synctest

package standard library

go1.24.5 Latest Latest Go to latest Published: Jul 8, 2025 License: BSD-3-Clause Imports: 1 Imported by: 0

Details

Package synctest provides support for testing concurrent code.

See the testing/synctest package for function documentation.

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func Run(f func())

func Wait()

type Bubble struct {
	// contains filtered or unexported fields
}

A Bubble is a synctest bubble.

Not a public API. Used by syscall/js to propagate bubble membership through syscalls.

func Acquire() *Bubble

Acquire returns a reference to the current goroutine's bubble. The bubble will not become idle until Release is called.

func (b *Bubble) Release()

Release releases the reference to the bubble, allowing it to become idle again.

func (b *Bubble) Run(f func())

Run executes f in the bubble. The current goroutine must not be part of a bubble.