public void Compute_ordered_multiplier()
{
var multiplier1 = FullTextIndex.ComputeBonusIfOrderIsPreserved(Tokenize("a b c"), Tokenize("b c a"));
var multiplier2 = FullTextIndex.ComputeBonusIfOrderIsPreserved(Tokenize("a b c"), Tokenize("c b a"));
Assert.IsTrue(multiplier1 > multiplier2);
Assert.AreEqual(1, multiplier2); // no multiplier as the order is not preserved
var multiplier3 = FullTextIndex.ComputeBonusIfOrderIsPreserved(Tokenize("nice evening"), Tokenize("nice evening"));
var multiplier4 = FullTextIndex.ComputeBonusIfOrderIsPreserved(Tokenize("nice evening"), Tokenize("it was a nice evening"));
Assert.AreEqual(multiplier3, multiplier4);
Assert.IsTrue(multiplier3 > 1);
var multiplier5 = FullTextIndex.ComputeBonusIfOrderIsPreserved(Tokenize("nice and happy evening"), Tokenize("nice evening"));
var multiplier6 = FullTextIndex.ComputeBonusIfOrderIsPreserved(Tokenize("nice evening"), Tokenize("nice and happy evening"));
Assert.IsTrue(multiplier6 > multiplier5);
Assert.IsTrue(multiplier5 > 1);
var multiplier7 =
FullTextIndex.ComputeBonusIfOrderIsPreserved(Tokenize("nice view close beach"),
Tokenize("nice view and close to the beach"));
Assert.IsTrue(multiplier7 > 10 * 3);
var multiplier8 = FullTextIndex.ComputeBonusIfOrderIsPreserved(Tokenize("c++"), Tokenize("c++"));
var multiplier9 = FullTextIndex.ComputeBonusIfOrderIsPreserved(Tokenize("c++"), Tokenize("+c"));
Assert.IsTrue(multiplier8 > 1);
Assert.AreEqual(1, multiplier9); // no multiplier as the order is not preserved
}