forked from FerretDB/FerretDB
/
double_test.go
73 lines (66 loc) · 2.16 KB
/
double_test.go
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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
// Copyright 2021 FerretDB Inc.
//
// 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
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package oldbson
import (
"math"
"testing"
"github.com/AlekSi/pointer"
)
var doubleTestCases = []testCase{{
name: "42.13",
v: pointer.To(doubleType(42.13)),
b: []byte{0x71, 0x3d, 0x0a, 0xd7, 0xa3, 0x10, 0x45, 0x40},
}, {
name: "zero",
v: pointer.To(doubleType(math.Copysign(0, +1))),
b: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
}, {
name: "negative zero",
v: pointer.To(doubleType(math.Copysign(0, -1))),
b: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80},
}, {
name: "max float64",
v: pointer.To(doubleType(math.MaxFloat64)),
b: []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xef, 0x7f},
}, {
name: "smallest positive float64",
v: pointer.To(doubleType(math.SmallestNonzeroFloat64)),
b: []byte{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
}, {
name: "+Infinity",
v: pointer.To(doubleType(math.Inf(+1))),
b: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x7f},
}, {
name: "-Infinity",
v: pointer.To(doubleType(math.Inf(-1))),
b: []byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0xff},
}, {
name: "NaN",
v: pointer.To(doubleType(math.NaN())),
b: []byte{0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x7f},
}, {
name: "EOF",
b: []byte{0x00},
bErr: `unexpected EOF`,
}}
func TestDouble(t *testing.T) {
t.Parallel()
testBinary(t, doubleTestCases, func() bsontype { return new(doubleType) })
}
func FuzzDouble(f *testing.F) {
fuzzBinary(f, doubleTestCases, func() bsontype { return new(doubleType) })
}
func BenchmarkDouble(b *testing.B) {
benchmark(b, doubleTestCases, func() bsontype { return new(doubleType) })
}