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// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.

package utils

import (
    "os"
    "os/user"
    "testing"
)

func TestPathExpansion(t *testing.T) {

    user, _ := user.Current()

    tests := map[string]string{
        "/home/someuser/tmp": "/home/someuser/tmp",
        "~/tmp":              user.HomeDir + "/tmp",
        "$DDDXXX/a/b":        "/tmp/a/b",
        "/a/b/":              "/a/b",
    }

    os.Setenv("DDDXXX", "/tmp")

    for test, expected := range tests {
        got := expandPath(test)
        if got != expected {
            t.Errorf("test %s, got %s, expected %s\n", test, got, expected)
        }
    }
}