1 files changed, 73 insertions, 0 deletions
diff --git a/devtools/server/tests/chrome/test_css-logic.html b/devtools/server/tests/chrome/test_css-logic.html
new file mode 100644
index 0000000000..6378f5a9e7
--- /dev/null
+++ b/devtools/server/tests/chrome/test_css-logic.html
@@ -0,0 +1,73 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=
+-->
+<head>
+  <meta charset="utf-8">
+  <title>Test for Bug </title>
+
+  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css">
+  <script type="application/javascript" src="inspector-helpers.js"></script>
+  <script type="application/javascript">
+"use strict";
+
+const {CssLogic} = require("devtools/server/actors/inspector/css-logic");
+
+window.onload = function() {
+  SimpleTest.waitForExplicitFinish();
+  runNextTest();
+};
+
+addTest(function getComputedStyle() {
+  const node = document.querySelector("#computed-style");
+  is(CssLogic.getComputedStyle(node).getPropertyValue("width"),
+      "50px", "Computed style on a normal node works (width)");
+  is(CssLogic.getComputedStyle(node).getPropertyValue("height"),
+      "10px", "Computed style on a normal node works (height)");
+
+  const firstChild = new _documentWalker(node, window).firstChild();
+  is(CssLogic.getComputedStyle(firstChild).getPropertyValue("content"),
+     "\"before\"", "Computed style on a ::before node works (content)");
+  const lastChild = new _documentWalker(node, window).lastChild();
+  is(CssLogic.getComputedStyle(lastChild).getPropertyValue("content"),
+     "\"after\"", "Computed style on a ::after node works (content)");
+
+  runNextTest();
+});
+
+addTest(function getBindingElementAndPseudo() {
+  const node = document.querySelector("#computed-style");
+  let {bindingElement, pseudo} = CssLogic.getBindingElementAndPseudo(node);
+
+  is(bindingElement, node,
+     "Binding element is the node itself for a normal node");
+  ok(!pseudo, "Pseudo is null for a normal node");
+
+  const firstChild = new _documentWalker(node, window).firstChild();
+  ({ bindingElement, pseudo } = CssLogic.getBindingElementAndPseudo(firstChild));
+  is(bindingElement, node,
+     "Binding element is the parent for a pseudo node");
+  is(pseudo, "::before", "Pseudo is correct for a ::before node");
+
+  const lastChild = new _documentWalker(node, window).lastChild();
+  ({ bindingElement, pseudo } = CssLogic.getBindingElementAndPseudo(lastChild));
+  is(bindingElement, node,
+     "Binding element is the parent for a pseudo node");
+  is(pseudo, "::after", "Pseudo is correct for a ::after node");
+
+  runNextTest();
+});
+
+  </script>
+</head>
+<body>
+  <style type="text/css">
+    #computed-style { width: 50px; height: 10px; }
+    #computed-style::before { content: "before"; }
+    #computed-style::after { content: "after"; }
+  </style>
+  <div id="computed-style"></div>
+</body>
+</html>