1 files changed, 50 insertions, 0 deletions
diff --git a/browser/base/content/test/general/browser_bug417483.js b/browser/base/content/test/general/browser_bug417483.js
new file mode 100644
index 0000000000..6c8619b532
--- /dev/null
+++ b/browser/base/content/test/general/browser_bug417483.js
@@ -0,0 +1,50 @@
+add_task(async function () {
+  let loadedPromise = BrowserTestUtils.browserLoaded(
+    gBrowser.selectedBrowser,
+    true
+  );
+  const htmlContent =
+    "data:text/html, <iframe src='data:text/html,text text'></iframe>";
+  BrowserTestUtils.loadURIString(gBrowser, htmlContent);
+  await loadedPromise;
+
+  await SpecialPowers.spawn(gBrowser.selectedBrowser, [], async function (arg) {
+    let frame = content.frames[0];
+    let sel = frame.getSelection();
+    let range = frame.document.createRange();
+    let tn = frame.document.body.childNodes[0];
+    range.setStart(tn, 4);
+    range.setEnd(tn, 5);
+    sel.addRange(range);
+    frame.focus();
+  });
+
+  let contentAreaContextMenu = document.getElementById(
+    "contentAreaContextMenu"
+  );
+
+  let popupShownPromise = BrowserTestUtils.waitForEvent(
+    contentAreaContextMenu,
+    "popupshown"
+  );
+  await BrowserTestUtils.synthesizeMouse(
+    "frame",
+    5,
+    5,
+    { type: "contextmenu", button: 2 },
+    gBrowser.selectedBrowser
+  );
+  await popupShownPromise;
+
+  ok(
+    document.getElementById("frame-sep").hidden,
+    "'frame-sep' should be hidden if the selection contains only spaces"
+  );
+
+  let popupHiddenPromise = BrowserTestUtils.waitForEvent(
+    contentAreaContextMenu,
+    "popuphidden"
+  );
+  contentAreaContextMenu.hidePopup();
+  await popupHiddenPromise;
+});