public void Int32GeneratorTest()
{
var g = new SequentialInt32Generator();
g.Next().Should().Be(1);
g.Next().Should().Be(2);
g.Next().Should().Be(3);
}
public void Generate_start_stop_step_sequence_ok(int start, int stop, int step, int[] expectedOutput)
{
var generator = new SequentialInt32Generator
{
Start = start,
End = stop,
Step = step
};
var actualOutput = generator.Run().Cast<int>();
Assert.AreElementsEqual(expectedOutput, actualOutput);
}
public void Generate_sequence_with_invalid_property_settings_should_throw_exception(int?start, int?stop, int?step, int?count)
{
var generator = new SequentialInt32Generator
{
Start = start,
End = stop,
Step = step,
Count = count
};
Assert.Throws <GenerationException>(() => generator.Run().Cast <int>().ToArray());
}
public void Generate_start_stop_step_sequence_ok(int start, int stop, int step, int[] expectedOutput)
{
var generator = new SequentialInt32Generator
{
Start = start,
End = stop,
Step = step
};
var actualOutput = generator.Run().Cast <int>();
Assert.AreElementsEqual(expectedOutput, actualOutput);
}
public void Generate_filtered_sequence()
{
var generator = new SequentialInt32Generator
{
Start = 0,
End = 100,
Step = 1,
Filter = IsPrime
};
var actualOutput = generator.Run().Cast <int>();
Assert.AreElementsEqual(new[] { 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97 }, actualOutput);
}
private static IEnumerable <int> NumbersImpl(int?start, int?end, int?step, int?count)
{
var generator = new SequentialInt32Generator
{
Start = start,
End = end,
Step = step,
Count = count,
};
foreach (int value in generator.Run())
{
yield return(value);
}
}
public void Generate_filtered_sequence()
{
var generator = new SequentialInt32Generator
{
Start = 0,
End = 100,
Step = 1,
Filter = IsPrime
};
var actualOutput = generator.Run().Cast<int>();
Assert.AreElementsEqual(new[] { 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97 }, actualOutput);
}
public void Generate_sequence_with_invalid_property_settings_should_throw_exception(int? start, int? stop, int? step, int? count)
{
var generator = new SequentialInt32Generator
{
Start = start,
End = stop,
Step = step,
Count = count
};
Assert.Throws<GenerationException>(() => generator.Run().Cast<int>().ToArray());
}
private static IEnumerable<int> NumbersImpl(int? start, int? end, int? step, int? count)
{
var generator = new SequentialInt32Generator
{
Start = start,
End = end,
Step = step,
Count = count,
};
foreach (int value in generator.Run())
yield return value;
}