| <!DOCTYPE html> |
| <title>DOMStringList interface</title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <script> |
| |
| // Returns a promise that will resolve to a DOMStringList. |
| // Strings must be unique, and the strings will be sorted. |
| function makeDOMStringList(entries) { |
| return new Promise(function(resolve, reject) { |
| var dbname = String(self.location); |
| var r = indexedDB.open(dbname); |
| r.onerror = function() { reject(r.error); }; |
| r.onupgradeneeded = function() { |
| var db = r.result; |
| entries.forEach(function(entry) { |
| db.createObjectStore(entry); |
| }); |
| } |
| r.onsuccess = function() { |
| var db = r.result; |
| var dsl = db.objectStoreNames; |
| db.close(); |
| var r2 = indexedDB.deleteDatabase(dbname); |
| r2.onerror = function() { reject(r2.error); }; |
| r2.onsuccess = function() { resolve(dsl); }; |
| } |
| }); |
| } |
| |
| promise_test(function(t) { |
| return makeDOMStringList(['a', 'b', 'c']) |
| .then(function(dsl) { |
| assert_equals(Object.prototype.toString.call(dsl), |
| '[object DOMStringList]', |
| 'Object should be branded as "DOMStringList"'); |
| assert_true('length' in dsl && typeof dsl.length === 'number', |
| 'DOMStringList should have length attribute'); |
| assert_true('item' in dsl && typeof dsl.item === 'function', |
| 'DOMStringList should have item method'); |
| assert_true('contains' in dsl && typeof dsl.contains === 'function', |
| 'DOMStringList should have contains method'); |
| |
| assert_equals(dsl.length, 3, 'length attribute'); |
| |
| assert_equals(dsl.item(0), 'a', 'item method'); |
| assert_equals(dsl.item(1), 'b', 'item method'); |
| assert_equals(dsl.item(2), 'c', 'item method'); |
| assert_equals(dsl.item(3), null, 'item method out of range'); |
| assert_throws( |
| {name: 'TypeError'}, function() { dsl.item(); }, |
| 'item method should throw if called without enough args'); |
| |
| assert_equals(dsl[0], 'a', 'indexed getter'); |
| assert_equals(dsl[1], 'b', 'indexed getter'); |
| assert_equals(dsl[2], 'c', 'indexed getter'); |
| assert_equals(dsl[3], undefined, 'indexed getter out of range'); |
| |
| assert_true(dsl.contains('a'), |
| 'contains method matched'); |
| assert_true(dsl.contains('b'), |
| 'contains method matched'); |
| assert_true(dsl.contains('c'), |
| 'contains method matched'); |
| assert_false(dsl.contains(''), |
| 'contains method unmatched'); |
| assert_false(dsl.contains('d'), |
| 'contains method unmatched'); |
| assert_throws( |
| {name: 'TypeError'}, function(){ dsl.contains(); }, |
| 'contains method should throw if called without enough args'); |
| }); |
| }, 'DOMStringList interface'); |
| |
| </script> |
