Add CoreTest.test_handleGesture_endWithoutAttraction()

Sources/Core.swift

@@ -736,14 +736,7 @@ class Core: NSObject, UIGestureRecognizerDelegate {
         }
 
         guard shouldAttract(to: target) else {
-            self.state = target
-            self.updateLayout(to: target)
-            self.unlockScrollView()
-            // The `floatingPanelDidEndDragging(_:willAttract:)` must be called after the state property changes.
-            // This allows library users to get the correct state in the delegate method.
-            if let vc = ownerVC {
-                vc.delegate?.floatingPanelDidEndDragging?(vc, willAttract: false)
-            }
+            self.endWithoutAttraction(target)
             return
         }
 
@@ -886,6 +879,17 @@ class Core: NSObject, UIGestureRecognizerDelegate {
         return true
     }
 
+    func endWithoutAttraction(_ target: FloatingPanelState) {
+        self.state = target
+        self.updateLayout(to: target)
+        self.unlockScrollView()
+        // The `floatingPanelDidEndDragging(_:willAttract:)` must be called after the state property changes.
+        // This allows library users to get the correct state in the delegate method.
+        if let vc = ownerVC {
+            vc.delegate?.floatingPanelDidEndDragging?(vc, willAttract: false)
+        }
+    }
+
     private func startAttraction(to state: FloatingPanelState, with velocity: CGPoint, completion: @escaping (() -> Void)) {
         os_log(msg, log: devLog, type: .debug, "startAnimation to \(state) -- velocity = \(value(of: velocity))")
         guard let vc = ownerVC else { return }

Tests/CoreTests.swift

@@ -913,6 +913,27 @@ class CoreTests: XCTestCase {
             )
         }
     }
+
+    func test_handleGesture_endWithoutAttraction() throws {
+        class Delegate: FloatingPanelControllerDelegate {
+            var willAttract: Bool?
+            func floatingPanelDidEndDragging(_ fpc: FloatingPanelController, willAttract attract: Bool) {
+                willAttract = attract
+            }
+        }
+        let fpc = FloatingPanelController()
+        let scrollView = UIScrollView()
+        let delegate = Delegate()
+        fpc.showForTest()
+        fpc.delegate = delegate
+        XCTAssertEqual(fpc.state, .half)
+
+        fpc.floatingPanel.endWithoutAttraction(.full)
+
+        XCTAssertEqual(fpc.state, .full)
+        XCTAssertEqual(fpc.surfaceLocation(for: .full).y, fpc.surfaceLocation.y)
+        XCTAssertEqual(delegate.willAttract, false)
+    }
 }
 
 private class FloatingPanelLayout3Positions: FloatingPanelTestLayout {