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import XCTest
@testable import JavaScriptKit
final class ThreadLocalTests: XCTestCase {
class MyHeapObject {}
struct MyStruct {
var object: MyHeapObject
}
func testLeak() throws {
struct Check {
static let value = ThreadLocal<MyHeapObject>()
static let value2 = ThreadLocal<MyStruct>(boxing: ())
}
weak var weakObject: MyHeapObject?
do {
let object = MyHeapObject()
weakObject = object
Check.value.wrappedValue = object
XCTAssertNotNil(Check.value.wrappedValue)
XCTAssertTrue(Check.value.wrappedValue === object)
Check.value.wrappedValue = nil
}
XCTAssertNil(weakObject)
weak var weakObject2: MyHeapObject?
do {
let object = MyHeapObject()
weakObject2 = object
Check.value2.wrappedValue = MyStruct(object: object)
XCTAssertNotNil(Check.value2.wrappedValue)
XCTAssertTrue(Check.value2.wrappedValue!.object === object)
Check.value2.wrappedValue = nil
}
XCTAssertNil(weakObject2)
}
func testLazyThreadLocal() throws {
struct Check {
static let value = LazyThreadLocal(initialize: { MyHeapObject() })
}
let object1 = Check.value.wrappedValue
let object2 = Check.value.wrappedValue
XCTAssertTrue(object1 === object2)
}
}