import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/client/jsonview/test/browser_jsonview_copy_headers.js

@@ -0,0 +1,35 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* 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";
+
+const TEST_JSON_URL = URL_ROOT + "valid_json.json";
+
+add_task(function* () {
+  info("Test valid JSON started");
+
+  yield addJsonViewTab(TEST_JSON_URL);
+
+  // Select the RawData tab
+  yield selectJsonViewContentTab("headers");
+
+  // Check displayed headers
+  let count = yield getElementCount(".headersPanelBox .netHeadersGroup");
+  is(count, 2, "There must be two header groups");
+
+  let text = yield getElementText(".headersPanelBox .netInfoHeadersTable");
+  isnot(text, "", "Headers text must not be empty");
+
+  let browser = gBrowser.selectedBrowser;
+
+  // Verify JSON copy into the clipboard.
+  yield waitForClipboardPromise(function setup() {
+    BrowserTestUtils.synthesizeMouseAtCenter(
+      ".headersPanelBox .toolbar button.copy",
+      {}, browser);
+  }, function validator(value) {
+    return value.indexOf("application/json") > 0;
+  });
+});