public void ContainsEqualCountTest()
        {
            var query = source.AsQueryable();
            var targetQuery = new List <string> {
                "9", "8", "7", "6", "5", "4", "3", "2"
            }.AsQueryable();

            Assert.True(QueryableJudgement.ContainsEqualCount(query, targetQuery));
            Assert.True(QueryableJudgement.ContainsEqualCount <string>(null, null));
            Assert.False(QueryableJudgement.ContainsEqualCount(query, null));
            Assert.False(QueryableJudgement.ContainsEqualCount(null, targetQuery));

            var wrongQuery = new List <string> {
                "1"
            }.AsQueryable();

            Assert.False(QueryableJudgement.ContainsEqualCount(query, wrongQuery));
        }
        public void ContainAtLeastTest_False(int count)
        {
            var query = source.AsQueryable();

            Assert.False(QueryableJudgement.ContainsAtLeast(query, count));
        }