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// Copyright 2018 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package log
import (
"encoding/json"
"testing"
)
// Tests that Level can marshal/unmarshal properly.
func TestLevelMarshal(t *testing.T) {
lvs := []Level{Warning, Info, Debug}
for _, lv := range lvs {
bs, err := lv.MarshalJSON()
if err != nil {
t.Errorf("error marshaling %v: %v", lv, err)
}
var lv2 Level
if err := lv2.UnmarshalJSON(bs); err != nil {
t.Errorf("error unmarshaling %v: %v", bs, err)
}
if lv != lv2 {
t.Errorf("marshal/unmarshal level got %v wanted %v", lv2, lv)
}
}
}
// Test that integers can be properly unmarshaled.
func TestUnmarshalFromInt(t *testing.T) {
tcs := []struct {
i int
want Level
}{
{0, Warning},
{1, Info},
{2, Debug},
}
for _, tc := range tcs {
j, err := json.Marshal(tc.i)
if err != nil {
t.Errorf("error marshaling %v: %v", tc.i, err)
}
var lv Level
if err := lv.UnmarshalJSON(j); err != nil {
t.Errorf("error unmarshaling %v: %v", j, err)
}
if lv != tc.want {
t.Errorf("marshal/unmarshal %v got %v want %v", tc.i, lv, tc.want)
}
}
}
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