1 files changed, 56 insertions, 0 deletions
diff --git a/devtools/client/debugger/test/mochitest/browser_dbg-preview-getter.js b/devtools/client/debugger/test/mochitest/browser_dbg-preview-getter.js
new file mode 100644
index 0000000000..0de15b96fa
--- /dev/null
+++ b/devtools/client/debugger/test/mochitest/browser_dbg-preview-getter.js
@@ -0,0 +1,56 @@
+/* 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/>. */
+
+// This test checks if 'executing getter' in a preview correctly displays values.
+// Bug 1456441 - 'execute getter' not working in Preview
+
+"use strict";
+
+add_task(async function() {
+  const dbg = await initDebugger(
+    "doc-preview-getter.html",
+    "preview-getter.js"
+  );
+
+  await loadAndAddBreakpoint(dbg, "preview-getter.js", 5, 4);
+  invokeInTab("funcA");
+  await waitForPaused(dbg);
+
+  info("Hovers over 'this' token to display the preview.");
+  await tryHovering(dbg, 5, 8, "previewPopup");
+
+  info("Invokes getter and waits for the element to be rendered");
+  await clickElement(dbg, "previewPopupInvokeGetterButton");
+  await waitForAllElements(dbg, "previewPopupObjectNumber", 2);
+
+  await clickElement(dbg, "previewPopupInvokeGetterButton");
+  await waitForAllElements(dbg, "previewPopupObjectObject", 3);
+
+  const getterButtonEls = findAllElements(
+    dbg,
+    "previewPopupInvokeGetterButton"
+  );
+  const previewObjectNumberEls = findAllElements(
+    dbg,
+    "previewPopupObjectNumber"
+  );
+  const previewObjectObjectEls = findAllElements(
+    dbg,
+    "previewPopupObjectObject"
+  );
+
+  is(getterButtonEls.length, 0, "There are no getter buttons in the preview.");
+  is(
+    previewObjectNumberEls.length,
+    2,
+    "Getters were invoked and two numerical values are displayed as expected."
+  );
+  is(
+    previewObjectObjectEls.length,
+    3,
+    "Getters were invoked and three object values are displayed as expected."
+  );
+
+  await closePreviewAtPos(dbg, 5, 8);
+});