1 files changed, 40 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/document-metadata/the-style-element/style_media.html b/testing/web-platform/tests/html/semantics/document-metadata/the-style-element/style_media.html
new file mode 100644
index 0000000000..04bcbc53ef
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/document-metadata/the-style-element/style_media.html
@@ -0,0 +1,40 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>HTML Test: The style information must be applied to the environment specified by the media attribute</title>
+    <link rel="author" title="Intel" href="http://www.intel.com/">
+    <link rel="help" href="https://html.spec.whatwg.org/multipage/#attr-style-media">
+    <link rel="help" href="https://html.spec.whatwg.org/multipage/#the-style-element">
+    <script src="/resources/testharness.js"></script>
+    <script src="/resources/testharnessreport.js"></script>
+    <style>
+      #test {
+        width: 100px;
+      }
+    </style>
+    <style id="style">
+      #test {
+        width: 50px;
+      }
+    </style>
+  </head>
+  <body>
+    <div id="log"></div>
+    <div id="test"></div>
+    <script>
+      test(function() {
+        var testElement = document.getElementById("test");
+        var style = document.getElementById("style");
+        var width1, width2;
+
+        width1 = window.getComputedStyle(testElement)["width"];
+        assert_equals(width1, "50px", "The style should be applied.");
+
+        style.media = "print";
+        width2 = window.getComputedStyle(testElement)["width"];
+        assert_equals(width2, "100px", "The style should not be applied.");
+      }, "The style information must be applied to the environment specified by the media attribute");
+    </script>
+  </body>
+</html>