KT-5044 implement missing Range#contains tests and move it to separate package

compiler/testData/codegen/box/ranges/contains/inOptimizableLongRange.kt

@@ -0,0 +1,26 @@
+// WITH_RUNTIME
+
+fun check(x: Long, left: Long, right: Long): Boolean {
+    val result = x in left..right
+    assert(result == checkUnoptimized(x, left..right))
+    return result
+}
+
+fun checkUnoptimized(x: Long, range: ClosedRange<Long>): Boolean {
+    return x in range
+}
+
+fun box(): String {
+    assert(check(1L, 0L, 2L))
+    assert(!check(1L, -1L, 0L))
+    assert(!check(239L, 239L, 238L))
+    assert(check(239L, 238L, 239L))
+
+    assert(check(Long.MIN_VALUE, Long.MIN_VALUE, Long.MIN_VALUE))
+    assert(check(Long.MAX_VALUE, Long.MIN_VALUE, Long.MAX_VALUE))
+
+    var value = 0L
+    assert(++value in 1L..1L)
+    assert(++value !in 1L..1L)
+    return "OK"
+}