public void WildCardLiteralTest_TrailingWildcard()
{
WildcardLiteral wildcard = new WildcardLiteral("hell*", kGram);
IList <Posting> result = wildcard.GetPostings(index, processor);
IList <Posting> expected = UnitTest.GeneratePostings("(0,[0,1]), (2,[0,2,3])");
result.Should().BeEquivalentTo(expected);
}
public void WildCardLiteralTest_NotExist_ReturnsEmpty()
{
//1. Not existing wildcard query
WildcardLiteral wildcard1 = new WildcardLiteral("zeb*", kGram);
IList <Posting> result = wildcard1.GetPostings(index, processor);
result.Should().BeEmpty("because no posting exist for the wildcard 'zeb*'");
//2. Exception of putting empty string to wildcard query
WildcardLiteral wildcard2 = new WildcardLiteral("", kGram);
result = wildcard2.GetPostings(index, processor);
result.Should().BeEmpty("because wildcard query got empty string");
}
