Added: Cache methods and tests.

Author: oscbyspro

Sources/DiffableTextKit/Support/Cache.swift

@@ -34,9 +34,21 @@ public final class Cache<Key, Value> where Key: Hashable, Value: AnyObject {
     }
 
     //=------------------------------------------------------------------------=
-    // MARK: Search or Insert
+    // MARK: Utilities
     //=------------------------------------------------------------------------=
 
+    @inlinable public func access(key: Key) -> Value? {
+        nscache.object(forKey: Wrapper(key))
+    }
+    
+    @inlinable public func insert(_ value: Value, key: Key) {
+        nscache.setObject(value, forKey: Wrapper(key))
+    }
+    
+    @inlinable public func remove(key: Key) {
+        nscache.removeObject(forKey: Wrapper(key))
+    }
+
     @inlinable public func reuseable(_ key: Key, make: @autoclosure () throws -> Value) rethrows -> Value {
         let key = Wrapper(key)
         //=--------------------------------------=

Sources/DiffableTextStylesXWrapper/Constant.swift

@@ -86,4 +86,3 @@ DiffableTextStyleXiOS where
 Style: DiffableTextStyleXiOS { }
 
 #endif
-

Sources/DiffableTextStylesXWrapper/Wrapper.swift

@@ -103,4 +103,3 @@ extension WrapperTextStyleXiOS {
 }
 
 #endif
-

Tests/DiffableTextKitTests/Helpers/HelpersTests+Direction.swift

@@ -9,7 +9,7 @@
 
 #if DEBUG
 
-import XCTest
+import DiffableTestKit
 @testable import DiffableTextKit
 
 //*============================================================================*

Tests/DiffableTextKitTests/Support/SupportTests+Cache.swift

@@ -0,0 +1,59 @@
+//=----------------------------------------------------------------------------=
+// This source file is part of the DiffableTextViews open source project.
+//
+// Copyright (c) 2022 Oscar Byström Ericsson
+// Licensed under Apache License, Version 2.0
+//
+// See http://www.apache.org/licenses/LICENSE-2.0 for license information.
+//=----------------------------------------------------------------------------=
+
+#if DEBUG
+
+import DiffableTestKit
+@testable import DiffableTextKit
+
+//*============================================================================*
+// MARK: * HelpersTests x Direction
+//*============================================================================*
+
+final class SupportTests_Cache: XCTestCase {
+    
+    //=------------------------------------------------------------------------=
+    // MARK: Tests
+    //=------------------------------------------------------------------------=
+    
+    func testObjectForKey() {
+        let storage = Cache<Int, Value>()
+        storage.insert(Value("ABC"), key: 123)
+        XCTAssertEqual(Value("ABC"), storage.access(key: 123))
+    }
+    
+    //*========================================================================*
+    // MARK: * Value
+    //*========================================================================*
+    
+    final class Value: Equatable {
+        
+        //=------------------------------------------------------------------------=
+        // MARK: State
+        //=------------------------------------------------------------------------=
+        
+        let content: String
+        
+        //=------------------------------------------------------------------------=
+        // MARK: Initializers
+        //=------------------------------------------------------------------------=
+        
+        init(_ content: String) { self.content = content }
+        
+        //=------------------------------------------------------------------------=
+        // MARK: Comparisons
+        //=------------------------------------------------------------------------=
+        
+        static func == (lhs: Value, rhs: Value) -> Bool {
+            lhs.content == rhs.content
+        }
+    }
+}
+
+#endif