public void ContainsEqualCountTest()
{
var query = source.AsQueryable();
var targetQuery = new List <string> {
"9", "8", "7", "6", "5", "4", "3", "2"
}.AsQueryable();
Assert.True(QueryableJudgment.ContainsEqualCount(query, targetQuery));
Assert.True(QueryableJudgment.ContainsEqualCount <string>(null, null));
Assert.False(QueryableJudgment.ContainsEqualCount(query, null));
Assert.False(QueryableJudgment.ContainsEqualCount(null, targetQuery));
var wrongQuery = new List <string> {
"1"
}.AsQueryable();
Assert.False(QueryableJudgment.ContainsEqualCount(query, wrongQuery));
}
/// <summary> /// 检查两个集合是否拥有相等数量的成员 /// </summary> /// <typeparam name="T"></typeparam> /// <param name="this"></param> /// <param name="that"></param> /// <returns></returns> public static bool ContainsEqualCount <T>(this IQueryable <T> @this, IQueryable <T> @that) => QueryableJudgment.ContainsEqualCount(@this, @that);
/// <summary> /// 检查一个集合是否拥有指定数量的成员 /// </summary> /// <typeparam name="T">动态类型</typeparam> /// <param name="enumeration"></param> /// <param name="count"></param> /// <returns></returns> public static bool ContainsAtLeast <T>(this IQueryable <T> enumeration, int count) => QueryableJudgment.ContainsAtLeast(enumeration, count);
public void ContainAtLeastTest_False(int count)
{
var query = source.AsQueryable();
Assert.False(QueryableJudgment.ContainsAtLeast(query, count));
}
