public void Convert_StringProvided_ThrowsCastException()
{
var converter = new DoubleToStringConverter();
Assert.Throws <InvalidCastException>(
() => converter.Convert("hello", null, null, null));
}
public void Convert_NonZero_ReturnsString()
{
var converter = new DoubleToStringConverter();
var result = converter.Convert(3.14D, null, null, null);
Assert.AreEqual("3,14", result);
}
public void Convert_Zero_ReturnsEmptyString()
{
var converter = new DoubleToStringConverter();
var result = converter.Convert(0d, null, null, null);
Assert.AreEqual("", result);
}
public void Convert_DoubleNumber_AppropriateString()
{
//arrange
string expected = "36.457";
//action
string actual = Target.Convert(36.457, typeof(String), null, CultureInfo.InvariantCulture) as String;
//assert
Assert.AreEqual(expected, actual);
}
public void verify_method_Convert_returns_correct_value()
{
var dtsConverter = new DoubleToStringConverter();
Assert.That(dtsConverter.Convert(
12.3, // double to convert
typeof(String),
null, // no parameters
System.Globalization.CultureInfo.CurrentCulture).Equals(d1.ToString(System.Globalization.CultureInfo.CurrentCulture)));
Assert.That(dtsConverter.Convert(
12, // int to convert - OK
typeof(String),
null, // no parameters
System.Globalization.CultureInfo.CurrentCulture).Equals(d2.ToString(System.Globalization.CultureInfo.CurrentCulture)));
var exception = Assert.Throws <ArgumentException>(() => dtsConverter.Convert(
"string", // string not a double
typeof(String),
null, // no parameters
System.Globalization.CultureInfo.CurrentCulture));
Assert.That(exception.Message, Is.EqualTo(StringLookup.GetLocalizedString("Exception_DoubleOrInt")));
}
public void ShouldReturnUnsetValueIfConvertingNull()
{
var result = _converter.Convert(null, typeof(string), null, CultureInfo.InvariantCulture);
Assert.AreEqual(DependencyProperty.UnsetValue, result);
}
