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      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.mkstubs.sourcer;
     18 
     19 
     20 import org.junit.After;
     21 import org.junit.Assert;
     22 import org.junit.Before;
     23 import org.junit.Test;
     24 import org.objectweb.asm.signature.SignatureReader;
     25 
     26 import java.util.ArrayList;
     27 
     28 /**
     29  *
     30  */
     31 public class SignatureSourcerTest {
     32 
     33     private SignatureSourcer mSourcer;
     34 
     35     @Before
     36     public void setUp() throws Exception {
     37         mSourcer = new SignatureSourcer();
     38     }
     39 
     40     @After
     41     public void tearDown() throws Exception {
     42     }
     43 
     44     @Test
     45     public void testReturnMapNoArgs() {
     46         SignatureReader reader = new SignatureReader(
     47                 "()Ljava/util/Map<Ljava/util/ArrayList<TT;>;Ljava/util/Map<Ljava/lang/String;Ljava/util/ArrayList<TU;>;>;>;");
     48         reader.accept(mSourcer);
     49         String result = mSourcer.getReturnType().toString();
     50 
     51         Assert.assertEquals(
     52                 "java.util.Map<java.util.ArrayList<T>, java.util.Map<java.lang.String, java.util.ArrayList<U>>>",
     53                 result);
     54     }
     55 
     56     @Test
     57     public void testReturnVoid() {
     58         SignatureReader reader = new SignatureReader(
     59                 "(Ljava/util/List<+Lorg/w3c/dom/css/Rect;>;)V");
     60         reader.accept(mSourcer);
     61         String result = mSourcer.getReturnType().toString();
     62 
     63         Assert.assertEquals(
     64                 "void",
     65                 result);
     66     }
     67 
     68     @Test
     69     public void testSimpleArg() {
     70         SignatureReader reader = new SignatureReader(
     71                 "(Ljava/util/List<+Lorg/w3c/dom/css/Rect;>;)V");
     72         reader.accept(mSourcer);
     73 
     74         ArrayList<SignatureSourcer> params = mSourcer.getParameters();
     75         Assert.assertNotNull(params);
     76 
     77         String[] array = toStringArray(params);
     78 
     79         Assert.assertArrayEquals(
     80                 new String[] { "java.util.List<? extends org.w3c.dom.css.Rect>" },
     81                 array);
     82     }
     83 
     84     @Test
     85     public void testFormalParameters1() {
     86         SignatureReader reader = new SignatureReader("<X:TT;Y:Ljava/lang/Object;>()V");
     87         reader.accept(mSourcer);
     88 
     89         Assert.assertTrue(mSourcer.hasFormalsContent());
     90 
     91         String result = mSourcer.formalsToString();
     92         Assert.assertEquals(
     93                 "<X extends T, Y extends java.lang.Object>",
     94                 result);
     95     }
     96 
     97     @Test
     98     public void testFormalParameters2() {
     99         SignatureReader reader = new SignatureReader("<T::Ljava/lang/Comparable<-TT;>;>(Ljava/util/List<TT;>;)V");
    100         reader.accept(mSourcer);
    101 
    102         Assert.assertTrue(mSourcer.hasFormalsContent());
    103 
    104         String result = mSourcer.formalsToString();
    105         Assert.assertEquals(
    106                 "<T extends java.lang.Comparable<? super T>>",
    107                 result);
    108     }
    109 
    110     @Test
    111     public void testManyArgs() {
    112         SignatureReader reader = new SignatureReader(
    113                 "<X:TT;Y:Ljava/lang/Object;>(Ljava/util/List<TT;>;Ljava/util/Map<TT;TU;>;Ljava/util/Map<TX;Ljava/util/Set<-TY;>;>;)V");
    114         reader.accept(mSourcer);
    115 
    116         Assert.assertTrue(mSourcer.hasFormalsContent());
    117         String formals = mSourcer.formalsToString();
    118         Assert.assertEquals(
    119                 "<X extends T, Y extends java.lang.Object>",
    120                 formals);
    121 
    122         String result = mSourcer.getReturnType().toString();
    123         Assert.assertEquals(
    124                 "void",
    125                 result);
    126 
    127         ArrayList<SignatureSourcer> params = mSourcer.getParameters();
    128         Assert.assertNotNull(params);
    129 
    130         String[] array = toStringArray(params);
    131 
    132         Assert.assertArrayEquals(
    133                 new String[] { "java.util.List<T>",
    134                                "java.util.Map<T, U>",
    135                                "java.util.Map<X, java.util.Set<? super Y>>" },
    136                 array);
    137     }
    138 
    139     private String[] toStringArray(ArrayList<?> params) {
    140         String[] array = new String[params.size()];
    141         for (int i = 0; i < params.size(); i++) {
    142             array[i] = params.get(i).toString();
    143         }
    144         return array;
    145     }
    146 }
    147