add swiftUI code

2025-01-22 14:09:10 +08:00
parent 68e7b7347c
commit 8a99853829
2531 changed files with 486215 additions and 0 deletions
@@ -0,0 +1,28 @@
+import XCTest
+import GRDB
+
+class FoundationNSNullTests: GRDBTestCase {
+    
+    func testNSNullDatabaseValue() {
+        let dbValue = NSNull().databaseValue
+        XCTAssert(dbValue.isNull)
+    }
+    
+    func testNSNullFromDatabaseValue() {
+        // NSNull.fromDatabaseValue always returns nil
+        let dbValue = DatabaseValue.null
+        XCTAssertNil(NSNull.fromDatabaseValue(dbValue))
+    }
+    
+    func testNSNullFromDatabaseValueFailure() {
+        let databaseValue_Int64 = Int64(1).databaseValue
+        let databaseValue_Double = Double(100000.1).databaseValue
+        let databaseValue_String = "foo".databaseValue
+        let databaseValue_Blob = "bar".data(using: .utf8)!.databaseValue
+        XCTAssertNil(NSNull.fromDatabaseValue(databaseValue_Int64))
+        XCTAssertNil(NSNull.fromDatabaseValue(databaseValue_Double))
+        XCTAssertNil(NSNull.fromDatabaseValue(databaseValue_String))
+        XCTAssertNil(NSNull.fromDatabaseValue(databaseValue_Blob))
+    }
+    
+}