public void ToString_Test()
{
BooleanFilter b = new BooleanFilter();
b.Add(new BooleanFilterClause(GetTermsFilter("inStock", "N", false), BooleanClause.Occur.MUST));
b.Add(new BooleanFilterClause(GetTermsFilter("price", "030", false), BooleanClause.Occur.MUST_NOT));
b.Add(new BooleanFilterClause(GetRangeFilter("price", "030", "040", false), BooleanClause.Occur.SHOULD));
Assert.AreEqual("BooleanFilter( price:[030 TO 040] +( inStock:N ) -( price:030 ))", b.ToString());
}