public void GetDefaultOptionsFromProcessingContext_AlwaysReturnsInstanceEvenIfSetToNull()
{
var config = new Configuration();
var context = new FakeImageOperationsProvider.FakeImageOperations <Rgba32>(config, null, true);
context.SetGraphicsOptions((GraphicsOptions)null);
var ctxOptions = context.GetGraphicsOptions();
Assert.NotNull(ctxOptions);
}
public void SetDefaultOptionsOnProcessingContext()
{
var option = new GraphicsOptions();
var config = new Configuration();
var context = new FakeImageOperationsProvider.FakeImageOperations <Rgba32>(config, null, true);
context.SetGraphicsOptions(option);
// sets the prop on the processing context not on the configuration
Assert.Equal(option, context.Properties[typeof(GraphicsOptions)]);
Assert.DoesNotContain(typeof(GraphicsOptions), config.Properties.Keys);
}
public void UpdateDefaultOptionsOnProcessingContext_AlwaysNewInstance()
{
var option = new GraphicsOptions()
{
BlendPercentage = 0.9f
};
var config = new Configuration();
var context = new FakeImageOperationsProvider.FakeImageOperations <Rgba32>(config, null, true);
context.SetGraphicsOptions(option);
context.SetGraphicsOptions(o =>
{
Assert.Equal(0.9f, o.BlendPercentage); // has origional values
o.BlendPercentage = 0.4f;
});
var returnedOption = context.GetGraphicsOptions();
Assert.Equal(0.4f, returnedOption.BlendPercentage);
Assert.Equal(0.9f, option.BlendPercentage); // hasn't been mutated
}
