public void CreateDoubleFieldReturnsExpectedResult()
{
var name = _fixture.Create <DbaseFieldName>();
var length = _fixture.GenerateDbaseDoubleLength();
var decimalCount = _fixture.GenerateDbaseDoubleDecimalCount(length);
var positiveIntegerDigits = decimalCount != new DbaseDecimalCount(0)
? new DbaseIntegerDigits(length.ToInt32() - 1 - decimalCount.ToInt32())
: new DbaseIntegerDigits(length.ToInt32());
var negativeIntegerDigits = positiveIntegerDigits != new DbaseIntegerDigits(0)
? positiveIntegerDigits.Minus(new DbaseIntegerDigits(1))
: new DbaseIntegerDigits(0);
var result = DbaseField.CreateNumberField(
name,
length,
decimalCount);
Assert.Equal(name, result.Name);
Assert.Equal(DbaseFieldType.Number, result.FieldType);
Assert.Equal(ByteOffset.Initial, result.Offset);
Assert.Equal(length, result.Length);
Assert.Equal(decimalCount, result.DecimalCount);
Assert.Equal(positiveIntegerDigits, result.PositiveIntegerDigits);
Assert.Equal(negativeIntegerDigits, result.NegativeIntegerDigits);
}
public FakeDbaseSchema()
{
Fields = new[]
{
DbaseField.CreateNumberField(new DbaseFieldName(nameof(Id)), new DbaseFieldLength(4), new DbaseDecimalCount(0))
};
}
public void CreateDoubleFieldThrowsWhenDecimalCountGreaterThanZeroAndLengthSmallerThan3(int smallerThan3)
{
var name = _fixture.Create <DbaseFieldName>();
var length = new DbaseFieldLength(smallerThan3);
var decimalCount = new DbaseDecimalCount(1);
Assert.Throws <ArgumentException>(() => DbaseField.CreateNumberField(
name,
length,
decimalCount));
}
public void CreateDoubleFieldThrowsWhenDecimalCountGreaterThanOrEqualToLength(int plus)
{
var name = _fixture.Create <DbaseFieldName>();
var length = _fixture.GenerateDbaseDoubleLength();
var decimalCount = new DbaseDecimalCount(length.ToInt32()).Plus(new DbaseDecimalCount(plus));
Assert.Throws <ArgumentException>(() => DbaseField.CreateNumberField(
name,
length,
decimalCount));
}
public void AcceptsInt16ValueReturnsExpectedResult(int length, short value, bool accepted)
{
var sut = new DbaseNumber(
DbaseField.CreateNumberField(
_fixture.Create <DbaseFieldName>(),
new DbaseFieldLength(length),
new DbaseDecimalCount(0)
));
var result = sut.AcceptsValue(value);
Assert.Equal(accepted, result);
}
public void TrySetValueAsNullableInt16ReturnsExpectedResult(int length, short?value, bool expected)
{
var sut = new DbaseNumber(
DbaseField.CreateNumberField(
_fixture.Create <DbaseFieldName>(),
new DbaseFieldLength(length),
new DbaseDecimalCount(0)
));
var result = sut.TrySetValueAsNullableInt16(value);
Assert.Equal(expected, result);
}
public void TryGetValueAsInt32ReturnsExpectedResult(int length, double?value, bool gotten, int gottenValueAsInt32)
{
var sut = new DbaseNumber(
DbaseField.CreateNumberField(
_fixture.Create <DbaseFieldName>(),
new DbaseFieldLength(length),
new DbaseDecimalCount(0)
), value);
var result = sut.TryGetValueAsInt32(out var valueAsInt32);
Assert.Equal(gotten, result);
Assert.Equal(gottenValueAsInt32, valueAsInt32);
}
public void SetValueAsNullableInt16ReturnsExpectedResult(int length, short?value, bool expected)
{
var sut = new DbaseNumber(
DbaseField.CreateNumberField(
_fixture.Create <DbaseFieldName>(),
new DbaseFieldLength(length),
new DbaseDecimalCount(0)
));
if (!expected)
{
Assert.Throws <FormatException>(() =>
{
sut.ValueAsNullableInt16 = value;
});
}
else
{
sut.ValueAsNullableInt16 = value;
}
}
public void GetValueAsNullableInt16ReturnsExpectedResult(int length, double?value, bool gotten, short?gottenValueAsInt16)
{
var sut = new DbaseNumber(
DbaseField.CreateNumberField(
_fixture.Create <DbaseFieldName>(),
new DbaseFieldLength(length),
new DbaseDecimalCount(0)
), value);
if (!gotten)
{
Assert.Throws <FormatException>(() =>
{
var _ = sut.ValueAsNullableInt16;
});
}
else
{
var result = sut.ValueAsNullableInt16;
Assert.Equal(gottenValueAsInt16, result);
}
}
