translator: fix IntArray.copyOfRange, add tests for IntArray extensions

kotstd/include/IntArray.kt

@@ -38,7 +38,7 @@ class IntArray(var size: Int) {
 
 }
 
-public fun IntArray.copyOf(newSize: Int): IntArray {
+fun IntArray.copyOf(newSize: Int): IntArray {
     val newInstance = IntArray(newSize)
     var index = 0
     val end = if (newSize > this.size) this.size else newSize
@@ -56,10 +56,10 @@ public fun IntArray.copyOf(newSize: Int): IntArray {
     return newInstance
 }
 
-public fun IntArray.copyOfRange(fromIndex: Int, toIndex: Int): IntArray {
+fun IntArray.copyOfRange(fromIndex: Int, toIndex: Int): IntArray {
-    val newInstance = IntArray(toIndex - fromIndex + 1)
+    val newInstance = IntArray(toIndex - fromIndex)
     var index = fromIndex
-    while (index <= toIndex) {
+    while (index < toIndex) {
         val value = this.get(index)
         newInstance.set(index - fromIndex, value)
         index = index + 1
@@ -68,14 +68,14 @@ public fun IntArray.copyOfRange(fromIndex: Int, toIndex: Int): IntArray {
     return newInstance
 }
 
-public operator fun IntArray.plus(element: Int): IntArray {
+operator fun IntArray.plus(element: Int): IntArray {
     val index = size
     val result = this.copyOf(index + 1)
     result[index] = element
     return result
 }
 
-public operator fun IntArray.plus(elements: IntArray): IntArray {
+operator fun IntArray.plus(elements: IntArray): IntArray {
     val thisSize = size
     val arraySize = elements.size
     val resultSize = thisSize + arraySize

translator/src/test/kotlin/tests/input/array_extensions_1.txt

@@ -0,0 +1,2 @@
+array_extensions_1_copyOf() == 22
+array_extensions_1_copyOfRange() == 779

translator/src/test/kotlin/tests/kotlin/array_extensions_1.kt

@@ -0,0 +1,33 @@
+fun IntArray.print() {
+    var index = 0
+    while (index < size) {
+        println(get(index))
+        index++
+    }
+    println(1111111)
+}
+
+
+fun array_extensions_1_copyOf(): Int {
+    val array = IntArray(3)
+    array[0] = 1
+    array[1] = 20
+    array[2] = 333
+    val minimize = array.copyOf(2)
+    return minimize[1] + minimize.size
+}
+
+fun array_extensions_1_copyOfRange(): Int {
+    val array = IntArray(7)
+    array[0] = 1
+    array[1] = 20
+    array[2] = 333
+    array[3] = 444
+    array[4] = 555
+    array[5] = 666
+    array[6] = 777
+
+    val minimize = array.copyOfRange(2, 4)
+    val ans = minimize[0] + minimize[1] + minimize.size
+    return ans
+}