public void Equality()
{
var segment1 = new Segment("E", false);
var segment2 = new Segment("+", true);
var segment3 = new Segment("Number", true);
var production1 = new Production(segment1, ImmutableArray.Create(segment1, segment2, segment3));
var production2 = new Production(segment1, ImmutableArray.Create(segment1, segment2, segment3));
var production3 = new Production(segment1, ImmutableArray.Create(segment3));
var itemA = new ParseItem(production1, 1);
var itemB = new ParseItem(production2, 1);
var itemC = new ParseItem(production3, 1);
var itemD = new ParseItem(production1, 2);
Assert.That(itemA.Equals(itemB), Is.EqualTo(true), "itemA == itemB");
Assert.That(itemB.Equals(itemA), Is.EqualTo(true), "itemB == itemA");
Assert.That(itemA.GetHashCode() == itemB.GetHashCode(), Is.EqualTo(true), "itemA.HC == itemB.HC");
Assert.That(itemA.Equals(itemC), Is.EqualTo(false), "itemA == itemC");
Assert.That(itemC.Equals(itemA), Is.EqualTo(false), "itemC == itemA");
Assert.That(itemA.GetHashCode() == itemC.GetHashCode(), Is.EqualTo(false), "itemA.HC == itemC.HC");
Assert.That(itemA.Equals(itemD), Is.EqualTo(false), "itemA == itemD");
Assert.That(itemD.Equals(itemA), Is.EqualTo(false), "itemD == itemA");
Assert.That(itemA.GetHashCode() == itemD.GetHashCode(), Is.EqualTo(false), "itemA.HC == itemD.HC");
}
public void Equals()
{
var a = new ParseItem(default(EditorConfigDocument), ItemType.Keyword, new Span(10, 10), "a text");
var b = new ParseItem(default(EditorConfigDocument), ItemType.Section, new Span(20, 10), "b text");
var c = new ParseItem(default(EditorConfigDocument), ItemType.Keyword, new Span(10, 10), "a text");
Assert.IsTrue(a == c);
Assert.IsFalse(a != c);
Assert.IsTrue(a != b);
Assert.IsFalse(a == b);
Assert.IsTrue(a.GetHashCode() != b.GetHashCode());
Assert.IsTrue(a.Equals(a));
Assert.IsTrue(a.Equals(c));
Assert.IsFalse(a.Equals(b));
}
/// <summary>
/// Count the plain SQL characters from the start item up to the end item
/// Both items must exist!
/// If an optional stringbuilder is passed it receives the SQL code
/// </summary>
protected static int MeasureLength(ParseItem i_ItemStart, ParseItem i_ItemEnd, StringBuilder s_Sql)
{
int Len = 0;
do
{
if (s_Sql != null)
{
s_Sql.Append(i_ItemStart.Text);
s_Sql.Append(" ");
}
Len += i_ItemStart.Text.Length + 1;
i_ItemStart = i_ItemStart.Next;
}
while (!i_ItemStart.Equals(i_ItemEnd));
return Len;
}
