1 files changed, 33 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_console_clear_method.js b/devtools/client/webconsole/test/browser/browser_console_clear_method.js
new file mode 100644
index 0000000000..e0601f6ec5
--- /dev/null
+++ b/devtools/client/webconsole/test/browser/browser_console_clear_method.js
@@ -0,0 +1,33 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// XXX Remove this when the file is migrated to the new frontend.
+/* eslint-disable no-undef */
+
+// Check that console.clear() does not clear the output of the browser console.
+
+"use strict";
+
+const TEST_URI = "data:text/html;charset=utf8,<!DOCTYPE html><p>Bug 1296870";
+
+add_task(async function () {
+  await loadTab(TEST_URI);
+  const hud = await BrowserConsoleManager.toggleBrowserConsole();
+
+  info("Log a new message from the content page");
+  SpecialPowers.spawn(gBrowser.selectedBrowser, [], async function () {
+    content.wrappedJSObject.console.log("msg");
+  });
+  await waitForMessageByType(hud, "msg", ".console-api");
+
+  info("Send a console.clear() from the content page");
+  SpecialPowers.spawn(gBrowser.selectedBrowser, [], async function () {
+    content.wrappedJSObject.console.clear();
+  });
+  await waitForMessageByType(hud, "Console was cleared", ".console-api");
+
+  info(
+    "Check that the messages logged after the first clear are still displayed"
+  );
+  ok(hud.ui.outputNode.textContent.includes("msg"), "msg is in the output");
+});