| <!DOCTYPE html> |
| <title></title> |
| <script src="http://closure-library.googlecode.com/svn/trunk/closure/goog/base.js"></script> |
| <script src="../../../../../ui/webui/resources/js/cr.js"></script> |
| <script src="screen_context.js"></script> |
| <script> |
| |
| goog.require('goog.testing.jsunit'); |
| |
| </script> |
| <body> |
| <script> |
| |
| function callSuccessful(f) { |
| try { |
| f(); |
| } catch (e) { |
| return false; |
| } |
| return true; |
| } |
| |
| function checkThrows(f) { |
| assertFalse(callSuccessful(f)); |
| } |
| |
| function checkNotThrows(f) { |
| assertTrue(callSuccessful(f)); |
| } |
| |
| function testSimple() { |
| var context = new login.ScreenContext; |
| assertFalse(context.hasChanges()); |
| |
| assertFalse(context.hasKey('key0')); |
| |
| var rv = context.set('key0', true); |
| assertTrue(rv); |
| assertTrue(context.hasKey('key0')); |
| assertTrue(context.get('key0')); |
| assertTrue(context.get('key0', false)); |
| assertTrue(context.hasChanges()); |
| |
| rv = context.set('key0', true); |
| assertFalse(rv); |
| |
| rv = context.set('key0', false); |
| assertTrue(rv); |
| assertTrue(context.hasKey('key0')); |
| assertFalse(context.get('key0')); |
| assertFalse(context.get('key0', true)); |
| assertTrue(context.hasChanges()); |
| |
| assertFalse(context.hasKey('key1')); |
| |
| assertEquals(1, context.get('key1', 1)); |
| rv = context.set('key1', 2); |
| assertTrue(rv); |
| assertTrue(context.hasKey('key1')); |
| assertEquals(2, context.get('key1')); |
| assertEquals(2, context.get('key1', 1)); |
| } |
| |
| function testChanges() { |
| var context = new login.ScreenContext; |
| assertFalse(context.hasChanges()); |
| |
| var rv = context.set('key0', 2); |
| assertTrue(rv); |
| assertEquals(2, context.get('key0')); |
| assertTrue(context.hasChanges()); |
| |
| var changes = context.getChangesAndReset(); |
| assertFalse(context.hasChanges()); |
| |
| assertEquals(1, Object.keys(changes).length); |
| |
| assertEquals(2, changes['key0']); |
| |
| rv = context.set('key0', 3); |
| assertTrue(rv); |
| assertEquals(3, context.get('key0', 3)); |
| assertTrue(context.hasChanges()); |
| |
| rv = context.set('key0', 2); |
| assertTrue(rv); |
| assertTrue(context.hasChanges()); |
| } |
| |
| function testComplexChanges() { |
| var context = new login.ScreenContext; |
| assertFalse(context.hasChanges()); |
| |
| context.set('key0', 'value0'); |
| context.set('key1', true); |
| context.set('key2', 3.14159); |
| assertTrue(context.hasChanges()); |
| |
| // Get all changes and verify them. |
| var changes = context.getChangesAndReset(); |
| assertFalse(context.hasChanges()); |
| assertEquals(3, Object.keys(changes).length); |
| |
| assertEquals('value0', changes['key0']); |
| assertEquals(true, changes['key1']); |
| assertEquals(3.14159, changes['key2']); |
| |
| context.set('key0', 'value1'); |
| assertTrue(context.hasChanges()); |
| |
| context.set('key0', 'value0'); |
| assertTrue(context.hasChanges()); |
| |
| changes = context.getChangesAndReset(); |
| assertFalse(context.hasChanges()); |
| assertEquals(1, Object.keys(changes).length); |
| assertEquals('value0', changes['key0']); |
| } |
| |
| function testApplyChanges() { |
| var context = new login.ScreenContext; |
| assertFalse(context.hasChanges()); |
| |
| var changes = { |
| key0: 'value0', |
| key1: 1, |
| key2: true |
| }; |
| |
| var keys = context.applyChanges(changes); |
| |
| assertEquals(3, keys.length); |
| keys.sort(); |
| assertEquals('key0', keys[0]); |
| assertEquals('key1', keys[1]); |
| assertEquals('key2', keys[2]); |
| |
| assertFalse(context.hasChanges()); |
| assertEquals('value0', context.get('key0')); |
| assertEquals(1, context.get('key1')); |
| assertTrue(context.get('key2')); |
| } |
| |
| function testErrorHandling() { |
| function createContext() { |
| return new login.ScreenContext; |
| } |
| |
| /* Invalid keys. */ |
| checkThrows(function() { |
| createContext().set(true, 10); |
| }); |
| checkThrows(function() { |
| createContext().set(new Object, 10); |
| }); |
| checkThrows(function() { |
| createContext().set(10, 10); |
| }); |
| checkNotThrows(function() { |
| createContext().set('key0', 10); |
| }); |
| checkThrows(function() { |
| var c = createContext(); |
| c.set('10', 10); |
| c.get(10); |
| }); |
| checkNotThrows(function() { |
| var c = createContext(); |
| c.set('10', 10); |
| c.get('10'); |
| }); |
| checkThrows(function() { |
| createContext().hasKey(20); |
| }); |
| |
| /* Missing key. */ |
| checkThrows(function() { |
| createContext().get('key'); |
| }); |
| checkNotThrows(function() { |
| createContext().get('key', 10); |
| }); |
| |
| /* Invalid values. */ |
| checkThrows(function() { |
| createContext().set('key0', new Object()); |
| }); |
| checkThrows(function() { |
| createContext().set('key0', new Boolean(true)); |
| }); |
| |
| /* Applying diff to context with changes. */ |
| checkThrows(function() { |
| var c = createContext(); |
| c.set('key', 'value'); |
| c.applyChanges({'key1': 'value1'}); |
| }); |
| checkNotThrows(function() { |
| var c = createContext(); |
| c.set('key', 'value'); |
| c.getChangesAndReset(); |
| c.applyChanges({'key1': 'value1'}); |
| }); |
| } |
| |
| </script> |
| </body> |
