public void HasValidNextPageAndEmptyPreviousPage()
{
PageNumberAndSizeTests.AssertIsEmpty(this.defaultPagingInfo.PreviousPage);
Assert.AreEqual(PageNumberAndSize.DefaultPageSize, this.defaultPagingInfo.CurrentPage.Size);
Assert.AreEqual(this.defaultPagingInfo.CurrentPage.Size, this.defaultPagingInfo.NextPage.Size);
}
internal static void AssertIsLastPage(PagingInfo lastPageInfo)
{
Assert.AreEqual(
lastPageInfo.LastPage.Number,
lastPageInfo.CurrentPage.Number);
Assert.IsTrue(lastPageInfo.HasValue);
Assert.IsFalse(lastPageInfo.NextPage.HasValue);
Assert.IsTrue(lastPageInfo.IsLastPage);
PageNumberAndSizeTests.AssertEquality(
lastPageInfo.LastPage, lastPageInfo.CurrentPage);
}
public void HasEmptyPages()
{
PageNumberAndSizeTests.AssertIsEmpty(this.emptyPagingInfo.CurrentPage);
PageNumberAndSizeTests.AssertIsEmpty(this.emptyPagingInfo.FirstPage);
PageNumberAndSizeTests.AssertIsEmpty(this.emptyPagingInfo.LastPage);
PageNumberAndSizeTests.AssertIsEmpty(this.emptyPagingInfo.NextPage);
PageNumberAndSizeTests.AssertIsEmpty(this.emptyPagingInfo.PreviousPage);
Assert.AreEqual(0, this.emptyPagingInfo.ItemCount);
Assert.IsNull(this.emptyPagingInfo.AllPages);
Assert.IsFalse(this.emptyPagingInfo.IsFirstPage);
Assert.IsFalse(this.emptyPagingInfo.IsLastPage);
}
public void HasValidFirstAndLastPages()
{
PageNumberAndSizeTests.AssertIsUnbounded(this.unboundedPagingInfo.CurrentPage);
PageNumberAndSizeTests.AssertIsUnbounded(this.unboundedPagingInfo.FirstPage);
PageNumberAndSizeTests.AssertIsUnbounded(this.unboundedPagingInfo.LastPage);
AssertIsFirstPage(this.unboundedPagingInfo);
AssertIsLastPage(this.unboundedPagingInfo);
Assert.AreEqual(this.unboundedPagingInfo.TotalItems, this.unboundedPagingInfo.ItemCount);
Assert.IsNull(this.unboundedPagingInfo.AllPages);
Assert.IsTrue(this.unboundedPagingInfo.IsFirstPage);
Assert.IsTrue(this.unboundedPagingInfo.IsLastPage);
}
internal static void AssertIsFirstPage(PagingInfo firstPageInfo)
{
PageNumberAndSizeTests.AssertIsFirstPage(firstPageInfo.CurrentPage);
Assert.AreEqual(0, firstPageInfo.CurrentPage.Index);
Assert.AreEqual(
PageNumberAndSize.FirstPageNumber,
firstPageInfo.CurrentPage.Number);
Assert.IsTrue(firstPageInfo.HasValue);
Assert.IsFalse(firstPageInfo.PreviousPage.HasValue);
Assert.IsTrue(firstPageInfo.IsFirstPage);
PageNumberAndSizeTests.AssertEquality(
firstPageInfo.FirstPage, firstPageInfo.CurrentPage);
}
public void HasValidFirstAndLastPages()
{
AssertIsFirstPage(this.defaultPagingInfo);
PageNumberAndSizeTests.AssertIsFirstPage(this.defaultPagingInfo.CurrentPage);
PageNumberAndSizeTests.AssertIsFirstPage(this.defaultPagingInfo.FirstPage);
Assert.Greater(this.defaultPagingInfo.CurrentPage.Size, byte.MinValue);
Assert.Greater(this.defaultPagingInfo.FirstPage.Size, byte.MinValue);
Assert.Greater(this.defaultPagingInfo.LastPage.Size, byte.MinValue);
Assert.IsNull(this.defaultPagingInfo.AllPages);
Assert.AreEqual(PageNumberAndSize.DefaultPageSize, this.defaultPagingInfo.ItemCount);
Assert.AreEqual(PageNumberAndSize.DefaultPageSize, this.defaultPagingInfo.CurrentPage.Size);
Assert.AreEqual(this.defaultPagingInfo.CurrentPage.Size, this.defaultPagingInfo.FirstPage.Size);
Assert.AreEqual(this.defaultPagingInfo.CurrentPage.Size, this.defaultPagingInfo.LastPage.Size);
Assert.AreEqual(this.defaultPagingInfo.CurrentPage.Size, this.defaultPagingInfo.ItemCount);
}
public void ReturnsEmptyFromEmpty()
{
PageNumberAndSize newPage = PagingInfo.Empty.TurnToPage(6);
PageNumberAndSizeTests.AssertIsEmpty(newPage);
}
public void HasEmptyNextAndPreviousPages()
{
PageNumberAndSizeTests.AssertIsEmpty(this.unboundedPagingInfo.NextPage);
PageNumberAndSizeTests.AssertIsEmpty(this.unboundedPagingInfo.PreviousPage);
}