added whole system from ola4doc

sys/node_modules/es5-ext/test/math/sign/implement.js

@@ -0,0 +1,5 @@
+'use strict';
+
+var isImplemented = require('../../../math/sign/is-implemented');
+
+module.exports = function (a) { a(isImplemented(), true); };

sys/node_modules/es5-ext/test/math/sign/index.js

@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = require('./shim');

sys/node_modules/es5-ext/test/math/sign/is-implemented.js

@@ -0,0 +1,3 @@
+'use strict';
+
+module.exports = function (t, a) { a(typeof t(), 'boolean'); };

sys/node_modules/es5-ext/test/math/sign/shim.js

@@ -0,0 +1,11 @@
+'use strict';
+
+var is = require('../../../object/is');
+
+module.exports = function (t, a) {
+	a(is(t(0), +0), true, "+0");
+	a(is(t(-0), -0), true, "-0");
+	a(t({}), NaN, true, "NaN");
+	a(t(-234234234), -1, "Negative");
+	a(t(234234234), 1, "Positive");
+};