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Add test for saddle points in row (#1427)

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There is a test for multiple saddle points in a column, but there is no test for multiple points in a row. 

These changes rename the existing test to indicate it tests for saddle points in a column and adds a test for multiple points in a row.
This commit is contained in:
DocFogel
2018-07-27 15:04:21 +02:00
committed by Corey McCandless
parent b214e203fa
commit a5f970524b
1 changed files with 7 additions and 2 deletions
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9
exercises/saddle-points/saddle_points_test.py
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@@ -10,7 +10,7 @@ import unittest
from saddle_points import saddle_points
# Tests adapted from `problem-specifications//canonical-data.json` @ v1.1.0
# Tests adapted from `problem-specifications//canonical-data.json` @ v1.2.0
class SaddlePointsTest(unittest.TestCase):
def test_identify_single_saddle_point(self):
@@ -24,11 +24,16 @@ class SaddlePointsTest(unittest.TestCase):
matrix = [[1, 2, 3], [3, 1, 2], [2, 3, 1]]
self.assertEqual(saddle_points(matrix), set())
def test_identify_multiple_saddle_points(self):
def test_identify_multiple_saddle_points_in_column(self):
matrix = [[4, 5, 4], [3, 5, 5], [1, 5, 4]]
expected = set([(0, 1), (1, 1), (2, 1)])
self.assertEqual(saddle_points(matrix), expected)
def test_identify_multiple_saddle_points_in_row(self):
matrix = [[6, 7, 8], [5, 5, 5], [7, 5, 6]]
expected = set([(1, 0), (1, 1), (1, 2)])
self.assertEqual(saddle_points(matrix), expected)
def test_identify_saddle_point_in_bottom_right_corner(self):
matrix = [[8, 7, 9], [6, 7, 6], [3, 2, 5]]
expected = set([(2, 2)])