AdaptTest


1   package uk.co.jezuk.mango;
2   
3   import junit.framework.*;
4   
5   public class AdaptTest  extends TestCase
6   {
7     java.util.List   list;
8   
9     public AdaptTest(String   name) { super(name); }
10    public static Test suite() { return new TestSuite(AdaptTest.class); }
11  
12    protected void setUp()
13    {
14      list = new java.util.ArrayList  ();
15      for(int i = 0; i < 10; ++i)
16        list.add(new Integer  (i));
17    } // setUp
18  
19    public void test1()
20    {
21      System.out.println("test1");
22      Algorithms.forEach(list, Adapt.Method(System.out, "println"));
23    } // 
24  
25    public void test2()
26    {
27      try {
28        // should throw
29        Algorithms.forEach(list, Adapt.Method(System.out, "charles"));
30        fail();
31      } // try
32      catch(RuntimeException   e) {
33      } // RuntimeException
34    } // test2
35  
36    public void test3()
37    {
38      try {
39        // should throw
40        Algorithms.forEach(list, Adapt.Method(System.out, "close"));
41        fail();
42      } // try
43      catch(RuntimeException   e) {
44      } // RuntimeException
45    } // test3
46  
47    public void test4()
48    {
49      try {
50        // should throw
51        Algorithms.forEach(list, Adapt.Method(System.in, "bongo"));
52        fail();
53      } // try
54      catch(RuntimeException   e) {
55      } // RuntimeException
56    } // test4
57  
58    public void test5()
59    {
60      System.out.println("test5");
61      Algorithms.forEach(list, Adapt.Method(this, "staticMethod"));
62    } // test5
63  
64    public void test6()
65    {
66      System.out.println("test6");
67      Algorithms.forEach(list, Adapt.Method(this.getClass(), "staticMethod"));
68    } // test6
69  
70    class Something
71    {
72        Something(int i) { i_ = i; }
73        public void print() { System.out.println(i_); }
74        private int i_;
75    } // Something
76  
77    public void test7()
78    {
79      System.out.println("test7");
80      java.util.List   l = new java.util.ArrayList  ();
81      for(int i = 0; i < 10000; ++i)
82      l.add(new Something(i));
83  
84      Algorithms.forEach(l, Adapt.ArgumentMethod("print"));
85    } // test7
86  
87    public void test8()
88    {
89      UnaryFunction fn = Adapt.Compose(new AppendX(), new AppendX());
90      assertEquals("helloXX", fn.fn("hello"));
91    } // test8
92  
93    public void test9()
94    {
95      BinaryFunction fn = Adapt.Compose(new Concat(), new AppendX(), new AppendX());
96      assertEquals("helloXworldX", fn.fn("hello", "world"));
97    } // test9
98          
99    static public class Concat implements BinaryFunction
100   {
101     public Object   fn(Object   x, Object   y)
102     {
103       String   s1 = (String  )x;
104       String   s2 = (String  )y;
105       return s1+s2;
106     } // fn
107   } // Concat
108   
109 
110   static public class AppendX implements UnaryFunction
111   {
112     public Object   fn(Object   x)
113     {
114       String   s = (String  )x;
115       return s+'X';
116     } 
117   } // AppendX
118     
119 
120   static public void staticMethod(Object   o)
121   {
122     System.out.println(o);
123   } // staticMethod
124 } // AdaptTest
125
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