| /* |
| * 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.optimized; |
| |
| import com.google.gwt.junit.DoNotRunWith; |
| import com.google.gwt.junit.Platform; |
| import com.google.gwt.junit.client.GWTTestCase; |
| |
| import javaemul.internal.annotations.SpecializeMethod; |
| |
| /** |
| * Tests for {@link SpecializeMethod}. |
| */ |
| @DoNotRunWith(Platform.Devel) |
| public class SpecializationTest extends GWTTestCase { |
| |
| private static final String KEY = "key"; |
| private static final String VALUE = "value"; |
| private static final String MSG = "Shouldn't be called due to specialization"; |
| |
| static class TestImplChild<K, V> extends TestImpl<K, V> { |
| @Override |
| public void put(K k, V v) { |
| if (Math.random() > 0) { |
| return; |
| } |
| } |
| } |
| |
| static class TestImpl<K, V> { |
| @SpecializeMethod(params = {String.class, Object.class}, target = "putString") |
| public void put(K k, V v) { |
| if (k instanceof String) { |
| putString((String) k, v); // keeps putString from being pruned |
| } |
| throw new RuntimeException(MSG); |
| } |
| |
| private void putString(String k, V v) { |
| assertEquals(KEY, k); |
| assertEquals(VALUE, v); |
| } |
| } |
| |
| @Override |
| public String getModuleName() { |
| return "com.google.gwt.dev.jjs.CompilerSuiteOptimized"; |
| } |
| |
| public void testSpecialization() { |
| // Existence of a live subclass with an overriding method makes sure that the specializaion is |
| // applied in realistic scenarios. |
| TestImplChild<String, Object> dummy = new TestImplChild<>(); |
| dummy.put(KEY, VALUE); |
| |
| TestImpl<String, Object> succ = new TestImpl<>(); |
| try { |
| succ.put("key", VALUE); |
| } catch (Exception e) { |
| fail(e.getMessage()); |
| } |
| } |
| |
| public void testSpecializationFallback() { |
| TestImpl<Integer, Object> succ = new TestImpl<>(); |
| try { |
| succ.put(42, VALUE); |
| fail(); |
| } catch (Exception t) { |
| // swallow failure, we expect put() is called normally |
| assertEquals(MSG, t.getMessage()); |
| } |
| } |
| } |