testing/

Package bisect can be used by compilers and other programs to serve as a target for the bisect debugging tool.

Package cfg holds configuration shared by the Go command and internal/testenv.

Package cpu implements processor feature detection used by the Go standard library.

Package fuzz provides common fuzzing functionality for tests built with "go test" and for programs that use fuzzing functionality in the testing package.

package goarch contains GOARCH-specific constants.

Package godebug makes the settings in the $GODEBUG environment variable available to other packages.

Package godebugs provides a table of known GODEBUG settings, for use by a variety of other packages, including internal/godebug, runtime, runtime/metrics, and cmd/go/internal/load.

Package goexperiment implements support for toolchain experiments.

package goos contains GOOS-specific constants.

Package race contains helper functions for manually instrumenting code for the race detector.

Package atomic provides atomic operations, independent of sync/atomic, to the runtime.

package sys contains system- and configuration- and architecture-specific constants used by the runtime.

Package synctest provides support for testing concurrent code.

Package registry provides access to the Windows registry.

Package sysdll is an internal leaf package that records and reports which Windows DLL names are used by Go itself.

Package sysinfo implements high level hardware information gathering that can be used for debugging or information purposes.

Package testenv provides information about what functionality is available in different testing environments run by the Go team.

Package testlog provides a back-channel communication path between tests and package os, so that cmd/go can see which environment variables and files a test consults.

Package txtar implements a trivial text-based file archive format.

Package testdeps provides access to dependencies needed by test execution.