Macro soft_assert_eq_or_log 

macro_rules! soft_assert_eq_or_log {
    ($left:expr, $right:expr) => { ... };
    ($left:expr, $right:expr, $($arg:tt)+) => { ... };
}

Asserts that two expressions are equal to each other if soft assertions are enabled, or logs an error if soft assertions are disabled and the two expressions are not equal.