val topName = "topSeal"
val topNameWu = "topSealWu"
private val topAge = 666

private fun gotIt() = true

fun funDoubleAge(age: Int): Int {
    return age * 2
}

class TestDemo {
    private val name = "seal"
    val age = 28

    private fun isMan(): Boolean {
        return true
    }
}

   
    @Test
    fun getPropertyValue() {
        val demo = TestDemo()
        val nameValue = demo.getPropertyValue("name")
        nameValue.should.be.equal("seal")
    }

    @Test
    fun changePropertyValue() {
        val demo = TestDemo()
        val originValue = demo.age
        demo.changePropertyValue("age", 100)
        val nowValue = demo.age
        originValue.should.not.equal(nowValue)
        nowValue.should.be.equal(100)
    }
    
    @Test
    fun changeValue() {
        val demo = TestDemo()
        demo::age.changeValue(demo, 100)
        demo.age.should.be.equal(100)
    }

    @Test
    fun packageLevelGetPropertyValueByName() {
        val topAge = ::topNameWu.packageLevelGetPropertyValueByName("topAge")
        topAge.should.be.equal(666)
    }

    @Test
    fun packageLevelInvokeMethodByName() {
        val methodResult = ::topName.packageLevelInvokeMethodByName("gotIt") as Boolean
        methodResult.should.be.`true`
    }