60 lines
1.8 KiB
Rust
60 lines
1.8 KiB
Rust
use rhai::{Engine, EvalAltResult, INT};
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#[test]
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fn test_mismatched_op() {
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let engine = Engine::new();
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assert!(matches!(
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*engine.eval::<INT>(r#""hello, " + "world!""#).expect_err("expects error"),
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EvalAltResult::ErrorMismatchOutputType(need, actual, ..) if need == std::any::type_name::<INT>() && actual == "string"
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));
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}
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#[test]
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#[cfg(not(feature = "no_object"))]
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fn test_mismatched_op_custom_type() -> Result<(), Box<EvalAltResult>> {
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#[allow(dead_code)] // used inside `register_type_with_name`
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#[derive(Debug, Clone)]
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struct TestStruct {
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x: INT,
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}
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impl TestStruct {
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fn new() -> Self {
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Self { x: 1 }
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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_with_name::<TestStruct>("TestStruct")
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.register_fn("new_ts", TestStruct::new);
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assert!(matches!(*engine.eval::<bool>(
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"
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let x = new_ts();
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let y = new_ts();
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x == y
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").expect_err("should error"),
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EvalAltResult::ErrorFunctionNotFound(f, ..) if f == "== (TestStruct, TestStruct)"));
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assert!(
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matches!(*engine.eval::<bool>("new_ts() == 42").expect_err("should error"),
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EvalAltResult::ErrorFunctionNotFound(f, ..) if f.starts_with("== (TestStruct, "))
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);
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assert!(matches!(
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*engine.eval::<INT>("60 + new_ts()").expect_err("should error"),
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EvalAltResult::ErrorFunctionNotFound(f, ..) if f == format!("+ ({}, TestStruct)", std::any::type_name::<INT>())
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));
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assert!(matches!(
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*engine.eval::<TestStruct>("42").expect_err("should error"),
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EvalAltResult::ErrorMismatchOutputType(need, actual, ..)
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if need == "TestStruct" && actual == std::any::type_name::<INT>()
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));
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Ok(())
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}
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