@@ -7042,3 +7042,31 @@ func (s *DockerSuite) TestBuildCacheFrom(c *check.C) {

 	}

 	c.Assert(layers1[len(layers1)-1], checker.Not(checker.Equals), layers2[len(layers1)-1])

 }

+

+func (s *DockerSuite) TestBuildNetNone(c *check.C) {

+	testRequires(c, DaemonIsLinux)

+

+	name := "testbuildnetnone"

+	_, out, err := buildImageWithOut(name, `

+  FROM busybox

+  RUN ping -c 1 8.8.8.8

+  `, true, "--network=none")

+	c.Assert(err, checker.NotNil)

+	c.Assert(out, checker.Contains, "unreachable")

+}

+

+func (s *DockerSuite) TestBuildNetContainer(c *check.C) {

+	testRequires(c, DaemonIsLinux)

+

+	id, _ := dockerCmd(c, "run", "--hostname", "foobar", "-d", "busybox", "nc", "-ll", "-p", "1234", "-e", "hostname")

+

+	name := "testbuildnetcontainer"

+	out, err := buildImage(name, `

+  FROM busybox

+  RUN nc localhost 1234 > /otherhost

+  `, true, "--network=container:"+strings.TrimSpace(id))

+	c.Assert(err, checker.IsNil, check.Commentf("out: %v", out))

+

+	host, _ := dockerCmd(c, "run", "testbuildnetcontainer", "cat", "/otherhost")

+	c.Assert(strings.TrimSpace(host), check.Equals, "foobar")

+}