test(samples): add new samples

Author: kotlin-samples-pusher-bot

src/test/resources/test-compile-data/jvm/kotlin-web-site/properties/07dffd9b6f168601c7b90ede42e8771a.1.kt

@@ -1,10 +1,46 @@
+class Address {
+    var name: String = "Holmes, Sherlock"
+    var street: String = "Baker"
+    var city: String = "London"
+}
+
+interface ContactInfo {
+    val email: String
+}
+
+object Company {
+    var name: String = "Detective Inc."
+    val country: String = "UK"
+}
+
+class PersonContact : ContactInfo {
+    override val email: String = "sherlock@example.com"
+}
+
 //sampleStart
-class Rectangle(val width: Int, val height: Int) {
-    val area: Int // property type is optional since it can be inferred from the getter's return type
-        get() = this.width * this.height
+fun copyAddress(address: Address): Address {
+    val result = Address()
+    // Accesses properties in the result instance
+    result.name = address.name
+    result.street = address.street
+    result.city = address.city
+    return result
 }
-//sampleEnd
+
 fun main() {
-    val rectangle = Rectangle(3, 4)
-    println("Width=${rectangle.width}, height=${rectangle.height}, area=${rectangle.area}")
-}
+    val sherlockAddress = Address()
+    val copy = copyAddress(sherlockAddress)
+    // Accesses properties in the copy instance
+    println("Copied address: ${copy.name}, ${copy.street}, ${copy.city}")
+    // Copied address: Holmes, Sherlock, Baker, London
+
+    // Accesses properties in the Company object
+    println("Company: ${Company.name} in ${Company.country}")
+    // Company: Detective Inc. in UK
+    
+    val contact = PersonContact()
+    // Access properties in the contact instance
+    println("Email: ${contact.email}")
+    // Email: sherlock@email.com
+}
+//sampleEnd

src/test/resources/test-compile-data/jvm/kotlin-web-site/properties/07dffd9b6f168601c7b90ede42e8771a.2.kt

@@ -0,0 +1,10 @@
+//sampleStart
+class Rectangle(val width: Int, val height: Int) {
+    val area: Int
+        get() = this.width * this.height
+}
+//sampleEnd
+fun main() {
+    val rectangle = Rectangle(3, 4)
+    println("Width=${rectangle.width}, height=${rectangle.height}, area=${rectangle.area}")
+}

src/test/resources/test-compile-data/jvm/kotlin-web-site/properties/07dffd9b6f168601c7b90ede42e8771a.3.kt

@@ -0,0 +1,19 @@
+class Point(var x: Int, var y: Int) {
+    var coordinates: String
+        get() = "$x,$y"
+        set(value) {
+            val parts = value.split(",")
+            x = parts[0].toInt()
+            y = parts[1].toInt()
+        }
+}
+
+fun main() {
+    val location = Point(1, 2)
+    println(location.coordinates) 
+    // 1,2
+
+    location.coordinates = "10,20"
+    println("${location.x}, ${location.y}") 
+    // 10, 20
+}

src/test/resources/test-compile-data/jvm/kotlin-web-site/properties/07dffd9b6f168601c7b90ede42e8771a.4.kt

@@ -0,0 +1,30 @@
+class BankAccount(initialBalance: Int) {
+    var balance: Int = initialBalance
+        // Only the class can modify the balance
+        private set 
+
+    fun deposit(amount: Int) {
+        if (amount > 0) balance += amount
+    }
+
+    fun withdraw(amount: Int) {
+        if (amount > 0 && amount <= balance) balance -= amount
+    }
+}
+
+fun main() {
+    val account = BankAccount(100)
+    println("Initial balance: ${account.balance}") 
+    // 100
+
+    account.deposit(50)
+    println("After deposit: ${account.balance}") 
+    // 150
+
+    account.withdraw(70)
+    println("After withdrawal: ${account.balance}") 
+    // 80
+
+    // account.balance = 1000  
+    // Error: cannot assign because setter is private
+}

src/test/resources/test-compile-data/jvm/kotlin-web-site/properties/07dffd9b6f168601c7b90ede42e8771a.5.kt

@@ -0,0 +1,16 @@
+class Scoreboard {
+    var score: Int = 0
+        set(value) {
+            field = value
+            // Adds logging when updating the value
+            println("Score updated to $field")
+        }
+}
+
+fun main() {
+    val board = Scoreboard()
+    board.score = 10  
+    // Score updated to 10
+    board.score = 20  
+    // Score updated to 20
+}

src/test/resources/test-compile-data/jvm/kotlin-web-site/properties/07dffd9b6f168601c7b90ede42e8771a.6.kt

@@ -0,0 +1,29 @@
+class ShoppingCart {
+    // Backing property
+    private val _items = mutableListOf<String>()
+
+    // Public read-only view
+    val items: List<String>
+        get() = _items
+
+    fun addItem(item: String) {
+        _items.add(item)
+    }
+
+    fun removeItem(item: String) {
+        _items.remove(item)
+    }
+}
+
+fun main() {
+    val cart = ShoppingCart()
+    cart.addItem("Apple")
+    cart.addItem("Banana")
+
+    println(cart.items) 
+    // [Apple, Banana]
+    
+    cart.removeItem("Apple")
+    println(cart.items) 
+    // [Banana]
+}

src/test/resources/test-compile-data/jvm/kotlin-web-site/properties/07dffd9b6f168601c7b90ede42e8771a.7.kt

@@ -0,0 +1,23 @@
+class Temperature {
+    // Backing property storing temperature in Celsius
+    private var _celsius: Double = 0.0
+
+    var celsius: Double
+        get() = _celsius
+        set(value) { _celsius = value }
+
+    var fahrenheit: Double
+        get() = _celsius * 9 / 5 + 32
+        set(value) { _celsius = (value - 32) * 5 / 9 }
+}
+
+fun main() {
+    val temp = Temperature()
+    temp.celsius = 25.0
+    println("${temp.celsius}°C = ${temp.fahrenheit}°F") 
+    // 25.0°C = 77.0°F
+
+    temp.fahrenheit = 212.0
+    println("${temp.celsius}°C = ${temp.fahrenheit}°F") 
+    // 100.0°C = 212.0°F
+}

src/test/resources/test-compile-data/jvm/kotlin-web-site/properties/07dffd9b6f168601c7b90ede42e8771a.8.kt

@@ -0,0 +1,22 @@
+class WeatherStation {
+    lateinit var latestReading: String
+
+    fun printReading() {
+        // Checks whether the property is initialized
+        if (this::latestReading.isInitialized) {
+            println("Latest reading: $latestReading")
+        } else {
+            println("No reading available")
+        }
+    }
+}
+
+fun main() {
+    val station = WeatherStation()
+
+    station.printReading()
+    // No reading available
+    station.latestReading = "22°C, sunny"
+    station.printReading()
+    // Latest reading: 22°C, sunny
+}