812or SourcePropertySymbol { IsPartialDefinition: true }

117bool IPropertySymbol.IsPartialDefinition => (_underlying as SourcePropertySymbol)?.IsPartialDefinition ?? false;

4050property.IsPartialDefinition ? ErrorCode.ERR_PartialPropertyMissingImplementation : ErrorCode.ERR_PartialPropertyMissingDefinition, 4137else if (currentProperty.IsPartialDefinition && 4138(prevProperty.IsPartialDefinition || (prevProperty.OtherPartOfPartial is SourcePropertySymbol otherDefinition && (object)otherDefinition != currentProperty))) 4158var implementationAccessor = currentProperty.IsPartialDefinition ? prevAccessor : currentAccessor; 4261if (part1.IsPartialDefinition)

819public sealed override MethodSymbol? PartialImplementationPart => _property is SourcePropertySymbol { IsPartialDefinition: true, OtherPartOfPartial: { } other } 827internal bool IsPartialDefinition => _property is SourcePropertySymbol { IsPartialDefinition: true };

716if (IsPartialDefinition && OtherPartOfPartial is { } implementation) 729Debug.Assert(this.IsPartialDefinition); 835internal SourcePropertySymbol? SourcePartialImplementationPart => IsPartialDefinition ? OtherPartOfPartial : null; 842Debug.Assert(definition.IsPartialDefinition);

8510Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 8511Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 8584Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 8585Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 8586Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 8587Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 8588Assert.True(actualProperties[4] is SourcePropertySymbol { Name: "P5", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 8679Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 8680Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 8752Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 8753Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 8815Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 8816Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 8869Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 8870Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 8947Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { HasInitializer: true } }); 8948Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { HasInitializer: true } }); 8949Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { HasInitializer: true } }); 8950Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { HasInitializer: true } }); 9022Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { HasInitializer: true } }); 9023Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { HasInitializer: true } }); 9024Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { HasInitializer: true } }); 9025Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { HasInitializer: true } }); 9037Assert.Equal(property.IsPartial, property.IsPartialDefinition); 9049Assert.Equal(property.IsPartialDefinition, !otherPart.IsPartialDefinition); 9122Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9123Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9198Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9199Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 9200Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9201Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 9202Assert.True(actualProperties[4] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9203Assert.True(actualProperties[5] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 9275Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9276Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9277Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9278Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "Q1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9279Assert.True(actualProperties[4] is SourcePropertySymbol { Name: "Q2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9280Assert.True(actualProperties[5] is SourcePropertySymbol { Name: "Q3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9398Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9399Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9400Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 9401Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 9402Assert.True(actualProperties[4] is SourcePropertySymbol { Name: "P5", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9403Assert.True(actualProperties[5] is SourcePropertySymbol { Name: "P6", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 9404Assert.True(actualProperties[6] is SourcePropertySymbol { Name: "P7", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 9405Assert.True(actualProperties[7] is SourcePropertySymbol { Name: "Q1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9406Assert.True(actualProperties[8] is SourcePropertySymbol { Name: "Q2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9407Assert.True(actualProperties[9] is SourcePropertySymbol { Name: "Q3", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 9408Assert.True(actualProperties[10] is SourcePropertySymbol { Name: "Q4", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 9409Assert.True(actualProperties[11] is SourcePropertySymbol { Name: "Q5", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9410Assert.True(actualProperties[12] is SourcePropertySymbol { Name: "Q6", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 9411Assert.True(actualProperties[13] is SourcePropertySymbol { Name: "Q7", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 9483Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9484Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9485Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9552Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9553Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9554Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 9555Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 9556Assert.True(actualProperties[4] is SourcePropertySymbol { Name: "P5", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9681Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9682Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9683Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9684Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9685Assert.True(actualProperties[4] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 9686Assert.True(actualProperties[5] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 9687Assert.True(actualProperties[6] is SourcePropertySymbol { Name: "P5", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9688Assert.True(actualProperties[7] is SourcePropertySymbol { Name: "P6", IsPartialDefinition: false, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9689Assert.True(actualProperties[8] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: false, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9690Assert.True(actualProperties[9] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: false, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9691Assert.True(actualProperties[10] is SourcePropertySymbol { Name: "P5", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 9692Assert.True(actualProperties[11] is SourcePropertySymbol { Name: "P6", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9972Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9973Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9974Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9975Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10049Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10050Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 10051Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10052Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 10123Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 10124Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10125Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 10126Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "Q1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 10127Assert.True(actualProperties[4] is SourcePropertySymbol { Name: "Q2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10128Assert.True(actualProperties[5] is SourcePropertySymbol { Name: "Q3", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 10211Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10212Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10213Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10278Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10279Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10280Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } });

47Assert.True(prop.IsPartialDefinition); 368Assert.True(prop.IsPartialDefinition); 405Assert.True(prop.IsPartialDefinition); 409Assert.True(duplicateProp.IsPartialDefinition); 924Assert.True(propDefinition.IsPartialDefinition); 998Assert.True(propDefinition.IsPartialDefinition); 1084Assert.True(propDefinition.IsPartialDefinition); 1456Assert.True(p1Def.IsPartialDefinition); 1679Assert.True(p1.IsPartialDefinition); 1683Assert.True(p2.IsPartialDefinition); 1687Assert.True(p3.IsPartialDefinition);