1  // Copyright 2026 Alibaba Group Holding Ltd.
 2  //
 3  // Licensed under the Apache License, Version 2.0 (the "License");
 4  // you may not use this file except in compliance with the License.
 5  // You may obtain a copy of the License at
 6  //
 7  //     http://www.apache.org/licenses/LICENSE-2.0
 8  //
 9  // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  package sandbox
16  
17  import (
18  	"errors"
19  	"fmt"
20  	"testing"
21  )
22  
23  // Ensure wrapping ErrSandboxNotReady keeps errors.Is behavior.
24  func TestErrSandboxNotReadyWrapping(t *testing.T) {
25  	wrapped := fmt.Errorf("%w: custom detail", ErrSandboxNotReady)
26  
27  	if !errors.Is(wrapped, ErrSandboxNotReady) {
28  		t.Fatalf("expected errors.Is to match ErrSandboxNotReady, got false; err=%v", wrapped)
29  	}
30  }