1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
// Copyright (C) MongoDB, Inc. 2017-present.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
package bsoncodec
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestZeoerInterfaceUsedByDecoder(t *testing.T) {
enc := &StructCodec{}
// cases that are zero, because they are known types or pointers
var st *nonZeroer
assert.True(t, enc.isZero(st))
assert.True(t, enc.isZero(0))
assert.True(t, enc.isZero(false))
// cases that shouldn't be zero
st = &nonZeroer{value: false}
assert.False(t, enc.isZero(struct{ val bool }{val: true}))
assert.False(t, enc.isZero(struct{ val bool }{val: false}))
assert.False(t, enc.isZero(st))
st.value = true
assert.False(t, enc.isZero(st))
// a test to see if the interface impacts the outcome
z := zeroTest{}
assert.False(t, enc.isZero(z))
z.reportZero = true
assert.True(t, enc.isZero(z))
// *time.Time with nil should be zero
var tp *time.Time
assert.True(t, enc.isZero(tp))
// actually all zeroer if nil should also be zero
var zp *zeroTest
assert.True(t, enc.isZero(zp))
}
|
