// Copyright 2015 The go-ethereum Authors // This file is part of the go-ethereum library. // // The go-ethereum library is free software: you can redistribute it and/or modify // it under the terms of the GNU Lesser General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // The go-ethereum library 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 Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public License // along with the go-ethereum library. If not, see . package errs import ( "fmt" "testing" ) func testErrors() *Errors { return &Errors{ Package: "TEST", Errors: map[int]string{ 0: "zero", 1: "one", }, } } func TestErrorMessage(t *testing.T) { err := testErrors().New(0, "zero detail %v", "available") message := fmt.Sprintf("%v", err) exp := "[TEST] ERROR: zero: zero detail available" if message != exp { t.Errorf("error message incorrect. expected %v, got %v", exp, message) } }