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proc_stat_test.go: architecture dependent MinInt and MaxInt constants #437

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proc_stat_test.go: architecture dependent MinInt and MaxInt constants #437

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11 changes: 8 additions & 3 deletions proc_stat_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,7 +14,7 @@
package procfs

import (
"math"
"math/bits"
"os"
"testing"
)
Expand Down Expand Up @@ -88,14 +88,19 @@ func TestProcStatLimits(t *testing.T) {
t.Errorf("want not error, have %s", err)
}

// architecture dependent MinInt and MaxInt constants
const (
MinInt int = ((1 << bits.UintSize) / -2) // math.MinInt
MaxInt int = (((1 << bits.UintSize) / 2) - 1) // math.MaxInt
)
// max values of stat int fields
for _, test := range []struct {
name string
want int
have int
}{
{name: "waited for children user time", want: math.MinInt64, have: s.CUTime},
{name: "waited for children system time", want: math.MaxInt64, have: s.CSTime},
{name: "waited for children user time", want: MinInt, have: s.CUTime},
{name: "waited for children system time", want: MaxInt, have: s.CSTime},
} {
if test.want != test.have {
t.Errorf("want %s %d, have %d", test.name, test.want, test.have)
Expand Down