Move blackBoxFile() testData to box/ directory

Delete all test methods (and empty test classes), since they'll be
auto-generated

compiler/testData/codegen/patternMatching/callProperty.kt

@@ -1,12 +0,0 @@
-class C(val p: Boolean) { }
-
-fun box(): String {
-  val c = C(true)
-
-  // Commented for KT-621
-  // return when(c) {
-  //  .p => "OK"
-  //  else => "fail"
-  // }
-  return if (c.p) "OK" else "fail"
-}

compiler/testData/codegen/patternMatching/is.kt

@@ -1,11 +0,0 @@
-fun typeName(a: Any?) : String {
-    return when(a) {
-        is java.util.ArrayList<*> -> "array list"
-        else -> "no idea"
-    }
-}
-
-fun box() : String {
-    if(typeName(java.util.ArrayList<Int> ()) != "array list") return "array list failed"
-    return "OK"
-}

compiler/testData/codegen/patternMatching/kt2466.kt

@@ -1,9 +0,0 @@
-fun foo(b: Boolean) =
-    when (b) {
-        false -> 0
-        true -> 1
-        else -> 2
-    }
-
-fun box(): String = if (foo(false) == 0 && foo(true) == 1) "OK" else "Fail"
-

compiler/testData/codegen/patternMatching/longInRange.kt

@@ -1,9 +0,0 @@
-class LongR {
-  fun contains(l : Long): Boolean = l == 5.toLong()
-}
-
-fun box(): String {
-  if (5 !in LongR()) return "fail 1"
-  if (6 in LongR()) return "fail 2"
-  return "OK"
-}

compiler/testData/codegen/patternMatching/matchNotNullAgainstNullable.kt

@@ -1,7 +0,0 @@
-fun foo(i: Int, j: Int?): String =
-    when (i) {
-        j -> "OK"
-        else -> "Fail"
-    }
-
-fun box(): String = foo(0, 0)

compiler/testData/codegen/patternMatching/nullableWhen.kt

@@ -1,13 +0,0 @@
-// KT-2148
-
-
-fun f(p: Int?): Int {
-    return when(p) {
-        null -> 3
-        else -> p!!
-    }
-}
-
-fun box(): String {
-    return if (f(null) == 3) "OK" else "fail"
-}

compiler/testData/codegen/patternMatching/range.kt

@@ -1,29 +0,0 @@
-fun isDigit(a: Int) : String {
-    val aa = java.util.ArrayList<Int> ()
-    aa.add(239)
-
-    return when(a) {
-      in aa -> "array list"
-      in 0..9 -> "digit"
-     !in 0..100 -> "not small"
-      else -> "something"
-    }
-}
-
-fun assertDigit(i: Int, expected: String): String {
-  val result = isDigit(i)
-  return if (result == expected) "" else "fail: isDigit($i) = \"$result\""
-}
-
-fun box(): String {
-  val result =
-  assertDigit(239, "array list") +
-  assertDigit(0, "digit") +
-  assertDigit(9, "digit") +
-  assertDigit(5, "digit") +
-  assertDigit(19, "something") +
-  assertDigit(190, "not small")
-
-  if (result == "") return "OK"
-  return result
-}

compiler/testData/codegen/patternMatching/whenArgumentIsEvaluatedOnlyOnce.kt

@@ -1,13 +0,0 @@
-var x = 0
-fun inc(): Int {
-    x++
-    return 0
-}
-fun box(): String {
-  val al = java.util.ArrayList<Int>()
-  when (inc()) {
-      in al -> return "fail 1"
-      else -> {}
-  }
-  return if (x == 1) "OK" else "fail 2"
-}