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Fix ExpressionHelper.TryConvertTypes to generate correct Convert in case left or right is null - #954
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…ase left or right is null
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Pull Request Overview
This PR improves null handling in type conversion when comparing objects with non-object types in dynamic LINQ queries, particularly for JSON parsing scenarios. The changes ensure that null object values are properly converted to default values instead of causing runtime exceptions.
- Enhanced
TryConvertTypesto use conditional expressions that check for null before conversion - Updated
GenerateDefaultExpressionfor NET35 to properly handle value types and reference types - Refactored test variable names and data structures for improved clarity
Reviewed Changes
Copilot reviewed 6 out of 6 changed files in this pull request and generated 4 comments.
Show a summary per file
| File | Description |
|---|---|
| src/System.Linq.Dynamic.Core/Parser/ExpressionHelper.cs | Added null-safe conversion logic with conditional expressions and improved NET35 default value generation |
| src/System.Linq.Dynamic.Core/Parser/IExpressionHelper.cs | Removed unnecessary public modifier from interface method |
| src/System.Linq.Dynamic.Core.NewtonsoftJson/NewtonsoftJsonExtensions.cs | Refactored to use collection expression and extracted func result to local variable |
| test/System.Linq.Dynamic.Core.Tests/DynamicClassTest.cs | Renamed test variables for clarity and changed List to array |
| test/System.Linq.Dynamic.Core.SystemTextJson.Tests/SystemTextJsonTests.cs | Added test for non-existing member comparisons with new imports |
| test/System.Linq.Dynamic.Core.NewtonsoftJson.Tests/NewtonsoftJsonTests.cs | Added test for non-existing member comparisons and commented-out test for optional properties |
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…sonTests.cs Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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Pull Request Overview
Copilot reviewed 6 out of 6 changed files in this pull request and generated 1 comment.
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