tests added

compiler/testData/codegen/boxWithStdlib/boxingOptimization/progressions.kt

@@ -0,0 +1,28 @@
+
+import kotlin.test.assertEquals
+
+fun box() : String {
+
+    val result1 = (1..100).count { x -> x % 2 == 0 }
+    val result2 = (1..100).filter { x -> x % 2 == 0 }.size()
+    assertEquals(result1, 50)
+    assertEquals(result2, 50)
+
+    val result3 = (1..100).map { x -> 2 * x }.count { x -> x % 2 == 0 }
+    val result4 = (1..100).map { x -> 2 * x }.filter { x -> x % 2 == 0 }.size()
+    assertEquals(result3, 100)
+    assertEquals(result4, 100)
+
+    val result5 = (1L..100L).count { x -> x % 2 == 0L }
+    val result6 = (1L..100L).filter { x -> x % 2 == 0L }.size()
+    assertEquals(result5, 50)
+    assertEquals(result6, 50)
+
+    val result7 = (1L..100L).map { x -> 2 * x }.count { x -> x % 2 == 0L }
+    val result8 = (1L..100L).map { x -> 2 * x }.filter { x -> x % 2 == 0L }.size()
+    assertEquals(result7, 100)
+    assertEquals(result8, 100)
+
+    return "OK"
+}
+