DataLiteCore swift package

Tests/DataLiteCoreTests/Extensions/DateTests.swift

@@ -0,0 +1,32 @@
+import Testing
+import Foundation
+import DataLiteCore
+
+struct DateSQLiteRawRepresentableTests {
+    @Test func testDateToSQLiteRawValue() {
+        let date = Date(timeIntervalSince1970: 1609459200)
+        let formatter = ISO8601DateFormatter()
+        let dateString = formatter.string(from: date)
+        
+        #expect(date.sqliteRawValue == .text(dateString))
+    }
+    
+    @Test func testSQLiteRawValueToDate() {
+        let date = Date(timeIntervalSince1970: 1609459200)
+        let formatter = ISO8601DateFormatter()
+        let dateString = formatter.string(from: date)
+        
+        let rawText = SQLiteRawValue.text(dateString)
+        #expect(Date(rawText) == date)
+        
+        let rawInt = SQLiteRawValue.int(1609459200)
+        #expect(Date(rawInt) == date)
+        
+        let rawReal = SQLiteRawValue.real(1609459200)
+        #expect(Date(rawReal) == date)
+        
+        #expect(Date(.blob(Data([0x01, 0x02, 0x03]))) == nil)
+        #expect(Date(.null) == nil)
+        #expect(Date(.text("Invalid date format")) == nil)
+    }
+}