File: stdin.go

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package testutil

import (
	"os"
	"testing"
)

// OverrideStdin replaces standard input with another *os.File and restores
// it at the end of the test.
func OverrideStdin(tb testing.TB, fakeStdin *os.File) {
	tb.Helper()
	oldStdin := os.Stdin
	tb.Cleanup(func() {
		os.Stdin = oldStdin
	})
	os.Stdin = fakeStdin
}