Module wasm_testing 

WASM Testing Features Module

Implements the top 5 WASM/TUI testing features from the spec (Section E):

1. Deterministic Replay - Record and replay test sessions
2. Memory Profiling - Track WASM linear memory usage
3. State Machine Validation - Playbook integration
4. Cross-Browser Testing - Multi-browser matrix
5. Performance Regression - Baseline tracking

Structs

BrowserMatrix

Cross-browser test configuration

BrowserTestResult

Cross-browser test result

KeyModifiers

Keyboard modifier keys

MemoryGrowthEvent

Memory growth event

MemoryProfile

Memory profile for a WASM module

MemorySnapshot

Memory profile snapshot

PerformanceBaseline

Performance baseline

PerformanceComparison

Performance comparison result

PerformanceMetric

Performance metric

Recording

A recorded test session

RecordingMetadata

Recording metadata

Viewport

Viewport dimensions

Enums

Browser

Supported browser engines

ComparisonStatus

Comparison status

RecordedEvent

A recorded event for deterministic replay

Functions

compare_performance

Compare current metrics against baseline

render_performance_report

Render performance comparison as text