From 2c8fd9daecd99de5f2dc452499e53bebeafe769f Mon Sep 17 00:00:00 2001
From: Raphael Koh <t-rkoh@microsoft.com>
Date: Thu, 16 Jul 2020 16:56:05 -0400
Subject: [PATCH] Add test for operations with no qubits

---
 .../__tests__/ExecutionPathVisualizerTests/process.test.ts | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/Kernel/client/__tests__/ExecutionPathVisualizerTests/process.test.ts b/src/Kernel/client/__tests__/ExecutionPathVisualizerTests/process.test.ts
index 894b7e52d2..bd9107c075 100644
--- a/src/Kernel/client/__tests__/ExecutionPathVisualizerTests/process.test.ts
+++ b/src/Kernel/client/__tests__/ExecutionPathVisualizerTests/process.test.ts
@@ -185,6 +185,13 @@ describe("Testing _groupOperations", () => {
         ];
         expect(_groupOperations(operations, registers)).toEqual([[0], [0, 1], [1], []]);
     });
+    test("no qubits", () => {
+        const operations: Operation[] = [
+            { gate: "NoOp1", controlled: false, adjoint: false, controls: [], targets: [] },
+            { gate: "NoOp2", controlled: false, adjoint: false, controls: [], targets: [] },
+        ];
+        expect(_groupOperations(operations, registers)).toEqual([[], [], [], []]);
+    });
 });
 
 describe("Testing _alignOps", () => {