1 files changed, 69 insertions, 0 deletions
diff --git a/layout/inspector/tests/test_getRelativeRuleLine.html b/layout/inspector/tests/test_getRelativeRuleLine.html
new file mode 100644
index 000000000..a1481a49d
--- /dev/null
+++ b/layout/inspector/tests/test_getRelativeRuleLine.html
@@ -0,0 +1,69 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+  <meta charset="utf-8">
+  <title>Test inDOMUtils::getRelativeRuleLine</title>
+  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+  <style>
+    @supports (not (whatever: 72 zq)) {
+      #test {
+	background-color: #f0c;
+      }
+    }
+
+    #test {
+      color: #f0c;
+    }
+  </style>
+  <style>#test { color: red; }</style>
+  <style>
+     @invalidatkeyword {
+     }
+
+     #test {
+       color: blue;
+     }
+  </style>
+  <script type="application/javascript;version=1.8">
+  let utils = SpecialPowers.Cc["@mozilla.org/inspector/dom-utils;1"]
+                           .getService(SpecialPowers.Ci.inIDOMUtils);
+
+  let tests = [
+    { sheetNo: 0, ruleNo: 0, lineNo: 1, columnNo: 1 },
+    { sheetNo: 1, ruleNo: 0, lineNo: 2, columnNo: 15 },
+    { sheetNo: 1, ruleNo: 1, lineNo: 8, columnNo: 5 },
+    { sheetNo: 2, ruleNo: 0, lineNo: 1, columnNo: 1 },
+    { sheetNo: 2, ruleNo: 1, lineNo: 0, columnNo: 1 },
+    { sheetNo: 3, ruleNo: 0, lineNo: 5, columnNo: 6 },
+  ];
+
+  function doTest() {
+    document.styleSheets[2].insertRule("body{}", 1);
+    for (let test of tests) {
+      let sheet = document.styleSheets[test.sheetNo];
+      let rule = sheet.cssRules[test.ruleNo];
+      let line = utils.getRelativeRuleLine(rule);
+      let column = utils.getRuleColumn(rule);
+      info("testing sheet " + test.sheetNo + ", rule " + test.ruleNo);
+      is(line, test.lineNo, "line number is correct");
+      is(column, test.columnNo, "column number is correct");
+    }
+
+    SimpleTest.finish();
+  }
+
+  SimpleTest.waitForExplicitFinish();
+  addLoadEvent(doTest);
+  </script>
+</head>
+<body>
+<h1>Test inDOMUtils::getRelativeRuleLine</h1>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+</pre>
+</body>
+</html>