From b5a3b179fd8a5079d044b1360f2e5922e5b00b91 Mon Sep 17 00:00:00 2001 From: Eric Wong Date: Fri, 16 Dec 2016 10:29:55 +0000 Subject: test: increase test data sizes to fill socket buffers Some Debian build machines use insanely large socket buffers, so increase our test buffers to large values to force EAGAIN: https://bugs.debian.org/830353 In my experience, using setsockopt to clamp buffers to small sizes can lead to unpredictable stalls, too, so it might not be good to do in a test case, either. --- test/lib_read_write.rb | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/test/lib_read_write.rb b/test/lib_read_write.rb index 26e7aef..5f70964 100644 --- a/test/lib_read_write.rb +++ b/test/lib_read_write.rb @@ -7,7 +7,12 @@ $-w = true require 'kgio' module LibReadWriteTest - RANDOM_BLOB = File.open("/dev/urandom") { |fp| fp.read(10 * 1024 * 1024) } + RANDOM_BLOB = File.open("/dev/urandom") do |fp| + nr = 31 + buf = fp.read(nr) + # get roughly a 20MB block of random data + (buf * (20 * 1024 * 1024 / nr)) + (buf * rand(123)) + end def teardown @rd.close if defined?(@rd) && ! @rd.closed? @@ -369,7 +374,7 @@ module LibReadWriteTest @nr += 1 IO.select(nil, [self]) end - buf = "." * 1024 * 1024 * 10 + buf = RANDOM_BLOB thr = Thread.new { @wr.kgio_write(buf) } Thread.pass until thr.stop? readed = @rd.read(buf.size) @@ -385,7 +390,7 @@ module LibReadWriteTest @nr += 1 IO.select(nil, [self]) end - buf = ["." * 1024] * 1024 * 10 + buf = [ RANDOM_BLOB, RANDOM_BLOB ] buf_size = buf.inject(0){|c, s| c + s.size} thr = Thread.new { @wr.kgio_writev(buf) } Thread.pass until thr.stop? -- cgit v1.2.3-24-ge0c7