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zeus
2025-01-22 16:22:33 +08:00
parent 09b9cec8ec
commit 738c373a77
2534 changed files with 0 additions and 486292 deletions
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iOS-SwiftUI-Code/GRDB.swift-6.29.3/Tests/GRDBTests/DatabaseValueTests.swift
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import XCTest
import GRDB
class DatabaseValueTests: GRDBTestCase {
func testDatabaseValueAsDatabaseValueConvertible() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
XCTAssertEqual(try DatabaseValue.fetchOne(db, sql: "SELECT 1")!.storage, DatabaseValue.Storage.int64(1))
XCTAssertEqual(try DatabaseValue.fetchOne(db, sql: "SELECT 1.0")!.storage, DatabaseValue.Storage.double(1))
XCTAssertEqual(try DatabaseValue.fetchOne(db, sql: "SELECT 'foo'")!.storage, DatabaseValue.Storage.string("foo"))
XCTAssertEqual(try DatabaseValue.fetchOne(db, sql: "SELECT x'53514C697465'")!.storage, DatabaseValue.Storage.blob("SQLite".data(using: .utf8)!))
XCTAssertTrue(try DatabaseValue.fetchOne(db, sql: "SELECT NULL")!.isNull)
}
}
func testDatabaseValueCanBeUsedAsStatementArgument() throws {
let dbQueue = try makeDatabaseQueue()
try dbQueue.inDatabase { db in
try db.execute(sql: "CREATE TABLE integers (integer INTEGER)")
try db.execute(sql: "INSERT INTO integers (integer) VALUES (1)")
let dbValue: DatabaseValue = 1.databaseValue
let count = try Int.fetchOne(db, sql: "SELECT COUNT(*) FROM integers WHERE integer = ?", arguments: [dbValue])!
XCTAssertEqual(count, 1)
}
}
func testDatabaseValueEquatable() {
let fooData = "foo".data(using: .utf8)!
let barData = "bar".data(using: .utf8)!
// Any integer up to 2^53 has an exact representation as a IEEE-754 double
let twoPower53 = Int64(1) << 53
XCTAssertEqual(DatabaseValue.null, DatabaseValue.null)
XCTAssertNotEqual(DatabaseValue.null, 1.databaseValue)
XCTAssertNotEqual(DatabaseValue.null, 1.0.databaseValue)
XCTAssertNotEqual(DatabaseValue.null, "foo".databaseValue)
XCTAssertNotEqual(DatabaseValue.null, fooData.databaseValue)
XCTAssertNotEqual(1.databaseValue, DatabaseValue.null)
XCTAssertEqual(1.databaseValue, 1.databaseValue)
XCTAssertNotEqual(1.databaseValue, 2.databaseValue)
XCTAssertEqual(1.databaseValue, 1.0.databaseValue)
XCTAssertNotEqual(1.databaseValue, 1.1.databaseValue)
XCTAssertNotEqual(1.databaseValue, 2.0.databaseValue)
XCTAssertEqual((twoPower53 - 1).databaseValue, Double(twoPower53 - 1).databaseValue)
XCTAssertEqual(twoPower53.databaseValue, Double(twoPower53).databaseValue)
XCTAssertNotEqual((twoPower53 + 1).databaseValue, Double(twoPower53 + 1).databaseValue)
XCTAssertEqual((Int64(1) << 54).databaseValue, Double(Int64(1) << 54).databaseValue)
XCTAssertNotEqual(Int64.max.databaseValue, Double(Int64.max).databaseValue)
XCTAssertNotEqual(1.databaseValue, "foo".databaseValue)
XCTAssertNotEqual(1.databaseValue, "1".databaseValue)
XCTAssertNotEqual(1.databaseValue, "1.0".databaseValue)
XCTAssertNotEqual(1.databaseValue, fooData.databaseValue)
XCTAssertNotEqual(1.0.databaseValue, DatabaseValue.null)
XCTAssertEqual(1.0.databaseValue, 1.databaseValue)
XCTAssertNotEqual(1.1.databaseValue, 1.databaseValue)
XCTAssertNotEqual(1.0.databaseValue, 2.databaseValue)
XCTAssertEqual(1.0.databaseValue, 1.0.databaseValue)
XCTAssertNotEqual(1.0.databaseValue, 2.0.databaseValue)
XCTAssertEqual(Double(twoPower53 - 1).databaseValue, (twoPower53 - 1).databaseValue)
XCTAssertEqual(Double(twoPower53).databaseValue, twoPower53.databaseValue)
XCTAssertNotEqual(Double(twoPower53 + 1).databaseValue, (twoPower53 + 1).databaseValue)
XCTAssertEqual(Double(Int64(1) << 54).databaseValue, (Int64(1) << 54).databaseValue)
XCTAssertNotEqual(Double(Int64.max).databaseValue, Int64.max.databaseValue)
XCTAssertNotEqual(1.0.databaseValue, "foo".databaseValue)
XCTAssertNotEqual(1.0.databaseValue, "1".databaseValue)
XCTAssertNotEqual(1.0.databaseValue, "1.0".databaseValue)
XCTAssertNotEqual(1.0.databaseValue, fooData.databaseValue)
XCTAssertNotEqual("foo".databaseValue, DatabaseValue.null)
XCTAssertNotEqual("foo".databaseValue, 1.databaseValue)
XCTAssertNotEqual("foo".databaseValue, 1.0.databaseValue)
XCTAssertEqual("foo".databaseValue, "foo".databaseValue)
XCTAssertNotEqual("foo".databaseValue, "bar".databaseValue)
XCTAssertNotEqual("foo".databaseValue, fooData.databaseValue)
XCTAssertNotEqual(fooData.databaseValue, DatabaseValue.null)
XCTAssertNotEqual(fooData.databaseValue, 1.databaseValue)
XCTAssertNotEqual(fooData.databaseValue, 1.0.databaseValue)
XCTAssertNotEqual(fooData.databaseValue, "foo".databaseValue)
XCTAssertEqual(fooData.databaseValue, fooData.databaseValue)
XCTAssertNotEqual(fooData.databaseValue, barData.databaseValue)
}
func testDatabaseValueHash() {
// Equal => Same hash
let intValue = 1.databaseValue
let doubleValue = 1.0.databaseValue
XCTAssertEqual(intValue, doubleValue)
XCTAssertEqual(intValue.hashValue, doubleValue.hashValue)
let string1 = "foo".databaseValue
let string2 = "foo".databaseValue
XCTAssertEqual(string1, string2)
XCTAssertEqual(string1.hashValue, string2.hashValue)
let fooData1 = "foo".data(using: .utf8)!.databaseValue
let fooData2 = "foo".data(using: .utf8)!.databaseValue
XCTAssertEqual(fooData1, fooData2)
XCTAssertEqual(fooData1.hashValue, fooData2.hashValue)
}
func testDatabaseValueDescription() {
let databaseValue_Null = DatabaseValue.null
let databaseValue_Int64 = Int64(1).databaseValue
let databaseValue_Double = Double(100000.1).databaseValue
let databaseValue_String = "foo\n\t\r".databaseValue
let databaseValue_Data = "foo".data(using: .utf8)!.databaseValue
XCTAssertEqual(databaseValue_Null.description, "NULL")
XCTAssertEqual(databaseValue_Int64.description, "1")
XCTAssertEqual(databaseValue_Double.description, "100000.1")
XCTAssertEqual(databaseValue_String.description, "\"foo\\n\\t\\r\"")
XCTAssertEqual(databaseValue_Data.description, "Data(3 bytes)") // may be fragile
}
}