LayoutTests/js/dom/legacy-platform-object-defineOwnProperty.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
     <script src="../../resources/testharness.js"></script>
     <script src="../../resources/testharnessreport.js"></script>
 </head>
 <body>
 <script>
     // To test a named property setter with [OverrideBuiltins] specified, we use DOMStringMap via element.dataset.
     test(() => {
         let element = document.createElement("div");
         element.dataset["a"] = "value1";
         element.dataset["b"] = "value2";

         Object.defineProperty(element.dataset, "c", { value: "value3" });
         assert_equals(element.dataset["c"], "value3");
         assert_equals(element.getAttribute("data-c"), "value3")
     }, "Test that the setting a non-existing named property with Object.defineProperty creates the property ([OverrideBuiltins] specified).");

     test(() => {
         let element = document.createElement("div");
         element.dataset[1] = "value1";
         element.dataset[2] = "value2";

         Object.defineProperty(element.dataset, 3, { value: "value3" });
         assert_equals(element.dataset[3], "value3");
         assert_equals(element.getAttribute("data-3"), "value3")
     }, "Test that the setting a non-existing indexed property with Object.defineProperty creates the property ([OverrideBuiltins] specified).");

     test(() => {
         let element = document.createElement("div");
         element.dataset["a"] = "value1";
         element.dataset["b"] = "value2";

         Object.defineProperty(element.dataset, "a", { value: "value3" });
         assert_equals(element.dataset["a"], "value3");
         assert_equals(element.getAttribute("data-a"), "value3")
     }, "Test that the setting an existing named property with Object.defineProperty replaces the value ([OverrideBuiltins] specified).");

     test(() => {
         let element = document.createElement("div");
         element.dataset[1] = "value1";
         element.dataset[2] = "value2";

         Object.defineProperty(element.dataset, 1, { value: "value3" });
         assert_equals(element.dataset[1], "value3");
         assert_equals(element.getAttribute("data-1"), "value3")
     }, "Test that the setting an existing indexed property with Object.defineProperty replaces the value ([OverrideBuiltins] specified).");

     test(() => {
         let element = document.createElement("div");
         element.dataset["a"] = "value1";
         element.dataset["b"] = "value2";

         assert_throws_dom("SyntaxError", () => {
             Object.defineProperty(element.dataset, "-invalid", { value: "value3" });
         });
         assert_not_equals(element.dataset["-invalid"], 'value3');
         assert_not_equals(element.getAttribute("data--invalid"), "value3")
     }, "Test that the setting a non-existing but invalid named property with Object.defineProperty throws ([OverrideBuiltins] specified).");

     test(() => {
         let element = document.createElement("div");
         element.dataset["a"] = "value1";
         element.dataset["b"] = "value2";

         assert_equals(element.dataset["c"], undefined);
         Object.defineProperty(element.dataset, "c", {
             get: function() { return 1; },
             set: function(newValue) { }
         });
         assert_equals(element.dataset["c"], undefined);
     }, "Test that the setting a non-data descriptor property with Object.defineProperty does not set anything ([OverrideBuiltins] specified).");

     test((t) => {
         t.add_cleanup(() => {
           delete DOMStringMap.prototype["c"];
         });

         let element = document.createElement("div");

         DOMStringMap.prototype["c"] = 'prototype-value';
         Object.defineProperty(element.dataset, "c", { value: "map-value" });

         assert_equals(element.dataset["c"], "map-value");
         assert_equals(element.getAttribute("data-c"), "map-value")
         assert_equals(DOMStringMap.prototype["c"], "prototype-value")
     }, "Test that the setting a named property with Object.defineProperty that shadows an existing prototype value still creates the item ([OverrideBuiltins] specified).");


     // To test a named property setter without [OverrideBuiltins] specified, we use Storage via window.sessionStorage.
     test((t) => {
         t.add_cleanup(() => {
           window.sessionStorage.clear();
         });

         window.sessionStorage.clear();
         assert_equals(window.sessionStorage.length, 0);

         window.sessionStorage["a"] = "value1";
         window.sessionStorage["b"] = "value2";

         Object.defineProperty(window.sessionStorage, "c", { value: "value3" });
         assert_equals(window.sessionStorage["c"], "value3");
         assert_equals(window.sessionStorage.getItem("c"), "value3")
     }, "Test that the setting a non-existing named property with Object.defineProperty creates the property ([OverrideBuiltins] not specified).");

     test((t) => {
         t.add_cleanup(() => {
           window.sessionStorage.clear();
         });

         window.sessionStorage.clear();
         assert_equals(window.sessionStorage.length, 0);

         window.sessionStorage["a"] = "value1";
         window.sessionStorage["b"] = "value2";

         Object.defineProperty(window.sessionStorage, 3, { value: "value3" });
         assert_equals(window.sessionStorage[3], "value3");
         assert_equals(window.sessionStorage.getItem("3"), "value3")
     }, "Test that the setting a non-existing indexed property with Object.defineProperty creates the property ([OverrideBuiltins] not specified).");

     test((t) => {
         t.add_cleanup(() => {
           window.sessionStorage.clear();
         });

         window.sessionStorage.clear();
         assert_equals(window.sessionStorage.length, 0);

         window.sessionStorage["a"] = "value1";
         window.sessionStorage["b"] = "value2";

         Object.defineProperty(window.sessionStorage, "a", { value: "value3" });
         assert_equals(window.sessionStorage["a"], "value3");
         assert_equals(window.sessionStorage.getItem("a"), "value3")
     }, "Test that the setting an existing named property with Object.defineProperty replaces the value ([OverrideBuiltins] not specified).");

     test((t) => {
         t.add_cleanup(() => {
           window.sessionStorage.clear();
         });

         window.sessionStorage.clear();
         assert_equals(window.sessionStorage.length, 0);

         window.sessionStorage["a"] = "value1";
         window.sessionStorage["b"] = "value2";

         Object.defineProperty(window.sessionStorage, 1, { value: "value3" });
         assert_equals(window.sessionStorage[1], "value3");
         assert_equals(window.sessionStorage.getItem("1"), "value3")
     }, "Test that the setting an existing indexed property with Object.defineProperty replaces the value ([OverrideBuiltins] not specified).");

     test((t) => {
         t.add_cleanup(() => {
           window.sessionStorage.clear();
         });

         window.sessionStorage.clear();
         assert_equals(window.sessionStorage.length, 0);

         window.sessionStorage["a"] = "value1";
         window.sessionStorage["b"] = "value2";

         assert_equals(window.sessionStorage["c"], undefined);
         Object.defineProperty(window.sessionStorage, "c", {
             get: function() { return 1; },
             set: function(newValue) { }
         });
         assert_equals(window.sessionStorage["c"], undefined);
     }, "Test that the setting a non-data descriptor property with Object.defineProperty does not set anything ([OverrideBuiltins] not specified).");

     test((t) => {
         t.add_cleanup(() => {
             window.sessionStorage.clear();
             delete Storage.prototype["c"];
         });

         Storage.prototype["c"] = 'prototype-value';
         Object.defineProperty(window.sessionStorage, "c", { value: "map-value" });

         assert_equals(window.sessionStorage["c"], "prototype-value");
         assert_equals(window.sessionStorage.getItem("c"), "map-value")
         assert_equals(Storage.prototype["c"], "prototype-value")
     }, "Test that the setting a named property with Object.defineProperty that shadows an existing prototype value still creates the item ([OverrideBuiltins] not specified).");


     test((t) => {
         t.add_cleanup(() => {
           window.sessionStorage.clear();
         });

         window.sessionStorage.clear();
         assert_equals(window.sessionStorage.length, 0);

         window.sessionStorage["a"] = "value1";
         window.sessionStorage["b"] = "value2";

         let currentLength = window.sessionStorage.length;

         Object.defineProperty(window.sessionStorage, "length", { value: "value3" });
         assert_equals(window.sessionStorage['length'], currentLength + 1);
         assert_equals(window.sessionStorage.getItem("length"), "value3")
     }, "Test that the trying to set a named property, matching a builtin property name, with Object.defineProperty does nothing ([OverrideBuiltins] not specified).");
 </script>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<script src="../../resources/testharness.js"></script>
	<script src="../../resources/testharnessreport.js"></script>
	</head>
	<body>
	<script>
	// To test a named property setter with [OverrideBuiltins] specified, we use DOMStringMap via element.dataset.
	test(() => {
	let element = document.createElement("div");
	element.dataset["a"] = "value1";
	element.dataset["b"] = "value2";

	Object.defineProperty(element.dataset, "c", { value: "value3" });
	assert_equals(element.dataset["c"], "value3");
	assert_equals(element.getAttribute("data-c"), "value3")
	}, "Test that the setting a non-existing named property with Object.defineProperty creates the property ([OverrideBuiltins] specified).");

	test(() => {
	let element = document.createElement("div");
	element.dataset[1] = "value1";
	element.dataset[2] = "value2";

	Object.defineProperty(element.dataset, 3, { value: "value3" });
	assert_equals(element.dataset[3], "value3");
	assert_equals(element.getAttribute("data-3"), "value3")
	}, "Test that the setting a non-existing indexed property with Object.defineProperty creates the property ([OverrideBuiltins] specified).");

	test(() => {
	let element = document.createElement("div");
	element.dataset["a"] = "value1";
	element.dataset["b"] = "value2";

	Object.defineProperty(element.dataset, "a", { value: "value3" });
	assert_equals(element.dataset["a"], "value3");
	assert_equals(element.getAttribute("data-a"), "value3")
	}, "Test that the setting an existing named property with Object.defineProperty replaces the value ([OverrideBuiltins] specified).");

	test(() => {
	let element = document.createElement("div");
	element.dataset[1] = "value1";
	element.dataset[2] = "value2";

	Object.defineProperty(element.dataset, 1, { value: "value3" });
	assert_equals(element.dataset[1], "value3");
	assert_equals(element.getAttribute("data-1"), "value3")
	}, "Test that the setting an existing indexed property with Object.defineProperty replaces the value ([OverrideBuiltins] specified).");

	test(() => {
	let element = document.createElement("div");
	element.dataset["a"] = "value1";
	element.dataset["b"] = "value2";

	assert_throws_dom("SyntaxError", () => {
	Object.defineProperty(element.dataset, "-invalid", { value: "value3" });
	});
	assert_not_equals(element.dataset["-invalid"], 'value3');
	assert_not_equals(element.getAttribute("data--invalid"), "value3")
	}, "Test that the setting a non-existing but invalid named property with Object.defineProperty throws ([OverrideBuiltins] specified).");

	test(() => {
	let element = document.createElement("div");
	element.dataset["a"] = "value1";
	element.dataset["b"] = "value2";

	assert_equals(element.dataset["c"], undefined);
	Object.defineProperty(element.dataset, "c", {
	get: function() { return 1; },
	set: function(newValue) { }
	});
	assert_equals(element.dataset["c"], undefined);
	}, "Test that the setting a non-data descriptor property with Object.defineProperty does not set anything ([OverrideBuiltins] specified).");

	test((t) => {
	t.add_cleanup(() => {
	delete DOMStringMap.prototype["c"];
	});

	let element = document.createElement("div");

	DOMStringMap.prototype["c"] = 'prototype-value';
	Object.defineProperty(element.dataset, "c", { value: "map-value" });

	assert_equals(element.dataset["c"], "map-value");
	assert_equals(element.getAttribute("data-c"), "map-value")
	assert_equals(DOMStringMap.prototype["c"], "prototype-value")
	}, "Test that the setting a named property with Object.defineProperty that shadows an existing prototype value still creates the item ([OverrideBuiltins] specified).");


	// To test a named property setter without [OverrideBuiltins] specified, we use Storage via window.sessionStorage.
	test((t) => {
	t.add_cleanup(() => {
	window.sessionStorage.clear();
	});

	window.sessionStorage.clear();
	assert_equals(window.sessionStorage.length, 0);

	window.sessionStorage["a"] = "value1";
	window.sessionStorage["b"] = "value2";

	Object.defineProperty(window.sessionStorage, "c", { value: "value3" });
	assert_equals(window.sessionStorage["c"], "value3");
	assert_equals(window.sessionStorage.getItem("c"), "value3")
	}, "Test that the setting a non-existing named property with Object.defineProperty creates the property ([OverrideBuiltins] not specified).");

	test((t) => {
	t.add_cleanup(() => {
	window.sessionStorage.clear();
	});

	window.sessionStorage.clear();
	assert_equals(window.sessionStorage.length, 0);

	window.sessionStorage["a"] = "value1";
	window.sessionStorage["b"] = "value2";

	Object.defineProperty(window.sessionStorage, 3, { value: "value3" });
	assert_equals(window.sessionStorage[3], "value3");
	assert_equals(window.sessionStorage.getItem("3"), "value3")
	}, "Test that the setting a non-existing indexed property with Object.defineProperty creates the property ([OverrideBuiltins] not specified).");

	test((t) => {
	t.add_cleanup(() => {
	window.sessionStorage.clear();
	});

	window.sessionStorage.clear();
	assert_equals(window.sessionStorage.length, 0);

	window.sessionStorage["a"] = "value1";
	window.sessionStorage["b"] = "value2";

	Object.defineProperty(window.sessionStorage, "a", { value: "value3" });
	assert_equals(window.sessionStorage["a"], "value3");
	assert_equals(window.sessionStorage.getItem("a"), "value3")
	}, "Test that the setting an existing named property with Object.defineProperty replaces the value ([OverrideBuiltins] not specified).");

	test((t) => {
	t.add_cleanup(() => {
	window.sessionStorage.clear();
	});

	window.sessionStorage.clear();
	assert_equals(window.sessionStorage.length, 0);

	window.sessionStorage["a"] = "value1";
	window.sessionStorage["b"] = "value2";

	Object.defineProperty(window.sessionStorage, 1, { value: "value3" });
	assert_equals(window.sessionStorage[1], "value3");
	assert_equals(window.sessionStorage.getItem("1"), "value3")
	}, "Test that the setting an existing indexed property with Object.defineProperty replaces the value ([OverrideBuiltins] not specified).");

	test((t) => {
	t.add_cleanup(() => {
	window.sessionStorage.clear();
	});

	window.sessionStorage.clear();
	assert_equals(window.sessionStorage.length, 0);

	window.sessionStorage["a"] = "value1";
	window.sessionStorage["b"] = "value2";

	assert_equals(window.sessionStorage["c"], undefined);
	Object.defineProperty(window.sessionStorage, "c", {
	get: function() { return 1; },
	set: function(newValue) { }
	});
	assert_equals(window.sessionStorage["c"], undefined);
	}, "Test that the setting a non-data descriptor property with Object.defineProperty does not set anything ([OverrideBuiltins] not specified).");

	test((t) => {
	t.add_cleanup(() => {
	window.sessionStorage.clear();
	delete Storage.prototype["c"];
	});

	Storage.prototype["c"] = 'prototype-value';
	Object.defineProperty(window.sessionStorage, "c", { value: "map-value" });

	assert_equals(window.sessionStorage["c"], "prototype-value");
	assert_equals(window.sessionStorage.getItem("c"), "map-value")
	assert_equals(Storage.prototype["c"], "prototype-value")
	}, "Test that the setting a named property with Object.defineProperty that shadows an existing prototype value still creates the item ([OverrideBuiltins] not specified).");


	test((t) => {
	t.add_cleanup(() => {
	window.sessionStorage.clear();
	});

	window.sessionStorage.clear();
	assert_equals(window.sessionStorage.length, 0);

	window.sessionStorage["a"] = "value1";
	window.sessionStorage["b"] = "value2";

	let currentLength = window.sessionStorage.length;

	Object.defineProperty(window.sessionStorage, "length", { value: "value3" });
	assert_equals(window.sessionStorage['length'], currentLength + 1);
	assert_equals(window.sessionStorage.getItem("length"), "value3")
	}, "Test that the trying to set a named property, matching a builtin property name, with Object.defineProperty does nothing ([OverrideBuiltins] not specified).");
	</script>
	</body>
	</html>