qapi: Add tests for empty unions

[qemu.git] / tests / qapi-schema / qapi-schema-test.json

# *-*- Mode: Python -*-*

# for testing enums
{ 'enum': 'EnumOne',
  'data': [ 'value1', 'value2', 'value3' ] }
{ 'struct': 'NestedEnumsOne',
  'data': { 'enum1': 'EnumOne', '*enum2': 'EnumOne', 'enum3': 'EnumOne', '*enum4': 'EnumOne' } }

# for testing override of default naming heuristic
{ 'enum': 'QEnumTwo',
  'prefix': 'QENUM_TWO',
  'data': [ 'value1', 'value2' ] }

# for testing nested structs
{ 'struct': 'UserDefOne',
  'base': 'UserDefZero',        # intentional forward reference
  'data': { 'string': 'str', '*enum1': 'EnumOne' } }

{ 'struct': 'UserDefZero',
  'data': { 'integer': 'int' } }

{ 'struct': 'UserDefTwoDictDict',
  'data': { 'userdef': 'UserDefOne', 'string': 'str' } }

{ 'struct': 'UserDefTwoDict',
  'data': { 'string1': 'str',
            'dict2': 'UserDefTwoDictDict',
            '*dict3': 'UserDefTwoDictDict' } }

{ 'struct': 'UserDefTwo',
  'data': { 'string0': 'str',
            'dict1': 'UserDefTwoDict' } }

# for testing unions
# Among other things, test that a name collision between branches does
# not cause any problems (since only one branch can be in use at a time),
# by intentionally using two branches that both have a C member 'a_b'
{ 'struct': 'UserDefA',
  'data': { 'boolean': 'bool', '*a_b': 'int' } }

{ 'struct': 'UserDefB',
  'data': { 'intb': 'int', '*a-b': 'bool' } }

{ 'union': 'UserDefFlatUnion',
  'base': 'UserDefUnionBase',   # intentional forward reference
  'discriminator': 'enum1',
  'data': { 'value1' : 'UserDefA',
            'value2' : 'UserDefB',
            'value3' : 'UserDefB' } }

{ 'struct': 'UserDefUnionBase',
  'base': 'UserDefZero',
  'data': { 'string': 'str', 'enum1': 'EnumOne' } }

# this variant of UserDefFlatUnion defaults to a union that uses fields with
# allocated types to test corner cases in the cleanup/dealloc visitor
{ 'union': 'UserDefFlatUnion2',
  'base': 'UserDefUnionBase',
  'discriminator': 'enum1',
  'data': { 'value1' : 'UserDefC', # intentional forward reference
            'value2' : 'UserDefB',
            'value3' : 'UserDefA' } }

{ 'alternate': 'UserDefAlternate',
  'data': { 'uda': 'UserDefA', 's': 'str', 'i': 'int' } }

{ 'struct': 'UserDefC',
  'data': { 'string1': 'str', 'string2': 'str' } }

# for testing native lists
{ 'union': 'UserDefNativeListUnion',
  'data': { 'integer': ['int'],
            's8': ['int8'],
            's16': ['int16'],
            's32': ['int32'],
            's64': ['int64'],
            'u8': ['uint8'],
            'u16': ['uint16'],
            'u32': ['uint32'],
            'u64': ['uint64'],
            'number': ['number'],
            'boolean': ['bool'],
            'string': ['str'],
            'sizes': ['size'],
            'any': ['any'] } }

# testing commands
{ 'command': 'user_def_cmd', 'data': {} }
{ 'command': 'user_def_cmd1', 'data': {'ud1a': 'UserDefOne'} }
{ 'command': 'user_def_cmd2',
  'data': {'ud1a': 'UserDefOne', '*ud1b': 'UserDefOne'},
  'returns': 'UserDefTwo' }
{ 'command': 'user_def_cmd3', 'data': {'a': 'int', '*b': 'int' },
  'returns': 'int' }
# note: command name 'guest-sync' chosen to avoid "cannot use built-in" error
{ 'command': 'guest-sync', 'data': { 'arg': 'any' }, 'returns': 'any' }

# For testing integer range flattening in opts-visitor. The following schema
# corresponds to the option format:
#
# -userdef i64=3-6,i64=-5--1,u64=2,u16=1,u16=7-12
#
# For simplicity, this example doesn't use [type=]discriminator nor optargs
# specific to discriminator values.
{ 'struct': 'UserDefOptions',
  'data': {
    '*i64' : [ 'int'    ],
    '*u64' : [ 'uint64' ],
    '*u16' : [ 'uint16' ],
    '*i64x':   'int'     ,
    '*u64x':   'uint64'  } }

# testing event
{ 'struct': 'EventStructOne',
  'data': { 'struct1': 'UserDefOne', 'string': 'str', '*enum2': 'EnumOne' } }

{ 'event': 'EVENT_A' }
{ 'event': 'EVENT_B',
  'data': { } }
{ 'event': 'EVENT_C',
  'data': { '*a': 'int', '*b': 'UserDefOne', 'c': 'str' } }
{ 'event': 'EVENT_D',
  'data': { 'a' : 'EventStructOne', 'b' : 'str', '*c': 'str', '*enum3': 'EnumOne' } }

# test that we correctly compile downstream extensions
{ 'enum': '__org.qemu_x-Enum', 'data': [ '__org.qemu_x-value' ] }
{ 'struct': '__org.qemu_x-Base',
  'data': { '__org.qemu_x-member1': '__org.qemu_x-Enum' } }
{ 'struct': '__org.qemu_x-Struct', 'base': '__org.qemu_x-Base',
  'data': { '__org.qemu_x-member2': 'str' } }
{ 'union': '__org.qemu_x-Union1', 'data': { '__org.qemu_x-branch': 'str' } }
{ 'struct': '__org.qemu_x-Struct2',
  'data': { 'array': ['__org.qemu_x-Union1'] } }
{ 'union': '__org.qemu_x-Union2', 'base': '__org.qemu_x-Base',
  'discriminator': '__org.qemu_x-member1',
  'data': { '__org.qemu_x-value': '__org.qemu_x-Struct2' } }
{ 'alternate': '__org.qemu_x-Alt',
  'data': { '__org.qemu_x-branch': 'str', 'b': '__org.qemu_x-Base' } }
{ 'event': '__ORG.QEMU_X-EVENT', 'data': '__org.qemu_x-Struct' }
{ 'command': '__org.qemu_x-command',
  'data': { 'a': ['__org.qemu_x-Enum'], 'b': ['__org.qemu_x-Struct'],
            'c': '__org.qemu_x-Union2', 'd': '__org.qemu_x-Alt' },
  'returns': '__org.qemu_x-Union1' }