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 +1,47 @@
+import XCTest
+import GRDB
+
+class FoundationNSDataTests: GRDBTestCase {
+    
+    func testNSDataDatabaseRoundTrip() throws {
+        let dbQueue = try makeDatabaseQueue()
+        func roundTrip(_ value: NSData) throws -> Bool {
+            guard let back = try dbQueue.inDatabase({ try NSData.fetchOne($0, sql: "SELECT ?", arguments: [value]) }) else {
+                XCTFail()
+                return false
+            }
+            return back == value
+        }
+        
+        XCTAssertTrue(try roundTrip(NSData(data: "bar".data(using: .utf8)!)))
+        XCTAssertTrue(try roundTrip(NSData()))
+    }
+    
+    func testNSDataDatabaseValueRoundTrip() {
+        
+        func roundTrip(_ value: NSData) -> Bool
+        {
+            let dbValue = value.databaseValue
+            guard let back = NSData.fromDatabaseValue(dbValue) else
+            {
+                XCTFail("Failed to convert from DatabaseValue to NSData")
+                return false
+            }
+            return back == value
+        }
+        
+        XCTAssertTrue(roundTrip(NSData(data: "bar".data(using: .utf8)!)))
+        XCTAssertTrue(roundTrip(NSData()))
+    }
+    
+    func testNSDataFromDatabaseValueFailure() {
+        let databaseValue_Null = DatabaseValue.null
+        let databaseValue_Int64 = Int64(1).databaseValue
+        let databaseValue_Double = Double(100000.1).databaseValue
+        let databaseValue_String = "foo".databaseValue
+        XCTAssertNil(NSData.fromDatabaseValue(databaseValue_Null))
+        XCTAssertNil(NSData.fromDatabaseValue(databaseValue_Int64))
+        XCTAssertNil(NSData.fromDatabaseValue(databaseValue_Double))
+        XCTAssertEqual(NSData.fromDatabaseValue(databaseValue_String)! as Data, "foo".data(using: .utf8))
+    }
+}