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Diffstat (limited to '')
| -rw-r--r-- | layout/generic/test/test_bug1198135.html | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/layout/generic/test/test_bug1198135.html b/layout/generic/test/test_bug1198135.html new file mode 100644 index 0000000000..3b5496d79e --- /dev/null +++ b/layout/generic/test/test_bug1198135.html @@ -0,0 +1,89 @@ +<!doctype html> +<!-- +https://bugzilla.mozilla.org/show_bug.cgi?id=1198135 +--> +<html><head> +<title>Test for Bug 1198135</title> +<script src="/tests/SimpleTest/SimpleTest.js"></script> +<link rel="stylesheet" href="/tests/SimpleTest/test.css"> +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1198135">Mozilla Bug 1198135</a> +<style> +.example { + perspective: 100px; + height: 300px; + width: 300px; + overflow-x: hidden; + overflow-y: auto; + border: 1px solid blue; +} + +.example__group { + position: relative; + transform-style: preserve-3d; + height: 300px; + top: 0; +} +.example__layer { + position: absolute; + top:0; + left: 0; + right: 0; + bottom: 0; +} +.layer--a { + box-shadow: inset 0 0 0 1px red; +} +.layer--b { + box-shadow: inset 0 0 0 1px blue; + transform: translateZ(50px) scale(.45); +} +.layer--c { + box-shadow: inset 0 0 0 1px green; +} +.layer--d { + box-shadow: inset 00px 0 0px 1px orange; + transform: translateZ(50px) scale(.45); +} +.layer--e { + box-shadow: inset 00px 0 0px 1px orange; + transform: translateZ(50px) scale(.45) translateY(300px); +} +</style> +</head> + +<body> + +<div class="example" id="first"> + <div class="example__group"> + <div class="example__layer layer--a"></div> + <div class="example__layer layer--b"></div> + </div> + <div class="example__group"> + <div class="example__layer layer--c"></div> + <div class="example__layer layer--d"></div> + </div> +</div> + +<div class="example" id="second"> + <div class="example__group"> + <div class="example__layer layer--a"></div> + <div class="example__layer layer--b"></div> + </div> + <div class="example__group"> + <div class="example__layer layer--c"></div> + <div class="example__layer layer--e"></div> + </div> +</div> + +<script> + is(document.getElementById("first").scrollHeight, 600, "Scroll height should be computed correctly"); + document.getElementById("first").scrollTop = 150; + is(document.getElementById("first").scrollHeight, 600, "Scroll height should be a constant when scrolling"); + + // The true height is 727.5 and we don't always snap the same direction. + isfuzzy(document.getElementById("second").scrollHeight, 728, 1, "Scroll height should be computed correctly"); + document.getElementById("second").scrollTop = 150; + isfuzzy(document.getElementById("second").scrollHeight, 728, 1, "Scroll height should be a constant when scrolling"); +</script> + +</body></html> |