public void ShouldReturnNullWhenElementIsNull()
{
var document = new XmlDocument();
var scriptVariables = new ScriptVariables(document);
var result = scriptVariables.GetDoubleArray(null);
Assert.IsNull(result);
}
public void ShouldReturnNullWhenElementHasNoVariableAttribute()
{
var document = new XmlDocument();
var scriptVariables = new ScriptVariables(document);
var element = document.CreateElement("test");
var result = scriptVariables.GetDoubleArray(element);
Assert.IsNull(result);
}
public void ShouldReturnNullWhenVariableValueIsInvalid()
{
var document = new XmlDocument();
document.LoadXml("<test foo=\"{$foo}\"/>");
var scriptVariables = new ScriptVariables(document);
var element = document.CreateElement("test");
element.SetAttribute("variable", "bar");
var result = scriptVariables.GetDoubleArray(element);
Assert.IsNull(result);
}
public void ShouldThrowExceptionWhenVariableNameIsInvalid()
{
var document = new XmlDocument();
document.LoadXml("<test foo=\"{$foo}\"/>");
var scriptVariables = new ScriptVariables(document);
var element = document.CreateElement("test");
element.SetAttribute("variable", "{$bar}");
ExceptionAssert.Throws <InvalidOperationException>(() =>
{
scriptVariables.GetDoubleArray(element);
}, "Invalid variable name: bar");
}
public void ShouldThrowExceptionWhenVariableTypeIsIncorrect()
{
var document = new XmlDocument();
document.LoadXml("<test foo=\"{$foo}\"/>");
var scriptVariables = new ScriptVariables(document);
scriptVariables.Set("foo", new string[] { });
var element = document.CreateElement("test");
element.SetAttribute("variable", "{$foo}");
ExceptionAssert.Throws <InvalidOperationException>(() =>
{
scriptVariables.GetDoubleArray(element);
}, "The value of variable 'foo' is not a double[].");
}
public void ShouldReturnValue()
{
var document = new XmlDocument();
document.LoadXml("<test foo=\"{$foo}\"/>");
var scriptVariables = new ScriptVariables(document);
scriptVariables.Set("foo", new double[] { 42 });
var element = document.CreateElement("test");
element.SetAttribute("variable", "{$foo}");
var result = scriptVariables.GetDoubleArray(element);
Assert.IsNotNull(result);
Assert.AreEqual(42.0, result[0]);
}