170 lines
3.7 KiB
C#
170 lines
3.7 KiB
C#
// created on 7/21/2001 at 2:36 PM
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//
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// Author: Martin Willemoes Hansen <mwh@sysrq.dk>
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//
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// (C) 2003 Martin Willemoes Hansen
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//
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using System;
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using System.Collections;
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using System.Collections.Specialized;
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using System.Text;
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using NUnit.Framework;
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namespace MonoTests.System.Collections.Specialized {
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[TestFixture]
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public class BasicOperationsTest {
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protected NameValueCollection nvc;
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private static Random rnd;
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[SetUp]
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public void GetReady()
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{
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nvc = new NameValueCollection();
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rnd=new Random();
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}
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private void SetDefaultData()
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{
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nvc.Clear();
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nvc.Add("k1","this");
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nvc.Add("k2","test");
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nvc.Add("k3","is");
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nvc.Add("k4","silly");
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}
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private static string FormatForPrinting (NameValueCollection nv)
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{
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if (nv==null)
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return null;
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int max = nv.Count;
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StringBuilder sb = new StringBuilder("-\t-Key-\t-Value-\n");
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for (int i=0; i<max; i++){
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sb.Append("\t"+nv.GetKey(i)+"\t"+nv[i]+"\n");
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}
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return sb.ToString();
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}
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[Test]
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public void AddRemoveClearSetGet()
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{
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nvc.Clear();
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Assert.AreEqual (0, nvc.Count);
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Assert.IsFalse(nvc.HasKeys());
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SetDefaultData();
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Assert.AreEqual(4, nvc.Count);
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Assert.IsTrue((nvc.Get(0).Equals("this"))&&(nvc.Get("k1").Equals("this")), "Get operation returns wrong result.\n"+FormatForPrinting(nvc));
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nvc.Add("k2","programmer");
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Assert.AreEqual("test,programmer", nvc["k2"]);
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nvc["k2"]="project";
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nvc.Add("k2","project");
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Assert.AreEqual(4, nvc.Count);
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Assert.AreEqual("project,project", nvc["k2"], "Wrong effect of add(samekey,samevalue)\n"+FormatForPrinting(nvc));
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// TODO: add Remove test
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nvc.Remove("k4");
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Assert.AreEqual(3, nvc.Count);
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Assert.IsNull(nvc["k4"]);
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NameValueCollection nvc1 = new NameValueCollection();
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nvc1["k1"]="these";
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nvc1["k5"]="!";
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nvc.Add(nvc1);
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Assert.AreEqual (4, nvc.Count, FormatForPrinting(nvc)+"Count is wrong after Add(nvc1)");
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Assert.IsTrue((nvc["k1"].Equals("this,these"))&&(nvc["k5"].Equals("!")), "Values are wrong after Add(nvc1)");
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nvc.Set("k3","accomplished");
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Assert.AreEqual("accomplished", nvc["k3"], "Wrong result of Set operation");
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}
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[Test]
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public void GetKeyGetValues()
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{
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SetDefaultData();
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Assert.AreEqual ("k1", nvc.GetKey(0));
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string[] values = nvc.GetValues(0);
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Assert.AreEqual ("this", values[0]);
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}
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[Test]
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public void CopyTo() {
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SetDefaultData();
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string[] entries=new string[nvc.Count];
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nvc.CopyTo(entries,0);
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//Message(FormatForPrinting(nvc));
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//Assert("Not an entry.",entries[0] is DictionaryEntry);
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}
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[Test]
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public void UnderHeavyLoad() {
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//TODO: add memory and time measurement
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nvc.Clear();
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#if MOBILE
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const int max=100;
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#else
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const int max=1000;
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#endif
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String[] cache=new String[max*2];
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int n=0;
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for (int i=0;i<max;i++) {
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int id=rnd.Next()&0xFFFF;
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String key=""+id+"-key-"+id;
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String val="value-"+id;
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if (nvc[key]==null) {
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nvc[key]=val;
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cache[n]=key;
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cache[n+max]=val;
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n++;
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}
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}
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Assert.AreEqual (n, nvc.Count);
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for (int i=0;i<n;i++) {
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String key=cache[i];
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String val=nvc[key] as String;
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String err="nvc[\""+key+"\"]=\""+val+
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"\", expected \""+cache[i+max]+"\"";
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Assert.IsNotNull (val);
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Assert.AreEqual (val, cache[i+max], err);
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}
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int r1=(n/3);
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int r2=r1+(n/5);
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for (int i=r1;i<r2;i++) {
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nvc.Remove(cache[i]);
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}
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for (int i=0;i<n;i++) {
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if (i>=r1 && i<r2) {
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Assert.IsNull (nvc[cache[i]]);
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} else {
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String key=cache[i];
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String val=nvc[key] as String;
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String err="ht[\""+key+"\"]=\""+val+
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"\", expected \""+cache[i+max]+"\"";
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Assert.AreEqual (val, cache[i+max], err);
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}
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}
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}
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}
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}
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