KT-20357: Add sample for arrayOf function in standard library

Related issue: KT-20357

Author: oscarArismendi

libraries/stdlib/jvm/builtins/Library.kt

@@ -30,13 +30,15 @@ public actual fun <reified T> arrayOfNulls(size: Int): Array<T?>
 
 /**
  * Returns an array containing the specified elements.
+ *
+ * @sample samples.collections.Arrays.Constructors.arrayOfSample
  */
 public actual inline fun <reified T> arrayOf(vararg elements: T): Array<T>
 
 /**
  * Returns an array containing the specified [Double] numbers.
  *
- * @sample samples.collections.Arrays.Constructors.doubleArrayOfSampl
+ * @sample samples.collections.Arrays.Constructors.doubleArrayOfSample
  */
 public actual fun doubleArrayOf(vararg elements: Double): DoubleArray
 

libraries/stdlib/samples/test/samples/collections/arrays.kt

@@ -535,6 +535,36 @@ class Arrays {
     }
 
     class Constructors {
+        @Sample
+        fun arrayOfSample() {
+            val emptyArray = arrayOf<Any>()
+            assertPrints(emptyArray.contentToString(), "[]")
+
+            val doubleArray = arrayOf(1.0, 2.5, 3.14)
+            assertPrints(doubleArray.contentToString(), "[1.0, 2.5, 3.14]")
+
+            val floatArray = arrayOf(1.0f, 2.5f, 3.14f)
+            assertPrints(floatArray.contentToString(), "[1.0, 2.5, 3.14]")
+
+            val longArray = arrayOf(1L, 2L, 3L)
+            assertPrints(longArray.contentToString(), "[1, 2, 3]")
+
+            val intArray = arrayOf(1, 2, 3)
+            assertPrints(intArray.contentToString(), "[1, 2, 3]")
+
+            val charArray = arrayOf('a', 'b', 'c')
+            assertPrints(charArray.contentToString(), "[a, b, c]")
+
+            val shortArray = arrayOf(1, 2, 3)
+            assertPrints(shortArray.contentToString(), "[1, 2, 3]")
+
+            val byteArray = arrayOf(1, 2, 3)
+            assertPrints(byteArray.contentToString(), "[1, 2, 3]")
+
+            val booleanArray = arrayOf(true, false, true)
+            assertPrints(booleanArray.contentToString(), "[true, false, true]")
+        }
+
         @Sample
         fun doubleArrayOfSample() {
             val emptyDoubleArray = doubleArrayOf()

libraries/stdlib/src/kotlin/Library.kt

@@ -28,6 +28,8 @@ public expect fun <reified T> arrayOfNulls(size: Int): Array<T?>
 
 /**
  * Returns an array containing the specified elements.
+ *
+ * @sample samples.collections.Arrays.Constructors.arrayOfSample
  */
 public expect inline fun <reified T> arrayOf(vararg elements: T): Array<T>