#![cfg(not(feature = "no_index"))] use rhai::{Array, Engine, EvalAltResult, INT}; #[test] fn test_arrays() -> Result<(), Box> { let engine = Engine::new(); assert_eq!(engine.eval::("let x = [1, 2, 3]; x[1]")?, 2); assert_eq!(engine.eval::("let x = [1, 2, 3,]; x[1]")?, 2); assert_eq!(engine.eval::("let y = [1, 2, 3]; y[1] = 5; y[1]")?, 5); assert_eq!( engine.eval::(r#"let y = [1, [ 42, 88, "93" ], 3]; y[1][2][1]"#)?, '3' ); assert!(engine.eval::("let y = [1, 2, 3]; 2 in y")?); assert_eq!(engine.eval::("let y = [1, 2, 3]; y += 4; y[3]")?, 4); #[cfg(not(feature = "no_object"))] assert_eq!(engine.eval::("let y = [1, 2, 3]; y.push(4); y[3]")?, 4); #[cfg(not(feature = "no_object"))] assert_eq!( engine.eval::( r" let x = [2, 9]; x.insert(-1, 1); x.insert(999, 3); let r = x.remove(2); let y = [4, 5]; x.append(y); x.len + r " )?, 14 ); assert_eq!( engine.eval::( r" let x = [1, 2, 3]; x += [4, 5]; len(x) " )?, 5 ); assert_eq!( engine .eval::( r" let x = [1, 2, 3]; let y = [4, 5]; x + y " )? .len(), 5 ); let mut a = Array::new(); a.push((42 as INT).into()); assert_eq!(a[0].clone_cast::(), 42); Ok(()) } #[test] #[cfg(not(feature = "no_object"))] fn test_array_with_structs() -> Result<(), Box> { #[derive(Clone)] struct TestStruct { x: INT, } impl TestStruct { fn update(&mut self) { self.x += 1000; } fn get_x(&mut self) -> INT { self.x } fn set_x(&mut self, new_x: INT) { self.x = new_x; } fn new() -> Self { Self { x: 1 } } } let mut engine = Engine::new(); engine.register_type::(); engine.register_get_set("x", TestStruct::get_x, TestStruct::set_x); engine.register_fn("update", TestStruct::update); engine.register_fn("new_ts", TestStruct::new); assert_eq!(engine.eval::("let a = [new_ts()]; a[0].x")?, 1); assert_eq!( engine.eval::( r" let a = [new_ts()]; a[0].x = 100; a[0].update(); a[0].x " )?, 1100 ); Ok(()) } #[cfg(not(feature = "no_object"))] #[cfg(not(feature = "no_function"))] #[cfg(not(feature = "no_closure"))] #[test] fn test_arrays_map_reduce() -> Result<(), Box> { let engine = Engine::new(); assert_eq!( engine.eval::( r" let x = [1, 2, 3]; let y = x.filter(|v| v > 2); y[0] " )?, 3 ); assert_eq!( engine.eval::( r" let x = [1, 2, 3]; let y = x.filter(|v, i| v > i); y.len() " )?, 3 ); assert_eq!( engine.eval::( r" let x = [1, 2, 3]; let y = x.map(|v| v * 2); y[2] " )?, 6 ); assert_eq!( engine.eval::( r" let x = [1, 2, 3]; let y = x.map(|v, i| v * i); y[2] " )?, 6 ); assert_eq!( engine.eval::( r#" let x = [1, 2, 3]; x.reduce(|sum, v| if sum.type_of() == "()" { v * v } else { sum + v * v }) "# )?, 14 ); assert_eq!( engine.eval::( r#" let x = [1, 2, 3]; x.reduce(|sum, v, i| { if i == 0 { sum = 10 } sum + v * v }) "# )?, 24 ); assert_eq!( engine.eval::( r#" let x = [1, 2, 3]; x.reduce_rev(|sum, v| if sum.type_of() == "()" { v * v } else { sum + v * v }) "# )?, 14 ); assert_eq!( engine.eval::( r#" let x = [1, 2, 3]; x.reduce_rev(|sum, v, i| { if i == 2 { sum = 10 } sum + v * v }) "# )?, 24 ); assert!(engine.eval::( r#" let x = [1, 2, 3]; x.some(|v| v > 1) "# )?); assert!(engine.eval::( r#" let x = [1, 2, 3]; x.some(|v, i| v * i == 0) "# )?); assert!(!engine.eval::( r#" let x = [1, 2, 3]; x.all(|v| v > 1) "# )?); assert!(engine.eval::( r#" let x = [1, 2, 3]; x.all(|v, i| v > i) "# )?); Ok(()) }