public void GetPaddedField_FieldIsNull_ShouldThrowArgumentNullException()
{
string field = null;
Action act = () => NachaUtil.GetPaddedField(field, 1);
act.ShouldThrow <ArgumentNullException>("field argument cannot be null");
}
public void GetPaddedField_RequiredLengthIsZero_ShouldThrowArgumentException()
{
const string Field = _FieldToPad;
const int RequiredLength = 0;
Action act = () => NachaUtil.GetPaddedField(Field, RequiredLength);
act.ShouldThrow <ArgumentException>("required length argument cannot be zero");
}
public void GetPaddedField_FieldIsNotEmptyAndRequiredLengthEqualsFieldLength_ResultLengthShouldEqualTheRequiredLength()
{
const string Field = _FieldToPad;
const int RequiredLength = 4;
var paddedField = NachaUtil.GetPaddedField(Field, RequiredLength);
paddedField.Length.Should().Be(RequiredLength, "no padding should be added when original field length equals the required length");
}
public void GetPaddedField_FieldIsNotEmptyAndRequiredLengthIsGreaterThanFieldLength_ResultLengthShouldEqualTheRequiredLength()
{
const string Field = _FieldToPad;
const int RequiredLength = 5;
var paddedField = NachaUtil.GetPaddedField(Field, RequiredLength);
paddedField.Length.Should().Be(RequiredLength, "fields should be padded with empty space when appropriate");
}
public void GetPaddedField_FieldIsNotEmptyAndRequiredLengthIsLessThanFieldLength_ResultLengthShouldEqualTheRequiredLength()
{
const string Field = _FieldToPad;
const int RequiredLength = 1;
var paddedField = NachaUtil.GetPaddedField(Field, RequiredLength);
paddedField.Length.Should().Be(RequiredLength, "fields should be truncated if requested");
}
public void GetPaddedField_FieldIsEmpty_ResultLengthShouldEqualTheRequiredLength()
{
var field = String.Empty;
const int RequiredLength = 1;
var paddedField = NachaUtil.GetPaddedField(field, RequiredLength);
paddedField.Length.Should().Be(RequiredLength, "empty fields should be padded with empty space");
}
