public void DeleteMaterial_NullMaterial_ExpectArgumentNullException()
{
//Arrange
var modelProblem = new ModelProblem("problem");
//Act
//Assert
Assert.Throws <ArgumentNullException>(() => modelProblem.DeleteMaterial(null));
}
public void DeleteMaterial_MaterialIsUsedByElement_ExpectInvalidOperationException()
{
//Arrange
var modelProblem = new ModelProblem("problem");
var element = modelProblem.AddElement(modelProblem.AddNode(), modelProblem.AddNode());
//Act
//Assert
Assert.Throws <InvalidOperationException>(() => modelProblem.DeleteMaterial(element.Material));
}
public void DeleteMaterial_MaterialDoesExistInProblem_ExpectMaterialRemovedFromCollection()
{
//Arrange
var modelProblem = new ModelProblem("problem");
var material = modelProblem.AddMaterial();
//Act
modelProblem.DeleteMaterial(material);
//Assert
Assert.That(modelProblem.Materials, Is.Empty);
}
public void DeleteMaterial_MaterialDoesNotExistInProblem_ExpectNothingHappens()
{
//Arrange
var modelProblem = new ModelProblem("problem");
var otherProblem = new ModelProblem("otherProblem");
var strayMaterial = new ModelMaterial(otherProblem, 666, "strayMaterial", 1);
//Act
modelProblem.DeleteMaterial(strayMaterial);
//Assert
Assert.That(modelProblem.Materials, Is.Empty);
}
public void DeleteMaterial_ProblemWithSeveralMaterials_ExpectMaterialIdsAreCorrect()
{
//Arrange
var modelProblem = new ModelProblem("problem");
var material1 = modelProblem.AddMaterial();
var material2 = modelProblem.AddMaterial();
var material3 = modelProblem.AddMaterial();
var material4 = modelProblem.AddMaterial();
var material5 = modelProblem.AddMaterial();
//Act
modelProblem.DeleteMaterial(material1);
//Assert
Assert.AreEqual(material2.Id, 1);
Assert.AreEqual(material3.Id, 2);
Assert.AreEqual(material4.Id, 3);
Assert.AreEqual(material5.Id, 4);
}