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 +1,55 @@
+import XCTest
+import GRDB
+
+class FoundationNSStringTests: GRDBTestCase {
+    
+    func testNSStringDatabaseRoundTrip() throws {
+        let dbQueue = try makeDatabaseQueue()
+        func roundTrip(_ value: NSString) throws -> Bool {
+            guard let back = try dbQueue.inDatabase({ try NSString.fetchOne($0, sql: "SELECT ?", arguments: [value]) }) else {
+                XCTFail()
+                return false
+            }
+            return back == value
+        }
+        
+        XCTAssertTrue(try roundTrip(NSString(string: "")))
+        XCTAssertTrue(try roundTrip(NSString(string: "foo")))
+        XCTAssertTrue(try roundTrip(NSString(string: "'fooéı👨👨🏿🇫🇷🇨🇮'")))
+    }
+    
+    func testNSStringDatabaseValueRoundTrip() {
+        
+        func roundTrip(_ value: NSString) -> Bool
+        {
+            let dbValue = value.databaseValue
+            guard let back = NSString.fromDatabaseValue(dbValue) else
+            {
+                XCTFail("Failed to convert from DatabaseValue to NSString")
+                return false
+            }
+            return back.isEqual(value)
+        }
+
+        XCTAssertTrue(roundTrip(NSString(string: "")))
+        XCTAssertTrue(roundTrip(NSString(string: "foo")))
+        XCTAssertTrue(roundTrip(NSString(string: "'fooéı👨👨🏿🇫🇷🇨🇮'")))
+    }
+    
+    func testNSStringFromStringDatabaseValueSuccess() {
+        let databaseValue_String = "foo".databaseValue
+        XCTAssertEqual(NSString.fromDatabaseValue(databaseValue_String), "foo")
+    }
+    
+    func testNSStringFromDatabaseValueFailure() {
+        let databaseValue_Null = DatabaseValue.null
+        let databaseValue_Int64 = Int64(1).databaseValue
+        let databaseValue_Double = Double(100000.1).databaseValue
+        let databaseValue_Blob = "bar".data(using: .utf8)!.databaseValue
+        XCTAssertNil(NSString.fromDatabaseValue(databaseValue_Null))
+        XCTAssertNil(NSString.fromDatabaseValue(databaseValue_Int64))
+        XCTAssertNil(NSString.fromDatabaseValue(databaseValue_Double))
+        XCTAssertEqual(NSString.fromDatabaseValue(databaseValue_Blob), "bar")
+    }
+    
+}