gecko-dev/storage/test/unit/test_telemetry_vfs.js

31 строка
827 B
JavaScript

/* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/publicdomain/zero/1.0/
*/
// Make sure that there are telemetry entries created by sqlite io
function run_sql(d, sql) {
var stmt = d.createStatement(sql)
stmt.execute()
stmt.finalize();
}
function new_file(name)
{
var file = dirSvc.get("ProfD", Ci.nsIFile);
file.append(name);
return file;
}
function run_test()
{
const Telemetry = Cc["@mozilla.org/base/telemetry;1"].getService(Ci.nsITelemetry);
let read_hgram = Telemetry.getHistogramById("MOZ_SQLITE_OTHER_READ_B");
let old_sum = read_hgram.snapshot().sum;
const file = new_file("telemetry.sqlite");
var d = getDatabase(file);
run_sql(d, "CREATE TABLE bloat(data varchar)");
run_sql(d, "DROP TABLE bloat")
do_check_true(read_hgram.snapshot().sum > old_sum)
}