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IMinchev64
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❌ status: awaiting-test
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Pull request overview
This PR fixes a bug where navigating down from the last layout row in a multi-row layout grid returns an out-of-bounds row index. The fix adds a boundary check to ensure navigation stays within valid data bounds.
Changes:
- Added boundary validation in the vertical navigation logic to prevent out-of-bounds row indices
- Added comprehensive test coverage for the edge case of navigating down from the last layout row
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.
| File | Description |
|---|---|
| projects/igniteui-angular/grids/core/src/grid-mrl-navigation.service.ts | Added boundary check to prevent out-of-bounds row index when navigating down from last layout row |
| projects/igniteui-angular/grids/grid/src/grid-mrl-keyboard-nav.spec.ts | Added test case to verify the fix for out-of-bounds navigation |
projects/igniteui-angular/grids/core/src/grid-mrl-navigation.service.ts
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| it('should not return an out of bounds row index when navigating down from the last layout row', () => { | ||
| fix.componentInstance.data = SampleTestData.contactInfoDataFull().slice(0, 10); |
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The magic number 10 for the data slice limit is unexplained. Consider extracting it as a named constant (e.g., const TEST_DATA_SIZE = 10;) to clarify why this specific number of records is needed for the test.
mddragnev
approved these changes
Jan 29, 2026
MayaKirova
added
💥 status: in-test
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Closes #16644
Additional information (check all that apply):
Checklist:
feature/README.MDupdates for the feature docsREADME.MDCHANGELOG.MDupdates for newly added functionalityng updatemigrations for the breaking changes (migrations guidelines)