1 files changed, 45 insertions, 0 deletions
diff --git a/dom/console/tests/console.sys.mjs b/dom/console/tests/console.sys.mjs
new file mode 100644
index 0000000000..d239d58a5d
--- /dev/null
+++ b/dom/console/tests/console.sys.mjs
@@ -0,0 +1,45 @@
+/**
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/
+ */
+export var ConsoleTest = {
+  go(dumpFunction) {
+    console.log("Hello world!");
+    console.createInstance().log("Hello world!");
+
+    let c = console.createInstance({
+      consoleID: "wow",
+      innerID: "CUSTOM INNER",
+      dump: dumpFunction,
+      prefix: "_PREFIX_",
+    });
+
+    c.log("Hello world!");
+    c.trace("Hello world!");
+
+    console
+      .createInstance({ innerID: "LEVEL", maxLogLevel: "Off" })
+      .log("Invisible!");
+    console
+      .createInstance({ innerID: "LEVEL", maxLogLevel: "All" })
+      .log("Hello world!");
+    console
+      .createInstance({
+        innerID: "LEVEL",
+        maxLogLevelPref: "pref.test.console",
+      })
+      .log("Hello world!");
+
+    this.c2 = console.createInstance({
+      innerID: "NO PREF",
+      maxLogLevel: "Warn",
+      maxLogLevelPref: "pref.test.console.notset",
+    });
+    this.c2.log("Invisible!");
+    this.c2.warn("Hello world!");
+  },
+
+  go2() {
+    this.c2.log("Hello world!");
+  },
+};