[UPDATE] Refine test app with models too

Author: hossain-khan

app/build.gradle.kts

@@ -5,11 +5,15 @@ plugins {
 
     // Apply the Application plugin to add support for building an executable JVM application.
     application
+
+    kotlin("plugin.serialization") version "1.9.23"
 }
 
 dependencies {
     // Project "app" depends on project "lib"
     implementation(project(":lib"))
+
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.3")
 }
 
 application {

app/src/main/kotlin/App.kt

@@ -2,9 +2,11 @@ package org.json5.app
 
 import dev.hossain.json5kt.JSON5
 
+/**
+ * Main application entry point for testing JSON5 parsing and serialization.
+ */
 fun main() {
     val json5files = listOf(
-        "empty-json.json5",
         "simple-object.json5",
         "array-example.json5",
         "numeric-formats.json5",
@@ -32,4 +34,29 @@ fun main() {
         }
         println("\n===============================\n\n")
     }
+
+    // Test serialization and deserialization of Employee model
+    testEmployeeSerialization()
 }
+
+
+fun testEmployeeSerialization() {
+    val fileName = "employee-example.json5"
+    val resourceStream = object {}.javaClass.getResourceAsStream("/$fileName")
+    if (resourceStream != null) {
+        val content = resourceStream.bufferedReader().use { it.readText() }
+        println("\n=== Employee Serialization/Deserialization Test ===")
+        println("Original JSON5:\n$content")
+        try {
+            val employee: Employee = JSON5.decodeFromString(Employee.serializer(), content)
+            println("\nDeserialized Employee object: $employee")
+            val serialized: String = JSON5.encodeToString(Employee.serializer(), employee)
+            println("\nSerialized back to JSON5:\n$serialized")
+        } catch (e: Exception) {
+            println("\n⚠️ Error during Employee serialization/deserialization: ${e.message}")
+        }
+        println("\n===============================================\n")
+    } else {
+        println("⚠️ Error: Could not find resource: $fileName")
+    }
+}

app/src/main/kotlin/TestModels.kt

@@ -0,0 +1,27 @@
+package org.json5.app
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class Address(
+    val street: String,
+    val city: String,
+    val state: String,
+    val zip: String
+)
+
+@Serializable
+data class Contact(
+    val email: String,
+    val phone: String? = null
+)
+
+@Serializable
+data class Employee(
+    val id: Int,
+    val name: String,
+    val position: String,
+    val address: Address,
+    val contact: Contact,
+    val isActive: Boolean = true
+)

app/src/main/resources/employee-example.json5

@@ -0,0 +1,18 @@
+// Example Employee data in JSON5 format
+{
+  id: 101,
+  name: 'Jane Doe',
+  position: 'Software Engineer',
+  address: {
+    street: '123 Main St',
+    city: 'Springfield',
+    state: 'IL',
+    zip: '62704',
+  },
+  contact: {
+    email: '[email protected]',
+    phone: '+1-555-1234',
+  },
+  isActive: true, // Optional, defaults to true
+}
+