//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldNotDropPropertyExistenceConstraintThatDoesNotExistWhenThereIsAUniquePropertyConstraint() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldNotDropPropertyExistenceConstraintThatDoesNotExistWhenThereIsAUniquePropertyConstraint()
{
// given
ConstraintDescriptor constraint;
{
SchemaWrite statement = schemaWriteInNewTransaction();
constraint = statement.UniquePropertyConstraintCreate(Descriptor);
commit();
}
// when
try
{
SchemaWrite statement = schemaWriteInNewTransaction();
statement.ConstraintDrop(ConstraintDescriptorFactory.existsForSchema(constraint.Schema()));
fail("expected exception");
}
// then
catch (DropConstraintFailureException e)
{
assertThat(e.InnerException, instanceOf(typeof(NoSuchConstraintException)));
}
finally
{
rollback();
}
{
// then
Transaction transaction = newTransaction();
IEnumerator <ConstraintDescriptor> constraints = transaction.SchemaRead().constraintsGetForSchema(Descriptor);
assertEquals(constraint, single(constraints));
commit();
}
}
internal override NodeExistenceConstraintDescriptor NewConstraintObject(LabelSchemaDescriptor descriptor)
{
return(ConstraintDescriptorFactory.existsForSchema(descriptor));
}
internal override RelExistenceConstraintDescriptor NewConstraintObject(RelationTypeSchemaDescriptor descriptor)
{
return(ConstraintDescriptorFactory.existsForSchema(descriptor));
}