The Tor Browser / file comparison
comparison: toolkit/components/osfile/tests/xpcshell/test_unique.js
toolkit/components/osfile/tests/xpcshell/test_unique.js
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- 6474c204b198
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| -1:000000000000 | 0:7a8529ec482d |
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| 1 "use strict"; | |
| 2 | |
| 3 Components.utils.import("resource://gre/modules/osfile.jsm"); | |
| 4 Components.utils.import("resource://gre/modules/Task.jsm"); | |
| 5 | |
| 6 function run_test() { | |
| 7 do_get_profile(); | |
| 8 run_next_test(); | |
| 9 } | |
| 10 | |
| 11 function testFiles(filename) { | |
| 12 return Task.spawn(function() { | |
| 13 const MAX_TRIES = 10; | |
| 14 let profileDir = OS.Constants.Path.profileDir; | |
| 15 let path = OS.Path.join(profileDir, filename); | |
| 16 | |
| 17 // Ensure that openUnique() uses the file name if there is no file with that name already. | |
| 18 let openedFile = yield OS.File.openUnique(path); | |
| 19 do_print("\nCreate new file: " + openedFile.path); | |
| 20 yield openedFile.file.close(); | |
| 21 let exists = yield OS.File.exists(openedFile.path); | |
| 22 do_check_true(exists); | |
| 23 do_check_eq(path, openedFile.path); | |
| 24 let fileInfo = yield OS.File.stat(openedFile.path); | |
| 25 do_check_true(fileInfo.size == 0); | |
| 26 | |
| 27 // Ensure that openUnique() creates a new file name using a HEX number, as the original name is already taken. | |
| 28 openedFile = yield OS.File.openUnique(path); | |
| 29 do_print("\nCreate unique HEX file: " + openedFile.path); | |
| 30 yield openedFile.file.close(); | |
| 31 exists = yield OS.File.exists(openedFile.path); | |
| 32 do_check_true(exists); | |
| 33 let fileInfo = yield OS.File.stat(openedFile.path); | |
| 34 do_check_true(fileInfo.size == 0); | |
| 35 | |
| 36 // Ensure that openUnique() generates different file names each time, using the HEX number algorithm | |
| 37 let filenames = new Set(); | |
| 38 for (let i=0; i < MAX_TRIES; i++) { | |
| 39 openedFile = yield OS.File.openUnique(path); | |
| 40 yield openedFile.file.close(); | |
| 41 filenames.add(openedFile.path); | |
| 42 } | |
| 43 | |
| 44 do_check_eq(filenames.size, MAX_TRIES); | |
| 45 | |
| 46 // Ensure that openUnique() creates a new human readable file name using, as the original name is already taken. | |
| 47 openedFile = yield OS.File.openUnique(path, {humanReadable : true}); | |
| 48 do_print("\nCreate unique Human Readable file: " + openedFile.path); | |
| 49 yield openedFile.file.close(); | |
| 50 exists = yield OS.File.exists(openedFile.path); | |
| 51 do_check_true(exists); | |
| 52 let fileInfo = yield OS.File.stat(openedFile.path); | |
| 53 do_check_true(fileInfo.size == 0); | |
| 54 | |
| 55 // Ensure that openUnique() generates different human readable file names each time | |
| 56 filenames = new Set(); | |
| 57 for (let i=0; i < MAX_TRIES; i++) { | |
| 58 openedFile = yield OS.File.openUnique(path, {humanReadable : true}); | |
| 59 yield openedFile.file.close(); | |
| 60 filenames.add(openedFile.path); | |
| 61 } | |
| 62 | |
| 63 do_check_eq(filenames.size, MAX_TRIES); | |
| 64 | |
| 65 let exn; | |
| 66 try { | |
| 67 for (let i=0; i < 100; i++) { | |
| 68 openedFile = yield OS.File.openUnique(path, {humanReadable : true}); | |
| 69 yield openedFile.file.close(); | |
| 70 } | |
| 71 } catch (ex) { | |
| 72 exn = ex; | |
| 73 } | |
| 74 | |
| 75 do_print("Ensure that this raises the correct error"); | |
| 76 do_check_true(!!exn); | |
| 77 do_check_true(exn instanceof OS.File.Error); | |
| 78 do_check_true(exn.becauseExists); | |
| 79 }); | |
| 80 } | |
| 81 | |
| 82 add_task(function test_unique() { | |
| 83 OS.Shared.DEBUG = true; | |
| 84 // Tests files with extension | |
| 85 yield testFiles("dummy_unique_file.txt"); | |
| 86 // Tests files with no extension | |
| 87 yield testFiles("dummy_unique_file_no_ext"); | |
| 88 }); |
