public void ComparerIsObeyed()
{
var interner = new LookasideStringInterner(StringComparer.OrdinalIgnoreCase, 1);
int strIndex = interner.Intern("abc123def456");
Assert.AreEqual(interner.Intern("ABC123DEF456"), strIndex);
var interner2 = new LookasideStringInterner(StringComparer.Ordinal, 1);
int strIndex2 = interner2.Intern("abc123def456");
Assert.AreNotEqual(interner.Intern("ABC123DEF456"), strIndex2);
}
public void ReuseOfDeserializedInternerNotAllowed()
{
var interner = new LookasideStringInterner(StringComparer.OrdinalIgnoreCase, 1);
int strIndex = interner.Intern("abc123def456");
MemoryStream stream = new MemoryStream();
INodePacketTranslator writetranslator = NodePacketTranslator.GetWriteTranslator(stream);
interner.Translate(writetranslator);
INodePacketTranslator readtranslator = NodePacketTranslator.GetReadTranslator(stream, null);
var newInterner = new LookasideStringInterner(readtranslator);
bool gotException = false;
try
{
newInterner.Intern("foo");
}
catch (Exception)
{
gotException = true;
}
Assert.IsTrue(gotException);
}
public void Serialization()
{
var interner = new LookasideStringInterner(StringComparer.OrdinalIgnoreCase, 1);
int nullIndex = interner.Intern(null);
int emptyIndex = interner.Intern(String.Empty);
int strIndex = interner.Intern("abc123def456");
MemoryStream stream = new MemoryStream();
INodePacketTranslator writetranslator = NodePacketTranslator.GetWriteTranslator(stream);
interner.Translate(writetranslator);
INodePacketTranslator readtranslator = NodePacketTranslator.GetReadTranslator(stream, null);
var newInterner = new LookasideStringInterner(readtranslator);
Assert.AreEqual(newInterner.GetString(nullIndex), null);
Assert.AreEqual(newInterner.GetString(emptyIndex), String.Empty);
Assert.AreEqual(newInterner.GetString(strIndex), "abc123def456");
}
public void BasicInterning()
{
var interner = new LookasideStringInterner(StringComparer.OrdinalIgnoreCase, 1);
int nullIndex = interner.Intern(null);
int emptyIndex = interner.Intern(String.Empty);
int strIndex = interner.Intern("abc123def456");
Assert.AreEqual(interner.Intern(null), nullIndex);
Assert.AreEqual(interner.Intern(String.Empty), emptyIndex);
Assert.AreEqual(interner.Intern("abc123def456"), strIndex);
Assert.AreEqual(interner.GetString(nullIndex), null);
Assert.AreEqual(interner.GetString(emptyIndex), String.Empty);
Assert.AreEqual(interner.GetString(strIndex), "abc123def456");
}