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// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package pprof_test
import (
"bytes"
"compress/gzip"
"io"
"log"
"os"
"testing"
"time"
"golang.org/x/tools/internal/pprof"
)
func TestTotalTime(t *testing.T) {
// $ go tool pprof testdata/sample.pprof <&- 2>&1 | grep Total
// Duration: 11.10s, Total samples = 27.59s (248.65%)
const (
filename = "testdata/sample.pprof"
want = time.Duration(27590003550)
)
profGz, err := os.ReadFile(filename)
if err != nil {
t.Fatal(err)
}
rd, err := gzip.NewReader(bytes.NewReader(profGz))
if err != nil {
t.Fatal(err)
}
payload, err := io.ReadAll(rd)
if err != nil {
t.Fatal(err)
}
got, err := pprof.TotalTime(payload)
if err != nil {
log.Fatal(err)
}
if got != want {
t.Fatalf("TotalTime(%q): got %v (%d), want %v (%d)", filename, got, got, want, want)
}
}
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