctly handle multiple operations with the same1765 // identifier.1766 // For unforgeable operations, we do the checks in1767 // test_interface_of instead.1768 if (member.name) {1769 if (!member.isUnforgeable)1770 {1771 this.test_member_operation(member);1772 }1773 } else if (member.stringifier) {1774 this.test_member_stringifier(member);1775 }1776 break;1777 case "iterable":1778 this.test_member_iterable(member);1779 break;1780 default:1781 // TODO: check more member types.1782 break;1783 }1784 }1785};1786//@}1787IdlInterface.prototype.test_object = function(desc)1788//@{1789{1790 var obj, exception = null;1791 try1792 {1793 obj = eval(desc);1794 }1795 catch(e)1796 {1797 exception = e;1798 }1799 var expected_typeof =1800 this.members.some(function(member) { return member.legacycaller; })1801 ? "function"1802 : "object";1803 this.test_primary_interface_of(desc, obj, exception, expected_typeof);1804 var current_interface = this;1805 while (current_interface)1806 {1807 if (!(current_interface.name in this.array.members))1808 {1809 throw "Interface " + current_interface.name + " not found (inherited by " + this.name + ")";1810 }1811 if (current_interface.prevent_multiple_testing && current_interface.already_tested)1812 {1813 return;1814 }1815 current_interface.test_interface_of(desc, obj, exception, expected_typeof);1816 current_interface = this.array.members[current_interface.base];1817 }1818};1819//@}1820IdlInterface.prototype.test_primary_interface_of = function(desc, obj, exception, expected_typeof)1821//@{1822{1823 // Only the object itself, not its members, are tested here, so if the1824 // interface is untested, there is nothing to do.1825 if (this.untested)1826 {1827 return;1828 }1829 // We can't easily test that its prototype is correct if there's no1830 // interface object, or the object is from a different global environment1831 // (not instanceof Object). TODO: test in this case that its prototype at1832 // least looks correct, even if we can't test that it's actually correct.1833 if (!this.has_extended_attribute("NoInterfaceObject")1834 && (typeof obj != expected_typeof || obj instanceof Object))1835 {1836 test(function()1837 {1838 assert_equals(exception, null, "Unexpected exception when evaluating object");1839 assert_equals(typeof obj, expected_typeof, "wrong typeof object");1840 assert_own_property(self, this.name,1841 "self does not have own property " + format_value(this.name));1842 assert_own_property(self[this.name], "prototype",1843 'interface "' + this.name + '" does not have own property "prototype"');1844 // "The value of the internal [[Prototype]] property of the1845 // platform object is the interface prototype object of the primary1846 // interface from the platform objectâs associated global1847 // environment."1848 assert_equals(Object.getPrototypeOf(obj),1849 self[this.name].prototype,1850 desc + "'s prototype is not " + this.name + ".prototype");1851 }.bind(this), this.name + " must be primary interface of " + desc);1852 }1853 // "The class string of a platform object that implements one or more1854 // interfaces must be the identifier of the primary interface of the1855 // platform object."1856 test(function()1857 {1858 assert_equals(exception, null, "Unexpected exception when evaluating object");1859 assert_equals(typeof obj, expected_typeof, "wrong typeof object");1860 assert_class_string(obj, this.name, "class string of " + desc);1861 if (!this.has_stringifier())1862 {1863 assert_equals(String(obj), "[object " + this.name + "]", "String(" + desc + ")");1864 }1865 }.bind(this), "Stringification of " + desc);1866};1867//@}1868IdlInterface.prototype.test_interface_of = function(desc, obj, exception, expected_typeof)1869//@{1870{1871 // TODO: Indexed and named properties, more checks on interface members1872 this.already_tested = true;1873 for (var i = 0; i < this.members.length; i++)1874 {1875 var member = this.members[i];1876 if (member.untested) {1877 continue;1878 }1879 if (!exposed_in(exposure_set(member, this.exposureSet))) {1880 test(function() {1881 assert_false(member.name in obj);1882 }.bind(this), this.name + "interface: " + desc + 'must not have property "' + member.name + '"');1883 continue;1884 }1885 if (member.type == "attribute" && member.isUnforgeable)1886 {1887 var a_test = async_test(this.name + " interface: " + desc + ' must have own property "' + member.name + '"');1888 a_test.step(function() {1889 assert_equals(exception, null, "Unexpected exception when evaluating object");1890 assert_equals(typeof obj, expected_typeof, "wrong typeof object");1891 // Call do_interface_attribute_asserts last, since it will call a_test.done()1892 this.do_interface_attribute_asserts(obj, member, a_test);1893 }.bind(this));...
Using AI Code Generation
1wpt.exposed_in('test.js');2wpt.exposed_in('test.js');3wpt.exposed_in('test.js');4wpt.exposed_in('test.js');5wpt.exposed_in('test.js');6wpt.exposed_in('test.js');7wpt.exposed_in('test.js');8wpt.exposed_in('test.js');9wpt.exposed_in('test.js');
Using AI Code Generation
1var wpt = require('webpagetest');2var wpt = new WebPageTest('www.webpagetest.org');3wpt.exposed_in('test', function (err, data) {4 if (err) {5 console.log(err);6 }7 console.log(data);8});9wpt.exposed_in(location, callback);10* `callback` - `function(err, data)`11wpt.exposed_in_all(callback);12* `callback` - `function(err, data)`13wpt.exposed_in_locations(callback);14* `callback` - `function(err, data)`15wpt.get_test(testId, callback);16* `callback` - `function(err, data)`17wpt.get_test_status(testId, callback);18* `callback` - `function(err, data)`19wpt.get_test_results(testId, callback);20* `callback` - `function(err, data)`21wpt.get_test_result(testId, resultId, callback);22* `callback` - `function(err, data)`23wpt.get_test_pagespeed(testId, callback);
Using AI Code Generation
1var wpt = require('webpagetest');2var server = wpt('www.webpagetest.org');3server.exposed_in('test', function (url, callback) {4 callback(url);5});6function test() {7 alert(url);8 });9}
Using AI Code Generation
1var wpt = require('wpt');2var webpagetest = new wpt('A.3a8a1e5c7b9d9a0c7a4f4d4c4b4e4a4f');3 if (err) return console.error(err);4 console.log(data);5});6var wpt = require('wpt');7var webpagetest = new wpt('A.3a8a1e5c7b9d9a0c7a4f4d4c4b4e4a4f');8var options = {
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