1 files changed, 104 insertions, 0 deletions
diff --git a/dom/grid/test/chrome/test_grid_lines.html b/dom/grid/test/chrome/test_grid_lines.html
new file mode 100644
index 0000000000..c8fa8b6850
--- /dev/null
+++ b/dom/grid/test/chrome/test_grid_lines.html
@@ -0,0 +1,104 @@
+<!doctype html>
+<html>
+<head>
+<meta charset="utf-8">
+<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+<link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css" />
+<style>
+body {
+  margin: 40px;
+}
+.wrapper {
+  display: grid;
+  width: 400px;
+  grid-gap: 10px;
+  grid-template-columns: 50px [first first] repeat(3, [divider] 100px) [last last last last];
+  grid-template-rows: [top1 top2] repeat(1, [top2 top2] 50px) [bot];
+  background-color: #f00;
+}
+.box {
+  background-color: #444;
+  color: #fff;
+}
+</style>
+
+<script>
+"use strict";
+
+SimpleTest.waitForExplicitFinish();
+
+function runTests() {
+  var wrapper = document.getElementById("wrapper");
+  var grid = wrapper.getGridFragments()[0];
+
+  // test property existence
+  isnot(typeof(grid.cols.lines), "undefined", "Grid.cols.lines property exists.");
+
+  if (typeof(grid.cols.lines) != "undefined") {
+    // test column line count
+    is(grid.cols.lines.length, 5,
+      "Grid.cols.lines property has length that matches grid-template-columns."
+    );
+
+    if (grid.cols.lines.length == 5) {
+      // test column line position
+      is(grid.cols.lines[1].start, 50, "Grid column line 2 position is as expected.");
+
+      // test column line width
+      is(grid.cols.lines[1].breadth, 10, "Grid column line 2 width is as expected.");
+
+      // test column line numbers, positive and negative
+      is(grid.cols.lines[3].number, 4, "Grid column line 4 positive number is as expected.");
+      is(grid.cols.lines[3].negativeNumber, -2, "Grid column line 4 negative number is as expected.");
+
+      // test column line names
+      is(grid.cols.lines[0].names.length, 0, "Grid column line 1 has no names.");
+
+      is(grid.cols.lines[1].names.length, 2, "Grid column line 2 has 2 names.");
+      is(grid.cols.lines[1].names + "", "first,divider", "Grid column line 2 has the names 'first,divider'.");
+
+      is(grid.cols.lines[4].names.length, 1, "Grid column line 5 has 1 name.");
+      is(grid.cols.lines[4].names + "", "last", "Grid column line 5 has the name 'last'.");
+    }
+  }
+
+  // test property existence
+  isnot(typeof(grid.rows.lines), "undefined", "Grid.rows.lines property exists.");
+
+  if (typeof(grid.rows.lines) != "undefined") {
+    // test column line count
+    is(grid.rows.lines.length, 3,
+      "Grid.rows.lines property has length that matches grid-template-rows."
+    );
+
+    if (grid.rows.lines.length == 3) {
+      // test row line names
+      is(grid.rows.lines[0].names.length, 2, "Grid row line 1 has 2 names.");
+      is(grid.rows.lines[0].names + "", "top1,top2", "Grid row line 1 has the names 'top1,top2'.");
+
+      is(grid.rows.lines[1].names.length, 1, "Grid row line 2 has 1 name.");
+      is(grid.rows.lines[1].names + "", "bot", "Grid row line 2 has the name 'bot'.");
+
+      is(grid.rows.lines[2].names.length, 0, "Grid row line 3 has no names.");
+    }
+  }
+
+  SimpleTest.finish();
+}
+</script>
+</head>
+<body onLoad="runTests();">
+
+  <div id="wrapper" class="wrapper">
+    <div id="boxA" class="box a">A</div>
+    <div id="boxB" class="box b">B</div>
+    <div id="boxC" class="box c">C</div>
+    <div class="box d">D</div>
+    <div class="box e">E</div>
+    <div class="box f">F</div>
+    <div class="box g">G</div>
+    <div class="box h">H</div>
+  </div>
+
+</body>
+</html>