1 // Copyright (c) 2020 Uber Technologies, Inc.
2 //
3 // Permission is hereby granted, free of charge, to any person obtaining a copy
4 // of this software and associated documentation files (the "Software"), to deal
5 // in the Software without restriction, including without limitation the rights
6 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7 // copies of the Software, and to permit persons to whom the Software is
8 // furnished to do so, subject to the following conditions:
9 //
10 // The above copyright notice and this permission notice shall be included in
11 // all copies or substantial portions of the Software.
12 //
13 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19 // THE SOFTWARE.
20 21 package atomic
22 23 import (
24 "encoding/json"
25 "testing"
26 "time"
27 28 "github.com/stretchr/testify/assert"
29 "github.com/stretchr/testify/require"
30 )
31 32 func TestDuration(t *testing.T) {
33 atom := NewDuration(5 * time.Minute)
34 35 require.Equal(t, 5*time.Minute, atom.Load(), "Load didn't work.")
36 require.Equal(t, 6*time.Minute, atom.Add(time.Minute), "Add didn't work.")
37 require.Equal(t, 4*time.Minute, atom.Sub(2*time.Minute), "Sub didn't work.")
38 39 require.True(t, atom.CAS(4*time.Minute, time.Minute), "CAS didn't report a swap.")
40 require.Equal(t, time.Minute, atom.Load(), "CAS didn't set the correct value.")
41 42 require.Equal(t, time.Minute, atom.Swap(2*time.Minute), "Swap didn't return the old value.")
43 require.Equal(t, 2*time.Minute, atom.Load(), "Swap didn't set the correct value.")
44 45 atom.Store(10 * time.Minute)
46 require.Equal(t, 10*time.Minute, atom.Load(), "Store didn't set the correct value.")
47 48 t.Run("JSON/Marshal", func(t *testing.T) {
49 atom.Store(time.Second)
50 bytes, err := json.Marshal(atom)
51 require.NoError(t, err, "json.Marshal errored unexpectedly.")
52 require.Equal(t, []byte("1000000000"), bytes, "json.Marshal encoded the wrong bytes.")
53 })
54 55 t.Run("JSON/Unmarshal", func(t *testing.T) {
56 err := json.Unmarshal([]byte("1000000000"), &atom)
57 require.NoError(t, err, "json.Unmarshal errored unexpectedly.")
58 require.Equal(t, time.Second, atom.Load(),
59 "json.Unmarshal didn't set the correct value.")
60 })
61 62 t.Run("JSON/Unmarshal/Error", func(t *testing.T) {
63 err := json.Unmarshal([]byte("\"1000000000\""), &atom)
64 require.Error(t, err, "json.Unmarshal didn't error as expected.")
65 assertErrorJSONUnmarshalType(t, err,
66 "json.Unmarshal failed with unexpected error %v, want UnmarshalTypeError.", err)
67 })
68 69 t.Run("String", func(t *testing.T) {
70 assert.Equal(t, "42s", NewDuration(42*time.Second).String(),
71 "String() returned an unexpected value.")
72 })
73 }
74