assert

Function
Common
fun SemanticsNodeInteraction.assert(
    matcher: SemanticsMatcher,
    messagePrefixOnError: (() -> String)? = null,
): SemanticsNodeInteraction

Asserts that the provided matcher is satisfied for this node.

Parameters
matcher Matcher to verify.
messagePrefixOnError Prefix to be put in front of an error that gets thrown in case this assert fails. This can be helpful in situations where this assert fails as part of a bigger operation that used this assert as a precondition check.