mozilla/gecko-dev
Jun 2025 – Jun 2025
1 Month active
Languages Used
CSSHTMLJavaScript
Technical Skills
CSSJavaScriptTestingWeb DevelopmentWeb Platform Testing
Sam Weinig
PROFILE
Sam Weinig
Sam contributed to the mozilla/gecko-dev repository by expanding and refining CSS validation tests, focusing on custom properties and the CSS Progress() function. Using JavaScript and CSS, Sam updated computed style tests to ensure color values, including currentcolor and color-mixing, resolve correctly and that image values are validated as absolute URLs. The work also addressed new clamping behavior in CSS Progress(), added out-of-range value coverage, and improved serialization within calc expressions. By enhancing test harness reliability and aligning tests with CSS Values 5, Sam’s efforts reduced flaky validations and improved traceability, supporting faster review cycles and more robust releases.
Overall Statistics
Feature vs Bugs
0%Features
Repository Contributions
4Total
Bugs
2
Commits
4
Features
0
Lines of code
353
Activity Months1
Your Network
502 peopleSame Organization
@webkit.org5
Work History
June 2025
4 Commits
Jun 1, 2025June 2025 (mozilla/gecko-dev): Strengthened CSS validation coverage through targeted test updates that align with CSS Values 5 and boost regression reliability. Key deliverables: - CSS Custom Properties and Image Handling in Computed Styles: tests now verify that color computed styles resolve to the used value (including currentcolor and color-mixing) and that image values resolve to absolute URLs; test helper adjusted accordingly. Commits: 86783d70b183f1068809cf154e4506e042e06976, 1ec846527ebcd37f924ba95bf20698fd68622b54. - CSS Progress() Function Test Coverage and Cleanup: tests updated for new clamping behavior, added coverage for values outside the range, ensured proper serialization within calc, and removed obsolete container-progress() and media-progress() tests per CSS Values 5. Commits: 4dcda285380cf6a6dc04ad498e991c5555dae2af, fdcb39bb218e225bd3164a4dc58f73376f416a80. - Test harness and helper improvements to reduce flaky validations and improve reliability. - Clear traceability to Bug IDs 1973261, 1973260, 1973262, 1973264, supporting faster review and release readiness.
4 Commits
Jun 1, 2025June 2025 (mozilla/gecko-dev): Strengthened CSS validation coverage through targeted test updates that align with CSS Values 5 and boost regression reliability. Key deliverables: - CSS Custom Properties and Image Handling in Computed Styles: tests now verify that color computed styles resolve to the used value (including currentcolor and color-mixing) and that image values resolve to absolute URLs; test helper adjusted accordingly. Commits: 86783d70b183f1068809cf154e4506e042e06976, 1ec846527ebcd37f924ba95bf20698fd68622b54. - CSS Progress() Function Test Coverage and Cleanup: tests updated for new clamping behavior, added coverage for values outside the range, ensured proper serialization within calc, and removed obsolete container-progress() and media-progress() tests per CSS Values 5. Commits: 4dcda285380cf6a6dc04ad498e991c5555dae2af, fdcb39bb218e225bd3164a4dc58f73376f416a80. - Test harness and helper improvements to reduce flaky validations and improve reliability. - Clear traceability to Bug IDs 1973261, 1973260, 1973262, 1973264, supporting faster review and release readiness.
June 2025
Activity
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Quality Metrics
Correctness100.0%
Maintainability100.0%
Architecture100.0%
Performance100.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
CSSHTMLJavaScript
Technical Skills
CSSJavaScriptTestingWeb DevelopmentWeb Platform Testing
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline