public void Next_Creates_Correct_NextRow_FromInput()
{
var sut = new Traps();
var next = sut.Next("..^^.");
Assert.Equal(".^^^^", next);
}
// This test runs correctly, but is very time-consuming. And actually, the "test" is the
// live test case to submit, not an actual test.
//[Fact]
public void ActualProblem()
{
var input = "^.^^^.^..^....^^....^^^^.^^.^...^^.^.^^.^^.^^..^.^...^.^..^.^^.^..^.....^^^.^.^^^..^^...^^^...^...^.";
var sut = new Traps();
var rows = sut.Next(input, 399999, includefirstRow: true);
var safeSpots = sut.SafeSpots(rows);
}
public void Next_CreatesCorrectRows_FromInitialInput()
{
var sut = new Traps();
var rows = sut.Next("..^^.", 2);
Assert.Equal(".^^^^", rows.First());
Assert.Equal("^^..^", rows.Last());
}
public void SafeSpots_LongerExample_IsCorrect()
{
var sut = new Traps();
var rows = sut.Next(".^^.^.^^^^", 9, includefirstRow: true);
var actual = sut.SafeSpots(rows);
Assert.Equal(38, actual);
}
public void SafeSpots_CorrectlyCountsSafeSpotsInAllRows()
{
var sut = new Traps();
var rows = sut.Next("..^^.", 2, includefirstRow: true);
var actual = sut.SafeSpots(rows);
Assert.Equal(6, actual);
}
public void Next_LongerExample_IsCorrect()
{
var expected = new string[] { ".^^.^.^^^^", "^^^...^..^", "^.^^.^.^^.", "..^^...^^^",
".^^^^.^^.^", "^^..^.^^..", "^^^^..^^^.", "^..^^^^.^^", ".^^^..^.^^", "^^.^^^..^^" };
var sut = new Traps();
var actual = sut.Next(".^^.^.^^^^", 9, includefirstRow: true);
Assert.Equal(expected, actual);
}