Rename files

ts/test-node/util/clearTimeoutIfNecessary_test.std.ts

@@ -0,0 +1,55 @@
+// Copyright 2022 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import * as sinon from 'sinon';
+
+import { clearTimeoutIfNecessary } from '../../util/clearTimeoutIfNecessary.std.js';
+
+describe('clearTimeoutIfNecessary', () => {
+  let sandbox: sinon.SinonSandbox;
+
+  beforeEach(() => {
+    sandbox = sinon.createSandbox();
+  });
+
+  afterEach(() => {
+    sandbox.restore();
+  });
+
+  it('does nothing if passed `null` or `undefined`', () => {
+    sandbox.stub(global, 'clearTimeout');
+    sandbox.stub(global, 'clearInterval');
+
+    clearTimeoutIfNecessary(undefined);
+    clearTimeoutIfNecessary(null);
+
+    sinon.assert.notCalled(global.clearTimeout as sinon.SinonSpy);
+    sinon.assert.notCalled(global.clearInterval as sinon.SinonSpy);
+  });
+
+  it('clears timeouts', async () => {
+    const clock = sandbox.useFakeTimers();
+    const fn = sinon.fake();
+    const timeout = setTimeout(fn, 123);
+
+    clearTimeoutIfNecessary(
+      timeout as unknown as ReturnType<typeof setTimeout>
+    );
+
+    await clock.tickAsync(9999);
+    sinon.assert.notCalled(fn);
+  });
+
+  it('clears intervals', async () => {
+    const clock = sandbox.useFakeTimers();
+    const fn = sinon.fake();
+    const interval = setInterval(fn, 123);
+
+    clearTimeoutIfNecessary(
+      interval as unknown as ReturnType<typeof setTimeout>
+    );
+
+    await clock.tickAsync(9999);
+    sinon.assert.notCalled(fn);
+  });
+});