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Test Info:
- Manifest: dom/flex/test/chrome.toml
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" />
<style>
  f {
    display: flex;
    width: 400px;
    height: 50px;
    margin-bottom: 2px;
  }
  b {
    background-color: gold;
    width: 100px;
    height: 15px;
  }
  b::after {
    content: "B";
  }
  c {
    background-color: yellow;
    width: 100px;
    height: 15px;
  }
  c::after {
    content: "C";
  }
  d {
    background-color: orange;
    width: 100px;
    height: 15px;
  }
  d::after {
    content: "D";
  }
  .fdR {
    flex-direction: row;
    background-color: lightgrey;
  }
  .fdRR {
    flex-direction: row-reverse;
    background-color: lightgreen;
  }
  .fdC {
    flex-direction: column;
    background-color: lightblue;
  }
  .fdCR {
    flex-direction: column-reverse;
    background-color: lavender;
  }
  .wmHTB {
    writing-mode: horizontal-tb;
  }
  .wmVLR {
    writing-mode: vertical-lr;
  }
  .wmVRL {
    writing-mode: vertical-rl;
  }
  .wmSLR {
    writing-mode: sideways-lr;
  }
  .wmSRL {
    writing-mode: sideways-rl;
  }
  .dLR {
    direction: ltr;
  }
  .dRL {
    direction: rtl;
  }
</style>
<script>
"use strict";
SimpleTest.waitForExplicitFinish();
function testContainerMatchesExpectedValues(flex, values, flexIndex) {
  is(flex.mainAxisDirection, values.m, "Flex index " + flexIndex + " should have expected mainAxisDirection.");
  is(flex.crossAxisDirection, values.c, "Flex index " + flexIndex + " should have expected crossAxisDirection.");
}
function runTests() {
  const expectedValues = [
    { m: "horizontal-lr", c: "vertical-tb" },
    { m: "horizontal-rl", c: "vertical-tb" },
    { m: "vertical-tb", c: "horizontal-lr" },
    { m: "vertical-bt", c: "horizontal-lr" },
    { m: "vertical-tb", c: "horizontal-rl" },
    { m: "vertical-bt", c: "horizontal-rl" },
    { m: "vertical-bt", c: "horizontal-lr" },
    { m: "vertical-tb", c: "horizontal-lr" },
    { m: "vertical-tb", c: "horizontal-rl" },
    { m: "vertical-bt", c: "horizontal-rl" },
    { m: "horizontal-rl", c: "vertical-tb" },
    { m: "horizontal-lr", c: "vertical-tb" },
    { m: "vertical-bt", c: "horizontal-lr" },
    { m: "vertical-tb", c: "horizontal-lr" },
    { m: "vertical-bt", c: "horizontal-rl" },
    { m: "vertical-tb", c: "horizontal-rl" },
    { m: "vertical-tb", c: "horizontal-lr" },
    { m: "vertical-bt", c: "horizontal-lr" },
    { m: "vertical-bt", c: "horizontal-rl" },
    { m: "vertical-tb", c: "horizontal-rl" },
    { m: "vertical-tb", c: "horizontal-lr" },
    { m: "vertical-tb", c: "horizontal-rl" },
    { m: "horizontal-lr", c: "vertical-tb" },
    { m: "horizontal-lr", c: "vertical-bt" },
    { m: "horizontal-rl", c: "vertical-tb" },
    { m: "horizontal-rl", c: "vertical-bt" },
    { m: "horizontal-lr", c: "vertical-bt" },
    { m: "horizontal-lr", c: "vertical-tb" },
    { m: "horizontal-rl", c: "vertical-tb" },
    { m: "horizontal-rl", c: "vertical-bt" },
    { m: "vertical-bt", c: "horizontal-lr" },
    { m: "vertical-bt", c: "horizontal-rl" },
    { m: "horizontal-rl", c: "vertical-tb" },
    { m: "horizontal-rl", c: "vertical-bt" },
    { m: "horizontal-lr", c: "vertical-tb" },
    { m: "horizontal-lr", c: "vertical-bt" },
    { m: "horizontal-rl", c: "vertical-bt" },
    { m: "horizontal-rl", c: "vertical-tb" },
    { m: "horizontal-lr", c: "vertical-tb" },
    { m: "horizontal-lr", c: "vertical-bt" },
  ];
  const children = document.body.children;
  is(children.length, expectedValues.length, "Document should have expected number of flex containers.");
  for (let i = 0; i < children.length; ++i) {
    const flex = children.item(i).getAsFlexContainer();
    ok(flex, "Document child index " + i + " should be a flex container.");
    if (flex) {
      const values = expectedValues[i];
      testContainerMatchesExpectedValues(flex, values, i);
    }
  }
  SimpleTest.finish();
}
</script>
</head>
<body onLoad="runTests();">
<f class="fdR wmHTB dLR"><b></b><c></c><d></d></f>
<f class="fdR wmHTB dRL"><b></b><c></c><d></d></f>
<f class="fdR wmVLR dLR"><b></b><c></c><d></d></f>
<f class="fdR wmVLR dRL"><b></b><c></c><d></d></f>
<f class="fdR wmVRL dLR"><b></b><c></c><d></d></f>
<f class="fdR wmVRL dRL"><b></b><c></c><d></d></f>
<f class="fdR wmSLR dLR"><b></b><c></c><d></d></f>
<f class="fdR wmSLR dRL"><b></b><c></c><d></d></f>
<f class="fdR wmSRL dLR"><b></b><c></c><d></d></f>
<f class="fdR wmSRL dRL"><b></b><c></c><d></d></f>
<f class="fdRR wmHTB dLR"><b></b><c></c><d></d></f>
<f class="fdRR wmHTB dRL"><b></b><c></c><d></d></f>
<f class="fdRR wmVLR dLR"><b></b><c></c><d></d></f>
<f class="fdRR wmVLR dRL"><b></b><c></c><d></d></f>
<f class="fdRR wmVRL dLR"><b></b><c></c><d></d></f>
<f class="fdRR wmVRL dRL"><b></b><c></c><d></d></f>
<f class="fdRR wmSLR dLR"><b></b><c></c><d></d></f>
<f class="fdRR wmSLR dRL"><b></b><c></c><d></d></f>
<f class="fdRR wmSRL dLR"><b></b><c></c><d></d></f>
<f class="fdRR wmSRL dRL"><b></b><c></c><d></d></f>
<f class="fdC wmHTB dLR"><b></b><c></c><d></d></f>
<f class="fdC wmHTB dRL"><b></b><c></c><d></d></f>
<f class="fdC wmVLR dLR"><b></b><c></c><d></d></f>
<f class="fdC wmVLR dRL"><b></b><c></c><d></d></f>
<f class="fdC wmVRL dLR"><b></b><c></c><d></d></f>
<f class="fdC wmVRL dRL"><b></b><c></c><d></d></f>
<f class="fdC wmSLR dLR"><b></b><c></c><d></d></f>
<f class="fdC wmSLR dRL"><b></b><c></c><d></d></f>
<f class="fdC wmSRL dLR"><b></b><c></c><d></d></f>
<f class="fdC wmSRL dRL"><b></b><c></c><d></d></f>
<f class="fdCR wmHTB dLR"><b></b><c></c><d></d></f>
<f class="fdCR wmHTB dRL"><b></b><c></c><d></d></f>
<f class="fdCR wmVLR dLR"><b></b><c></c><d></d></f>
<f class="fdCR wmVLR dRL"><b></b><c></c><d></d></f>
<f class="fdCR wmVRL dLR"><b></b><c></c><d></d></f>
<f class="fdCR wmVRL dRL"><b></b><c></c><d></d></f>
<f class="fdCR wmSLR dLR"><b></b><c></c><d></d></f>
<f class="fdCR wmSLR dRL"><b></b><c></c><d></d></f>
<f class="fdCR wmSRL dLR"><b></b><c></c><d></d></f>
<f class="fdCR wmSRL dRL"><b></b><c></c><d></d></f>
</body>
</html>