storage/test/unit/test_chunk_growth.js@8bccb770b82d (annotated)
storage/test/unit/test_chunk_growth.js
Wed, 31 Dec 2014 13:27:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 13:27:57 +0100
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
- permissions
- -rw-r--r--
Ignore runtime configuration files generated during quality assurance.
| michael@0 | 1 | /* Any copyright is dedicated to the Public Domain. |
| michael@0 | 2 | * http://creativecommons.org/publicdomain/zero/1.0/ |
| michael@0 | 3 | */ |
| michael@0 | 4 | |
| michael@0 | 5 | // This file tests SQLITE_FCNTL_CHUNK_SIZE behaves as expected |
| michael@0 | 6 | |
| michael@0 | 7 | function run_sql(d, sql) { |
| michael@0 | 8 | var stmt = d.createStatement(sql) |
| michael@0 | 9 | stmt.execute() |
| michael@0 | 10 | stmt.finalize(); |
| michael@0 | 11 | } |
| michael@0 | 12 | |
| michael@0 | 13 | function new_file(name) |
| michael@0 | 14 | { |
| michael@0 | 15 | var file = dirSvc.get("ProfD", Ci.nsIFile); |
| michael@0 | 16 | file.append(name); |
| michael@0 | 17 | return file; |
| michael@0 | 18 | } |
| michael@0 | 19 | |
| michael@0 | 20 | function get_size(name) { |
| michael@0 | 21 | return new_file(name).fileSize |
| michael@0 | 22 | } |
| michael@0 | 23 | |
| michael@0 | 24 | function run_test() |
| michael@0 | 25 | { |
| michael@0 | 26 | const filename = "chunked.sqlite"; |
| michael@0 | 27 | const CHUNK_SIZE = 512 * 1024; |
| michael@0 | 28 | var d = getDatabase(new_file(filename)); |
| michael@0 | 29 | try { |
| michael@0 | 30 | d.setGrowthIncrement(CHUNK_SIZE, ""); |
| michael@0 | 31 | } catch (e if e.result == Cr.NS_ERROR_FILE_TOO_BIG) { |
| michael@0 | 32 | print("Too little free space to set CHUNK_SIZE!"); |
| michael@0 | 33 | return; |
| michael@0 | 34 | } |
| michael@0 | 35 | run_sql(d, "CREATE TABLE bloat(data varchar)"); |
| michael@0 | 36 | |
| michael@0 | 37 | var orig_size = get_size(filename); |
| michael@0 | 38 | /* Dump in at least 32K worth of data. |
| michael@0 | 39 | * While writing ensure that the file size growth in chunksize set above. |
| michael@0 | 40 | */ |
| michael@0 | 41 | const str1024 = new Array(1024).join("T"); |
| michael@0 | 42 | for(var i = 0; i < 32; i++) { |
| michael@0 | 43 | run_sql(d, "INSERT INTO bloat VALUES('" + str1024 + "')"); |
| michael@0 | 44 | var size = get_size(filename) |
| michael@0 | 45 | // Must not grow in small increments. |
| michael@0 | 46 | do_check_true(size == orig_size || size >= CHUNK_SIZE); |
| michael@0 | 47 | } |
| michael@0 | 48 | /* In addition to growing in chunk-size increments, the db |
| michael@0 | 49 | * should shrink in chunk-size increments too. |
| michael@0 | 50 | */ |
| michael@0 | 51 | run_sql(d, "DELETE FROM bloat") |
| michael@0 | 52 | run_sql(d, "VACUUM") |
| michael@0 | 53 | do_check_true(get_size(filename) >= CHUNK_SIZE) |
| michael@0 | 54 | } |
| michael@0 | 55 |
