projects / extjs.git / blame
| Commit | Line | Data |
|---|---|---|
| 6527f429 DM |
1 | describe("Ext.util.LruCache", function(){\r |
| 2 | var cache,\r | |
| 3 | obj1 = {objIdx:1},\r | |
| 4 | obj2 = {objIdx:2},\r | |
| 5 | obj3 = {objIdx:3},\r | |
| 6 | obj4 = {objIdx:4},\r | |
| 7 | obj5 = {objIdx:5},\r | |
| 8 | obj6 = {objIdx:6},\r | |
| 9 | obj7 = {objIdx:7},\r | |
| 10 | obj8 = {objIdx:8},\r | |
| 11 | obj9 = {objIdx:9},\r | |
| 12 | obj10 = {objIdx:10};\r | |
| 13 | \r | |
| 14 | function createCache(config) {\r | |
| 15 | cache = new Ext.util.LruCache(config);\r | |
| 16 | }\r | |
| 17 | \r | |
| 18 | describe("Adding", function(){\r | |
| 19 | it("should create an empty cache", function(){\r | |
| 20 | createCache();\r | |
| 21 | expect(cache.length).toBe(0);\r | |
| 22 | expect(cache.first).toBeNull;\r | |
| 23 | expect(cache.last).toBeNull();\r | |
| 24 | expect(cache.getValues()).toEqual([]);\r | |
| 25 | expect(cache.getKeys()).toEqual([]);\r | |
| 26 | });\r | |
| 27 | \r | |
| 28 | it("should contain 1 entry", function(){\r | |
| 29 | createCache();\r | |
| 30 | cache.add(1, obj1);\r | |
| 31 | expect(cache.length).toEqual(1);\r | |
| 32 | expect(cache.first.value).toBe(obj1);\r | |
| 33 | expect(cache.last.value).toBe(obj1);\r | |
| 34 | expect(cache.getValues()).toEqual([obj1]);\r | |
| 35 | expect(cache.getKeys()).toEqual([1]);\r | |
| 36 | });\r | |
| 37 | \r | |
| 38 | it("should contain 2 entries", function(){\r | |
| 39 | createCache();\r | |
| 40 | cache.add(1, obj1);\r | |
| 41 | cache.add(2, obj2);\r | |
| 42 | expect(cache.length).toEqual(2);\r | |
| 43 | expect(cache.first.value).toBe(obj1);\r | |
| 44 | expect(cache.last.value).toBe(obj2);\r | |
| 45 | expect(cache.getValues()).toEqual([obj1, obj2]);\r | |
| 46 | expect(cache.getKeys()).toEqual([1, 2]);\r | |
| 47 | });\r | |
| 48 | \r | |
| 49 | it("should be able to add existing keys", function() {\r | |
| 50 | createCache();\r | |
| 51 | cache.add(1, obj1);\r | |
| 52 | cache.add(2, obj2);\r | |
| 53 | cache.add(1, obj3);\r | |
| 54 | expect(cache.length).toEqual(2);\r | |
| 55 | expect(cache.first.value).toBe(obj2);\r | |
| 56 | expect(cache.last.value).toBe(obj3);\r | |
| 57 | expect(cache.getValues()).toEqual([obj2, obj3]);\r | |
| 58 | expect(cache.getKeys()).toEqual([2, 1]);\r | |
| 59 | });\r | |
| 60 | });\r | |
| 61 | \r | |
| 62 | describe("Sort on access", function() {\r | |
| 63 | it("should move accessed items to the end", function(){\r | |
| 64 | createCache();\r | |
| 65 | cache.add(1, obj1);\r | |
| 66 | cache.add(2, obj2);\r | |
| 67 | expect(cache.getValues()).toEqual([obj1, obj2]);\r | |
| 68 | expect(cache.getKeys()).toEqual([1, 2]);\r | |
| 69 | cache.get(1);\r | |
| 70 | expect(cache.getValues()).toEqual([obj2, obj1]);\r | |
| 71 | expect(cache.getKeys()).toEqual([2, 1]);\r | |
| 72 | });\r | |
| 73 | });\r | |
| 74 | \r | |
| 75 | describe("Inserting", function() {\r | |
| 76 | it("should insert at the requested point", function(){\r | |
| 77 | createCache();\r | |
| 78 | cache.add(1, obj1);\r | |
| 79 | cache.insertBefore(2, obj2, obj1);\r | |
| 80 | expect(cache.getValues()).toEqual([obj2, obj1]);\r | |
| 81 | expect(cache.getKeys()).toEqual([2, 1]);\r | |
| 82 | });\r | |
| 83 | });\r | |
| 84 | \r | |
| 85 | describe("Iterating", function() {\r | |
| 86 | it("should iterate in order", function(){\r | |
| 87 | var result = [];\r | |
| 88 | createCache();\r | |
| 89 | cache.add(1, obj1);\r | |
| 90 | cache.add(2, obj2);\r | |
| 91 | cache.each(function(key, value, length) {\r | |
| 92 | result.push(key, value);\r | |
| 93 | });\r | |
| 94 | expect(result).toEqual([1, obj1, 2, obj2]);\r | |
| 95 | });\r | |
| 96 | it("should iterate in reverse order", function(){\r | |
| 97 | var result = [];\r | |
| 98 | createCache();\r | |
| 99 | cache.add(1, obj1);\r | |
| 100 | cache.add(2, obj2);\r | |
| 101 | cache.each(function(key, value, length) {\r | |
| 102 | result.push(key, value);\r | |
| 103 | }, null, true);\r | |
| 104 | expect(result).toEqual([2, obj2, 1, obj1]);\r | |
| 105 | });\r | |
| 106 | });\r | |
| 107 | \r | |
| 108 | describe("Removing", function() {\r | |
| 109 | it("should remove by key and re-link", function(){\r | |
| 110 | createCache();\r | |
| 111 | cache.add(1, obj1);\r | |
| 112 | cache.add(2, obj2);\r | |
| 113 | cache.add(3, obj3);\r | |
| 114 | cache.removeAtKey(2)\r | |
| 115 | expect(cache.getValues()).toEqual([obj1, obj3]);\r | |
| 116 | expect(cache.getKeys()).toEqual([1, 3]);\r | |
| 117 | });\r | |
| 118 | it("should remove by value and re-link", function(){\r | |
| 119 | createCache();\r | |
| 120 | cache.add(1, obj1);\r | |
| 121 | cache.add(2, obj2);\r | |
| 122 | cache.add(3, obj3);\r | |
| 123 | cache.remove(obj2)\r | |
| 124 | expect(cache.getValues()).toEqual([obj1, obj3]);\r | |
| 125 | expect(cache.getKeys()).toEqual([1, 3]);\r | |
| 126 | });\r | |
| 127 | });\r | |
| 128 | \r | |
| 129 | describe("Clearing", function() {\r | |
| 130 | it("should remove all", function(){\r | |
| 131 | createCache();\r | |
| 132 | cache.add(1, obj1);\r | |
| 133 | cache.add(2, obj2);\r | |
| 134 | cache.clear();\r | |
| 135 | expect(cache.getValues()).toEqual([]);\r | |
| 136 | expect(cache.getKeys()).toEqual([]);\r | |
| 137 | });\r | |
| 138 | });\r | |
| 139 | \r | |
| 140 | describe("Purging", function() {\r | |
| 141 | it("should only contain the last 5 added", function(){\r | |
| 142 | createCache({\r | |
| 143 | maxSize: 5\r | |
| 144 | });\r | |
| 145 | cache.add(1, obj1);\r | |
| 146 | cache.add(2, obj2);\r | |
| 147 | cache.add(3, obj3);\r | |
| 148 | cache.add(4, obj4);\r | |
| 149 | cache.add(5, obj5);\r | |
| 150 | expect(cache.getValues()).toEqual([obj1, obj2, obj3, obj4, obj5]);\r | |
| 151 | expect(cache.getKeys()).toEqual([1, 2, 3, 4, 5]);\r | |
| 152 | cache.add(6, obj6);\r | |
| 153 | expect(cache.getValues()).toEqual([obj2, obj3, obj4, obj5, obj6]);\r | |
| 154 | expect(cache.getKeys()).toEqual([2, 3, 4, 5, 6]);\r | |
| 155 | cache.add(7, obj7);\r | |
| 156 | expect(cache.getValues()).toEqual([obj3, obj4, obj5, obj6, obj7]);\r | |
| 157 | expect(cache.getKeys()).toEqual([3, 4, 5, 6, 7]);\r | |
| 158 | cache.add(8, obj8);\r | |
| 159 | expect(cache.getValues()).toEqual([obj4, obj5, obj6, obj7, obj8]);\r | |
| 160 | expect(cache.getKeys()).toEqual([4, 5, 6, 7, 8]);\r | |
| 161 | cache.add(9, obj9);\r | |
| 162 | expect(cache.getValues()).toEqual([obj5, obj6, obj7, obj8, obj9]);\r | |
| 163 | expect(cache.getKeys()).toEqual([5, 6, 7, 8, 9]);\r | |
| 164 | cache.add(10, obj10);\r | |
| 165 | expect(cache.getValues()).toEqual([obj6, obj7, obj8, obj9, obj10]);\r | |
| 166 | expect(cache.getKeys()).toEqual([6, 7, 8, 9, 10]);\r | |
| 167 | });\r | |
| 168 | });\r | |
| 169 | });\r |