<!DOCTYPE html>
<!--
Copyright (c) 2013 The Chromium Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
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<link rel="import" href="/core/test_utils.html">
<link rel="import" href="/model/counter.html">
<link rel="import" href="/model/counter_series.html">

<script>
'use strict';

tr.b.unittest.testSuite(function() {
  var Counter = tr.model.Counter;
  var CounterSeries = tr.model.CounterSeries;
  var CounterSample = tr.model.CounterSample;

  var createCounterWithTwoSeries = function() {
    var ctr = new Counter(null, 0, '', 'myCounter');
    var aSeries = new CounterSeries('a', 0);
    var bSeries = new CounterSeries('b', 0);
    ctr.addSeries(aSeries);
    ctr.addSeries(bSeries);

    aSeries.addCounterSample(0, 5);
    aSeries.addCounterSample(1, 6);
    aSeries.addCounterSample(2, 5);
    aSeries.addCounterSample(3, 7);

    bSeries.addCounterSample(0, 10);
    bSeries.addCounterSample(1, 15);
    bSeries.addCounterSample(2, 12);
    bSeries.addCounterSample(3, 16);

    return ctr;
  };

  test('getSampleStatisticsWithSingleSelection', function() {
    var ctr = createCounterWithTwoSeries();
    var ret = ctr.getSampleStatistics([0]);

    assert.equal(ret[0].min, 5);
    assert.equal(ret[0].max, 5);
    assert.equal(ret[0].avg, 5);
    assert.equal(ret[0].start, 5);
    assert.equal(ret[0].end, 5);

    assert.equal(ret[1].min, 10);
    assert.equal(ret[1].max, 10);
    assert.equal(ret[1].avg, 10);
    assert.equal(ret[1].start, 10);
    assert.equal(ret[1].end, 10);
  });

  test('getSampleStatisticsWithMultipleSelections', function() {
    var ctr = createCounterWithTwoSeries();
    var ret = ctr.getSampleStatistics([0, 1]);

    assert.equal(ret[0].min, 5);
    assert.equal(ret[0].max, 6);
    assert.equal(ret[0].avg, (5 + 6) / 2);
    assert.equal(ret[0].start, 5);
    assert.equal(ret[0].end, 6);

    assert.equal(ret[1].min, 10);
    assert.equal(ret[1].max, 15);
    assert.equal(ret[1].avg, (10 + 15) / 2);
    assert.equal(ret[1].start, 10);
    assert.equal(ret[1].end, 15);
  });

  test('getSampleStatisticsWithOutofOrderIndices', function() {
    var ctr = createCounterWithTwoSeries();
    var ret = ctr.getSampleStatistics([1, 0]);

    assert.equal(ret[0].min, 5);
    assert.equal(ret[0].max, 6);
    assert.equal(ret[0].avg, (5 + 6) / 2);
    assert.equal(ret[0].start, 5);
    assert.equal(ret[0].end, 6);

    assert.equal(ret[1].min, 10);
    assert.equal(ret[1].max, 15);
    assert.equal(ret[1].avg, (10 + 15) / 2);
    assert.equal(ret[1].start, 10);
    assert.equal(ret[1].end, 15);
  });

  test('getSampleStatisticsWithAllSelections', function() {
    var ctr = createCounterWithTwoSeries();
    var ret = ctr.getSampleStatistics([1, 0, 2, 3]);

    assert.equal(ret[0].min, 5);
    assert.equal(ret[0].max, 7);
    assert.equal(ret[0].avg, (5 + 6 + 5 + 7) / 4);
    assert.equal(ret[0].start, 5);
    assert.equal(ret[0].end, 7);

    assert.equal(ret[1].min, 10);
    assert.equal(ret[1].max, 16);
    assert.equal(ret[1].avg, (10 + 15 + 12 + 16) / 4);
    assert.equal(ret[1].start, 10);
    assert.equal(ret[1].end, 16);
  });
});
</script>