github.com/SagerNet/gvisor@v0.0.0-20210707092255-7731c139d75c/pkg/state/tests/struct.go (about)

     1  // Copyright 2018 The gVisor Authors.
     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 tests
    16  
    17  type unregisteredEmptyStruct struct{}
    18  
    19  // typeOnlyEmptyStruct just implements the state.Type interface.
    20  type typeOnlyEmptyStruct struct{}
    21  
    22  func (*typeOnlyEmptyStruct) StateTypeName() string { return "registeredEmptyStruct" }
    23  
    24  func (*typeOnlyEmptyStruct) StateFields() []string { return nil }
    25  
    26  // +stateify savable
    27  type savableEmptyStruct struct{}
    28  
    29  // +stateify savable
    30  type emptyStructPointer struct {
    31  	nothing *struct{}
    32  }
    33  
    34  // +stateify savable
    35  type outerSame struct {
    36  	inner inner
    37  }
    38  
    39  // +stateify savable
    40  type outerFieldFirst struct {
    41  	inner inner
    42  	v     int64
    43  }
    44  
    45  // +stateify savable
    46  type outerFieldSecond struct {
    47  	v     int64
    48  	inner inner
    49  }
    50  
    51  // +stateify savable
    52  type outerArray struct {
    53  	inner [2]inner
    54  }
    55  
    56  // +stateify savable
    57  type outerSlice struct {
    58  	inner []inner
    59  }
    60  
    61  // +stateify savable
    62  type inner struct {
    63  	v int64
    64  }
    65  
    66  // +stateify savable
    67  type outerFieldValue struct {
    68  	inner innerFieldValue
    69  }
    70  
    71  // +stateify savable
    72  type innerFieldValue struct {
    73  	v int64 `state:".(*savedFieldValue)"`
    74  }
    75  
    76  // +stateify savable
    77  type savedFieldValue struct {
    78  	v int64
    79  }
    80  
    81  func (ifv *innerFieldValue) saveV() *savedFieldValue {
    82  	return &savedFieldValue{ifv.v}
    83  }
    84  
    85  func (ifv *innerFieldValue) loadV(sfv *savedFieldValue) {
    86  	ifv.v = sfv.v
    87  }
    88  
    89  // +stateify savable
    90  type system struct {
    91  	v1 interface{}
    92  	v2 interface{}
    93  }
    94  
    95  // +stateify savable
    96  type system3 struct {
    97  	v1 interface{}
    98  	v2 interface{}
    99  	v3 interface{}
   100  }