The Tor Browser / file comparison
comparison: toolkit/components/osfile/tests/xpcshell/test_compression.js
toolkit/components/osfile/tests/xpcshell/test_compression.js
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- 6474c204b198
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| -1:000000000000 | 0:66c1e2672301 |
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| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 * http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 "use strict"; | |
| 5 | |
| 6 Components.utils.import("resource://gre/modules/osfile.jsm"); | |
| 7 | |
| 8 function run_test() { | |
| 9 do_test_pending(); | |
| 10 run_next_test(); | |
| 11 } | |
| 12 | |
| 13 add_task(function test_compress_lz4() { | |
| 14 let path = OS.Path.join(OS.Constants.Path.tmpDir, "compression.lz"); | |
| 15 let array = new Uint8Array(1024); | |
| 16 for (let i = 0; i < array.byteLength; ++i) { | |
| 17 array[i] = i; | |
| 18 } | |
| 19 | |
| 20 do_print("Writing data with lz4 compression"); | |
| 21 let bytes = yield OS.File.writeAtomic(path, array, { compression: "lz4" }); | |
| 22 do_print("Compressed " + array.byteLength + " bytes into " + bytes); | |
| 23 | |
| 24 do_print("Reading back with lz4 decompression"); | |
| 25 let decompressed = yield OS.File.read(path, { compression: "lz4" }); | |
| 26 do_print("Decompressed into " + decompressed.byteLength + " bytes"); | |
| 27 do_check_eq(Array.prototype.join.call(array), Array.prototype.join.call(decompressed)); | |
| 28 }); | |
| 29 | |
| 30 add_task(function test_uncompressed() { | |
| 31 do_print("Writing data without compression"); | |
| 32 let path = OS.Path.join(OS.Constants.Path.tmpDir, "no_compression.tmp"); | |
| 33 let array = new Uint8Array(1024); | |
| 34 for (let i = 0; i < array.byteLength; ++i) { | |
| 35 array[i] = i; | |
| 36 } | |
| 37 let bytes = yield OS.File.writeAtomic(path, array); // No compression | |
| 38 | |
| 39 let exn; | |
| 40 // Force decompression, reading should fail | |
| 41 try { | |
| 42 yield OS.File.read(path, { compression: "lz4" }); | |
| 43 } catch (ex) { | |
| 44 exn = ex; | |
| 45 } | |
| 46 do_check_true(!!exn); | |
| 47 do_check_true(exn.message.indexOf("Invalid header") != -1); | |
| 48 }); | |
| 49 | |
| 50 add_task(function() { | |
| 51 do_test_finished(); | |
| 52 }); |
