mcs/class/System/Test/System.Collections.Specialized/BasicOperationsTest.cs

   1 // created on 7/21/2001 at 2:36 PM\r
   2 //\r
   3 // Author: Martin Willemoes Hansen <mwh@sysrq.dk>\r
   4 // \r
   5 // (C) 2003 Martin Willemoes Hansen\r
   6 //\r
   7 \r
   8 using System;\r
   9 using System.Collections;\r
  10 using System.Collections.Specialized;\r
  11 using System.Text;\r
  12 \r
  13 using NUnit.Framework;\r
  14 \r
  15 namespace MonoTests.System.Collections.Specialized {\r
  16 \r
  17         [TestFixture]\r
  18         public class BasicOperationsTest : Assertion {\r
  19 \r
  20                 protected NameValueCollection nvc;\r
  21                 private static Random rnd;\r
  22 \r
  23                 [SetUp]\r
  24                 public void GetReady() \r
  25                 {\r
  26                         nvc = new NameValueCollection();\r
  27                         rnd=new Random();\r
  28                 }\r
  29 \r
  30                 private void SetDefaultData() \r
  31                 {\r
  32                         nvc.Clear();\r
  33                         nvc.Add("k1","this");\r
  34                         nvc.Add("k2","test");\r
  35                         nvc.Add("k3","is");\r
  36                         nvc.Add("k4","silly");\r
  37                 }\r
  38 \r
  39                 private static string FormatForPrinting (NameValueCollection nv)\r
  40                 {\r
  41                         if (nv==null) \r
  42                                 return null;\r
  43                         int max = nv.Count;\r
  44                         StringBuilder sb = new StringBuilder("-\t-Key-\t-Value-\n");\r
  45                         for (int i=0; i<max; i++){\r
  46                                 \r
  47                                 sb.Append("\t"+nv.GetKey(i)+"\t"+nv[i]+"\n");\r
  48                         }\r
  49                         return sb.ToString();\r
  50                 }\r
  51 \r
  52                 [Test]\r
  53                 public void AddRemoveClearSetGet() \r
  54                 {\r
  55                         nvc.Clear();\r
  56                         Assert(nvc.Count==0&& !nvc.HasKeys());\r
  57 \r
  58                         SetDefaultData();\r
  59                         Assert(nvc.Count==4);\r
  60                         Assert("Get operation returns wrong result.\n"+FormatForPrinting(nvc),(nvc.Get(0).Equals("this"))&&(nvc.Get("k1").Equals("this")));\r
  61 \r
  62 \r
  63                         nvc.Add("k2","programmer");\r
  64                         Assert(nvc["k2"].Equals("test,programmer"));\r
  65 \r
  66                         nvc["k2"]="project";\r
  67                         nvc.Add("k2","project");\r
  68                         Assert(nvc.Count==4);\r
  69                         Assert("Wrong effect of add(samekey,samevalue)\n"+FormatForPrinting(nvc), nvc["k2"].Equals("project,project"));\r
  70                         // TODO: add Remove test\r
  71                         nvc.Remove("k4");\r
  72                         Assert("wrong nvc.Count="+nvc.Count,nvc.Count==3);\r
  73                         Assert(nvc["k4"]==null);\r
  74                         \r
  75                         NameValueCollection nvc1 = new NameValueCollection();\r
  76                         nvc1["k1"]="these";\r
  77                         nvc1["k5"]="!";\r
  78                         nvc.Add(nvc1);\r
  79                         Assert(FormatForPrinting(nvc)+"Count is wrong after Add(nvc1) Count="+nvc.Count,nvc.Count==4);\r
  80                         Assert("Values are wrong after Add(nvc1)",(nvc["k1"].Equals("this,these"))&&(nvc["k5"].Equals("!")));\r
  81                         \r
  82                         nvc.Set("k3","accomplished");\r
  83                         Assert("Wrong result of Set operation",nvc["k3"].Equals("accomplished"));\r
  84                         \r
  85                 }\r
  86                 \r
  87                 [Test]\r
  88                 public void GetKeyGetValues()\r
  89                 {\r
  90                         SetDefaultData();\r
  91                         Assert(nvc.GetKey(0).Equals("k1"));\r
  92                         string[] values = nvc.GetValues(0);\r
  93                         Assert(values[0].Equals("this"));\r
  94                         \r
  95                 }\r
  96                 \r
  97                 [Test]\r
  98                 public void CopyTo() {\r
  99                         SetDefaultData();\r
 100                         string[] entries=new string[nvc.Count];\r
 101                         nvc.CopyTo(entries,0);\r
 102                         //Message(FormatForPrinting(nvc));\r
 103                         //Assert("Not an entry.",entries[0] is DictionaryEntry);\r
 104                 }\r
 105 \r
 106                 [Test]\r
 107                 public void UnderHeavyLoad() {\r
 108                         \r
 109                         //TODO: add memory and time measurement\r
 110                         \r
 111                         nvc.Clear();\r
 112                         int max=10000;\r
 113                         String[] cache=new String[max*2];\r
 114                         int n=0;\r
 115 \r
 116                         for (int i=0;i<max;i++) {\r
 117                                 int id=rnd.Next()&0xFFFF;\r
 118                                 String key=""+id+"-key-"+id;\r
 119                                 String val="value-"+id;\r
 120                                 if (nvc[key]==null) {\r
 121                                         nvc[key]=val;\r
 122                                         cache[n]=key;\r
 123                                         cache[n+max]=val;\r
 124                                         n++;\r
 125                                 }\r
 126                         }\r
 127 \r
 128                         Assert(nvc.Count==n);\r
 129 \r
 130                         for (int i=0;i<n;i++) {\r
 131                                 String key=cache[i];\r
 132                                 String val=nvc[key] as String;\r
 133                                 String err="nvc[\""+key+"\"]=\""+val+\r
 134                                       "\", expected \""+cache[i+max]+"\"";\r
 135                                 Assert(err,val!=null && val.Equals(cache[i+max]));\r
 136                         }\r
 137 \r
 138                         int r1=(n/3);\r
 139                         int r2=r1+(n/5);\r
 140 \r
 141                         for (int i=r1;i<r2;i++) {\r
 142                                 nvc.Remove(cache[i]);\r
 143                         }\r
 144 \r
 145 \r
 146                         for (int i=0;i<n;i++) {\r
 147                                 if (i>=r1 && i<r2) {\r
 148                                         Assert(nvc[cache[i]]==null);\r
 149                                 } else {\r
 150                                         String key=cache[i];\r
 151                                         String val=nvc[key] as String;\r
 152                                         String err="ht[\""+key+"\"]=\""+val+\r
 153                                               "\", expected \""+cache[i+max]+"\"";\r
 154                                         Assert(err,val!=null && val.Equals(cache[i+max]));\r
 155                                 }\r
 156                         }\r
 157 \r
 158                 }\r
 159 \r
 160         }\r
 161 }\r
 162 \r