public void All_rows_must_have_symmetric_contour(char letter)
{
var actual = Diamond.Make(letter);
var rows = Rows(actual);
Assert.That(rows, Is.All.Matches <string>(row => LeadingSpaces(row) == TrailingSpaces(row)));
}
public void First_row_contains_a(char letter)
{
var actual = Diamond.Make(letter);
var rows = Rows(actual);
var firstRowCharacters = rows.First().Trim();
Assert.Equal("A", firstRowCharacters);
}
public void First_row_contains_A(char letter)
{
var actual = Diamond.Make(letter);
var rows = Rows(actual);
var firstRowCharacters = rows.First().Trim();
Assert.That(firstRowCharacters, Is.EqualTo("A"));
}
public void Diamond_has_square_shape(char letter)
{
var actual = Diamond.Make(letter);
var rows = Rows(actual);
var expected = rows.Length;
Assert.That(rows, Is.All.Matches <string>(row => row.Length == expected));
}
public void Figure_is_symmetric_around_the_horizontal_axis(char letter)
{
var actual = Diamond.Make(letter);
var rows = Rows(actual);
var top = rows.TakeWhile(row => !row.Contains(letter));
var bottom = rows.Reverse().TakeWhile(row => !row.Contains(letter));
Assert.Equal(bottom, top);
}
[DiamondProperty(Skip = "Remove this Skip property to run this test")] // not resolved yet
public void Top_of_figure_has_letters_in_correct_order(char letter)
{
var actual = Diamond.Make(letter);
var rows = Rows(actual);
var expected = GetLetterRange('A', letter);
var firstNonSpaceLetters = rows.Take(expected.Length).Select(row => row.Trim()[0]);
Assert.Equal(firstNonSpaceLetters, expected);
}
public void All_rows_must_have_symmetric_contour(char letter)
{
var actual = Diamond.Make(letter);
var rows = Rows(actual);
Assert.All(rows, row =>
{
Assert.Equal(LeadingSpaces(row), TrailingSpaces(row));
});
}
public void Diamond_has_square_shape(char letter)
{
var actual = Diamond.Make(letter);
var rows = Rows(actual);
var expected = rows.Length;
Assert.All(rows, row =>
{
Assert.Equal(expected, row.Length);
});
}
public void Bottom_left_corner_spaces_are_triangle(char letter)
{
var actual = Diamond.Make(letter);
var rows = Rows(actual);
var cornerSpaces = rows.Reverse().SkipWhile(row => !row.Contains(letter)).Select(LeadingSpaces);
var spaceCounts = cornerSpaces.Select(row => row.Length).ToList();
var expected = Enumerable.Range(0, spaceCounts.Count).Select(i => i).ToList();
Assert.Equal(expected, spaceCounts);
}
public void All_rows_except_top_and_bottom_have_two_identical_letters(char letter)
{
var actual = Diamond.Make(letter);
var rows = Rows(actual).Where(row => !row.Contains('A'));
Assert.All(rows, row =>
{
var twoCharacters = row.Replace(" ", "").Length == 2;
var identicalCharacters = row.Replace(" ", "").Distinct().Count() == 1;
Assert.True(twoCharacters && identicalCharacters, "Does not have two identical letters");
});
}
public void All_rows_except_top_and_bottom_have_two_identical_letters(char letter)
{
var actual = Diamond.Make(letter);
var rows = Rows(actual).Where(row => !row.Contains('A'));
Assert.That(rows, Is.All.Matches <string>(row =>
{
var twoCharacters = row.Replace(" ", "").Length == 2;
var identicalCharacters = row.Replace(" ", "").Distinct().Count() == 1;
return(twoCharacters && identicalCharacters);
}));
}
public void DiamondWithLetterD()
{
string expected =
@"---A---
--B-B--
-C---C-
D-----D
-C---C-
--B-B--
---A---";
var actual = Diamond.Make('D');
Assert.That(actual, Is.EqualTo(expected));
}
public void Diamond_is_not_empty(char letter)
{
var actual = Diamond.Make(letter);
Assert.NotEmpty(actual);
}
