121 lines
3.0 KiB
Rust
121 lines
3.0 KiB
Rust
use rhai::{Dynamic, Engine, EvalAltResult, Scope, INT};
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#[test]
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fn test_switch() -> Result<(), Box<EvalAltResult>> {
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let engine = Engine::new();
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let mut scope = Scope::new();
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scope.push("x", 42 as INT);
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assert_eq!(
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engine.eval_with_scope::<bool>(&mut scope, "switch x { 1 => (), 2 => 'a', 42 => true }")?,
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true
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);
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assert_eq!(
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engine.eval_with_scope::<bool>(&mut scope, "switch x { 1 => (), 2 => 'a', _ => true }")?,
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true
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);
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assert_eq!(
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engine.eval_with_scope::<()>(&mut scope, "switch x { 1 => 123, 2 => 'a' }")?,
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()
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);
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assert_eq!(
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engine.eval_with_scope::<INT>(
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&mut scope,
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"switch x { 1 => 123, 42 => { x / 2 }, _ => 999 }"
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)?,
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21
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);
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#[cfg(not(feature = "no_index"))]
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assert_eq!(
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engine.eval_with_scope::<INT>(
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&mut scope,
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r"
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let y = [1, 2, 3];
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switch y {
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42 => 1,
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true => 2,
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[1, 2, 3] => 3,
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_ => 9
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}
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"
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)?,
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3
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);
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#[cfg(not(feature = "no_object"))]
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assert_eq!(
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engine.eval_with_scope::<INT>(
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&mut scope,
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r"
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let y = #{a:1, b:true, c:'x'};
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switch y {
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42 => 1,
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true => 2,
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#{b:true, c:'x', a:1} => 3,
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_ => 9
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}
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"
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)?,
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3
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);
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Ok(())
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}
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#[cfg(not(feature = "no_index"))]
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#[cfg(not(feature = "no_object"))]
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mod test_switch_enum {
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use super::*;
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use rhai::Array;
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#[derive(Debug, Clone)]
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enum MyEnum {
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Foo,
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Bar(INT),
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Baz(String, bool),
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}
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impl MyEnum {
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fn get_enum_data(&mut self) -> Array {
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match self {
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Self::Foo => vec!["Foo".into()] as Array,
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Self::Bar(num) => vec!["Bar".into(), (*num).into()] as Array,
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Self::Baz(name, option) => {
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vec!["Baz".into(), name.clone().into(), (*option).into()] as Array
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}
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}
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}
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}
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#[test]
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fn test_switch_enum() -> Result<(), Box<EvalAltResult>> {
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let mut engine = Engine::new();
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engine
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.register_type_with_name::<MyEnum>("MyEnum")
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.register_get("get_data", MyEnum::get_enum_data);
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let mut scope = Scope::new();
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scope.push("x", MyEnum::Baz("hello".to_string(), true));
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assert_eq!(
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engine.eval_with_scope::<INT>(
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&mut scope,
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r#"
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switch x.get_data {
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["Foo"] => 1,
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["Bar", 42] => 2,
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["Bar", 123] => 3,
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["Baz", "hello", false] => 4,
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["Baz", "hello", true] => 5,
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_ => 9
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}
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"#
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)?,
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5
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);
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Ok(())
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}
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}
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