public void AddOrderBy_Test2()
{
var dummy_list = new Article[] {
new Article() {Title="Z"},
new Article() {Title="A"},
new Article() {Title="M"}
};
var sortdef = new ChimaLib.Models.SortFieldDefinition<Article, string>(obj => obj.Title);
var articles = (from a in dummy_list select a).AsQueryable();
articles = sortdef.AddOrderBy(articles, "Title desc"); //ソートキー"Title"順に並べ替え
var result = articles.ToArray();
Assert.AreEqual("Z", result[0].Title);
Assert.AreEqual("M", result[1].Title);
Assert.AreEqual("A", result[2].Title);
}
public void SortKey_Test1()
{
var sortdef = new ChimaLib.Models.SortFieldDefinition<Article, string>(obj => obj.Title);
Assert.AreEqual("Title", sortdef.SortKey); //キーを抽出する関数からソートキー文字列生成
}
public void NextSortKey_Test1()
{
var sortdef = new ChimaLib.Models.SortFieldDefinition<Article, string>(obj => obj.Title);
var next=sortdef.GetNextSortKey("Title");
Assert.AreEqual("Title desc", next); //昇順の次は降順
next = sortdef.GetNextSortKey("Title desc");
Assert.AreEqual("Title", next); //降順の次は昇順
next = sortdef.GetNextSortKey("unknown");
Assert.AreEqual("Title", next); //別のフィールドがソートキーの場合は昇順
}
