screen-tester

Test and find out problems of your screen/monitor before it's too late (don't bring a faulty new gadget home)!

Demo: https://trtshen.github.io/screen-tester/

Features

• Solid Color Tests: Test for dead pixels, color accuracy, and uniformity
• Pattern Tests: Detect display issues with gradients, lines, and geometric patterns
• Motion Tests: Check for ghosting, tearing, and refresh rate problems
• Flicker Tests: Evaluate screen comfort and flicker sensitivity
• Interactive Controls: Keyboard shortcuts for easy navigation

Usage

• Click or Arrow Keys: Navigate between test patterns
• F: Toggle fullscreen mode
• G: Toggle grid overlay
• C: Toggle crosshair overlay
• Escape: Exit fullscreen

Development

# Install dependencies
npm install

# Run tests
npm test

# Run tests with coverage
npm run test:coverage

# Watch mode for development
npm run test:watch

Test Coverage

This project maintains high test coverage for core functionality:

• 100% line coverage
• 100% function coverage
• 100% branch coverage

Tests cover:

• Component rendering and interaction
• Keyboard navigation
• Fullscreen functionality
• Pattern cycling logic