1package matchers
 2
 3import (
 4	"reflect"
 5
 6	"github.com/onsi/gomega/format"
 7)
 8
 9type BeZeroMatcher struct {
10}
11
12func (matcher *BeZeroMatcher) Match(actual interface{}) (success bool, err error) {
13	if actual == nil {
14		return true, nil
15	}
16	zeroValue := reflect.Zero(reflect.TypeOf(actual)).Interface()
17
18	return reflect.DeepEqual(zeroValue, actual), nil
19
20}
21
22func (matcher *BeZeroMatcher) FailureMessage(actual interface{}) (message string) {
23	return format.Message(actual, "to be zero-valued")
24}
25
26func (matcher *BeZeroMatcher) NegatedFailureMessage(actual interface{}) (message string) {
27	return format.Message(actual, "not to be zero-valued")
28}