1
package matchers
2

3
import (
4
	"github.com/onsi/gomega/types"
5
)
6

7
type NotMatcher struct {
8
	Matcher types.GomegaMatcher
9
}
10

11
func (m *NotMatcher) Match(actual any) (bool, error) {
12
	success, err := m.Matcher.Match(actual)
13
	if err != nil {
14
		return false, err
15
	}
16
	return !success, nil
17
}
18

19
func (m *NotMatcher) FailureMessage(actual any) (message string) {
20
	return m.Matcher.NegatedFailureMessage(actual) // works beautifully
21
}
22

23
func (m *NotMatcher) NegatedFailureMessage(actual any) (message string) {
24
	return m.Matcher.FailureMessage(actual) // works beautifully
25
}
26

27
func (m *NotMatcher) MatchMayChangeInTheFuture(actual any) bool {
28
	return types.MatchMayChangeInTheFuture(m.Matcher, actual) // just return m.Matcher's value
29
}
30

31