1 files changed, 89 insertions, 0 deletions
diff --git a/devtools/client/inspector/markup/test/browser_markup_textcontent_display.js b/devtools/client/inspector/markup/test/browser_markup_textcontent_display.js
new file mode 100644
index 000000000..7513e4e18
--- /dev/null
+++ b/devtools/client/inspector/markup/test/browser_markup_textcontent_display.js
@@ -0,0 +1,89 @@
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// Test the rendering of text nodes in the markup view.
+
+const LONG_VALUE = "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do " +
+  "eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam.";
+const SCHEMA = "data:text/html;charset=UTF-8,";
+const TEST_URL = `${SCHEMA}<!DOCTYPE html>
+  <html>
+  <body>
+    <div id="shorttext">Short text</div>
+    <div id="longtext">${LONG_VALUE}</div>
+    <div id="shortcomment"><!--Short comment--></div>
+    <div id="longcomment"><!--${LONG_VALUE}--></div>
+    <div id="shorttext-and-node">Short text<span>Other element</span></div>
+    <div id="longtext-and-node">${LONG_VALUE}<span>Other element</span></div>
+  </body>
+  </html>`;
+
+const TEST_DATA = [{
+  desc: "Test node containing a short text, short text nodes can be inlined.",
+  selector: "#shorttext",
+  inline: true,
+  value: "Short text",
+}, {
+  desc: "Test node containing a long text, long text nodes are not inlined.",
+  selector: "#longtext",
+  inline: false,
+  value: LONG_VALUE,
+}, {
+  desc: "Test node containing a short comment, comments are not inlined.",
+  selector: "#shortcomment",
+  inline: false,
+  value: "Short comment",
+}, {
+  desc: "Test node containing a long comment, comments are not inlined.",
+  selector: "#longcomment",
+  inline: false,
+  value: LONG_VALUE,
+}, {
+  desc: "Test node containing a short text and a span.",
+  selector: "#shorttext-and-node",
+  inline: false,
+  value: "Short text",
+}, {
+  desc: "Test node containing a long text and a span.",
+  selector: "#longtext-and-node",
+  inline: false,
+  value: LONG_VALUE,
+}];
+
+add_task(function* () {
+  let {inspector, testActor} = yield openInspectorForURL(TEST_URL);
+
+  for (let data of TEST_DATA) {
+    yield checkNode(inspector, testActor, data);
+  }
+});
+
+function* checkNode(inspector, testActor, {desc, selector, inline, value}) {
+  info(desc);
+
+  let container = yield getContainerForSelector(selector, inspector);
+  let nodeValue = yield getFirstChildNodeValue(selector, testActor);
+  is(nodeValue, value, "The test node's text content is correct");
+
+  is(!!container.inlineTextChild, inline, "Container inlineTextChild is as expected");
+  is(!container.canExpand, inline, "Container canExpand property is as expected");
+
+  let textContainer;
+  if (inline) {
+    textContainer = container.elt.querySelector("pre");
+    ok(!!textContainer, "Text container is already rendered for inline text elements");
+  } else {
+    textContainer = container.elt.querySelector("pre");
+    ok(!textContainer, "Text container is not rendered for collapsed text nodes");
+    yield inspector.markup.expandNode(container.node);
+    yield waitForMultipleChildrenUpdates(inspector);
+
+    textContainer = container.elt.querySelector("pre");
+    ok(!!textContainer, "Text container is rendered after expanding the container");
+  }
+
+  is(textContainer.textContent, value, "The complete text node is rendered.");
+}