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# Source file src/math/const_test.go

## Documentation: math

```     1  // Copyright 2021 The Go Authors. All rights reserved.
2  // Use of this source code is governed by a BSD-style
4
5  package math_test
6
7  import (
8  	"testing"
9
10  	. "math"
11  )
12
13  func TestMaxUint(t *testing.T) {
14  	if v := uint(MaxUint); v+1 != 0 {
15  		t.Errorf("MaxUint should wrap around to zero: %d", v+1)
16  	}
17  	if v := uint8(MaxUint8); v+1 != 0 {
18  		t.Errorf("MaxUint8 should wrap around to zero: %d", v+1)
19  	}
20  	if v := uint16(MaxUint16); v+1 != 0 {
21  		t.Errorf("MaxUint16 should wrap around to zero: %d", v+1)
22  	}
23  	if v := uint32(MaxUint32); v+1 != 0 {
24  		t.Errorf("MaxUint32 should wrap around to zero: %d", v+1)
25  	}
26  	if v := uint64(MaxUint64); v+1 != 0 {
27  		t.Errorf("MaxUint64 should wrap around to zero: %d", v+1)
28  	}
29  }
30
31  func TestMaxInt(t *testing.T) {
32  	if v := int(MaxInt); v+1 != MinInt {
33  		t.Errorf("MaxInt should wrap around to MinInt: %d", v+1)
34  	}
35  	if v := int8(MaxInt8); v+1 != MinInt8 {
36  		t.Errorf("MaxInt8 should wrap around to MinInt8: %d", v+1)
37  	}
38  	if v := int16(MaxInt16); v+1 != MinInt16 {
39  		t.Errorf("MaxInt16 should wrap around to MinInt16: %d", v+1)
40  	}
41  	if v := int32(MaxInt32); v+1 != MinInt32 {
42  		t.Errorf("MaxInt32 should wrap around to MinInt32: %d", v+1)
43  	}
44  	if v := int64(MaxInt64); v+1 != MinInt64 {
45  		t.Errorf("MaxInt64 should wrap around to MinInt64: %d", v+1)
46  	}
47  }
48
```

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