164 lines
3.8 KiB
Rust
164 lines
3.8 KiB
Rust
#![cfg(not(feature = "no_object"))]
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use rhai::{Engine, EvalAltResult, ImmutableString, INT};
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#[test]
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fn test_get_set() -> Result<(), Box<EvalAltResult>> {
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#[derive(Clone)]
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struct TestStruct {
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x: INT,
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y: INT,
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array: Vec<INT>,
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}
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impl TestStruct {
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fn get_x(&mut self) -> INT {
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self.x
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}
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fn set_x(&mut self, new_x: INT) {
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self.x = new_x;
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}
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fn get_y(&mut self) -> INT {
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self.y
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}
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fn new() -> Self {
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Self {
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x: 1,
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y: 0,
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array: vec![1, 2, 3, 4, 5],
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}
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}
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}
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let mut engine = Engine::new();
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engine.register_type::<TestStruct>();
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engine.register_get_set("x", TestStruct::get_x, TestStruct::set_x);
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engine.register_get("y", TestStruct::get_y);
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engine.register_fn("add", |value: &mut INT| *value += 41);
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engine.register_fn("new_ts", TestStruct::new);
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assert_eq!(engine.eval::<INT>("let a = new_ts(); a.x = 500; a.x")?, 500);
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assert_eq!(engine.eval::<INT>("let a = new_ts(); a.x.add(); a.x")?, 42);
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assert_eq!(engine.eval::<INT>("let a = new_ts(); a.y.add(); a.y")?, 0);
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#[cfg(not(feature = "no_index"))]
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{
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engine.register_indexer_get_set(
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|value: &mut TestStruct, index: ImmutableString| value.array[index.len()],
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|value: &mut TestStruct, index: ImmutableString, new_val: INT| {
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value.array[index.len()] = new_val
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},
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);
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assert_eq!(engine.eval::<INT>(r#"let a = new_ts(); a["abc"]"#)?, 4);
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assert_eq!(
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engine.eval::<INT>(r#"let a = new_ts(); a["abc"] = 42; a["abc"]"#)?,
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42
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);
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}
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Ok(())
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}
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#[test]
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fn test_get_set_chain() -> Result<(), Box<EvalAltResult>> {
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#[derive(Clone)]
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struct TestChild {
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x: INT,
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}
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impl TestChild {
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fn get_x(&mut self) -> INT {
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self.x
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}
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fn set_x(&mut self, new_x: INT) {
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self.x = new_x;
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}
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fn new() -> TestChild {
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TestChild { x: 1 }
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}
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}
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#[derive(Clone)]
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struct TestParent {
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child: TestChild,
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}
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impl TestParent {
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fn get_child(&mut self) -> TestChild {
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self.child.clone()
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}
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fn set_child(&mut self, new_child: TestChild) {
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self.child = new_child;
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}
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fn new() -> TestParent {
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TestParent {
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child: TestChild::new(),
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}
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}
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}
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let mut engine = Engine::new();
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engine.register_type::<TestChild>();
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engine.register_type_with_name::<TestParent>("TestParent");
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engine.register_get_set("x", TestChild::get_x, TestChild::set_x);
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engine.register_get_set("child", TestParent::get_child, TestParent::set_child);
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engine.register_fn("new_tp", TestParent::new);
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assert_eq!(
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engine.eval::<INT>("let a = new_tp(); a.child.x = 500; a.child.x")?,
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500
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);
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assert_eq!(
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engine.eval::<String>("let a = new_tp(); type_of(a)")?,
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"TestParent"
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);
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Ok(())
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}
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#[test]
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fn test_get_set_op_assignment() -> Result<(), Box<EvalAltResult>> {
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#[derive(Clone, Debug, Eq, PartialEq)]
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struct Num(INT);
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impl Num {
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fn get(&mut self) -> INT {
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self.0
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}
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fn set(&mut self, x: INT) {
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self.0 = x;
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}
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}
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let mut engine = Engine::new();
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engine
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.register_type::<Num>()
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.register_fn("new_ts", || Num(40))
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.register_get_set("v", Num::get, Num::set);
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assert_eq!(
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engine.eval::<Num>("let a = new_ts(); a.v = a.v + 2; a")?,
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Num(42)
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);
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assert_eq!(
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engine.eval::<Num>("let a = new_ts(); a.v += 2; a")?,
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Num(42)
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);
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Ok(())
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}
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