<!DOCTYPE html>
<meta charset="utf-8">
<title>Window Segments: getWindowSegments() tentative</title>
<!-- TODO: update link to W3C whenever specifications are ready -->
<link rel="help" href="https://github.com/webscreens/window-segments/"/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
"use strict";

test(() => {
  let segments = window.getWindowSegments();
  assert_equals(segments.length, 1, "For a viewport not segmented, there must be a single window segment");
  let segment = segments[0];
  assert_equals(segment.x, 0, "A viewport with a single segment must have 0, 0 origin");
  assert_equals(segment.y, 0, "A viewport with a single segment must have 0, 0 origin");
  assert_equals(segment.width, window.innerWidth, "A viewport with a single segment must have a width in CSS pixels, matching window.innerWidth");
  assert_equals(segment.height, window.innerHeight, "A viewport with a single segment must have a height in CSS pixels, matching window.innerHeight");
}, "getWindowSegments() returns a single segment, equal to the layout viewport dimesions");
</script>