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