jkawamoto/loci

//
// command/errset_test.go
//
// Copyright (c) 2016-2017 Junpei Kawamoto
//
// This software is released under the MIT License.
//
// http://opensource.org/licenses/mit-license.php
//

package command

import (
    "fmt"
    "io"
    "testing"
)

func TestErrorSet(t *testing.T) {

    errs := NewErrorSet()
    if errs.Size() != 0 {
        t.Error("New ErrorSet contains some error already.")
    }

    errs.Add("eof", io.EOF)
    if errs.Size() != 1 {
        t.Error("ErrorSet returns a wrong size.")
    }

    var ret []error
    ret = errs.GetList()
    if len(ret) != 1 {
        t.Error("Length of a slice returned from an ErrorSet is wrong.")
    } else if ret[0] != io.EOF {
        t.Error("Slice returned from an ErrorSet consists of wrong errors.")
    }

    another := fmt.Errorf("Another error")
    errs.Add("another", another)
    ret = errs.GetList()
    if len(ret) != 2 {
        t.Error("Length of a slice returned from an ErrorSet is wrong.")
    } else if ret[0] != another || ret[1] != io.EOF {
        t.Error("Slice returned from an ErrorSet consists in a wrong order.")
    }

}