public void ShouldReturnByteArray()
{
var converter = new Int32Converter();
const int data = 0x11223344;
var bytes = converter.Convert(data).ToArray();
bytes.Should().HaveCount(4);
bytes[0].Should().Be(0x44);
bytes[1].Should().Be(0x33);
bytes[2].Should().Be(0x22);
bytes[3].Should().Be(0x11);
}
public void Conversion()
{
// Arrange
IConverter converter = new Int32Converter();
var value = "42";
var expectedValue = 42;
// Act
var actualValue = converter.Convert(value, converter.TargetType);
// Assert
Assert.NotNull(actualValue);
Assert.IsType <Int32>(actualValue);
Assert.Equal(expectedValue, (Int32)actualValue);
}
public void BadValueConversion()
{
// Arrange
IConverter converter = new Int32Converter();
var value = "Hello";
var expectedExceptionMessage = Constants.ExceptionMessages.FormatConverterUnableConvert(value, typeof(int));
var expectedInnerExceptionMessage = "Input string was not in a correct format.";
// Act
using (new LangageSwitcher("en-us"))
{
var actualException =
Assert.Throws <CommandLineParserException>(() => converter.Convert(value, converter.TargetType));
// Assert
Assert.Equal(expectedExceptionMessage, actualException.Message);
Assert.NotNull(actualException.InnerException);
var actualInnerExecption = Assert.IsAssignableFrom <FormatException>(actualException.InnerException);
Assert.Equal(expectedInnerExceptionMessage, actualInnerExecption.Message);
}
}