use { r3vi::{ buffer::singleton::{ SingletonBuffer }, view::port::UpdateTask }, crate::{ repr_tree::{Context, ReprTreeExt, ReprTree, ReprLeaf} }, std::sync::{Arc, RwLock} }; #[test] fn char_view() { let ctx = Arc::new(RwLock::new(Context::new())); crate::editors::digit::init_ctx( ctx.clone() ); let mut rt_digit = ReprTree::new_arc( Context::parse(&ctx, "<Digit 16>") ); rt_digit.insert_leaf( Context::parse(&ctx, "Char"), ReprLeaf::from_singleton_buffer( SingletonBuffer::new('5') ) ); //<><><><> let mut digit_char_buffer = rt_digit .descend( Context::parse(&ctx, "Char") ).unwrap() .singleton_buffer::<char>(); assert_eq!( digit_char_buffer.get(), '5' ); //<><><><> let digit_char_view = rt_digit .descend(Context::parse(&ctx, "Char")).unwrap() .view_char(); assert_eq!( digit_char_view.get_view().unwrap().get(), '5' ); //<><><><> // `Char-view` is correctly coupled to `char-buffer` digit_char_buffer.set('2'); assert_eq!( digit_char_view.get_view().unwrap().get(), '2' ); } #[test] fn digit_projection_char_to_u64() { let ctx = Arc::new(RwLock::new(Context::new())); crate::editors::digit::init_ctx( ctx.clone() ); let mut rt_digit = ReprTree::new_arc( Context::parse(&ctx, "<Digit 16>") ); rt_digit.insert_leaf( Context::parse(&ctx, "Char"), ReprLeaf::from_singleton_buffer( SingletonBuffer::new('5') ) ); //<><><><> // add another representation ctx.read().unwrap().morphisms.apply_morphism( rt_digit.clone(), &Context::parse(&ctx, "<Digit 16>~Char"), &Context::parse(&ctx, "<Digit 16>~ℤ_2^64~machine.UInt64") ); let digit_u64_view = rt_digit .descend(Context::parse(&ctx, "ℤ_2^64~machine.UInt64")).unwrap() .view_u64(); assert_eq!( digit_u64_view.get_view().unwrap().get(), 5 as u64 ); // projection behaves accordingly , when buffer is changed let mut digit_char_buffer = rt_digit .descend( Context::parse(&ctx, "Char") ).unwrap() .singleton_buffer::<char>(); digit_char_buffer.set('2'); assert_eq!( digit_u64_view.get_view().unwrap().get(), 2 as u64 ); } #[test] fn digit_projection_u64_to_char() { let ctx = Arc::new(RwLock::new(Context::new())); crate::editors::digit::init_ctx( ctx.clone() ); let mut rt_digit = ReprTree::new_arc( Context::parse(&ctx, "<Digit 16>") ); rt_digit.insert_leaf( Context::parse(&ctx, "ℤ_2^64~machine.UInt64"), ReprLeaf::from_singleton_buffer( SingletonBuffer::new(5 as u64) ) ); //<><><><> // add another representation ctx.read().unwrap().morphisms.apply_morphism( rt_digit.clone(), &Context::parse(&ctx, "<Digit 16>~ℤ_2^64~machine.UInt64"), &Context::parse(&ctx, "<Digit 16>~Char") ); let digit_u64_view = rt_digit .descend(Context::parse(&ctx, "Char")).unwrap() .view_char(); assert_eq!( digit_u64_view.get_view().unwrap().get(), '5' ); } #[test] fn char_buffered_projection() { let ctx = Arc::new(RwLock::new(Context::new())); crate::editors::digit::init_ctx( ctx.clone() ); let mut rt_digit = ReprTree::new_arc( Context::parse(&ctx, "<Digit 16>") ); rt_digit.insert_leaf( Context::parse(&ctx, "ℤ_2^64~machine.UInt64"), ReprLeaf::from_singleton_buffer( SingletonBuffer::new(8 as u64) ) ); let mut digit_u64_buffer = rt_digit .descend(Context::parse(&ctx, "ℤ_2^64~machine.UInt64")).unwrap() .singleton_buffer::<u64>(); assert_eq!( digit_u64_buffer.get(), 8 ); rt_digit.insert_leaf( Context::parse(&ctx, "Char"), ReprLeaf::from_singleton_buffer( SingletonBuffer::new('5') ) ); let digit_char_buf = rt_digit .descend(Context::parse(&ctx, "Char")).unwrap() .singleton_buffer::<char>(); let digit_char_view = rt_digit .descend(Context::parse(&ctx, "Char")).unwrap() .view_char(); // before setting up the morphism, char-view remains as initialized assert_eq!( digit_char_buf.get(), '5' ); assert_eq!( digit_char_view.get_view().unwrap().get(), '5' ); // now we attach the char-repr to the u64-repr ctx.read().unwrap().morphisms.apply_morphism( rt_digit.clone(), &Context::parse(&ctx, "<Digit 16>~ℤ_2^64~machine.UInt64"), &Context::parse(&ctx, "<Digit 16>~Char") ); // char buffer and view should now follow the u64-buffer assert_eq!( digit_char_view.get_view().unwrap().get(), '8' ); assert_eq!( digit_char_buf.get(), '8' ); // now u64-buffer changes, and char-buffer should change accordingly digit_u64_buffer.set(3); assert_eq!( digit_u64_buffer.get(), 3 ); // char buffer should follow digit_char_view.0.update(); assert_eq!( digit_char_buf.get(), '3' ); assert_eq!( digit_char_view.get_view().unwrap().get(), '3' ); }