beBlank method
Asserts that a string is either ''
or white space
Implementation
StringAssertions beBlank() {
final trimmed = subject!.trim();
if (isReversed) {
if (trimmed.isEmpty) {
throw ShouldlyTestFailureError(
'\n$subjectLabel\n `$subject`\nshould not be blank\n but does',
);
}
return StringAssertions(subject);
} else {
if (trimmed.isNotEmpty) {
throw ShouldlyTestFailureError(
'\n$subjectLabel\n `$subject`\nshould be blank\n but does not',
);
}
}
return StringAssertions(subject, isReversed: isReversed);
}