// Copyright 2015 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package net import ( "context" "time" ) var ( // if non-nil, overrides dialTCP. testHookDialTCP func(ctx context.Context, net string, laddr, raddr *TCPAddr) (*TCPConn, error) testHookLookupIP = func( ctx context.Context, fn func(context.Context, string, string) ([]IPAddr, error), network string, host string, ) ([]IPAddr, error) { return fn(ctx, network, host) } testHookSetKeepAlive = func(time.Duration) {} // testHookStepTime sleeps until time has moved forward by a nonzero amount. // This helps to avoid flakes in timeout tests by ensuring that an implausibly // short deadline (such as 1ns in the future) is always expired by the time // a relevant system call occurs. testHookStepTime = func() {} )