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// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
// Package testenv provides utility functions for tests. It does not depend on
// the `testing` package to allow usage in non-test code.
package testenv
import (
"flag"
"tailscale.com/types/lazy"
)
var lazyInTest lazy.SyncValue[bool]
// InTest reports whether the current binary is a test binary.
func InTest() bool {
return lazyInTest.Get(func() bool {
return flag.Lookup("test.v") != nil
})
}
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