1 files changed, 40 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_webconsole_console_table_fallback.js b/devtools/client/webconsole/test/browser/browser_webconsole_console_table_fallback.js
new file mode 100644
index 0000000000..a511e8af77
--- /dev/null
+++ b/devtools/client/webconsole/test/browser/browser_webconsole_console_table_fallback.js
@@ -0,0 +1,40 @@
+/* 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/. */
+
+// console.table fallback to console.log for unsupported parameters.
+
+"use strict";
+
+const tests = [
+  [`console.table(10, 20, 30, 40, 50)`, `10 20 30 40 50`],
+  [`console.table(1.2, 3.4, 5.6)`, `1.2 3.4 5.6`],
+  [`console.table(10n, 20n, 30n)`, `10n 20n 30n`],
+  [`console.table(true, false)`, `true false`],
+  [`console.table("foo", "bar", "baz")`, `foo bar baz`],
+  [`console.table(null, undefined, null)`, `null undefined null`],
+  [`console.table(undefined, null, undefined)`, `undefined null undefined`],
+  [`console.table(Symbol.iterator)`, `Symbol(Symbol.iterator)`],
+  [`console.table(/pattern/i)`, `/pattern/i`],
+  [`console.table(function f() {})`, `function f()`],
+];
+
+add_task(async function () {
+  const TEST_URI = "data:text/html,<!DOCTYPE html><meta charset=utf8>";
+
+  const hud = await openNewTabAndConsole(TEST_URI);
+
+  for (const [input, output] of tests) {
+    execute(hud, input);
+    const message = await waitFor(
+      () => findConsoleAPIMessage(hud, output),
+      `Waiting for output for ${input}`
+    );
+
+    is(
+      message.querySelector(".message-body").textContent,
+      output,
+      `Expected messages are displayed for ${input}`
+    );
+  }
+});