public void TestSingleWord()
{
var index = new WordIndex();
Assert.That(index.GetAttributes(), Is.EquivalentTo(new string[0]));
index.Add("w1", "attr2");
index.Add("w1", "attr1");
index.Add("w1", "attr3");
Assert.Throws <ArgumentException>(() => index.Add("w1", "attr1"));
Assert.That(index.GetAttributes(), Is.EquivalentTo(new string[] { "attr1", "attr2", "attr3" }));
Assert.That(index.GetWordNames("attr1"), Is.EquivalentTo(new string[] { "w1" }));
Assert.That(index.GetWordNames("attr2"), Is.EquivalentTo(new string[] { "w1" }));
Assert.That(index.GetWordNames("attr3"), Is.EquivalentTo(new string[] { "w1" }));
Assert.Throws <KeyNotFoundException>(() => index.Remove("wX", "attr1"));
Assert.Throws <KeyNotFoundException>(() => index.Remove("w1", "attrX"));
index.Remove("w1", "attr2");
Assert.That(index.GetAttributes(), Is.EquivalentTo(new string[] { "attr1", "attr3" }));
Assert.That(index.GetWordNames("attr1"), Is.EquivalentTo(new string[] { "w1" }));
Assert.That(index.GetWordNames("attr2"), Is.EquivalentTo(new string[0]));
Assert.That(index.GetWordNames("attr3"), Is.EquivalentTo(new string[] { "w1" }));
index.Remove("w1", "attr1");
index.Remove("w1", "attr3");
Assert.That(index.GetAttributes(), Is.EquivalentTo(new string[0]));
Assert.That(index.GetWordNames("attr1"), Is.EquivalentTo(new string[0]));
Assert.That(index.GetWordNames("attr2"), Is.EquivalentTo(new string[0]));
Assert.That(index.GetWordNames("attr3"), Is.EquivalentTo(new string[0]));
}
public static void Main(String[] args)
{
WordIndex wi = new WordIndex();
wi.Add("ja", 2);
wi.Add("nej", 4);
wi.Add("ja", 7);
foreach (string s in wi.Keys)
{
Console.WriteLine(s + " -->");
foreach (int line in wi[s])
{
Console.WriteLine(" " + line);
}
}
}