<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Test Element::getTransformToViewport</title>
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
<style>
body {
  margin: 0px;
}
.box {
  background-color: red;
  height: 20px;
  width: 80px;
}
.a {
  margin: 10px;
}
.b {
  margin: 20px;
}
.c {
  transform: translate(11px, -11px);
}
.d {
  transform: skewx(-45deg);
}

</style>
<script>
'use strict';

SimpleTest.waitForExplicitFinish();

function testTransformToParent() {
  let expectedData = [
    ["boxA", "1,0,0,0,0,1,0,0,0,0,1,0,10,0,0,1"],
    ["boxB", "1,0,0,0,0,1,0,0,0,0,1,0,20,0,0,1"],
    ["boxC", "1,0,0,0,0,1,0,0,0,0,1,0,11,-11,0,1"],
    ["boxD", "1,0,0,0,-1,1,0,0,0,0,1,0,10,0,0,1"],
  ];

  // Test transform to parent.
  for (let i = 0; i < expectedData.length; ++i) {
    let expected = expectedData[i];
    let element = document.getElementById(expected[0]);

    let transform = element.getTransformToParent();
    let transformFloats = transform.toFloat32Array();
    let transformString = transformFloats.toString();
    is(transformString, expected[1], "Element " + expected[0] + " has expected transform to parent.");
  }
}

function testTransformToAncestorAndViewport() {
  let expectedData = [
    ["boxA", "1,0,0,0,0,1,0,0,0,0,1,0,10,10,0,1"],
    ["boxB", "1,0,0,0,0,1,0,0,0,0,1,0,20,50,0,1"],
    ["boxC", "1,0,0,0,0,1,0,0,0,0,1,0,11,79,0,1"],
  ];

  // Test transform to document (an actual ancestor unchanged by embedding within the mochitest framework).
  for (let i = 0; i < expectedData.length; ++i) {
    let expected = expectedData[i];
    let element = document.getElementById(expected[0]);

    let transform = element.getTransformToAncestor(document.documentElement);
    let transformFloats = transform.toFloat32Array();
    let transformString = transformFloats.toString();
    is(transformString, expected[1], "Element " + expected[0] + " has expected transform to ancestor.");
  }

  // Test transform to a non-ancestor is equivalent to transform to viewport.
  let nonAncestorElement = document.getElementById("nonAncestor");
  for (let i = 0; i < expectedData.length; ++i) {
    let expected = expectedData[i];
    let element = document.getElementById(expected[0]);

    let transform = element.getTransformToAncestor(nonAncestorElement);
    let transformFloats = transform.toFloat32Array();
    let transformString = transformFloats.toString();

    let transformToViewport = element.getTransformToViewport();
    let transformToViewportFloats = transformToViewport.toFloat32Array();
    let transformToViewportString = transformToViewportFloats.toString();
    is(transformString, transformToViewportString, "Element " + expected[0] + " transform to non-ancestor is equivalent to transform to viewport.");
  }
}

function runTests() {
  testTransformToParent();
  testTransformToAncestorAndViewport();

  SimpleTest.finish();
}
</script>
</head>
<body onLoad="runTests();">

<div id="boxAParent">
  <div id="boxA" class="box a">boxA</div>
</div>
<div id="boxBParent">
  <div id="boxB" class="box b">boxB</div>
</div>
<div id="boxCParent">
  <div id="boxC" class="box c">boxC</div>
</div>
<div id="boxDParent">
  <div id="boxD" class="box d">boxD</div>
</div>

<div id="nonAncestor">This div is not an ancestor of any of the boxes.</div>

</body>
</html>