[CVW-046] Feat, CoreUtil테스트 모듈 생성 및 테스트 코드 작성

Author: J0onYEong

Projects/Utils/CoreUtil/Project.swift

@@ -18,6 +18,18 @@ let project = Project(
                 D.ThirdParty.AdvancedSwift,
             ]
         ),
+        
+        // Tests
+        .target(
+            name: "CoreUtilTests",
+            destinations: .iOS,
+            product: .unitTests,
+            bundleId: "com.choijunios.feature.coreutil.tests",
+            sources: ["Tests/**"],
+            dependencies: [
+                .target(name: "CoreUtil"),
+            ]
+        ),
     ]
 )
 

Projects/Utils/CoreUtil/Tests/CVNumberTests.swift

@@ -0,0 +1,68 @@
+//
+//  CVNumberTests.swift
+//  CoreUtil
+//
+//  Created by choijunios on 5/12/25.
+//
+
+import Testing
+@testable import CoreUtil
+
+@Suite("CVNumber테스트")
+struct CVNumberTests {
+    @Test("K/M/B간소화 표현 테스트")
+    func checkCompactExpression() {
+        // Given
+        let numbers: [CVNumber] = [
+            CVNumber(0.0000001),
+            CVNumber(0.0001000),
+            
+            CVNumber(1.0),
+            CVNumber(10.0),
+            CVNumber(100.0),
+            
+            CVNumber(1_234.0),
+            CVNumber(12_345.0),
+            CVNumber(123_456.0),
+            
+            CVNumber(1_234_567.0),
+            CVNumber(12_345_678.0),
+            CVNumber(123_456_789.0),
+            
+            CVNumber(1_234_567_890.0),
+            CVNumber(12_345_678_900.0),
+            CVNumber(123_456_789_000.0),
+        ]
+        
+        
+        // When
+        let results = numbers.map({ $0.formatCompactNumberWithSuffix() })
+        
+        
+        // Then
+        let expectedResults: [String] = [
+            "0.0000",
+            "0.0001",
+            "1.0000",
+            "10.000",
+            "100.00",
+            
+            "1.234K",
+            "12.34K",
+            "123.4K",
+            
+            "1.234M",
+            "12.34M",
+            "123.4M",
+            
+            "1.234B",
+            "12.34B",
+            "123.4B",
+        ]
+        results.enumerated().forEach { index, str in
+            print(str, expectedResults[index], terminator: " ")
+            print("")
+            #expect(str == expectedResults[index])
+        }
+    }
+}