public void DoubleValidator_IsValid_NullPropertyName()
{
DoubleValidator validator = new DoubleValidator(1, true, 10, true);
string errorMessage;
Assert.Throws <ArgumentException>(() => validator.IsValid(2, null, null, out errorMessage));
Assert.Throws <ArgumentException>(() => validator.IsValid(2, String.Empty, null, out errorMessage));
}
public void DoubleValidator_IsValid_EqualMinMax()
{
DoubleValidator validator = new DoubleValidator(1, true, 1, true);
bool result = validator.IsValid(2, "Property", null, out _);
Assert.False(result);
}
public void DoubleValidator_IsValid_WrongType()
{
DoubleValidator validator = new DoubleValidator(1, true, 10, true);
bool result = validator.IsValid("x", "Property", null, out _);
Assert.False(result);
}
/// <summary>
/// Verifies the input.
/// </summary>
/// <param name="sender">Input TextBox.</param>
/// <param name="e">TextCompositionEventArgs</param>
private static void OnPreviewInputText(object sender, TextCompositionEventArgs e)
{
var textBox = (TextBox)sender;
// If text box contains selected text we should replace it with e.Text
string fullText = textBox.SelectionLength > 0
? textBox.Text.Replace(textBox.SelectedText, e.Text)
: textBox.Text.Insert(textBox.CaretIndex, e.Text);
e.Handled = !DoubleValidator.IsValid(fullText);
}
public static Int64 ConvertToInt64(object objValue, params Int64[] lstDefautValue)
{
Int64 nDefault = 0;
if (lstDefautValue.Length > 0)
{
nDefault = lstDefautValue[0];
}
if (objValue == System.DBNull.Value)
{
return(nDefault);
}
string strValue = Convert.ToString(objValue);
strValue = strValue.Replace("+", "");
DoubleValidator val = new DoubleValidator();
val.IsCanNull = false;
if (val.IsValid(strValue) == false)
{
return(nDefault);
}
Int64 nRight = 0;
Int64 nValue = 0;
if (strValue.IndexOf(".") > 0)
{
nRight = Convert.ToInt64(Math.Round(Convert.ToDouble(strValue.Substring(strValue.IndexOf(".") - 1)), 0)); // 四舍六入五成双
nValue = Convert.ToInt64(strValue.Substring(0, strValue.IndexOf(".") - 1) + "0") + nRight;
}
else
{
nValue = Convert.ToInt64(strValue);
}
return(nValue);
}
public static int ConvertToInt32(object objValue, params int[] lstDefautValue)
{
int nDefault = 0;
if (lstDefautValue.Length > 0)
{
nDefault = lstDefautValue[0];
}
if (objValue == System.DBNull.Value || objValue == null)
{
return(nDefault);
}
string strValue = Convert.ToString(objValue);
strValue = strValue.Replace("+", "");
DoubleValidator val = new DoubleValidator();
val.IsCanNull = false;
if (val.IsValid(strValue) == false)
{
return(nDefault);
}
double dValue = Math.Round(Convert.ToDouble(strValue), 0); // 四舍六入五成双
Int64 nLong = Convert.ToInt64(dValue);
int nRet = nDefault;
if (nLong > Int32.MaxValue)
{
nRet = Convert.ToInt32(Int32.MaxValue - nLong);
}
else
{
nRet = Convert.ToInt32(nLong);
}
return(nRet);
}
public void DoubleValidator_IsValid()
{
double min = 50;
bool isMinInclusive = true;
double max = 100;
bool isMaxInclusive = true;
DoubleValidator validator = new DoubleValidator(min, isMinInclusive, max, isMaxInclusive);
bool isValid = validator.IsValid(49, "foo", null, out _);
Assert.False(isValid, "IsValid returned incorrect value.");
isValid = validator.IsValid(49.999, "foo", null, out _);
Assert.False(isValid, "IsValid returned incorrect value.");
isValid = validator.IsValid(50, "foo", null, out _);
Assert.True(isValid, "IsValid returned incorrect value.");
isValid = validator.IsValid(75, "foo", null, out _);
Assert.True(isValid, "IsValid returned incorrect value.");
isValid = validator.IsValid(100, "foo", null, out _);
Assert.True(isValid, "IsValid returned incorrect value.");
isValid = validator.IsValid(100.0000001, "foo", null, out _);
Assert.False(isValid, "IsValid returned incorrect value.");
isValid = validator.IsValid(101, "foo", null, out _);
Assert.False(isValid, "IsValid returned incorrect value.");
PrivateObject accessor = new PrivateObject(validator);
accessor.SetField("isMinValueInclusive", false);
isValid = validator.IsValid(50, "foo", null, out _);
Assert.False(isValid, "IsValid returned incorrect value.");
isValid = validator.IsValid(50.00001, "foo", null, out _);
Assert.True(isValid, "IsValid returned incorrect value.");
accessor.SetField("isMaxValueInclusive", false);
isValid = validator.IsValid(100, "foo", null, out _);
Assert.False(isValid, "IsValid returned incorrect value.");
isValid = validator.IsValid(99.99999, "foo", null, out _);
Assert.True(isValid, "IsValid returned incorrect value.");
}