public void User_CanNotAddAlreadyExistsItem()
{
HashTableModel <string> model = null;
"Given initialized hashtable model with element equal 'Next'"
.x(() =>
{
model = new HashTableModel <string>();
model.Initialize(19);
model.HashFunc("Next");
model.Put("Next");
});
"When user tries to add same item 'Next' again to new slot"
.x(() =>
{
model.HashFunc("Next");
model.Put("Next");
});
"Then last put status should be error"
.x(() =>
{
var code = model.LastInsertStatus();
code.Should().Be(OperationCode.Error);
});
}
public void Size_NotChangeWhenNewItemIsSameAsExists()
{
HashTableModel <string> model = null;
"Given initialized hashtable model with size equal to 1"
.x(() =>
{
model = new HashTableModel <string>();
model.Initialize(19);
model.HashFunc("Next");
model.Put("Next");
});
"When user tries to add same item to hashtable"
.x(() =>
{
model.HashFunc("Next");
model.Put("Next");
});
"Then size should not be changed"
.x(() =>
{
var size = model.Size();
size.Should().Be(1);
});
}
public void Can_CalculateSlot()
{
HashTableModel <int> model = null;
"Given initialized hashtable model"
.x(() =>
{
model = new HashTableModel <int>();
model.Initialize(19);
});
"When user invokes calculate hash function for item 15"
.x(() =>
{
model.HashFunc(15);
});
"And tries to place such item"
.x(() =>
{
model.Put(15);
});
"Then hash model should add new unique item 15"
.x(() =>
{
var code = model.Find(15);
code.Should().Be(OperationCode.Exists);
});
}
