public void Throws_when_type_conversion_would_overflow()
{
var generator = new InMemoryIntegerValueGenerator <byte>(0);
for (var i = 1; i < 256; i++)
{
generator.Next(null);
}
Assert.Throws <OverflowException>(() => generator.Next(null));
}
public void Throws_when_type_conversion_would_overflow()
{
var generator = new InMemoryIntegerValueGenerator<byte>();
for (var i = 1; i < 256; i++)
{
generator.Next();
}
Assert.Throws<OverflowException>(() => generator.Next());
}
public void Creates_values()
{
var generator = new InMemoryIntegerValueGenerator <int>(0);
Assert.Equal(1, generator.Next(null));
Assert.Equal(2, generator.Next(null));
Assert.Equal(3, generator.Next(null));
Assert.Equal(4, generator.Next(null));
Assert.Equal(5, generator.Next(null));
Assert.Equal(6, generator.Next(null));
generator = new InMemoryIntegerValueGenerator <int>(0);
Assert.Equal(1, generator.Next(null));
Assert.Equal(2, generator.Next(null));
}
public void Creates_values()
{
var generator = new InMemoryIntegerValueGenerator<int>();
Assert.Equal(1, generator.Next());
Assert.Equal(2, generator.Next());
Assert.Equal(3, generator.Next());
Assert.Equal(4, generator.Next());
Assert.Equal(5, generator.Next());
Assert.Equal(6, generator.Next());
generator = new InMemoryIntegerValueGenerator<int>();
Assert.Equal(1, generator.Next());
Assert.Equal(2, generator.Next());
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public virtual InMemoryIntegerValueGenerator <TProperty> GetIntegerValueGenerator <TProperty>(IProperty property)
{
if (_integerGenerators == null)
{
_integerGenerators = new Dictionary <int, IInMemoryIntegerValueGenerator>();
}
var propertyIndex = property.GetIndex();
if (!_integerGenerators.TryGetValue(propertyIndex, out var generator))
{
generator = new InMemoryIntegerValueGenerator <TProperty>(propertyIndex);
_integerGenerators[propertyIndex] = generator;
foreach (var row in _rows.Values)
{
generator.Bump(row);
}
}
return((InMemoryIntegerValueGenerator <TProperty>)generator);
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public virtual InMemoryIntegerValueGenerator <TProperty> GetIntegerValueGenerator <TProperty>(IProperty property)
{
if (_integerGenerators == null)
{
_integerGenerators = new Dictionary <int, IInMemoryIntegerValueGenerator>();
}
// WARNING: The in-memory provider is using EF internal code here. This should not be copied by other providers. See #15096
var propertyIndex = EntityFrameworkCore.Metadata.Internal.PropertyBaseExtensions.GetIndex(property);
if (!_integerGenerators.TryGetValue(propertyIndex, out var generator))
{
generator = new InMemoryIntegerValueGenerator <TProperty>(propertyIndex);
_integerGenerators[propertyIndex] = generator;
foreach (var row in _rows.Values)
{
generator.Bump(row);
}
}
return((InMemoryIntegerValueGenerator <TProperty>)generator);
}
