storage/test/unit/test_telemetry_vfs.js@97036ab72558 (annotated)
storage/test/unit/test_telemetry_vfs.js
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| 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 | // Make sure that there are telemetry entries created by sqlite io |
| 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 | function run_test() |
| michael@0 | 20 | { |
| michael@0 | 21 | const Telemetry = Cc["@mozilla.org/base/telemetry;1"].getService(Ci.nsITelemetry); |
| michael@0 | 22 | let read_hgram = Telemetry.getHistogramById("MOZ_SQLITE_OTHER_READ_B"); |
| michael@0 | 23 | let old_sum = read_hgram.snapshot().sum; |
| michael@0 | 24 | const file = new_file("telemetry.sqlite"); |
| michael@0 | 25 | var d = getDatabase(file); |
| michael@0 | 26 | run_sql(d, "CREATE TABLE bloat(data varchar)"); |
| michael@0 | 27 | run_sql(d, "DROP TABLE bloat") |
| michael@0 | 28 | do_check_true(read_hgram.snapshot().sum > old_sum) |
| michael@0 | 29 | } |
| michael@0 | 30 |
