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// created on 7/21/2001 at 2:36 PM
//
// Author: Martin Willemoes Hansen <mwh@sysrq.dk>
//
// (C) 2003 Martin Willemoes Hansen
//
using System;
using System.Collections;
using System.Collections.Specialized;
using System.Text;
using NUnit.Framework;
namespace MonoTests.System.Collections.Specialized {
[TestFixture]
public class BasicOperationsTest : Assertion {
protected NameValueCollection nvc;
private static Random rnd;
[SetUp]
public void GetReady()
{
nvc = new NameValueCollection();
rnd=new Random();
}
private void SetDefaultData()
{
nvc.Clear();
nvc.Add("k1","this");
nvc.Add("k2","test");
nvc.Add("k3","is");
nvc.Add("k4","silly");
}
private static string FormatForPrinting (NameValueCollection nv)
{
if (nv==null)
return null;
int max = nv.Count;
StringBuilder sb = new StringBuilder("-\t-Key-\t-Value-\n");
for (int i=0; i<max; i++){
sb.Append("\t"+nv.GetKey(i)+"\t"+nv[i]+"\n");
}
return sb.ToString();
}
[Test]
public void AddRemoveClearSetGet()
{
nvc.Clear();
Assert(nvc.Count==0&& !nvc.HasKeys());
SetDefaultData();
Assert(nvc.Count==4);
Assert("Get operation returns wrong result.\n"+FormatForPrinting(nvc),(nvc.Get(0).Equals("this"))&&(nvc.Get("k1").Equals("this")));
nvc.Add("k2","programmer");
Assert(nvc["k2"].Equals("test,programmer"));
nvc["k2"]="project";
nvc.Add("k2","project");
Assert(nvc.Count==4);
Assert("Wrong effect of add(samekey,samevalue)\n"+FormatForPrinting(nvc), nvc["k2"].Equals("project,project"));
// TODO: add Remove test
nvc.Remove("k4");
Assert("wrong nvc.Count="+nvc.Count,nvc.Count==3);
Assert(nvc["k4"]==null);
NameValueCollection nvc1 = new NameValueCollection();
nvc1["k1"]="these";
nvc1["k5"]="!";
nvc.Add(nvc1);
Assert(FormatForPrinting(nvc)+"Count is wrong after Add(nvc1) Count="+nvc.Count,nvc.Count==4);
Assert("Values are wrong after Add(nvc1)",(nvc["k1"].Equals("this,these"))&&(nvc["k5"].Equals("!")));
nvc.Set("k3","accomplished");
Assert("Wrong result of Set operation",nvc["k3"].Equals("accomplished"));
}
[Test]
public void GetKeyGetValues()
{
SetDefaultData();
Assert(nvc.GetKey(0).Equals("k1"));
string[] values = nvc.GetValues(0);
Assert(values[0].Equals("this"));
}
[Test]
public void CopyTo() {
SetDefaultData();
string[] entries=new string[nvc.Count];
nvc.CopyTo(entries,0);
//Message(FormatForPrinting(nvc));
//Assert("Not an entry.",entries[0] is DictionaryEntry);
}
[Test]
public void UnderHeavyLoad() {
//TODO: add memory and time measurement
nvc.Clear();
int max=10000;
String[] cache=new String[max*2];
int n=0;
for (int i=0;i<max;i++) {
int id=rnd.Next()&0xFFFF;
String key=""+id+"-key-"+id;
String val="value-"+id;
if (nvc[key]==null) {
nvc[key]=val;
cache[n]=key;
cache[n+max]=val;
n++;
}
}
Assert(nvc.Count==n);
for (int i=0;i<n;i++) {
String key=cache[i];
String val=nvc[key] as String;
String err="nvc[\""+key+"\"]=\""+val+
"\", expected \""+cache[i+max]+"\"";
Assert(err,val!=null && val.Equals(cache[i+max]));
}
int r1=(n/3);
int r2=r1+(n/5);
for (int i=r1;i<r2;i++) {
nvc.Remove(cache[i]);
}
for (int i=0;i<n;i++) {
if (i>=r1 && i<r2) {
Assert(nvc[cache[i]]==null);
} else {
String key=cache[i];
String val=nvc[key] as String;
String err="ht[\""+key+"\"]=\""+val+
"\", expected \""+cache[i+max]+"\"";
Assert(err,val!=null && val.Equals(cache[i+max]));
}
}
}
}
}
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