1 files changed, 31 insertions, 0 deletions
diff --git a/dom/console/tests/xpcshell/test_basic.js b/dom/console/tests/xpcshell/test_basic.js
new file mode 100644
index 0000000000..00fb253a4c
--- /dev/null
+++ b/dom/console/tests/xpcshell/test_basic.js
@@ -0,0 +1,31 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
+
+add_task(async function() {
+  Assert.ok("console" in this);
+
+  let p = new Promise(resolve => {
+    function consoleListener() {
+      Services.obs.addObserver(this, "console-api-log-event");
+    }
+
+    consoleListener.prototype = {
+      observe(aSubject, aTopic, aData) {
+        let obj = aSubject.wrappedJSObject;
+        Assert.ok(obj.arguments[0] === 42, "Message received!");
+        Assert.ok(obj.ID === "jsm", "The ID is JSM");
+        Assert.ok(obj.innerID.endsWith("test_basic.js"), "The innerID matches");
+
+        Services.obs.removeObserver(this, "console-api-log-event");
+        resolve();
+      },
+    };
+
+    new consoleListener();
+  });
+
+  console.log(42);
+  await p;
+});