Fix UserDefaults.integer(forKey:) behavior

Author: woxtu

Sources/Foundation/UserDefaults.swift

@@ -191,6 +191,15 @@ open class UserDefaults: NSObject {
         if let bVal = aVal as? Int {
             return bVal
         }
+        if let bVal = aVal as? Bool {
+            return NSNumber(value: bVal).intValue
+        }
+        if let bVal = aVal as? Float {
+            return NSNumber(value: bVal).intValue
+        }
+        if let bVal = aVal as? Double {
+            return NSNumber(value: bVal).intValue
+        }
         if let bVal = aVal as? String {
             return NSString(string: bVal).integerValue
         }

Tests/Foundation/Tests/TestUserDefaults.swift

@@ -28,6 +28,9 @@ class TestUserDefaults : XCTestCase {
 			("test_setValue_NSData", test_setValue_NSData ),
 			("test_setValue_Data", test_setValue_Data ),
 			("test_setValue_BoolFromString", test_setValue_BoolFromString ),
+			("test_setValue_IntFromBool", test_setValue_IntFromBool ),
+			("test_setValue_IntFromFloat", test_setValue_IntFromFloat ),
+			("test_setValue_IntFromDouble", test_setValue_IntFromDouble ),
 			("test_setValue_IntFromString", test_setValue_IntFromString ),
 			("test_setValue_DoubleFromString", test_setValue_DoubleFromString ),
 			("test_setValue_StringFromBool", test_setValue_StringFromBool ),
@@ -231,6 +234,33 @@ class TestUserDefaults : XCTestCase {
 		XCTAssertEqual(defaults.bool(forKey: "key1"), true)
 	}
 
+	func test_setValue_IntFromBool() {
+		let defaults = UserDefaults.standard
+
+		// Register an int default value as a boolean. UserDefaults.integer(forKey:) is supposed to return the converted Int value
+		defaults.set(true, forKey: "key1")
+
+		XCTAssertEqual(defaults.integer(forKey: "key1"), 1)
+	}
+
+	func test_setValue_IntFromFloat() {
+		let defaults = UserDefaults.standard
+
+		// Register an int default value as a float. UserDefaults.integer(forKey:) is supposed to return the converted Int value
+		defaults.set(12.34 as Float, forKey: "key1")
+
+		XCTAssertEqual(defaults.integer(forKey: "key1"), 12)
+	}
+
+	func test_setValue_IntFromDouble() {
+		let defaults = UserDefaults.standard
+
+		// Register an int default value as a double. UserDefaults.integer(forKey:) is supposed to return the converted Int value
+		defaults.set(12.34, forKey: "key1")
+
+		XCTAssertEqual(defaults.integer(forKey: "key1"), 12)
+	}
+
 	func test_setValue_IntFromString() {
 		let defaults = UserDefaults.standard