1 files changed, 53 insertions, 0 deletions
diff --git a/devtools/client/inspector/test/browser_inspector_infobar_textnode.js b/devtools/client/inspector/test/browser_inspector_infobar_textnode.js
new file mode 100644
index 0000000000..b02cee6819
--- /dev/null
+++ b/devtools/client/inspector/test/browser_inspector_infobar_textnode.js
@@ -0,0 +1,53 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+// Bug 1309212 - Make sure info-bar is displayed with dimensions for text nodes.
+
+const TEST_URI = URL_ROOT + "doc_inspector_infobar_textnode.html";
+
+add_task(async function () {
+  const { inspector, highlighterTestFront } = await openInspectorForURL(
+    TEST_URI
+  );
+  const { walker } = inspector;
+
+  info("Retrieve the children of #textnode-container");
+  const div = await walker.querySelector(
+    walker.rootNode,
+    "#textnode-container"
+  );
+  const { nodes } = await inspector.walker.children(div);
+
+  // Children 0, 2 and 4 are text nodes, for which we expect to see an infobar containing
+  // dimensions.
+
+  // Regular text node.
+  info("Select the first text node");
+  await selectNode(nodes[0], inspector, "test-highlight");
+  await checkTextNodeInfoBar(highlighterTestFront);
+
+  // Whitespace-only text node.
+  info("Select the second text node");
+  await selectNode(nodes[2], inspector, "test-highlight");
+  await checkTextNodeInfoBar(highlighterTestFront);
+
+  // Regular text node.
+  info("Select the third text node");
+  await selectNode(nodes[4], inspector, "test-highlight");
+  await checkTextNodeInfoBar(highlighterTestFront);
+});
+
+async function checkTextNodeInfoBar(highlighterTestFront) {
+  const tag = await highlighterTestFront.getHighlighterNodeTextContent(
+    "box-model-infobar-tagname"
+  );
+  is(tag, "#text", "node display name is #text");
+  const dims = await highlighterTestFront.getHighlighterNodeTextContent(
+    "box-model-infobar-dimensions"
+  );
+  // Do not assert dimensions as they might be platform specific.
+  ok(!!dims, "node has dims");
+}