Fix/issue 176 enum properties #179
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…ements#176 extended) - OpenApiRuleContext.cs: Return empty schema for null properties (schema references) - NSwagRuleContext.cs: Add TryGetValue check for safe property access - Add test for nested object properties - Update SetValidatorShouldNotSetParentPropertiesTest for OpenAPI v2 compatibility 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
InvalidCastExceptionwhen models contain enum propertiesNullReferenceExceptionwhen models contain nested object propertiesTryGetValuecheck inNSwagRuleContextfor consistencyRoot Cause
In Microsoft.OpenApi 2.x (used by Swashbuckle 10.x / .NET 10), enum and nested class properties are represented as
OpenApiSchemaReferenceinstead ofOpenApiSchema, causing:InvalidCastExceptioninGetProperties()methodNullReferenceExceptionwhen accessing property schema inOpenApiRuleContextChanges
OpenApiSchemaCompatibility.cs: Filter out schema references inGetProperties()OpenApiRuleContext.cs: Return empty schema for null properties (schema references)NSwagRuleContext.cs: AddTryGetValuecheck for safe property access