Use matches! in examples.

This commit is contained in:
Stephen Chung
2020-03-14 23:40:30 +08:00
parent b9e4040635
commit 6e076c409d
6 changed files with 98 additions and 84 deletions

View File

@@ -6,18 +6,16 @@ fn test_constant() -> Result<(), EvalAltResult> {
assert_eq!(engine.eval::<i64>("const x = 123; x")?, 123);
match engine.eval::<i64>("const x = 123; x = 42;") {
Err(EvalAltResult::ErrorAssignmentToConstant(var, _)) if var == "x" => (),
Err(err) => return Err(err),
Ok(_) => panic!("expecting compilation error"),
}
assert!(
matches!(engine.eval::<i64>("const x = 123; x = 42;").expect_err("expects error"),
EvalAltResult::ErrorAssignmentToConstant(var, _) if var == "x")
);
#[cfg(not(feature = "no_index"))]
match engine.eval::<i64>("const x = [1, 2, 3, 4, 5]; x[2] = 42;") {
Err(EvalAltResult::ErrorAssignmentToConstant(var, _)) if var == "x" => (),
Err(err) => return Err(err),
Ok(_) => panic!("expecting compilation error"),
}
assert!(
matches!(engine.eval::<i64>("const x = [1, 2, 3, 4, 5]; x[2] = 42;").expect_err("expects error"),
EvalAltResult::ErrorAssignmentToConstant(var, _) if var == "x")
);
Ok(())
}