import Testing

@testable import SJavaScriptCore

@Test func isUndefined() async throws {

let context = JSContext()

let result = try context.evaluate("undefined")

#expect(result.isUndefined)

#expect(!result.isNull)

#expect(!result.isBool)

#expect(!result.isNumber)

#expect(!result.isString)

#expect(try result.toString() == "undefined")

}

@Test func isNull() async throws {

let context = JSContext()

let result = try context.evaluate("null")

#expect(!result.isUndefined)

#expect(result.isNull)

#expect(!result.isBool)

#expect(!result.isNumber)

#expect(!result.isString)

#expect(try result.toString() == "null")

}

@Test func isBool() async throws {

let context = JSContext()

let result = try context.evaluate("true")

#expect(!result.isUndefined)

#expect(!result.isNull)

#expect(result.isBool)

#expect(!result.isNumber)

#expect(!result.isString)

#expect(try result.toString() == "true")

#expect(result.toBool() == true)

}

@Test func isNumber() async throws {

let context = JSContext()

let result = try context.evaluate("3.14")

#expect(!result.isUndefined)

#expect(!result.isNull)

#expect(!result.isBool)

#expect(result.isNumber)

#expect(!result.isString)

#expect(try result.toString() == "3.14")

#expect(try result.toDouble() == 3.14)

}

@Test func isString() async throws {

let context = JSContext()

let result = try context.evaluate("'success'")

#expect(!result.isUndefined)

#expect(!result.isNull)

#expect(!result.isBool)

#expect(!result.isNumber)

#expect(result.isString)

#expect(try result.toString() == "success")

}

@Test func toInt() async throws {

let context = JSContext()

let result = try context.evaluate("40 + 2")

#expect(try result.toInt() == 42)

}

@Test func toString() async throws {

let context = JSContext()

let result = try context.evaluate("40 + 2")

#expect(try result.toString() == "42")

}

@Test func property() async throws {

let context = JSContext()

let result = try context.evaluate("""

(function(){

return { property: 'test' }

})()

""")

#expect(try result["property"]?.toString() == "test")

}