[PATCH] test_bin: SO_KEEPALIVE value only needs to be true

[Eric Wong <yahns-public@yhbt.net>]

From: Eric Wong <e@80x24.org>

On FreeBSD 10.3 (and presumably other *BSD TCP stacks, the value
of SO_KEEPALIVE returned by getsockopt is 8, even when set to
'1' via setsockopt.  Relax the test to only ensure the boolean
value is interpreted as "true".

Verified independently of Ruby using the following:
--------8<---------
	#include <sys/types.h>
	#include <sys/socket.h>
	#include <stdio.h>

static int err(const char *msg)
{
	perror(msg);
	return 1;
}

int main(void)
{
	int sv[2];
	int set = 1;
	int got;
	socklen_t len = (socklen_t) sizeof(int);
	int rc;

	rc = socketpair(PF_LOCAL, SOCK_STREAM, 0, sv);
	if (rc)
		return err("socketpair failed");

	rc = setsockopt(sv[0], SOL_SOCKET, SO_KEEPALIVE, &set, len);
	if (rc)
		return err("setsockopt failed");

	rc = getsockopt(sv[0], SOL_SOCKET, SO_KEEPALIVE, &got, &len);
	if (rc)
		return err("getsockopt failed");

	printf("got: %d\n", got);
	return 0;
}
---
 test/test_bin.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/test/test_bin.rb b/test/test_bin.rb
index be1c024..af990ad 100644
--- a/test/test_bin.rb
+++ b/test/test_bin.rb
@@ -35,7 +35,7 @@ def test_listen_fd3
       assert_equal "keep-alive", res["Connection"]
     end
 
-    assert_equal 1, @srv.getsockopt(:SOL_SOCKET, :SO_KEEPALIVE).int,
+    assert @srv.getsockopt(:SOL_SOCKET, :SO_KEEPALIVE).bool,
                  'ensure the inheriting process applies TCP socket options'
   ensure
     if pid
-- 
EW