add simple hilo next range test

Author: gregolsky

test/Ported/HiLoTest.ts

@@ -219,4 +219,31 @@ describe("HiLo", function () {
                 assert.ok(parseInt(numericPart, 10) < 33);
             });
     });
+
+    it("does get another range when gets over max and leaves no gaps", async () => {
+        const parallelLevel = 40;
+        const users = Array.from(Array(parallelLevel).keys()).map(x => new User());
+
+        const tasks = Array.from(Array(parallelLevel).keys()).map(async i => {
+            const user = users[i];
+            const session = store.openSession();
+            await session.store(user);
+            await session.saveChanges();
+        });
+
+        await Promise.all(tasks);
+
+        const idNumbers = users
+            .map(x => x.id)
+            .map(id => id.split("/")[1])
+            .map(x => parseInt(x.split("-")[0], 10));
+        
+        assert.strictEqual(idNumbers.length, 40);
+
+        idNumbers.sort((a, b) => a > b ? 1 : -1);
+
+        for (let i = 1; i <= 40; i++) {
+            assert.strictEqual(idNumbers[i - 1], i);
+        }
+    });
 });