public void Input_with_a_number_of_lines_that_is_not_a_multiple_of_four_raises_an_error()
{
var input = " _ " + "\n" +
"| |" + "\n" +
" ";
Assert.Throws <ArgumentException>(() => OcrNumbers.Convert(input));
}
public void Recognizes_eight()
{
var converted = OcrNumbers.Convert(" _ " + "\n" +
"|_|" + "\n" +
"|_|" + "\n" +
" ");
Assert.Equal("8", converted);
}
public void Recognizes_five()
{
var converted = OcrNumbers.Convert(" _ " + "\n" +
"|_ " + "\n" +
" _|" + "\n" +
" ");
Assert.Equal("5", converted);
}
public void Recognizes_seven()
{
var converted = OcrNumbers.Convert(" _ " + "\n" +
" |" + "\n" +
" |" + "\n" +
" ");
Assert.Equal("7", converted);
}
public void Recognizes_four()
{
var converted = OcrNumbers.Convert(" " + "\n" +
"|_|" + "\n" +
" |" + "\n" +
" ");
Assert.Equal("4", converted);
}
public void Recognizes_zero()
{
var converted = OcrNumbers.Convert(" _ " + "\n" +
"| |" + "\n" +
"|_|" + "\n" +
" ");
Assert.Equal("0", converted);
}
public void Recognizes_1234567890()
{
var converted = OcrNumbers.Convert(" _ _ _ _ _ _ _ _ " + "\n" +
" | _| _||_||_ |_ ||_||_|| |" + "\n" +
" ||_ _| | _||_| ||_| _||_|" + "\n" +
" ");
Assert.Equal("1234567890", converted);
}
public void Recognizes_110101100()
{
var converted = OcrNumbers.Convert(" _ _ _ _ " + "\n" +
" | || | || | | || || |" + "\n" +
" | ||_| ||_| | ||_||_|" + "\n" +
" ");
Assert.Equal("110101100", converted);
}
public void Recognizes_garble()
{
var converted = OcrNumbers.Convert(" " + "\n" +
"| |" + "\n" +
"| |" + "\n" +
" ");
Assert.Equal("?", converted);
}
public void Recognizes_eight()
{
var converted = OcrNumbers.Convert(" _ " + "\n" +
"|_|" + "\n" +
"|_|" + "\n" +
" ");
Assert.That(converted, Is.EqualTo("8"));
}
public void Recognizes_seven()
{
var converted = OcrNumbers.Convert(" _ " + "\n" +
" |" + "\n" +
" |" + "\n" +
" ");
Assert.That(converted, Is.EqualTo("7"));
}
public void Input_with_a_number_of_columns_that_is_not_a_multiple_of_three_raises_an_error()
{
var rows = " " + "\n" +
" |" + "\n" +
" |" + "\n" +
" ";
Assert.Throws <ArgumentException>(() => OcrNumbers.Convert(rows));
}
public void Recognizes_four()
{
var converted = OcrNumbers.Convert(" " + "\n" +
"|_|" + "\n" +
" |" + "\n" +
" ");
Assert.That(converted, Is.EqualTo("4"));
}
public void Recognizes_1234567890()
{
var converted = OcrNumbers.Convert(" _ _ _ _ _ _ _ _ " + "\n" +
" | _| _||_||_ |_ ||_||_|| |" + "\n" +
" ||_ _| | _||_| ||_| _||_|" + "\n" +
" ");
Assert.That(converted, Is.EqualTo("1234567890"));
}
public void Recognizes_three()
{
var converted = OcrNumbers.Convert(" _ " + "\n" +
" _|" + "\n" +
" _|" + "\n" +
" ");
Assert.That(converted, Is.EqualTo("3"));
}
public void Recognizes_garble()
{
var converted = OcrNumbers.Convert(" " + "\n" +
"| |" + "\n" +
"| |" + "\n" +
" ");
Assert.That(converted, Is.EqualTo("?"));
}
public void Recognizes_numbers_and_garble()
{
var converted = OcrNumbers.Convert(" _ _ _ " + "\n" +
" | || | || | || || |" + "\n" +
" | | _| ||_| | ||_||_|" + "\n" +
" ");
Assert.That(converted, Is.EqualTo("11?10?1?0"));
}
public void Recognizes_1()
{
var input = " " + "\n" +
" |" + "\n" +
" |" + "\n" +
" ";
var actual = OcrNumbers.Convert(input);
Assert.Equal("1", actual);
}
public void Recognizes_2()
{
var input = " _ " + "\n" +
" _|" + "\n" +
"|_ " + "\n" +
" ";
var actual = OcrNumbers.Convert(input);
Assert.Equal("2", actual);
}
public void Recognizes_0()
{
var rows = " _ " + "\n" +
"| |" + "\n" +
"|_|" + "\n" +
" ";
var actual = OcrNumbers.Convert(rows);
Assert.Equal("0", actual);
}
public void Recognizes_110101100()
{
var input = " _ _ _ _ " + "\n" +
" | || | || | | || || |" + "\n" +
" | ||_| ||_| | ||_||_|" + "\n" +
" ";
var actual = OcrNumbers.Convert(input);
Assert.Equal("110101100", actual);
}
public void Recognizes_string_of_decimal_numbers()
{
var input = " _ _ _ _ _ _ _ _ " + "\n" +
" | _| _||_||_ |_ ||_||_|| |" + "\n" +
" ||_ _| | _||_| ||_| _||_|" + "\n" +
" ";
var actual = OcrNumbers.Convert(input);
Assert.Equal("1234567890", actual);
}
public void Unreadable_but_correctly_sized_inputs_return_()
{
var input = " " + "\n" +
" _" + "\n" +
" |" + "\n" +
" ";
var actual = OcrNumbers.Convert(input);
Assert.Equal("?", actual);
}
public void Garbled_numbers_in_a_string_are_replaced_with_()
{
var input = " _ _ _ " + "\n" +
" | || | || | || || |" + "\n" +
" | | _| ||_| | ||_||_|" + "\n" +
" ";
var actual = OcrNumbers.Convert(input);
Assert.Equal("11?10?1?0", actual);
}
public void Recognizes_2()
{
var rows =
" _ \n" +
" _|\n" +
"|_ \n" +
" ";
var actual = OcrNumbers.Convert(rows);
Assert.Equal("2", actual);
}
public void Garbled_numbers_in_a_string_are_replaced_with_()
{
var rows =
" _ _ _ \n" +
" | || | || | || || |\n" +
" | | _| ||_| | ||_||_|\n" +
" ";
var actual = OcrNumbers.Convert(rows);
Assert.Equal("11?10?1?0", actual);
}
public void Recognizes_110101100()
{
var rows =
" _ _ _ _ \n" +
" | || | || | | || || |\n" +
" | ||_| ||_| | ||_||_|\n" +
" ";
var actual = OcrNumbers.Convert(rows);
Assert.Equal("110101100", actual);
}
public void Unreadable_but_correctly_sized_inputs_return_()
{
var rows =
" \n" +
" _\n" +
" |\n" +
" ";
var actual = OcrNumbers.Convert(rows);
Assert.Equal("?", actual);
}
public void Recognizes_1()
{
var rows =
" \n" +
" |\n" +
" |\n" +
" ";
var actual = OcrNumbers.Convert(rows);
Assert.Equal("1", actual);
}
public void Recognizes_string_of_decimal_numbers()
{
var rows =
" _ _ _ _ _ _ _ _ \n" +
" | _| _||_||_ |_ ||_||_|| |\n" +
" ||_ _| | _||_| ||_| _||_|\n" +
" ";
var actual = OcrNumbers.Convert(rows);
Assert.Equal("1234567890", actual);
}
