68 lines
2.2 KiB
Rust
68 lines
2.2 KiB
Rust
use rhai::{Engine, EvalAltResult, ParseErrorType, INT};
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#[test]
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fn test_assignments() -> Result<(), Box<EvalAltResult>> {
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let engine = Engine::new();
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assert_eq!(engine.eval::<INT>("let x = 42; x = 123; x")?, 123);
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assert_eq!(engine.eval::<INT>("let x = 42; x += 123; x")?, 165);
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#[cfg(not(feature = "no_index"))]
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assert_eq!(engine.eval::<INT>("let x = [42]; x[0] += 123; x[0]")?, 165);
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#[cfg(not(feature = "no_object"))]
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assert_eq!(engine.eval::<INT>("let x = #{a:42}; x.a += 123; x.a")?, 165);
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Ok(())
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}
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#[test]
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fn test_assignments_bad_lhs() -> Result<(), Box<EvalAltResult>> {
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let engine = Engine::new();
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assert_eq!(
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*engine.compile("(x+y) = 42;").unwrap_err().err_type(),
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ParseErrorType::AssignmentToInvalidLHS(String::new())
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);
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assert_eq!(
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*engine.compile("foo(x) = 42;").unwrap_err().err_type(),
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ParseErrorType::AssignmentToInvalidLHS(String::new())
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);
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assert_eq!(
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*engine.compile("true = 42;").unwrap_err().err_type(),
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ParseErrorType::AssignmentToConstant(String::new())
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);
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assert_eq!(
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*engine.compile("123 = 42;").unwrap_err().err_type(),
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ParseErrorType::AssignmentToConstant(String::new())
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);
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#[cfg(not(feature = "no_object"))]
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{
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assert_eq!(
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*engine.compile("x.foo() = 42;").unwrap_err().err_type(),
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ParseErrorType::AssignmentToInvalidLHS(String::new())
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);
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assert_eq!(
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*engine.compile("x.foo().x.y = 42;").unwrap_err().err_type(),
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ParseErrorType::AssignmentToInvalidLHS(String::new())
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);
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assert_eq!(
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*engine.compile("x.y.z.foo() = 42;").unwrap_err().err_type(),
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ParseErrorType::AssignmentToInvalidLHS(String::new())
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);
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#[cfg(not(feature = "no_index"))]
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assert_eq!(
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*engine.compile("x.foo()[0] = 42;").unwrap_err().err_type(),
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ParseErrorType::AssignmentToInvalidLHS(String::new())
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);
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#[cfg(not(feature = "no_index"))]
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assert_eq!(
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*engine.compile("x[y].z.foo() = 42;").unwrap_err().err_type(),
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ParseErrorType::AssignmentToInvalidLHS(String::new())
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);
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}
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Ok(())
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}
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