1 package matchers_test
2
3 import (
4 . "github.com/onsi/ginkgo/v2"
5 . "github.com/onsi/gomega"
6 . "github.com/onsi/gomega/matchers"
7 )
8
9 var _ = Describe("BeEmpty", func() {
10 When("passed a supported type", func() {
11 It("should do the right thing", func() {
12 Expect("").Should(BeEmpty())
13 Expect(" ").ShouldNot(BeEmpty())
14
15 Expect([0]int{}).Should(BeEmpty())
16 Expect([1]int{1}).ShouldNot(BeEmpty())
17
18 Expect([]int{}).Should(BeEmpty())
19 Expect([]int{1}).ShouldNot(BeEmpty())
20
21 Expect(map[string]int{}).Should(BeEmpty())
22 Expect(map[string]int{"a": 1}).ShouldNot(BeEmpty())
23
24 c := make(chan bool, 1)
25 Expect(c).Should(BeEmpty())
26 c <- true
27 Expect(c).ShouldNot(BeEmpty())
28 })
29 })
30
31 When("passed a correctly typed nil", func() {
32 It("should be true", func() {
33 var nilSlice []int
34 Expect(nilSlice).Should(BeEmpty())
35
36 var nilMap map[int]string
37 Expect(nilMap).Should(BeEmpty())
38 })
39 })
40
41 When("passed an unsupported type", func() {
42 It("should error", func() {
43 success, err := (&BeEmptyMatcher{}).Match(0)
44 Expect(success).Should(BeFalse())
45 Expect(err).Should(HaveOccurred())
46
47 success, err = (&BeEmptyMatcher{}).Match(nil)
48 Expect(success).Should(BeFalse())
49 Expect(err).Should(HaveOccurred())
50 })
51 })
52 })
53
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