1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/storage/test/unit/test_telemetry_vfs.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,30 @@
1.4 +/* Any copyright is dedicated to the Public Domain.
1.5 + * http://creativecommons.org/publicdomain/zero/1.0/
1.6 + */
1.7 +
1.8 +// Make sure that there are telemetry entries created by sqlite io
1.9 +
1.10 +function run_sql(d, sql) {
1.11 + var stmt = d.createStatement(sql)
1.12 + stmt.execute()
1.13 + stmt.finalize();
1.14 +}
1.15 +
1.16 +function new_file(name)
1.17 +{
1.18 + var file = dirSvc.get("ProfD", Ci.nsIFile);
1.19 + file.append(name);
1.20 + return file;
1.21 +}
1.22 +function run_test()
1.23 +{
1.24 + const Telemetry = Cc["@mozilla.org/base/telemetry;1"].getService(Ci.nsITelemetry);
1.25 + let read_hgram = Telemetry.getHistogramById("MOZ_SQLITE_OTHER_READ_B");
1.26 + let old_sum = read_hgram.snapshot().sum;
1.27 + const file = new_file("telemetry.sqlite");
1.28 + var d = getDatabase(file);
1.29 + run_sql(d, "CREATE TABLE bloat(data varchar)");
1.30 + run_sql(d, "DROP TABLE bloat")
1.31 + do_check_true(read_hgram.snapshot().sum > old_sum)
1.32 +}
1.33 +
