michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:  * http://creativecommons.org/publicdomain/zero/1.0/
michael@0:  */
michael@0: 
michael@0: // Make sure that there are telemetry entries created by sqlite io
michael@0: 
michael@0: function run_sql(d, sql) {
michael@0:   var stmt = d.createStatement(sql)
michael@0:   stmt.execute()
michael@0:   stmt.finalize();
michael@0: }
michael@0: 
michael@0: function new_file(name)
michael@0: {
michael@0:   var file = dirSvc.get("ProfD", Ci.nsIFile);
michael@0:   file.append(name);
michael@0:   return file;
michael@0: }
michael@0: function run_test()
michael@0: {
michael@0:   const Telemetry = Cc["@mozilla.org/base/telemetry;1"].getService(Ci.nsITelemetry);
michael@0:   let read_hgram = Telemetry.getHistogramById("MOZ_SQLITE_OTHER_READ_B");
michael@0:   let old_sum = read_hgram.snapshot().sum;
michael@0:   const file = new_file("telemetry.sqlite");
michael@0:   var d = getDatabase(file);
michael@0:   run_sql(d, "CREATE TABLE bloat(data varchar)");
michael@0:   run_sql(d, "DROP TABLE bloat")
michael@0:   do_check_true(read_hgram.snapshot().sum > old_sum)
michael@0: }
michael@0: