LayoutTests/inspector/unit-tests/set-utilities.html - external/github.com/WebKit/webkit - Git at Google

 <!DOCTYPE html>
 <html>
 <head>
 <script src="../../http/tests/inspector/resources/inspector-test.js"></script>
 <script>
 function test()
 {
     let suite = InspectorTest.createSyncSuite("Set");

     suite.addTestCase({
         name: "Set.prototype.find",
         test() {
             let set = new Set(["a", "b"]);
             InspectorTest.expectEqual(set.find((item) => item === "b"), "b", "Set can find a item it holds.");
             InspectorTest.expectEqual(set.find((item) => typeof item === "string"), "a", "Set finds the first item if the given predicate matches multiple items.");
             InspectorTest.expectEqual(set.find((item) => typeof item === "number"), undefined, "Set returns 'undefined' when attempting to find an item if the given predicate doesn't match anything.");
         },
     });

     suite.addTestCase({
         name: "Set.prototype.filter",
         test() {
             function test(set, callback, thisArg, expected, message) {
                 InspectorTest.expectShallowEqual(Array.from(set.filter(callback, thisArg)), expected, message);
             }

             const set1 = new Set([1, 2, 3, 4]);
             const set2 = new Set([2, 4]);

             test(set1, function(value) { return value % 2; }, null, [1, 3], "Set can filter based on the value.");
             test(set1, function(value, key) { return key % 2; }, null, [1, 3], "Set can filter based on the key.");
             test(set1, function(value, key, set) { return set === set1; }, null, [1, 2, 3, 4], "Set can filter based on the set object.");
             test(set1, function(value, key, set) { return this.has(key); }, set2, [2, 4], "Set can filter with a different this.");
             test(set1, function(value, key, set) { return this !== set; }, set2, [1, 2, 3, 4], "Set can filter based on the set object with a different this.");
         },
     });

     suite.addTestCase({
         name: "Set.prototype.some",
         test() {
             function test(set, callback, thisArg, expected, message) {
                 InspectorTest.expectEqual(set.some(callback, thisArg), expected, message);
             }

             const set1 = new Set([1, 2, 3, 4]);
             const set2 = new Set([2, 4]);

             test(set1, function(value) { return value % 2; }, null, true, "Set can 'some' based on the value.");
             test(set1, function(value, key) { return key === 5; }, null, false, "Set can 'some' based on the key.");
             test(set1, function(value, key, set) { return set === set1; }, null, true, "Set can 'some' based on the set object.");
             test(set1, function(value, key, set) { return this.has(key); }, set2, true, "Set can 'some' with a different this.");
             test(set1, function(value, key, set) { return this === set; }, set2, false, "Set can 'some' based on the set object with a different this.");
         },
     });

     suite.addTestCase({
         name: "Set.prototype.pushAll",
         test() {
             function test(iterable) {
                 let set = new Set([1, 2]);

                 function stringify(object)
                 {
                     let string = JSON.stringify(Array.from(object), function(key, value) {
                         if (value instanceof Node)
                             return "<" + value.localName + ">";
                         return value;
                     });
                     return string.replace(/"(<[^>]*>)"/g, "$1");
                 }

                 let before = stringify(set);
                 set.addAll(iterable);
                 let after = stringify(set);

                 InspectorTest.log(before + " => " + after);
             }

             InspectorTest.log("Array:");
             test(["a1", "a2"]);

             InspectorTest.newline();

             InspectorTest.log("Set:");
             const set = new Set(["s1", "s2"]);
             test(set);
             test(set.entries());
             test(set.keys());
             test(set.values());

             InspectorTest.newline();

             InspectorTest.log("Map:");
             const map = new Map([["m1k", "m1v"], ["m2k", "m2v"]]);
             test(map);
             test(map.entries());
             test(map.keys());
             test(map.values());

             InspectorTest.newline();

             InspectorTest.log("Object:");
             const object = {
                 o1k: "o1v",
                 o2k: "o2v",
             };
             test(Object.entries(object));
             test(Object.keys(object));
             test(Object.values(object));

             InspectorTest.newline();

             InspectorTest.log("Generator:");
             function* generator() {
                 yield "g1";
                 yield "g2";
             }
             test(generator());

             InspectorTest.newline();

             InspectorTest.log("Node:");
             const node = document.createElement("div");
             node.appendChild(document.createElement("n1"));
             node.appendChild(document.createElement("n2"));
             test(node.children);
             test(node.querySelectorAll("*"));

             InspectorTest.newline();

             InspectorTest.log("Object (doesn't have [Symbol.iterator]):");
             InspectorTest.expectException(() => {
                 test(object);
             });
         },
     });

     suite.addTestCase({
         name: "Set.prototype.take",
         test() {
             const key = "key";

             let set = new Set;
             set.add(key);
             InspectorTest.expectEqual(set.take(key), key, "Set can take `key`.");
             InspectorTest.expectFalse(set.has(key), "Set no longer has `key`.");
             InspectorTest.expectEqual(set.take(key), undefined, "Set can NOT take `key`.");
             InspectorTest.expectEqual(set.take("DNE"), undefined, "Set can NOT take `DNE`, as it does NOT exist.");
         }
     });

     suite.addTestCase({
         name: "Set.prototype.equals",
         test() {
             function testTrue(a, b, message) {
                 InspectorTest.expectThat((new Set(a)).equals(new Set(b)), message);
             }

             function testFalse(a, b, message) {
                 InspectorTest.expectFalse((new Set(a)).equals(new Set(b)), message);
             }

             const object1 = {a: 1};
             const object2 = {b: 2};
             const object3 = {c: 3};

             testTrue([], [], "an empty set should be equal to another empty set.");
             testTrue([1, "a", object1], [1, "a", object1], "a set should be equal to another set with the same values.");
             testTrue([1, "a", object1], [object1, 1, "a"], "a set should be equal to another set with the same values in a different order.");
             testFalse([1, "a", object1], [2, "b", object2], "a set should not be a equal to another set with different values.");
             testFalse([1, 2, "a", "b", object1, object2], [1, 3, "a", "c", object1, object3], "a set should not be equal to another set with same and different values.");
         }
     });

     suite.addTestCase({
         name: "Set.prototype.firstValue",
         test() {
             function testFirstValue(values) {
                 let expected = values[0];
                 InspectorTest.expectEqual(new Set(values).firstValue, expected, `Set with values [${values}] should have firstValue equal to ${expected}.`);
             }

             testFirstValue([]);
             testFirstValue([1, 2, 3]);
         }
     });

     suite.addTestCase({
         name: "Set.prototype.lastValue",
         test() {
             function testLastValue(values) {
                 let expected = values.lastValue;
                 InspectorTest.expectEqual(new Set(values).lastValue, expected, `Set with values [${values}] should have lastValue equal to ${expected}.`);
             }

             testLastValue([]);
             testLastValue([1, 2, 3]);
         }
     });

     suite.runTestCasesAndFinish();
 }
 </script>
 </head>
 <body onLoad="runTest()">
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<script src="../../http/tests/inspector/resources/inspector-test.js"></script>
	<script>
	function test()
	{
	let suite = InspectorTest.createSyncSuite("Set");

	suite.addTestCase({
	name: "Set.prototype.find",
	test() {
	let set = new Set(["a", "b"]);
	InspectorTest.expectEqual(set.find((item) => item === "b"), "b", "Set can find a item it holds.");
	InspectorTest.expectEqual(set.find((item) => typeof item === "string"), "a", "Set finds the first item if the given predicate matches multiple items.");
	InspectorTest.expectEqual(set.find((item) => typeof item === "number"), undefined, "Set returns 'undefined' when attempting to find an item if the given predicate doesn't match anything.");
	},
	});

	suite.addTestCase({
	name: "Set.prototype.filter",
	test() {
	function test(set, callback, thisArg, expected, message) {
	InspectorTest.expectShallowEqual(Array.from(set.filter(callback, thisArg)), expected, message);
	}

	const set1 = new Set([1, 2, 3, 4]);
	const set2 = new Set([2, 4]);

	test(set1, function(value) { return value % 2; }, null, [1, 3], "Set can filter based on the value.");
	test(set1, function(value, key) { return key % 2; }, null, [1, 3], "Set can filter based on the key.");
	test(set1, function(value, key, set) { return set === set1; }, null, [1, 2, 3, 4], "Set can filter based on the set object.");
	test(set1, function(value, key, set) { return this.has(key); }, set2, [2, 4], "Set can filter with a different this.");
	test(set1, function(value, key, set) { return this !== set; }, set2, [1, 2, 3, 4], "Set can filter based on the set object with a different this.");
	},
	});

	suite.addTestCase({
	name: "Set.prototype.some",
	test() {
	function test(set, callback, thisArg, expected, message) {
	InspectorTest.expectEqual(set.some(callback, thisArg), expected, message);
	}

	const set1 = new Set([1, 2, 3, 4]);
	const set2 = new Set([2, 4]);

	test(set1, function(value) { return value % 2; }, null, true, "Set can 'some' based on the value.");
	test(set1, function(value, key) { return key === 5; }, null, false, "Set can 'some' based on the key.");
	test(set1, function(value, key, set) { return set === set1; }, null, true, "Set can 'some' based on the set object.");
	test(set1, function(value, key, set) { return this.has(key); }, set2, true, "Set can 'some' with a different this.");
	test(set1, function(value, key, set) { return this === set; }, set2, false, "Set can 'some' based on the set object with a different this.");
	},
	});

	suite.addTestCase({
	name: "Set.prototype.pushAll",
	test() {
	function test(iterable) {
	let set = new Set([1, 2]);

	function stringify(object)
	{
	let string = JSON.stringify(Array.from(object), function(key, value) {
	if (value instanceof Node)
	return "<" + value.localName + ">";
	return value;
	});
	return string.replace(/"(<[^>]*>)"/g, "$1");
	}

	let before = stringify(set);
	set.addAll(iterable);
	let after = stringify(set);

	InspectorTest.log(before + " => " + after);
	}

	InspectorTest.log("Array:");
	test(["a1", "a2"]);

	InspectorTest.newline();

	InspectorTest.log("Set:");
	const set = new Set(["s1", "s2"]);
	test(set);
	test(set.entries());
	test(set.keys());
	test(set.values());

	InspectorTest.newline();

	InspectorTest.log("Map:");
	const map = new Map([["m1k", "m1v"], ["m2k", "m2v"]]);
	test(map);
	test(map.entries());
	test(map.keys());
	test(map.values());

	InspectorTest.newline();

	InspectorTest.log("Object:");
	const object = {
	o1k: "o1v",
	o2k: "o2v",
	};
	test(Object.entries(object));
	test(Object.keys(object));
	test(Object.values(object));

	InspectorTest.newline();

	InspectorTest.log("Generator:");
	function* generator() {
	yield "g1";
	yield "g2";
	}
	test(generator());

	InspectorTest.newline();

	InspectorTest.log("Node:");
	const node = document.createElement("div");
	node.appendChild(document.createElement("n1"));
	node.appendChild(document.createElement("n2"));
	test(node.children);
	test(node.querySelectorAll("*"));

	InspectorTest.newline();

	InspectorTest.log("Object (doesn't have [Symbol.iterator]):");
	InspectorTest.expectException(() => {
	test(object);
	});
	},
	});

	suite.addTestCase({
	name: "Set.prototype.take",
	test() {
	const key = "key";

	let set = new Set;
	set.add(key);
	InspectorTest.expectEqual(set.take(key), key, "Set can take `key`.");
	InspectorTest.expectFalse(set.has(key), "Set no longer has `key`.");
	InspectorTest.expectEqual(set.take(key), undefined, "Set can NOT take `key`.");
	InspectorTest.expectEqual(set.take("DNE"), undefined, "Set can NOT take `DNE`, as it does NOT exist.");
	}
	});

	suite.addTestCase({
	name: "Set.prototype.equals",
	test() {
	function testTrue(a, b, message) {
	InspectorTest.expectThat((new Set(a)).equals(new Set(b)), message);
	}

	function testFalse(a, b, message) {
	InspectorTest.expectFalse((new Set(a)).equals(new Set(b)), message);
	}

	const object1 = {a: 1};
	const object2 = {b: 2};
	const object3 = {c: 3};

	testTrue([], [], "an empty set should be equal to another empty set.");
	testTrue([1, "a", object1], [1, "a", object1], "a set should be equal to another set with the same values.");
	testTrue([1, "a", object1], [object1, 1, "a"], "a set should be equal to another set with the same values in a different order.");
	testFalse([1, "a", object1], [2, "b", object2], "a set should not be a equal to another set with different values.");
	testFalse([1, 2, "a", "b", object1, object2], [1, 3, "a", "c", object1, object3], "a set should not be equal to another set with same and different values.");
	}
	});

	suite.addTestCase({
	name: "Set.prototype.firstValue",
	test() {
	function testFirstValue(values) {
	let expected = values[0];
	InspectorTest.expectEqual(new Set(values).firstValue, expected, `Set with values [${values}] should have firstValue equal to ${expected}.`);
	}

	testFirstValue([]);
	testFirstValue([1, 2, 3]);
	}
	});

	suite.addTestCase({
	name: "Set.prototype.lastValue",
	test() {
	function testLastValue(values) {
	let expected = values.lastValue;
	InspectorTest.expectEqual(new Set(values).lastValue, expected, `Set with values [${values}] should have lastValue equal to ${expected}.`);
	}

	testLastValue([]);
	testLastValue([1, 2, 3]);
	}
	});

	suite.runTestCasesAndFinish();
	}
	</script>
	</head>
	<body onLoad="runTest()">
	</body>
	</html>