odoo.define('mail.model.TimerTests', function (require) {
"use strict";

var testUtils = require("web.test_utils");
var Timer = require('mail.model.Timer');
var concurrency = require('web.concurrency');

QUnit.module('mail', {}, function () {
QUnit.module('model', {}, function () {
QUnit.module('Timer');

QUnit.test('start()', async function (assert) {
    assert.expect(2);

    var prom = testUtils.makeTestPromise();
    var t = new Timer({
        duration: 0,
        onTimeout: prom.resolve,
    });

    assert.verifySteps([], "should not have called the function");

    t.start();
    await prom;
    assert.ok(true, "should have called the function");
});

QUnit.test('clear()', function (assert) {
    var done = assert.async();
    assert.expect(1);

    var func = function () {
        assert.step('function_called');
    };
    var t = new Timer({
        duration: 0,
        onTimeout: func,
    });

    t.start();
    t.clear();

    // Called after timer timeout
    setTimeout(function () {
        assert.verifySteps([], "should not have called the function");
        done();
    }, 1);
});

QUnit.test('reset()', async function (assert) {
    assert.expect(4);

    var i = 0;

    var func = function () {
        ++i;
        assert.step('function_called ' + i);
    };
    var t = new Timer({
        duration: 0,
        onTimeout: func,
    });

    t.start();

    // Called after 1st timer timeout
    await concurrency.delay(1);
    assert.verifySteps(['function_called 1'], "should have called the function once");
    t.reset();

    // Called after 2nd timer timeout
    await concurrency.delay(1);
    assert.verifySteps(['function_called 2'],
        "should have called the function twice (2nd time from reset)");
});

});
});
});