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Bug 1529462 [wpt PR 15482] - Add some tests for the realms involved in creating new platform objects., a=testonly
Automatic update from web-platform-tests Add some tests for the realms involved in creating new platform objects. (#15482) -- wpt-commits: 1b2fbac6ae44eb3b88c1b01da2d2358eb2f7ef45 wpt-pr: 15482
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<!DOCTYPE html>
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<script>
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window.badNewTarget = function() {};
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badNewTarget.prototype = 8;
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window.DOMParserSubclass = class extends DOMParser {}
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window.ForeignDOMParserSubclass = class extends parent.DOMParser {}
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</script>
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<!DOCTYPE html>
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<meta charset=utf-8>
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<title>Realm for constructed objects</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<div id=log></div>
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<script>
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function object_realm(dp) {
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// Note that browsers use the URL of the relevant global object's associated
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// Document.
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// https://github.com/w3c/DOM-Parsing/issues/46
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var url = DOMParser.prototype.parseFromString.call(dp, "x", "text/html").documentURI;
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var file = url.slice(url.lastIndexOf("/") + 1);
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switch (file) {
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case "constructors.html":
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return "parent window";
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case "constructors-support.html":
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return "child window";
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default:
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return "???";
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}
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}
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async_test(function() {
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var iframe = document.createElement("iframe");
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iframe.onload = this.step_func_done(function() {
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var child = iframe.contentWindow;
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test(function() {
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var dp = new DOMParser();
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assert_equals(Object.getPrototypeOf(dp), DOMParser.prototype);
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assert_equals(object_realm(dp), "parent window");
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}, "Normal constructor in parent window");
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test(function() {
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var dp = new child.DOMParser();
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assert_equals(Object.getPrototypeOf(dp), child.DOMParser.prototype);
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assert_equals(object_realm(dp), "child window");
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}, "Normal constructor in child window");
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test(function() {
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var dp = Reflect.construct(child.DOMParser, [], DOMParser);
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assert_equals(Object.getPrototypeOf(dp), DOMParser.prototype);
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assert_equals(object_realm(dp), "child window");
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}, "Constructor in child window with normal NewTarget from parent window");
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test(function() {
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var dp = Reflect.construct(DOMParser, [], child.DOMParser);
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assert_equals(Object.getPrototypeOf(dp), child.DOMParser.prototype);
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assert_equals(object_realm(dp), "parent window");
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}, "Constructor in parent window with normal NewTarget from child window");
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test(function() {
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class DOMParserSubclass extends DOMParser {}
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var dp = new DOMParserSubclass();
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assert_equals(Object.getPrototypeOf(dp), DOMParserSubclass.prototype);
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assert_equals(object_realm(dp), "parent window");
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}, "Subclass constructor in parent window");
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test(function() {
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var dp = new child.DOMParserSubclass();
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assert_equals(Object.getPrototypeOf(dp), child.DOMParserSubclass.prototype);
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assert_equals(object_realm(dp), "child window");
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}, "Subclass constructor in child window");
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test(function() {
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class ForeignDOMParserSubclass extends child.DOMParser {}
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var dp = new ForeignDOMParserSubclass();
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assert_equals(Object.getPrototypeOf(dp), ForeignDOMParserSubclass.prototype);
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assert_equals(object_realm(dp), "child window");
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}, "Subclass constructor in parent window with parent class in child window");
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test(function() {
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var dp = new child.ForeignDOMParserSubclass();
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assert_equals(Object.getPrototypeOf(dp), child.ForeignDOMParserSubclass.prototype);
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assert_equals(object_realm(dp), "parent window");
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}, "Subclass constructor in child window with parent class in parent window");
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test(function() {
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var badNewTarget = function() {};
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badNewTarget.prototype = 7;
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var dp = Reflect.construct(child.DOMParser, [], badNewTarget);
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assert_equals(Object.getPrototypeOf(dp), DOMParser.prototype);
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assert_equals(object_realm(dp), "child window");
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}, "Constructor in child window with bad NewTarget from parent window");
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test(function() {
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var dp = Reflect.construct(DOMParser, [], child.badNewTarget);
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assert_equals(Object.getPrototypeOf(dp), child.DOMParser.prototype);
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assert_equals(object_realm(dp), "parent window");
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}, "Constructor in parent window with bad NewTarget from child window");
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});
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iframe.src = "constructors-support.html";
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document.body.appendChild(iframe);
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});
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</script>
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