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229 lines
5.7 KiB
Markdown
229 lines
5.7 KiB
Markdown
# Compatibility Testing for Games
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## Overview
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Compatibility testing ensures your game works correctly across different hardware, operating systems, and configurations that players use.
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## Types of Compatibility Testing
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### Hardware Compatibility
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- Graphics cards (NVIDIA, AMD, Intel)
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- CPUs (Intel, AMD, Apple Silicon)
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- Memory configurations
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- Storage types (HDD, SSD, NVMe)
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- Input devices (controllers, keyboards, mice)
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### Software Compatibility
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- Operating system versions
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- Driver versions
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- Background software conflicts
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- Antivirus interference
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### Platform Compatibility
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- Console SKUs (PS5, Xbox Series X|S)
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- PC storefronts (Steam, Epic, GOG)
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- Mobile devices (iOS, Android)
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- Cloud gaming services
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### Configuration Compatibility
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- Graphics settings combinations
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- Resolution and aspect ratios
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- Refresh rates (60Hz, 144Hz, etc.)
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- HDR and color profiles
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## Testing Matrix
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### Minimum Hardware Matrix
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| Component | Budget | Mid-Range | High-End |
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| --------- | -------- | --------- | -------- |
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| GPU | GTX 1050 | RTX 3060 | RTX 4080 |
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| CPU | i5-6400 | i7-10700 | i9-13900 |
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| RAM | 8GB | 16GB | 32GB |
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| Storage | HDD | SATA SSD | NVMe |
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### OS Matrix
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- Windows 10 (21H2, 22H2)
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- Windows 11 (22H2, 23H2)
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- macOS (Ventura, Sonoma)
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- Linux (Ubuntu LTS, SteamOS)
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### Controller Matrix
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- Xbox Controller (wired, wireless, Elite)
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- PlayStation DualSense
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- Nintendo Pro Controller
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- Generic XInput controllers
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- Keyboard + Mouse
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## Testing Approach
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### 1. Define Supported Configurations
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- Minimum specifications
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- Recommended specifications
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- Officially supported platforms
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- Known unsupported configurations
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### 2. Create Test Matrix
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- Prioritize common configurations
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- Include edge cases
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- Balance coverage vs. effort
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### 3. Execute Systematic Testing
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- Full playthrough on key configs
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- Spot checks on edge cases
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- Automated smoke tests where possible
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### 4. Document Issues
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- Repro steps with exact configuration
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- Severity and frequency
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- Workarounds if available
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## Common Compatibility Issues
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### Graphics Issues
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| Issue | Cause | Detection |
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| -------------------- | ---------------------- | -------------------------------- |
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| Crashes on launch | Driver incompatibility | Test on multiple GPUs |
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| Rendering artifacts | Shader issues | Visual inspection across configs |
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| Performance variance | Optimization gaps | Profile on multiple GPUs |
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| Resolution bugs | Aspect ratio handling | Test non-standard resolutions |
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### Input Issues
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| Issue | Cause | Detection |
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| ----------------------- | ------------------ | ------------------------------ |
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| Controller not detected | Missing driver/API | Test all supported controllers |
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| Wrong button prompts | Platform detection | Swap controllers mid-game |
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| Stick drift handling | Deadzone issues | Test worn controllers |
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| Mouse acceleration | Raw input issues | Test at different DPIs |
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### Audio Issues
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| Issue | Cause | Detection |
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| -------------- | ---------------- | --------------------------- |
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| No sound | Device selection | Test multiple audio devices |
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| Crackling | Buffer issues | Test under CPU load |
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| Wrong channels | Surround setup | Test stereo vs 5.1 vs 7.1 |
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## Platform-Specific Considerations
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### PC
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- **Steam:** Verify Steam Input, Steamworks features
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- **Epic:** Test EOS features if used
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- **GOG:** Test offline/DRM-free functionality
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- **Game Pass:** Test Xbox services integration
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### Console
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- **Certification Requirements:** Study TRCs/XRs early
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- **SKU Differences:** Test on all variants (S vs X)
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- **External Storage:** Test on USB drives
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- **Quick Resume:** Test suspend/resume cycles
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### Mobile
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- **Device Fragmentation:** Test across screen sizes
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- **OS Versions:** Test min supported to latest
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- **Permissions:** Test permission flows
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- **App Lifecycle:** Test background/foreground
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## Automated Compatibility Testing
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### Smoke Tests
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```yaml
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# Run on matrix of configurations
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compatibility_test:
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matrix:
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os: [windows-10, windows-11, ubuntu-22]
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gpu: [nvidia, amd, intel]
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script:
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- launch_game --headless
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- verify_main_menu_reached
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- check_no_errors
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```
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### Screenshot Comparison
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- Capture screenshots on different GPUs
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- Compare for rendering differences
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- Flag significant deviations
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### Cloud Testing Services
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- AWS Device Farm
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- BrowserStack (web games)
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- LambdaTest
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- Sauce Labs
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## Compatibility Checklist
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### Pre-Alpha
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- [ ] Minimum specs defined
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- [ ] Key platforms identified
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- [ ] Test matrix created
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- [ ] Test hardware acquired/rented
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### Alpha
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- [ ] Full playthrough on min spec
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- [ ] Controller support verified
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- [ ] Major graphics issues found
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- [ ] Platform SDK integrated
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### Beta
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- [ ] All matrix configurations tested
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- [ ] Edge cases explored
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- [ ] Certification pre-check done
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- [ ] Store page requirements met
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### Release
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- [ ] Final certification passed
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- [ ] Known issues documented
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- [ ] Workarounds communicated
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- [ ] Support matrix published
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## Documenting Compatibility
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### System Requirements
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```
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MINIMUM:
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- OS: Windows 10 64-bit
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- Processor: Intel Core i5-6400 or AMD equivalent
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- Memory: 8 GB RAM
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- Graphics: NVIDIA GTX 1050 or AMD RX 560
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- Storage: 50 GB available space
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RECOMMENDED:
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- OS: Windows 11 64-bit
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- Processor: Intel Core i7-10700 or AMD equivalent
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- Memory: 16 GB RAM
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- Graphics: NVIDIA RTX 3060 or AMD RX 6700 XT
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- Storage: 50 GB SSD
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```
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### Known Issues
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Maintain a public-facing list of known compatibility issues with:
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- Affected configurations
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- Symptoms
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- Workarounds
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- Fix status
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