81 lines
1.7 KiB
Rust
81 lines
1.7 KiB
Rust
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use rhai::{Engine, EvalAltResult, RegisterFn, INT};
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#[test]
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fn test_fn_ptr() -> Result<(), Box<EvalAltResult>> {
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let mut engine = Engine::new();
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engine.register_fn("bar", |x: &mut INT, y: INT| *x += y);
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#[cfg(not(feature = "no_object"))]
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assert_eq!(
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engine.eval::<INT>(
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r#"
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let f = Fn("bar");
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let x = 40;
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f.call(x, 2);
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x
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"#
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)?,
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40
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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::<INT>(
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r#"
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let f = Fn("bar");
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let x = 40;
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x.call(f, 2);
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x
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"#
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)?,
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42
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);
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assert_eq!(
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engine.eval::<INT>(
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r#"
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let f = Fn("bar");
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let x = 40;
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call(f, x, 2);
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x
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"#
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)?,
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42
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);
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#[cfg(not(feature = "no_function"))]
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#[cfg(not(feature = "no_object"))]
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assert_eq!(
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engine.eval::<INT>(
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r#"
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fn foo(x) { this += x; }
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let f = Fn("foo");
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let x = 40;
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x.call(f, 2);
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x
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"#
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)?,
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42
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);
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#[cfg(not(feature = "no_function"))]
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assert!(matches!(
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*engine
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.eval::<INT>(
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r#"
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fn foo(x) { this += x; }
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let f = Fn("foo");
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call(f, 2);
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x
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"#
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)
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.expect_err("should error"),
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EvalAltResult::ErrorInFunctionCall(fn_name, err, _) if fn_name == "foo" && matches!(*err, EvalAltResult::ErrorUnboundedThis(_))
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));
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Ok(())
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}
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