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<!DOCTYPE html>
<!--
Copyright (c) 2015 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.
-->
<link rel="import" href="/core/test_utils.html">
<link rel="import" href="/ui/timeline_display_transform.html">
<link rel="import" href="/ui/tracks/chart_axis.html">
<link rel="import" href="/ui/tracks/chart_transform.html">
<script>
'use strict';
tr.b.unittest.testSuite(function() {
var TimelineDisplayTransform = tr.ui.TimelineDisplayTransform;
var ChartTransform = tr.ui.tracks.ChartTransform;
var ChartAxis = tr.ui.tracks.ChartAxis;
function buildChartTransform() {
var displayTransform = new TimelineDisplayTransform();
displayTransform.panX = -20;
displayTransform.scaleX = 0.5;
var axis = new ChartAxis(-100, 100);
var chartTransform = new ChartTransform(
displayTransform,
axis,
500, /* trackWidth */
80, /* trackHeight */
15, /* topPadding */
5, /* bottomPadding */
3 /* pixelRatio */);
return chartTransform;
}
test('checkFields', function() {
var t = buildChartTransform();
assert.equal(t.pixelRatio, 3);
assert.equal(t.leftViewX, 0);
assert.equal(t.rightViewX, 500);
assert.equal(t.leftTimestamp, 20);
assert.equal(t.rightTimestamp, 1020);
assert.equal(t.outerTopViewY, 0);
assert.equal(t.innerTopViewY, 15);
assert.equal(t.innerBottomViewY, 75);
assert.equal(t.outerBottomViewY, 80);
});
test('checkWorldXToViewX', function() {
var t = buildChartTransform();
assert.equal(t.worldXToViewX(-100), -60);
assert.equal(t.worldXToViewX(0), -10);
assert.equal(t.worldXToViewX(520), 250);
assert.equal(t.worldXToViewX(1020), 500);
assert.equal(t.worldXToViewX(1200), 590);
});
test('checkViewXToWorldX', function() {
var t = buildChartTransform();
assert.equal(t.viewXToWorldX(-60), -100);
assert.equal(t.viewXToWorldX(-10), 0);
assert.equal(t.viewXToWorldX(250), 520);
assert.equal(t.viewXToWorldX(500), 1020);
assert.equal(t.viewXToWorldX(590), 1200);
});
test('checkWorldYToViewY', function() {
var t = buildChartTransform();
assert.equal(t.worldYToViewY(-200), 105);
assert.equal(t.worldYToViewY(-100), 75);
assert.equal(t.worldYToViewY(0), 45);
assert.equal(t.worldYToViewY(100), 15);
assert.equal(t.worldYToViewY(200), -15);
});
});
</script>