| /* |
| * Copyright 2014 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.dev.jjs.test; |
| |
| import com.google.gwt.junit.DoNotRunWith; |
| import com.google.gwt.junit.Platform; |
| import com.google.gwt.junit.client.GWTTestCase; |
| |
| import javaemul.internal.annotations.DoNotInline; |
| import javaemul.internal.annotations.HasNoSideEffects; |
| |
| /** |
| * Tests for {@link HasNoSideEffects}. |
| */ |
| @DoNotRunWith(Platform.Devel) |
| public class HasNoSideEffectsTest extends GWTTestCase { |
| |
| @Override |
| public String getModuleName() { |
| return "com.google.gwt.dev.jjs.CompilerSuite"; |
| } |
| |
| @DoNotInline |
| private static void execute() { |
| throw new RuntimeException("I lied, I have a side effect but compiler should have trusted me!"); |
| } |
| |
| @HasNoSideEffects |
| private static boolean sideEffectFree() { |
| // @HasNoSideEffects should propagate to next call otherwise the exception will be thrown. |
| execute(); |
| return true; |
| } |
| |
| // Carefully crafted to test that we propagate 'side effect' data while inlining. |
| public void testMethodRemoval() { |
| assertTrue(sideEffectFree()); |
| } |
| } |