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

29 строки
767 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 = Services.dirsvc.get("ProfD", Ci.nsIFile);
file.append(name);
return file;
}
function run_test() {
let read_hgram = Services.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");
Assert.ok(read_hgram.snapshot().sum > old_sum);
}