public void TestNegativeCases()
{
TagList list = new TagList {
new KeyValuePair <string, object?>("1", 1), new KeyValuePair <string, object?>("2", 2)
};
KeyValuePair <string, object?> kvp = default;
Assert.Throws <ArgumentOutOfRangeException>(() => kvp = list[2]);
Assert.Throws <ArgumentOutOfRangeException>(() => list[2] = kvp);
Assert.Throws <ArgumentOutOfRangeException>(() => kvp = list[-1]);
Assert.Throws <ArgumentOutOfRangeException>(() => list[-2] = kvp);
KeyValuePair <string, object?>[] array = new KeyValuePair <string, object?> [1];
Assert.Throws <ArgumentException>(() => list.CopyTo(array.AsSpan()));
Assert.Throws <ArgumentException>(() => list.CopyTo(array, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => list.CopyTo(array, 1));
Assert.Throws <ArgumentOutOfRangeException>(() => list.CopyTo(array, -1));
Assert.Throws <ArgumentNullException>(() => list.CopyTo(null, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => list.Insert(-1, default));
Assert.Throws <ArgumentOutOfRangeException>(() => list.Insert(3, default));
Assert.Throws <ArgumentOutOfRangeException>(() => list.RemoveAt(-1));
Assert.Throws <ArgumentOutOfRangeException>(() => list.RemoveAt(2));
}
public void TestCopyTo()
{
for (int i = 0; i < 20; i++)
{
CreateTagList(i, out TagList tagList);
KeyValuePair <string, object?>[] array = new KeyValuePair <string, object?> [tagList.Count];
tagList.CopyTo(array.AsSpan());
ValidateTags(tagList, array);
array = new KeyValuePair <string, object?> [tagList.Count];
tagList.CopyTo(array);
ValidateTags(tagList, array);
}
}
public void TestConstruction()
{
for (int i = 0; i < 30; i++)
{
CreateTagList(i, out TagList tagList);
ValidateTags(in tagList, i);
Assert.False(tagList.IsReadOnly);
KeyValuePair <string, object?>[] array = new KeyValuePair <string, object?> [tagList.Count];
tagList.CopyTo(array);
TagList list = new TagList(array.AsSpan());
ValidateTags(in tagList, i);
}
}