Test if an object has a specified property.

Detect native Symbol support.

Test if a value is a plain object.

Uniformly distributed pseudorandom numbers between 0 and 1.

Symbols.

Define (or modify) an object property.

Proxies nodejs require in order to allow overriding dependencies during testing.

tap-producing test harness for node and browsers

Yet another JS code coverage tool that computes statement, line, function and branch coverage with module loader hooks to transparently add coverage when running tests. Supports all JS coverage use ca

Minimal TAP output formatter.

Benchmark harness.