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matrix: add tests for column matrix #1907

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matrix: add tests for column matrix #1907

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8 changes: 8 additions & 0 deletions exercises/matrix/matrix_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -22,10 +22,18 @@ def test_can_extract_row_from_non_square_matrix(self):
matrix = Matrix("1 2 3\n4 5 6\n7 8 9\n8 7 6")
self.assertEqual(matrix.row(3), [7, 8, 9])

def test_extract_row_from_a_column_matrix(self):
matrix = Matrix("1\n2\n3")
self.assertEqual(matrix.row(1), [1])

def test_extract_column_from_one_number_matrix(self):
matrix = Matrix("1")
self.assertEqual(matrix.column(1), [1])

def test_extract_column_from_a_column_matrix(self):
matrix = Matrix("1\n2\n3")
self.assertEqual(matrix.column(1), [1, 2, 3])

def test_can_extract_column(self):
matrix = Matrix("1 2 3\n4 5 6\n7 8 9")
self.assertEqual(matrix.column(3), [3, 6, 9])
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