Add vendor folder to git

vendor/github.com/prometheus/procfs/proc_io_test.go

@@ -0,0 +1,49 @@
+package procfs
+
+import "testing"
+
+func TestProcIO(t *testing.T) {
+	fs, err := NewFS("fixtures")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	p, err := fs.NewProc(26231)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	s, err := p.NewIO()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	for _, test := range []struct {
+		name string
+		want uint64
+		got  uint64
+	}{
+		{name: "RChar", want: 750339, got: s.RChar},
+		{name: "WChar", want: 818609, got: s.WChar},
+		{name: "SyscR", want: 7405, got: s.SyscR},
+		{name: "SyscW", want: 5245, got: s.SyscW},
+		{name: "ReadBytes", want: 1024, got: s.ReadBytes},
+		{name: "WriteBytes", want: 2048, got: s.WriteBytes},
+	} {
+		if test.want != test.got {
+			t.Errorf("want %s %d, got %d", test.name, test.want, test.got)
+		}
+	}
+
+	for _, test := range []struct {
+		name string
+		want int64
+		got  int64
+	}{
+		{name: "CancelledWriteBytes", want: -1024, got: s.CancelledWriteBytes},
+	} {
+		if test.want != test.got {
+			t.Errorf("want %s %d, got %d", test.name, test.want, test.got)
+		}
+	}
+}