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The write finishes before AddTransactionViewModel navigates, but nothing establishes that Home's total has re-rendered before the frame is read, and an equality convicts a healthy app for a total one frame behind. A delta of zero is exactly the shape nine of the eleven measured android false convictions had. 2x still exceeds x, so all four recorded convictions survive, checked against the traces. The trade is real: a balance that moves by LESS than the amount typed is no longer judged anywhere in this spec.
@sanderling/spec
TypeScript spec API for sanderling, a property-based UI fuzzer for Android, iOS and web apps.
A spec exports properties (what the app must always or eventually do), extractors (structured state read off the UI), and action generators (what sanderling is allowed to do). The sanderling CLI evaluates the spec against a running app once per step.
npm install --save-dev @sanderling/spec
Getting started installs the CLI and runs a first spec. The spec language reference lists every primitive, and the case study walks a complete spec end to end.
The CLI bundles this package's TypeScript sources at run time, so keep the CLI and the package on the same release.