Merge pull request #796 from husam-e/husam/variable-name

feat(kproperty): How to get a property's name in Kotlin

Author: davidmartinezbarua

core-kotlin-modules/core-kotlin-8/src/test/kotlin/com/baeldung/propertyname/PropertyNameUnitTest.kt

@@ -0,0 +1,29 @@
+package com.baeldung.propertyname
+
+import org.junit.jupiter.api.Assertions
+import org.junit.jupiter.api.Test
+
+class PropertyNameUnitTest {
+    
+    @Test
+    fun `can get property name of a class's property statically`() {
+        class MyClass(val age: Int, var name: String, val next: MyClass?)
+
+        Assertions.assertEquals("next", MyClass::next.name)
+    }
+
+    @Test
+    fun `can get property name of an instance's property`() {
+        class MyClass(val age: Int, var name: String, val next: MyClass?)
+        val instance = MyClass(5, "test", null)
+
+        Assertions.assertEquals("next", instance::next.name)
+    }
+
+    @Test
+    fun `can get the name of a function`() {
+        fun isValid(num: Int, name: String): Boolean = num > 0 && name.isNotBlank()
+
+        Assertions.assertEquals("isValid", ::isValid.name)
+    }
+}