public void GetPropertyMustThrowExceptionWhenPropertyDoesNotExist()
{
using GroupContext context = new GroupContext();
ModelBuilder builder = new ModelBuilder(new ConventionSet());
context.InvokeOnModelCreating(builder);
ArgumentException exception = Assert.Throws <ArgumentException>(() => GetProperty <Group>(builder, "Id"));
Assert.Equal("Collection does not contain expected value.", exception.Message);
}
public void GetIndexMustThrowExceptionWhenIndexDoesNotExist()
{
using GroupContext context = new GroupContext();
ModelBuilder builder = new ModelBuilder(new ConventionSet());
context.InvokeOnModelCreating(builder);
ArgumentNullException exception = Assert.Throws <ArgumentNullException>(() => GetIndex <Group>(builder, "Id"));
Assert.Equal("Value cannot be null. (Parameter 'actual')", exception.Message);
}
