Macro frame_support::assert_noop[][src]

macro_rules! assert_noop {
    ($x : expr, $y : expr $(,) ?) => { ... };
}
Expand description

Evaluate an expression, assert it returns an expected Err value and that runtime storage has not been mutated (i.e. expression is a no-operation).

Used as assert_noop(expression_to_assert, expected_error_expression).