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// Copyright 2016 the Go-FUSE 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 testutil
import (
"io/ioutil"
"log"
"runtime"
"strings"
)
// TempDir creates a temporary directory that includes the name of the
// testcase. Panics if there was an I/O problem creating the directory.
func TempDir() string {
frames := make([]uintptr, 10) // at least 1 entry needed
n := runtime.Callers(1, frames)
lastName := ""
for _, pc := range frames[:n] {
f := runtime.FuncForPC(pc)
name := f.Name()
i := strings.LastIndex(name, ".")
if i >= 0 {
name = name[i+1:]
}
if strings.HasPrefix(name, "Test") {
lastName = name
}
}
dir, err := ioutil.TempDir("", lastName)
if err != nil {
log.Panicf("TempDir(%s): %v", lastName, err)
}
return dir
}
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