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comparison: dom/tests/mochitest/localstorage/test_lowDeviceStorage.html
dom/tests/mochitest/localstorage/test_lowDeviceStorage.html
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:f89c5c4e6a8f |
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| 1 <html xmlns="http://www.w3.org/1999/xhtml"> | |
| 2 <head> | |
| 3 <title>Test localStorage usage while in a low device storage situation</title> | |
| 4 | |
| 5 <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> | |
| 6 <script type="text/javascript" src="localStorageCommon.js"></script> | |
| 7 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" /> | |
| 8 | |
| 9 <script type="text/javascript"> | |
| 10 | |
| 11 /* | |
| 12 This test does the following: | |
| 13 - Stores an item in localStorage. | |
| 14 - Checks the stored value. | |
| 15 - Emulates a low device storage situation. | |
| 16 - Gets the stored item again. | |
| 17 - Removes the stored item. | |
| 18 - Fails storing a new value. | |
| 19 - Emulates recovering from a low device storage situation. | |
| 20 - Stores a new value. | |
| 21 - Checks the stored value. | |
| 22 */ | |
| 23 | |
| 24 function lowDeviceStorage(lowStorage) { | |
| 25 var data = lowStorage ? "full" : "free"; | |
| 26 os().notifyObservers(null, "disk-space-watcher", data); | |
| 27 } | |
| 28 | |
| 29 function startTest() { | |
| 30 // Add a test item. | |
| 31 localStorage.setItem("item", "value"); | |
| 32 is(localStorage.getItem("item"), "value", "getItem()"); | |
| 33 | |
| 34 // Emulates a low device storage situation. | |
| 35 lowDeviceStorage(true); | |
| 36 | |
| 37 // Checks that we can still access to the stored item. | |
| 38 is(localStorage.getItem("item"), "value", | |
| 39 "getItem() during a device storage situation"); | |
| 40 | |
| 41 // Removes the stored item. | |
| 42 localStorage.removeItem("item"); | |
| 43 is(localStorage.getItem("item"), undefined, | |
| 44 "getItem() after removing the item"); | |
| 45 | |
| 46 // Fails storing a new item. | |
| 47 try { | |
| 48 localStorage.setItem("newItem", "value"); | |
| 49 ok(false, "Storing a new item is expected to fail"); | |
| 50 } catch(e) { | |
| 51 ok(true, "Got an expected exception " + e); | |
| 52 } finally { | |
| 53 is(localStorage.getItem("newItem"), undefined, | |
| 54 "setItem while device storage is low"); | |
| 55 } | |
| 56 | |
| 57 // Emulates recovering from a low device storage situation. | |
| 58 lowDeviceStorage(false); | |
| 59 | |
| 60 // Add a test item after recovering from the low device storage situation. | |
| 61 localStorage.setItem("newItem", "value"); | |
| 62 is(localStorage.getItem("newItem"), "value", | |
| 63 "getItem() with available storage"); | |
| 64 | |
| 65 SimpleTest.finish(); | |
| 66 } | |
| 67 | |
| 68 SimpleTest.waitForExplicitFinish(); | |
| 69 | |
| 70 </script> | |
| 71 | |
| 72 </head> | |
| 73 | |
| 74 <body onload="startTest();"> | |
| 75 </body> | |
| 76 </html> |
