1 files changed, 39 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_webconsole_init.js b/devtools/client/webconsole/test/browser/browser_webconsole_init.js
new file mode 100644
index 0000000000..a3df830cdd
--- /dev/null
+++ b/devtools/client/webconsole/test/browser/browser_webconsole_init.js
@@ -0,0 +1,39 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI =
+  "http://example.com/browser/devtools/client/webconsole/" +
+  "test/browser/test-console.html";
+
+add_task(async function() {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const { ui } = hud;
+
+  ok(ui.jsterm, "jsterm exists");
+  ok(ui.wrapper, "wrapper exists");
+
+  const receievedMessages = waitForMessages({
+    hud,
+    messages: [{ text: "19" }],
+  });
+
+  await SpecialPowers.spawn(gBrowser.selectedBrowser, [], function() {
+    content.wrappedJSObject.doLogs(20);
+  });
+
+  await receievedMessages;
+
+  const outputContainer = ui.outputNode.querySelector(".webconsole-output");
+  is(
+    outputContainer.querySelectorAll(".message.console-api").length,
+    20,
+    "Correct number of messages appear"
+  );
+  is(
+    outputContainer.scrollWidth,
+    outputContainer.clientWidth,
+    "No horizontal overflow"
+  );
+});