Move frog/tests/{leg,leg_only,frog_native} to tests/compiler/.

frog/tests/leg_only/if_test.dart

-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-int if1() {
-  if (true) {
-    return 499;
-  }
-  return 3;
-}
-
-int if2() {
-  if (true) {
-    return 499;
-  }
-}
-
-int if3() {
-  if (false) {
-    return 42;
-  } else {
-    if (true) {
-      return 499;
-    }
-    Expect.fail('unreachable');
-  }
-}
-
-int if4() {
-  if (true) {
-    return 499;
-  } else {
-    return 42;
-  }
-}
-
-int if5() {
-  if (true) {
-    if (false) return 42;
-  } else {
-  }
-  return 499;
-}
-
-int if6() {
-  if (true) {
-    if (false) return 42;
-  }
-  return 499;
-}
-
-void main() {
-  Expect.equals(499, if1());
-  Expect.equals(499, if2());
-  Expect.equals(499, if3());
-  Expect.equals(499, if4());
-  Expect.equals(499, if5());
-  Expect.equals(499, if6());
-}