Register a benchmark test which will be run when deno bench is used on the command line and the containing module looks like a bench module.

Context that is passed to a benchmarked function. The instance is shared between iterations of the benchmark. Its methods can be used for example to override of the measured portion of the function.

Context that is passed to a testing function, which can be used to either gain information about the current test, or register additional test steps within the current test.

Register a test which will be run when deno test is used on the command line and the containing module looks like a test module.