| <!doctype html> |
| <title>HighlightRegistry has a maplike interface</title> |
| <link rel="help" href="https://drafts.csswg.org/css-highlight-api-1/"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| 'use strict'; |
| |
| test(() => { |
| assert_not_equals(window.HighlightRegistry, undefined, 'HighlightRegistry is in window'); |
| assert_equals(typeof HighlightRegistry, 'function', 'HighlightRegistry is a function'); |
| assert_throws_js(TypeError, function () { var x = new HighlightRegistry(); }, |
| 'HighlightRegistry constructor throws'); |
| |
| assert_not_equals(CSS.highlights, undefined, 'CSS.highlights exists'); |
| assert_equals(CSS.highlights.__proto__, window.HighlightRegistry.prototype, |
| 'CSS.highlights and window.HighlightRegistry have same prototype'); |
| |
| assert_equals(CSS.highlights.size, 0, 'HighlightRegistry starts empty'); |
| }, 'HighlightRegistry initializes as it should.'); |
| |
| test(() => { |
| let name1 = "example1"; |
| let name2 = "example2"; |
| let h1 = new Highlight(); |
| let h2 = new Highlight(); |
| |
| assert_false(CSS.highlights.has(name1), 'HighlightRegistry.has returns false when it doesn\'t have the key which is called with as argument.'); |
| CSS.highlights.set(name1, h1); |
| assert_true(CSS.highlights.has(name1), 'HighlightRegistry.has returns true when it has the key which is called with as argument.'); |
| assert_equals(CSS.highlights.size, 1, 'HighlightRegistry.size is 1 after only inserting 1 key.'); |
| |
| assert_false(CSS.highlights.delete(name2), 'HighlightRegistry.delete returns false when trying to delete an key that is not in the map.'); |
| assert_equals(CSS.highlights.size, 1, 'HighlightRegistry.size stays the same after trying to delete a non-existing key.'); |
| |
| CSS.highlights.set(name2, h2); |
| assert_true(CSS.highlights.has(name1), 'HighlightRegistry.has returns true when it is called with the key inserted first'); |
| assert_true(CSS.highlights.has(name2), 'HighlightRegistry.has returns true when it is called with the key inserted second'); |
| assert_equals(CSS.highlights.get(name1), h1, 'HighlightRegistry.get returns the first Highlight when it is called with the key inserted first'); |
| assert_equals(CSS.highlights.get(name2), h2, 'HighlightRegistry.get returns the second Highlight when it is called with the key inserted second'); |
| assert_equals(CSS.highlights.size, 2, 'HighlightRegistry.size is 2 after only inserting two different keys.'); |
| |
| assert_true(CSS.highlights.delete(name2), 'HighlightRegistry.delete returns true when trying to delete a key that is in the group.'); |
| assert_true(CSS.highlights.has(name1), 'HighlightRegistry.has returns true when it is called with the key inserted first'); |
| assert_false(CSS.highlights.has(name2), 'HighlightRegistry.has returns true when it is called with the key that was deleted'); |
| assert_equals(CSS.highlights.get(name1), h1, 'HighlightRegistry.get still returns the first Highlight when it is called with the key inserted first'); |
| assert_equals(CSS.highlights.get(name2), undefined, 'HighlightRegistry.get returns undefined when it is called with a key that was deleted'); |
| assert_equals(CSS.highlights.size, 1, 'HighlightRegistry.size decreases in 1 after deleting an existing key.'); |
| |
| assert_false(CSS.highlights.delete(name2), 'HighlightRegistry.delete returns false when trying to delete a key that was already deleted.'); |
| assert_true(CSS.highlights.has(name1), 'HighlightRegistry.has returns true when it is called with the key inserted first'); |
| assert_false(CSS.highlights.has(name2), 'HighlightRegistry.has returns false when it is called with a key that was deleted twice'); |
| assert_equals(CSS.highlights.get(name1), h1, 'HighlightRegistry.get still returns the first Highlight when it is called with the key inserted first'); |
| assert_equals(CSS.highlights.get(name2), undefined, 'HighlightRegistry.get still returns undefined when it is called with a key that was deleted'); |
| assert_equals(CSS.highlights.size, 1, 'HighlightRegistry.size stays the same after trying to delete the same key for a second time.'); |
| |
| assert_true(CSS.highlights.delete(name1), 'HighlightRegistry.delete returns true when trying to delete the remaining key'); |
| assert_false(CSS.highlights.has(name1), 'HighlightRegistry.has returns false when it is called with the key inserted first and then deleted'); |
| assert_false(CSS.highlights.has(name2), 'HighlightRegistry.has returns false when it is called with the key inserted second and then deleted'); |
| assert_equals(CSS.highlights.get(name1), undefined, 'HighlightRegistry.get returns undefined when it is called with a key that was deleted'); |
| assert_equals(CSS.highlights.get(name2), undefined, 'HighlightRegistry.get returns undefined when it is called with a key that was deleted'); |
| assert_equals(CSS.highlights.size, 0, 'HighlightRegistry.size decreases in 1 after deleting an existing key.'); |
| |
| CSS.highlights.set(name1, h1); |
| CSS.highlights.set(name1, h2); |
| assert_equals(CSS.highlights.size, 1, 'HighlightRegistry.size keeps the same after an insertion of a Highlight with an existing name'); |
| assert_equals(CSS.highlights.get(name1), h2, 'The Highlight inserted with the same name as an existing one was effectively inserted into the registry'); |
| |
| CSS.highlights.clear(); |
| assert_equals(CSS.highlights.size, 0, 'HighlightRegistry.clear empties the map.'); |
| CSS.highlights.clear(); |
| assert_equals(CSS.highlights.size, 0, 'HighlightRegistry.clear called with an empty registry keeps it empty.'); |
| |
| CSS.highlights.set(name1, h1).set(name2, h2); |
| assert_equals(CSS.highlights.size, 2, 'HighlightRegistry.size is 2 after inserting two different Highlights by chaining the set method.'); |
| }, 'HighlightRegistry has a maplike interface.'); |
| |
| </script> |
