1 files changed, 53 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_webconsole_console_dir_uninspectable.js b/devtools/client/webconsole/test/browser/browser_webconsole_console_dir_uninspectable.js
new file mode 100644
index 0000000000..a55d0886f3
--- /dev/null
+++ b/devtools/client/webconsole/test/browser/browser_webconsole_console_dir_uninspectable.js
@@ -0,0 +1,53 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// Make sure that the Web Console output does not break after we try to call
+// console.dir() for objects that are not inspectable.
+
+"use strict";
+
+const TEST_URI =
+  "data:text/html;charset=utf8,<!DOCTYPE html>test console.dir on uninspectable object";
+const FIRST_LOG_MESSAGE = "fooBug773466a";
+const SECOND_LOG_MESSAGE = "fooBug773466b";
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+
+  info("Logging a first message to make sure everything is working");
+  await executeAndWaitForMessageByType(
+    hud,
+    `console.log("${FIRST_LOG_MESSAGE}")`,
+    FIRST_LOG_MESSAGE,
+    ".console-api"
+  );
+
+  info("console.dir on an uninspectable object");
+  await executeAndWaitForMessageByType(
+    hud,
+    "console.dir(Object.create(null))",
+    "Object {  }",
+    ".console-api"
+  );
+
+  info("Logging a second message to make sure the console is not broken");
+  const onLogMessage = waitForMessageByType(
+    hud,
+    SECOND_LOG_MESSAGE,
+    ".console-api"
+  );
+  // Logging from content to make sure the console API is working.
+  SpecialPowers.spawn(
+    gBrowser.selectedBrowser,
+    [SECOND_LOG_MESSAGE],
+    string => {
+      content.console.log(string);
+    }
+  );
+  await onLogMessage;
+
+  ok(
+    true,
+    "The console.dir call on an uninspectable object did not break the console"
+  );
+});