Other: Added a test case to find out if all the fallbacks are just fo…

…r IE8

tests/_support.js

@@ -0,0 +1,24 @@
+var tape = require("tape");
+
+var protobuf = require("..");
+
+function name(fn) {
+    if (!fn)
+        return "" + fn;
+    return fn.name;
+}
+
+var ans = {};
+try {
+    Object.defineProperty(ans, "wer", {
+        get: function() {
+            return 42;
+        }
+    });
+} catch (e) {}
+
+tape.test("environment supports", function(test) {
+    test.ok(typeof Uint8Array !== "undefined", "Uint8Array");
+    test.ok(ans.wer === 42, "getters/setters");
+    test.end();
+});