1 files changed, 29 insertions, 0 deletions
diff --git a/tests/wpt/css-tests/css-values-3_dev/xhtml1/support/util.js b/tests/wpt/css-tests/css-values-3_dev/xhtml1/support/util.js
new file mode 100644
index 00000000000..a7ce4283e45
--- /dev/null
+++ b/tests/wpt/css-tests/css-values-3_dev/xhtml1/support/util.js
@@ -0,0 +1,29 @@
+function resizeViewportTo(viewportSelector, width, height) {
+	var iframe = document.querySelector(viewportSelector);
+	// Commonly used trick to trigger a layout
+	iframe.contentWindow.document.body.offsetTop;
+
+	iframe.width = width;
+	iframe.height = height;
+	
+	iframe.contentWindow.document.body.offsetTop;
+}
+
+function injectStylesInIFrame(styleSelector, frameSelector) {
+	var style = document.querySelector(styleSelector),
+		frame = document.querySelector(frameSelector);
+	
+	frame.contentWindow.addNewStyles(style.textContent);
+}
+
+
+if (window.parent != window) {
+	// we're in an iframe, so expose the bits that allow setting styles inside
+	window.addNewStyles = function (cssText) {
+		var styleTag = document.createElement("style"),
+			textNode = document.createTextNode(cssText);
+
+		styleTag.appendChild(textNode);
+		document.head.appendChild(styleTag);
+	}
+}
+\ No newline at end of file