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-rw-r--r--layout/reftests/css-valuesandunits/unit-vh-vw-overflow-scroll-y-ref-iframe.html28
1 files changed, 28 insertions, 0 deletions
diff --git a/layout/reftests/css-valuesandunits/unit-vh-vw-overflow-scroll-y-ref-iframe.html b/layout/reftests/css-valuesandunits/unit-vh-vw-overflow-scroll-y-ref-iframe.html
new file mode 100644
index 0000000000..7243ccbf7e
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+++ b/layout/reftests/css-valuesandunits/unit-vh-vw-overflow-scroll-y-ref-iframe.html
@@ -0,0 +1,28 @@
+<style>
+ body { overflow-y: scroll }
+ div {
+ width: 10px;
+ height: 10px;
+ background-color: #d64203;
+ }
+</style>
+
+<body>
+ <div id="a"></div>
+ <div style="height: 50px"></div> <!-- Unaffected by scrollbars. -->
+ <div id="c"></div>
+ <div style="height: 50px"></div> <!-- Unaffected by scrollbars. -->
+
+ <!-- Deliberately make scrollbars appear. -->
+ <div style="width: 500px; height: 500px; background-color: black">
+</body>
+
+<script>
+ // client{Width, Height} consist of the area _inside_ the scrollbars, so these
+ // manually calculated units reflect the fact that with 'overflow: scroll' set,
+ // viewport units are sized taking the scrollbars into account. Since we're
+ // only dealing with 'overflow-y' here, only the width units are affected.
+ var vw = 0.01 * document.body.clientWidth;
+ document.getElementById('a').style.width = (50 * vw) + "px";
+ document.getElementById('c').style.width = (35 * vw) + "px";
+</script>