projects / extjs.git / blame
| Commit | Line | Data |
|---|---|---|
| 6527f429 DM |
1 | describe("Ext.util.DelayedTask", function() {\r |
| 2 | \r | |
| 3 | it('should delay the call', function() {\r | |
| 4 | var d,\r | |
| 5 | called = false;\r | |
| 6 | \r | |
| 7 | d = new Ext.util.DelayedTask(function() {\r | |
| 8 | called = true;\r | |
| 9 | });\r | |
| 10 | d.delay(100);\r | |
| 11 | \r | |
| 12 | // Immediately after the delay call, nothing has been executed\r | |
| 13 | expect(called).toBe(false);\r | |
| 14 | \r | |
| 15 | waits(150);\r | |
| 16 | runs(function() {\r | |
| 17 | // At 150ms, the 100ms delay should have been executed\r | |
| 18 | expect(called).toBe(true);\r | |
| 19 | });\r | |
| 20 | });\r | |
| 21 | \r | |
| 22 | it('should cancel any previous invocations', function() {\r | |
| 23 | var d,\r | |
| 24 | counter = 0,\r | |
| 25 | lastValue = 0,\r | |
| 26 | incr = function(value) {\r | |
| 27 | counter++;\r | |
| 28 | lastValue = value;\r | |
| 29 | };\r | |
| 30 | \r | |
| 31 | d = new Ext.util.DelayedTask(incr);\r | |
| 32 | d.delay(500, null, null, [1]);\r | |
| 33 | d.delay(1500, null, null, [2]);\r | |
| 34 | d.delay(2500, null, null, [3]);\r | |
| 35 | waits(1000);\r | |
| 36 | runs(function() {\r | |
| 37 | // At 1000 ms, no call should have been made. The 500ms delay should have been superceded\r | |
| 38 | expect(counter).toBe(0);\r | |
| 39 | expect(lastValue).toBe(0);\r | |
| 40 | waits(1000);\r | |
| 41 | runs(function() {\r | |
| 42 | // At 2000 ms, no call should have been made. The 1500ms delay should have been superceded\r | |
| 43 | expect(counter).toBe(0);\r | |
| 44 | expect(lastValue).toBe(0);\r | |
| 45 | waits(1000);\r | |
| 46 | runs(function() {\r | |
| 47 | // At 3000 ms, one call should have been made. The 2500ms delay with a value of 3 should win\r | |
| 48 | expect(counter).toBe(1);\r | |
| 49 | expect(lastValue).toBe(3);\r | |
| 50 | });\r | |
| 51 | });\r | |
| 52 | });\r | |
| 53 | });\r | |
| 54 | \r | |
| 55 | it('should not cancel any previous invocations', function() {\r | |
| 56 | var d,\r | |
| 57 | counter = 0,\r | |
| 58 | lastValue,\r | |
| 59 | incr = function(value) {\r | |
| 60 | counter++;\r | |
| 61 | lastValue = value;\r | |
| 62 | };\r | |
| 63 | \r | |
| 64 | d = new Ext.util.DelayedTask(incr, null, null, false);\r | |
| 65 | d.delay(100, null, null, [1]);\r | |
| 66 | d.delay(150, null, null, [2]);\r | |
| 67 | d.delay(300, null, null, [3]);\r | |
| 68 | waits(150);\r | |
| 69 | runs(function() {\r | |
| 70 | // At 150 ms, the arguments from the last (300ms) delay call should have been used, but\r | |
| 71 | // the initial invocation delay of 100ms should have been allowed to execute because\r | |
| 72 | // of specifying cancelOnDelay as false.\r | |
| 73 | expect(counter).toBe(1);\r | |
| 74 | expect(lastValue).toBe(3);\r | |
| 75 | waits(100);\r | |
| 76 | runs(function() {\r | |
| 77 | // At 250 ms, no further calls should have been made.\r | |
| 78 | expect(counter).toBe(1);\r | |
| 79 | expect(lastValue).toBe(3);\r | |
| 80 | waits(100);\r | |
| 81 | runs(function() {\r | |
| 82 | // At 350 ms, no further calls should have been made.\r | |
| 83 | expect(counter).toBe(1);\r | |
| 84 | expect(lastValue).toBe(3);\r | |
| 85 | });\r | |
| 86 | });\r | |
| 87 | });\r | |
| 88 | });\r | |
| 89 | \r | |
| 90 | it("should accept a delay of 0", function(){\r | |
| 91 | var called = true;\r | |
| 92 | var d = new Ext.util.DelayedTask(function() {\r | |
| 93 | called = true; \r | |
| 94 | });\r | |
| 95 | d.delay(1000);\r | |
| 96 | d.delay(0);\r | |
| 97 | waits(50);\r | |
| 98 | runs(function(){\r | |
| 99 | // should fire almost straight away, will still be on a callback though\r | |
| 100 | // so we need at least some kind of delay\r | |
| 101 | expect(called).toBe(true);\r | |
| 102 | });\r | |
| 103 | })\r | |
| 104 | }); |