1// Copyright 2018 The Prometheus Authors
2// Licensed under the Apache License, Version 2.0 (the "License");
3// you may not use this file except in compliance with the License.
4// You may obtain a copy of the License at
5//
6// http://www.apache.org/licenses/LICENSE-2.0
7//
8// Unless required by applicable law or agreed to in writing, software
9// distributed under the License is distributed on an "AS IS" BASIS,
10// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11// See the License for the specific language governing permissions and
12// limitations under the License.
13
14package procfs
15
16import "testing"
17
18func TestProcIO(t *testing.T) {
19	p, err := getProcFixtures(t).Proc(26231)
20	if err != nil {
21		t.Fatal(err)
22	}
23
24	s, err := p.IO()
25	if err != nil {
26		t.Fatal(err)
27	}
28
29	for _, test := range []struct {
30		name string
31		want int64
32		have int64
33	}{
34		{name: "RChar", want: 750339, have: int64(s.RChar)},
35		{name: "WChar", want: 818609, have: int64(s.WChar)},
36		{name: "SyscR", want: 7405, have: int64(s.SyscR)},
37		{name: "SyscW", want: 5245, have: int64(s.SyscW)},
38		{name: "ReadBytes", want: 1024, have: int64(s.ReadBytes)},
39		{name: "WriteBytes", want: 2048, have: int64(s.WriteBytes)},
40		{name: "CancelledWriteBytes", want: -1024, have: s.CancelledWriteBytes},
41	} {
42		if test.want != test.have {
43			t.Errorf("want %s %d, have %d", test.name, test.want, test.have)
44		}
45	}
46}
47