fix/uiaccessibilityPerformEscape

Author: e-sung

Tests/UIAccessiblityPerformEscapeTests.swift

@@ -0,0 +1,50 @@
+//
+//  UIAccessiblityPerformEscapeTests.swift
+//  PanModalTests
+//
+//  Created by Sungdoo on 2022/03/17.
+//  Copyright © 2022 Detail. All rights reserved.
+//
+
+import XCTest
+import PanModal
+
+class UIAccessiblityPerformEscapeTests: XCTestCase {
+
+    class MockViewController: UIViewController, PanModalPresentable {
+        var panScrollable: UIScrollView? { return nil }
+    }
+    
+    override func setUpWithError() throws {
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+    }
+
+    override func tearDownWithError() throws {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+    }
+
+    func testAccessibilityPerformEscape() throws {
+        
+        let presenterViewController = UIApplication.shared.keyWindow?.rootViewController
+        let panModal: UIViewController & PanModalPresentable = MockViewController()
+        
+        presenterViewController?.presentPanModal(panModal)
+        XCTAssertNotNil(presenterViewController?.presentedViewController, "panModal should have been presented")
+        
+        let presentDidFisnish = XCTestExpectation()
+        let dismissDidFinish = XCTestExpectation()
+        DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
+            
+            let panContainerView = panModal.view.superview
+            presentDidFisnish.fulfill()
+            panContainerView?.accessibilityPerformEscape()
+            
+            DispatchQueue.main.asyncAfter(deadline: .now() + 1) {
+                XCTAssertNil(presenterViewController?.presentedViewController, "panModal should have been dismissed")
+                dismissDidFinish.fulfill()
+            }
+        }
+        
+        wait(for: [presentDidFisnish, dismissDidFinish], timeout: 10)
+    }
+}