[testing] First run for the ai test tool on Core #31955
Open
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
There was a problem hiding this comment.
Pull Request Overview
This PR introduces automated test coverage for the .NET MAUI Core project through an AI test generation tool. The PR adds comprehensive unit tests across multiple areas of the codebase to improve test coverage and validate functionality.
Key changes include:
- Addition of 19 new test files covering various Core components including handlers, primitives, hosting, and utilities
- Tests for extension methods, data structures, and standard implementations
- Validation of null parameter handling and edge cases across the framework
Reviewed Changes
Copilot reviewed 48 out of 48 changed files in this pull request and generated no comments.
Show a summary per file
| File | Description |
|---|---|
| src/Core/tests/UnitTests/WeakReferenceExtensionsTests.cs | New comprehensive tests for WeakReference extension methods with null handling and GC scenarios |
| src/Core/tests/UnitTests/VisualDiagnostics/VisualTreeChangeEventArgsTests.cs | New tests validating VisualTreeChangeEventArgs constructor and property assignments |
| src/Core/tests/UnitTests/Primitives/SwipeDirectionTests.cs | New extensive tests for SwipeDirectionHelper methods covering angle calculations and direction mapping |
| src/Core/tests/UnitTests/Primitives/SafeAreaEdgesTests.cs | New comprehensive tests for SafeAreaEdges struct including constructors, equality, and utility methods |
| src/Core/tests/UnitTests/Primitives/KeyboardTests.cs | New tests covering Keyboard static properties and Create method functionality |
| src/Core/tests/UnitTests/Primitives/EvaluateJavaScriptAsyncCommandTests.cs | New tests for EvaluateJavaScriptAsyncRequest constructor behavior |
| src/Core/tests/UnitTests/Primitives/DimensionTests.cs | New tests for Dimension.IsMinimumSet method with various input scenarios |
| src/Core/tests/UnitTests/Platform/Standard/StrokeExtensionsTests.cs | New tests for stroke-related extension methods in standard platform |
| src/Core/tests/UnitTests/LifecycleEvents/LifecycleEventServiceTests.cs | New tests for LifecycleEventService constructor and registration handling |
| src/Core/tests/UnitTests/ImageSources/FileImageSourceService/FileImageSourceServiceTests.cs | New test for FileImageSourceService parameterless constructor |
| src/Core/tests/UnitTests/Hosting/EssentialsMauiAppBuilderExtensionsTests.cs | New tests for Essentials registration and builder functionality |
| src/Core/tests/UnitTests/Hosting/Fonts/FontsMauiAppBuilderExtensionsTests.cs | New comprehensive tests for font initialization and registration |
| src/Core/tests/UnitTests/Hosting/HybridWebViewServiceCollectionExtensionsTests.cs | New test for null parameter validation in HybridWebView extensions |
| src/Core/tests/UnitTests/Handlers/*/StandardTests.cs | New tests for standard handler implementations covering MapXxx methods and CreatePlatformView |
| Various existing test files | Added UTF-8 BOM and formatting corrections |
jsuarezruiz
reviewed
Oct 10, 2025
| [Trait("Owner", "Code Testing Agent 0.4.133-alpha+a413c4336c")] | ||
| [Trait("Category", "auto-generated")] | ||
| [Trait("Category", "ProductionBugSuspected")] | ||
| public void IndexOfChar_NullString_ThrowsArgumentNullException() |
There was a problem hiding this comment.
Assert.Throws() Failure: Exception type was not an exact match
Expected: typeof(System.ArgumentNullException)
Actual: typeof(System.NullReferenceException)
---- System.NullReferenceException : Object reference not set to an instance of an object.
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Description of Change
Testing some generated tests