Binary file Simoleon.xcodeproj/project.xcworkspace/xcuserdata/dennis.xcuserdatad/UserInterfaceState.xcuserstate has changed

--- a/Simoleon/Helpers/SubscribeButton.swift	Sat Jul 31 23:44:45 2021 +0100
+++ b/Simoleon/Helpers/SubscribeButton.swift	Sun Aug 01 10:30:10 2021 +0100
@@ -91,11 +91,10 @@
         formatter.locale = locale
         formatter.numberStyle = .currency
         
-        if let formattedAmount = formatter.string(from: amount as NSNumber) {
-            return formattedAmount
-        } else {
-            return "\(amount)\(locale.currencySymbol!)"
-        }
+        // It won't fail. Check unit test
+        let formattedAmount = formatter.string(from: amount as NSNumber)!
+        
+        return formattedAmount
     }
 }
 

--- a/SimoleonTests/SimoleonTests.swift	Sat Jul 31 23:44:45 2021 +0100
+++ b/SimoleonTests/SimoleonTests.swift	Sun Aug 01 10:30:10 2021 +0100
@@ -22,6 +22,40 @@
         // This is an example of a functional test case.
         // Use XCTAssert and related functions to verify your tests produce the correct results.
     }
+    
+    func testMakeConversion() {
+        // Given
+        let testAmounts = ["iawuh", Int(100), Float(3450.30), Double(12530.43435)] as [Any]
+        
+        for var amountToConvert in testAmounts {
+            // When
+            if let amountToConvert = amountToConvert as? Double {
+                // Then
+                XCTAssertEqual(amountToConvert, amountToConvert, "Amount to convert is not returning correctly")
+            } else {
+                // Then
+                amountToConvert = Int(0)
+                XCTAssertEqual(amountToConvert as! Int, 0, "Amount to convert must be 0")
+            }
+        }
+    }
+    
+    func testFormatCurrency() {
+        // Given
+        let availableIdentifiers = Locale.availableIdentifiers
+        let amount: NSDecimalNumber = 1000
+        
+        for identifier in availableIdentifiers {
+            let locale = Locale(identifier: identifier)
+            
+            let formatter = NumberFormatter()
+            formatter.locale = locale
+            formatter.numberStyle = .currency
+            
+            XCTAssertTrue((formatter.string(from: amount as NSNumber) != nil))
+        }
+        
+    }
 
     func testPerformanceExample() throws {
         // This is an example of a performance test case.