public void EnumerableExtensions_ConcatMany_OneSequence_ReturnsSequence()
{
int[] seq1 = { 0, 1, 2, 3, 4, 4, 4, 4, 5, 6, 7, 8, 9 };
int[] expectedResult = seq1;
int[] actualResult = EnumerableExtensions.ConcatMany(seq1).ToArray();
Assert.Equal(expectedResult, actualResult);
}
public void EnumerableExtensions_ConcatMany_TwoSequences_ReturnsConcatenateSequences()
{
int[] seq1 = { 0, 1, 2, 3, 4, 4 };
int[] seq2 = { 4, 4, 5, 6, 7, 8, 9 };
int[] expectedResult = { 0, 1, 2, 3, 4, 4, 4, 4, 5, 6, 7, 8, 9 };
int[] actualResult = EnumerableExtensions.ConcatMany(seq1, seq2).ToArray();
Assert.Equal(expectedResult, actualResult);
}
public void EnumerableExtensions_ConcatMany_ManySequences_ReturnsConcatenateSequences()
{
int[] seq1 = { 0, 1 };
int[] seq2 = { 2, 3 };
int[] seq3 = { 4, 4 };
int[] seq4 = { 4, 4 };
int[] seq5 = { 5, 6 };
int[] seq6 = { 7, 8 };
int[] seq7 = { 9 };
int[] expectedResult = { 0, 1, 2, 3, 4, 4, 4, 4, 5, 6, 7, 8, 9 };
int[] actualResult = EnumerableExtensions.ConcatMany(seq1, seq2, seq3, seq4, seq5, seq6, seq7).ToArray();
Assert.Equal(expectedResult, actualResult);
}
public void EnumerableExtensions_ConcatMany_Null_ThrowsException()
{
Assert.Throws <ArgumentNullException>(() => EnumerableExtensions.ConcatMany((IEnumerable <object>)null).ToArray());
}