public void MergeTwoLists_l1輸入2_l2輸入1_應回傳12()
{
// arrange
var l1 = new ListNode
{
Data = 2
};
var l2 = new ListNode
{
Data = 1
};
var expect = new ListNode
{
Data = 1,
Next = new ListNode
{
Data = 2
}
};
var sut = new Q0021_MergeTwoSortedLists();
// act
var actual = sut.MergeTwoLists(l1, l2);
// assert
actual.Should().BeEquivalentTo(expect);
}
public void MergeTwoLists_l1輸入null_l2輸入null_應回傳null()
{
// arrange
ListNode l1 = null;
ListNode l2 = null;
var sut = new Q0021_MergeTwoSortedLists();
// act
var actual = sut.MergeTwoLists(l1, l2);
// assert
actual.Should().BeNull();
}
public void MergeTwoLists_l1輸入0_l2輸入null_應回傳0()
{
// arrange
var l1 = new ListNode
{
Data = 0
};
ListNode l2 = null;
var expect = new ListNode
{
Data = 0
};
var sut = new Q0021_MergeTwoSortedLists();
// act
var actual = sut.MergeTwoLists(l1, l2);
// assert
actual.Should().BeEquivalentTo(expect);
}