<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<link rel="help" href="https://developer.mozilla.org/en-US/docs/Web/API/Element/getClientRects">
<link rel="help" href="https://drafts.csswg.org/css-multicol/">
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
  .multicol {
      visibility: hidden;
      position: absolute;
      left: 100px;
      top: 50px;
      columns: 3;
      column-gap: 10px;
      inline-size: 290px;
      font: 20px/1 Ahem;
      orphans: 1;
      widows: 1;
  }
  #horizontalTbLtr {
      writing-mode: horizontal-tb;
  }
  #verticalLrLtr {
      writing-mode: vertical-lr;
  }
  #verticalRlLtr {
      writing-mode: vertical-rl;
  }
  #horizontalTbRtl {
      writing-mode: horizontal-tb;
      direction: rtl;
  }
  #verticalLrRtl {
      writing-mode: vertical-lr;
      direction: rtl;
  }
  #verticalRlRtl {
      writing-mode: vertical-rl;
      direction: rtl;
  }
</style>
<div class="multicol" id="horizontalTbLtr">
  <div style="block-size:20px;"></div>
  <span>XXXX XXXX XXXX XXXX</span>
</div>
<div class="multicol" id="verticalLrLtr">
  <div style="block-size:20px;"></div>
  <span>XXXX XXXX XXXX XXXX</span>
</div>
<div class="multicol" id="verticalRlLtr">
  <div style="block-size:20px;"></div>
  <span>XXXX XXXX XXXX XXXX</span>
</div>
<div class="multicol" id="horizontalTbRtl" >
  <div style="block-size:20px;"></div>
  <span>XXXX XXXX XXXX XXXX</span>
</div>
<div class="multicol" id="verticalLrRtl">
  <div style="block-size:20px;"></div>
  <span>XXXX XXXX XXXX XXXX</span>
</div>
<div class="multicol" id="verticalRlRtl">
  <div style="block-size:20px;"></div>
  <span>XXXX XXXX XXXX XXXX</span>
</div>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
  test(()=> {
      var span = document.querySelector("#horizontalTbLtr span");
      var rects = span.getClientRects();
      assert_equals(rects.length, 4);
      assert_equals(rects[0].left, 100);
      assert_equals(rects[0].top, 70);
      assert_equals(rects[1].left, 200);
      assert_equals(rects[1].top, 50);
      assert_equals(rects[2].left, 200);
      assert_equals(rects[2].top, 70);
      assert_equals(rects[3].left, 300);
      assert_equals(rects[3].top, 50);
  }, "horizontal-tb ltr");

  test(()=> {
      var span = document.querySelector("#verticalLrLtr span");
      var rects = span.getClientRects();
      assert_equals(rects.length, 4);
      assert_equals(rects[0].left, 120);
      assert_equals(rects[0].top, 50);
      assert_equals(rects[1].left, 100);
      assert_equals(rects[1].top, 150);
      assert_equals(rects[2].left, 120);
      assert_equals(rects[2].top, 150);
      assert_equals(rects[3].left, 100);
      assert_equals(rects[3].top, 250);
  }, "vertical-lr ltr");

  test(()=> {
      var span = document.querySelector("#verticalRlLtr span");
      var rects = span.getClientRects();
      assert_equals(rects.length, 4);
      assert_equals(rects[0].left, 100);
      assert_equals(rects[0].top, 50);
      assert_equals(rects[1].left, 120);
      assert_equals(rects[1].top, 150);
      assert_equals(rects[2].left, 100);
      assert_equals(rects[2].top, 150);
      assert_equals(rects[3].left, 120);
      assert_equals(rects[3].top, 250);
  }, "vertical-rl ltr");
  test(()=> {
      var span = document.querySelector("#horizontalTbRtl span");
      var rects = span.getClientRects();
      assert_equals(rects.length, 4);
      assert_equals(rects[0].left, 310);
      assert_equals(rects[0].top, 70);
      assert_equals(rects[1].left, 210);
      assert_equals(rects[1].top, 50);
      assert_equals(rects[2].left, 210);
      assert_equals(rects[2].top, 70);
      assert_equals(rects[3].left, 110);
      assert_equals(rects[3].top, 50);
  }, "horizontal-tb rtl");
  test(()=> {
      var span = document.querySelector("#verticalLrRtl span");
      var rects = span.getClientRects();
      assert_equals(rects.length, 4);
      assert_equals(rects[0].left, 120);
      assert_equals(rects[0].top, 260);
      assert_equals(rects[1].left, 100);
      assert_equals(rects[1].top, 160);
      assert_equals(rects[2].left, 120);
      assert_equals(rects[2].top, 160);
      assert_equals(rects[3].left, 100);
      assert_equals(rects[3].top, 60);
  }, "vertical-lr rtl");
  test(()=> {
      var span = document.querySelector("#verticalRlRtl span");
      var rects = span.getClientRects();
      assert_equals(rects.length, 4);
      assert_equals(rects[0].left, 100);
      assert_equals(rects[0].top, 260);
      assert_equals(rects[1].left, 120);
      assert_equals(rects[1].top, 160);
      assert_equals(rects[2].left, 100);
      assert_equals(rects[2].top, 160);
      assert_equals(rects[3].left, 120);
      assert_equals(rects[3].top, 60);
  }, "vertical-rl rtl");
</script>