Add an error when creating a clock with no Date object (#205)

src/lolex-src.js

@@ -512,6 +512,11 @@ function withGlobal(_global) {
         start = start || 0;
         loopLimit = loopLimit || 1000;
 
+        if (NativeDate === undefined) {
+            throw new Error("The global scope doesn't have a `Date` object"
+                + " (see https://github.com/sinonjs/sinon/issues/1852#issuecomment-419622780)");
+        }
+
         var clock = {
             now: getEpoch(start),
             hrNow: 0,

test/lolex-test.js

@@ -103,6 +103,17 @@ describe("issue #67", function () {
     });
 });
 
+describe("issue sinon#1852", function () {
+    it("throws when creating a clock and global has no Date", function () {
+        var clock = lolex.withGlobal({
+            setTimeout: function () {},
+            clearTimeout: function () {}
+        });
+        assert.exception(function () { clock.createClock(); });
+        assert.exception(function () { clock.install(); });
+    });
+});
+
 describe("lolex", function () {
 
     describe("setTimeout", function () {