Added default assert definition and a second definition for writeFile. Also added a basic test file. Will be expanded more later.

node/node-tests.ts

@@ -0,0 +1,30 @@
+/// <reference path="node.d.ts" />
+
+import assert = module("assert");
+import fs = module("fs");
+
+assert(1 + 1 - 2 === 0, "The universe isn't how it should.");
+
+assert.deepEqual({ x: { y: 3 } }, { x: { y: 3 } }, "DEEP WENT DERP");
+
+assert.equal(3, "3", "uses == comparator");
+
+assert.notStrictEqual(2, "2", "uses === comparator");
+
+assert.throws(() => { throw "a hammer at your face"; }, undefined, "DODGED IT");
+
+assert.doesNotThrow(() => {
+    if (false) { throw "a hammer at your face"; }
+}, undefined, "What the...*crunch*");
+
+
+fs.writeFile("thebible.txt",
+    "Do unto others as you would have them do unto you.",
+    assert.ifError);
+
+fs.writeFile("Harry Potter",
+            "\"You be wizzing, Harry,\" jived Dumbledore.",
+            {
+                encoding: "ascii"
+            },
+            assert.ifError);