1 files changed, 47 insertions, 0 deletions
diff --git a/node_modules/object.assign/test/native.js b/node_modules/object.assign/test/native.js
new file mode 100644
index 000000000..6ebd70bbd
--- /dev/null
+++ b/node_modules/object.assign/test/native.js
@@ -0,0 +1,47 @@
+'use strict';
+
+var test = require('tape');
+var defineProperties = require('define-properties');
+var isEnumerable = Object.prototype.propertyIsEnumerable;
+var functionsHaveNames = function f() {}.name === 'f';
+
+var runTests = require('./tests');
+
+test('native', function (t) {
+	t.equal(Object.assign.length, 2, 'Object.assign has a length of 2');
+	t.test('Function name', { skip: !functionsHaveNames }, function (st) {
+		st.equal(Object.assign.name, 'assign', 'Object.assign has name "assign"');
+		st.end();
+	});
+
+	t.test('enumerability', { skip: !defineProperties.supportsDescriptors }, function (et) {
+		et.equal(false, isEnumerable.call(Object, 'assign'), 'Object.assign is not enumerable');
+		et.end();
+	});
+
+	var supportsStrictMode = (function () { return typeof this === 'undefined'; }());
+
+	t.test('bad object value', { skip: !supportsStrictMode }, function (st) {
+		st['throws'](function () { return Object.assign(undefined); }, TypeError, 'undefined is not an object');
+		st['throws'](function () { return Object.assign(null); }, TypeError, 'null is not an object');
+		st.end();
+	});
+
+	// v8 in node 0.8 and 0.10 have non-enumerable string properties
+	var stringCharsAreEnumerable = isEnumerable.call('xy', 0);
+	t.test('when Object.assign is present and has pending exceptions', { skip: !stringCharsAreEnumerable || !Object.preventExtensions }, function (st) {
+		// Firefox 37 still has "pending exception" logic in its Object.assign implementation,
+		// which is 72% slower than our shim, and Firefox 40's native implementation.
+		var thrower = Object.preventExtensions({ 1: '2' });
+		var error;
+		try { Object.assign(thrower, 'xy'); } catch (e) { error = e; }
+		st.equal(error instanceof TypeError, true, 'error is TypeError');
+		st.equal(thrower[1], '2', 'thrower[1] === "2"');
+
+		st.end();
+	});
+
+	runTests(Object.assign, t);
+
+	t.end();
+});