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Diffstat (limited to 'dom/base/test/test_innersize_scrollport.html')
| -rw-r--r-- | dom/base/test/test_innersize_scrollport.html | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/dom/base/test/test_innersize_scrollport.html b/dom/base/test/test_innersize_scrollport.html new file mode 100644 index 000000000..a000e9355 --- /dev/null +++ b/dom/base/test/test_innersize_scrollport.html @@ -0,0 +1,48 @@ +<!DOCTYPE html> +<html> +<head> + <meta charset="UTF-8"> + <title>Test for Bug 919437</title> + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> +</head> +<body> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=919437">Mozilla Bug 919437</a> +<div id="content" style="display: none"></div> +<pre id="test"> +<script type="application/javascript"> +/** Test for Bug 919437 **/ + +SimpleTest.waitForExplicitFinish(); + +function run() +{ + var oldWidth = window.innerWidth; + var oldHeight = window.innerHeight; + var newWidth = oldWidth / 2; + var newHeight = oldHeight / 2; + + var utils = SpecialPowers.getDOMWindowUtils(window); + utils.setScrollPositionClampingScrollPortSize(newWidth, newHeight); + is(window.innerWidth, newWidth, "innerWidth not updated to scroll port width"); + is(window.innerHeight, newHeight, "innerHeight not updated to scroll port height"); + + var innerWidthGetter = Object.getOwnPropertyDescriptor(window, "innerWidth").get; + var innerHeightGetter = Object.getOwnPropertyDescriptor(window, "innerHeight").get; + + window.innerWidth = oldWidth; + window.innerHeight = oldHeight; + is(window.innerWidth, oldWidth, "Should have redefined innerWidth"); + is(window.innerHeight, oldHeight, "Should have redefined innerWidth"); + is(innerWidthGetter.call(window), newWidth, "innerWidth clobbered by direct set"); + is(innerHeightGetter.call(window), newHeight, "innerHeight clobbered by direct set"); + + SimpleTest.finish(); +} + +window.addEventListener("load", run, false); + +</script> +</pre> +</body> +</html> |