1 files changed, 24 insertions, 0 deletions
diff --git a/dom/workers/test/consoleReplaceable_worker.js b/dom/workers/test/consoleReplaceable_worker.js
new file mode 100644
index 0000000000..7e6be8cdd6
--- /dev/null
+++ b/dom/workers/test/consoleReplaceable_worker.js
@@ -0,0 +1,24 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+
+onmessage = function (event) {
+  postMessage({ event: "console exists", status: !!console, last: false });
+  var logCalled = false;
+  console.log = function () {
+    logCalled = true;
+  };
+  console.log("foo");
+  postMessage({
+    event: "console.log is replaceable",
+    status: logCalled,
+    last: false,
+  });
+  console = 42;
+  postMessage({
+    event: "console is replaceable",
+    status: console === 42,
+    last: true,
+  });
+};