summaryrefslogtreecommitdiffstats
path: root/dom/base/test/meta_viewport/test_meta_viewport_change_name_among_multiple.html
diff options
context:
space:
mode:
Diffstat (limited to 'dom/base/test/meta_viewport/test_meta_viewport_change_name_among_multiple.html')
-rw-r--r--dom/base/test/meta_viewport/test_meta_viewport_change_name_among_multiple.html44
1 files changed, 44 insertions, 0 deletions
diff --git a/dom/base/test/meta_viewport/test_meta_viewport_change_name_among_multiple.html b/dom/base/test/meta_viewport/test_meta_viewport_change_name_among_multiple.html
new file mode 100644
index 0000000000..ca41577bbe
--- /dev/null
+++ b/dom/base/test/meta_viewport/test_meta_viewport_change_name_among_multiple.html
@@ -0,0 +1,44 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+ <meta charset="utf-8">
+ <title>name attribute changes among multiple meta viewport tags</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+ <meta name="viewport" content="width=980">
+ <meta id="viewport" name="initial-name" content="width=device-width, initial-scale=1">
+ <script src="viewport_helpers.js"></script>
+</head>
+<body>
+ <script>
+ "use strict";
+
+ add_task(async function change_name_attribute() {
+ await SpecialPowers.pushPrefEnv(scaleRatio(1.0));
+ let viewport = document.getElementById("viewport");
+
+ let info = getViewportInfo(800, 480);
+ // The "width=980" content is a valid one.
+ fuzzeq(info.defaultZoom, 800/980, "initial scale is calculated based on width");
+ is(info.minZoom, 0.25, "minimum scale defaults to the absolute minimum");
+ is(info.maxZoom, 10, "maximum scale defaults to the absolute maximum");
+ is(info.width, 980, "width is the default width");
+ is(info.height, 588, "height is proportional to displayHeight");
+
+ // Now the second meta tag is a valid viewport.
+ viewport.setAttribute("name", "viewport");
+ info = getViewportInfo(800, 480);
+ is(info.defaultZoom, 1, "initial zoom is 1");
+ is(info.width, 800, "width should be 800");
+ is(info.height, 480, "height should be 480");
+
+ // Now it's invalid again, but it's retained.
+ viewport.setAttribute("name", "other");
+ info = getViewportInfo(800, 480);
+ is(info.defaultZoom, 1, "initial zoom is 1");
+ is(info.width, 800, "width should be 800");
+ is(info.height, 480, "height should be 480");
+ });
+ </script>
+</body>
+</html>