def test_10_tall_f(self):
"""Tall narrow grid, imbalanced"""
grid = Grid([[10, 5],
[10, 5],
[8, 7],
[10, 5],
[6, 3]])
self.assertFalse(grid.all_columns_same_max())
def test_9_tall_t(self):
"""Tall narrow grid, balanced"""
grid = Grid([[10, 5],
[5, 5],
[8, 7],
[4, 10],
[6, 3]])
self.assertTrue(grid.all_columns_same_max())
def test_2_no_clobber(self):
"""Method should not make undocumented modifications
to the state of the object."""
# How can we check this
# without looking inside? Maybe we'll peek.
# Sometimes test cases have to bend the rules.
grid = Grid([[10, 5],
[10, 5],
[8, 7],
[10, 5],
[6, 3]])
check = grid.all_columns_same_max()
self.assertEqual(grid._gv,
[[10, 5],
[10, 5],
[8, 7],
[10, 5],
[6, 3]]
)
def test_1_neg_max_f(self):
"""Max of negative numbers is negative number"""
grid = Grid([[-9995, -9998, -9993],
[-9993, -9990, -9993],
[-9998, -9993, -9998]])
self.assertFalse(grid.all_columns_same_max())
def test_0_neg_max_t(self):
"""Max of negative numbers is a negative number"""
grid = Grid([[-9995, -9998, -9993],
[-9993, -9998, -9993],
[-9998, -9993, -9998]])
self.assertTrue(grid.all_columns_same_max())
def test_0_empty(self):
"""Empty grid case"""
grid = Grid([])
self.assertTrue(grid.all_columns_same_max())
def test_8_wide_f(self):
"""Wide shallow grid, imbalanced columns"""
grid = Grid([[10, 20, 10, 20, 10],
[20, 10, 20, 20, 10]])
self.assertFalse(grid.all_columns_same_max())
def test_6_typical_f(self):
"""Cols not equal, rows equal"""
grid = Grid([[10, 15, 20],
[20, 15, 20],
[20, 13, 10]])
self.assertFalse(grid.all_columns_same_max())
def test_7_wide_t(self):
"""Wide shallow grid, even"""
grid = Grid([[10, 20, 10, 20, 10],
[20, 5, 20, 20, 20]])
self.assertTrue(grid.all_columns_same_max())
def test_5_typical_t(self):
"""A typical grid with equal max columns"""
grid = Grid([[10, 15, 20],
[5, 20, 13],
[20, 5, 8]])
self.assertTrue(grid.all_columns_same_max())
def test_4_2x1_f(self):
"""Two columns, one row, not same"""
grid = Grid([[14, 12]])
self.assertFalse(grid.all_columns_same_max())
def test_3_2x1_t(self):
"""Two columns, one row, same"""
grid = Grid([[12, 12]])
self.assertTrue(grid.all_columns_same_max())
def test_2_1x2(self):
"""If there's only one column, it must be the same"""
grid = Grid([[-12],[24]])
self.assertTrue(grid.all_columns_same_max())
def test_1_1x1(self):
"""One row, one column"""
grid = Grid([[32]])
self.assertTrue(grid.all_columns_same_max())