811or SourcePropertySymbol { IsPartialDefinition: true }

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

4104property.IsPartialDefinition ? ErrorCode.ERR_PartialPropertyMissingImplementation : ErrorCode.ERR_PartialPropertyMissingDefinition, 4191else if (currentProperty.IsPartialDefinition && 4192(prevProperty.IsPartialDefinition || (prevProperty.OtherPartOfPartial is SourcePropertySymbol otherDefinition && (object)otherDefinition != currentProperty))) 4212var implementationAccessor = currentProperty.IsPartialDefinition ? prevAccessor : currentAccessor; 4315if (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);

8385Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 8386Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 8459Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 8460Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 8461Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 8462Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 8463Assert.True(actualProperties[4] is SourcePropertySymbol { Name: "P5", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 8554Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 8555Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 8627Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 8628Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 8690Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 8691Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 8744Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 8745Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 8822Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { HasInitializer: true } }); 8823Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { HasInitializer: true } }); 8824Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { HasInitializer: true } }); 8825Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { HasInitializer: true } }); 8897Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { HasInitializer: true } }); 8898Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { HasInitializer: true } }); 8899Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { HasInitializer: true } }); 8900Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { HasInitializer: true } }); 8912Assert.Equal(property.IsPartial, property.IsPartialDefinition); 8924Assert.Equal(property.IsPartialDefinition, !otherPart.IsPartialDefinition); 8997Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 8998Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9073Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9074Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 9075Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9076Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 9077Assert.True(actualProperties[4] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9078Assert.True(actualProperties[5] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 9150Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9151Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9152Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9153Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "Q1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9154Assert.True(actualProperties[4] is SourcePropertySymbol { Name: "Q2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9155Assert.True(actualProperties[5] is SourcePropertySymbol { Name: "Q3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9273Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9274Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9275Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 9276Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 9277Assert.True(actualProperties[4] is SourcePropertySymbol { Name: "P5", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9278Assert.True(actualProperties[5] is SourcePropertySymbol { Name: "P6", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 9279Assert.True(actualProperties[6] is SourcePropertySymbol { Name: "P7", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 9280Assert.True(actualProperties[7] is SourcePropertySymbol { Name: "Q1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9281Assert.True(actualProperties[8] is SourcePropertySymbol { Name: "Q2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9282Assert.True(actualProperties[9] is SourcePropertySymbol { Name: "Q3", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 9283Assert.True(actualProperties[10] is SourcePropertySymbol { Name: "Q4", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 9284Assert.True(actualProperties[11] is SourcePropertySymbol { Name: "Q5", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9285Assert.True(actualProperties[12] is SourcePropertySymbol { Name: "Q6", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 9286Assert.True(actualProperties[13] is SourcePropertySymbol { Name: "Q7", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 9358Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9359Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9360Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: { } }); 9427Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9428Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9429Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 9430Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 9431Assert.True(actualProperties[4] is SourcePropertySymbol { Name: "P5", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9556Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9557Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9558Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9559Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9560Assert.True(actualProperties[4] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 9561Assert.True(actualProperties[5] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 9562Assert.True(actualProperties[6] is SourcePropertySymbol { Name: "P5", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9563Assert.True(actualProperties[7] is SourcePropertySymbol { Name: "P6", IsPartialDefinition: false, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9564Assert.True(actualProperties[8] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: false, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9565Assert.True(actualProperties[9] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: false, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9566Assert.True(actualProperties[10] is SourcePropertySymbol { Name: "P5", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 9567Assert.True(actualProperties[11] is SourcePropertySymbol { Name: "P6", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9847Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9848Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9849Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9850Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9924Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9925Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 9926Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 9927Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "P4", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: true, BackingField: { } }); 9998Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 9999Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10000Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 10001Assert.True(actualProperties[3] is SourcePropertySymbol { Name: "Q1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: false, BackingField: null }); 10002Assert.True(actualProperties[4] is SourcePropertySymbol { Name: "Q2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10003Assert.True(actualProperties[5] is SourcePropertySymbol { Name: "Q3", IsPartialDefinition: true, IsAutoProperty: true, UsesFieldKeyword: false, BackingField: { } }); 10086Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10087Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10088Assert.True(actualProperties[2] is SourcePropertySymbol { Name: "P3", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10153Assert.True(actualProperties[0] is SourcePropertySymbol { Name: "P1", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10154Assert.True(actualProperties[1] is SourcePropertySymbol { Name: "P2", IsPartialDefinition: true, IsAutoProperty: false, UsesFieldKeyword: true, BackingField: { } }); 10155Assert.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);