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authorkosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-09-19 09:47:27 +0000
committerkosaki <kosaki@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2011-09-19 09:47:27 +0000
commitd4db53a0e00f06e44b583156359258aa213fda52 (patch)
tree641750f72f53aea0e3ef2622242fca79efeacf83 /test/-ext-
parentcb5f093e2a8ae721e90ce8f6a42e6e9d7784926b (diff)
* test/-ext-/old_thread_select/test_old_thread_select.rb:
select() with timeout may return early in old Linux kernels with 250 Hz tickrate and no dynticks, so skip everything older than 2.6.32 (which has long term support). And, Make the timing assertions consistently use assert_operator with timing difference in error message Patch by Eric Wong. [Bug #5335] [ruby-core:39618] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33296 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/-ext-')
-rw-r--r--test/-ext-/old_thread_select/test_old_thread_select.rb19
1 files changed, 12 insertions, 7 deletions
diff --git a/test/-ext-/old_thread_select/test_old_thread_select.rb b/test/-ext-/old_thread_select/test_old_thread_select.rb
index b70e1d3862d..5653dbc021b 100644
--- a/test/-ext-/old_thread_select/test_old_thread_select.rb
+++ b/test/-ext-/old_thread_select/test_old_thread_select.rb
@@ -3,6 +3,8 @@ require 'test/unit'
class TestOldThreadSelect < Test::Unit::TestCase
require '-test-/old_thread_select/old_thread_select'
+ ANCIENT_LINUX = RUBY_PLATFORM =~ /linux/ && `uname -r`.chomp < '2.6.32'
+
def with_pipe
r, w = IO.pipe
begin
@@ -19,9 +21,9 @@ class TestOldThreadSelect < Test::Unit::TestCase
rc = IO.old_thread_select([r.fileno], nil, nil, 0.001)
diff = Time.now - t0
assert_equal 0, rc
- assert_operator diff, :>=, 0.001, "returned too early"
+ assert_operator diff, :>=, 0.001, "returned too early: diff=#{diff}"
end
- end
+ end unless ANCIENT_LINUX
def test_old_select_error_timeout
bug5299 = '[ruby-core:39380]'
@@ -30,9 +32,9 @@ class TestOldThreadSelect < Test::Unit::TestCase
rc = IO.old_thread_select(nil, nil, [r.fileno], 0.001)
diff = Time.now - t0
assert_equal 0, rc, bug5299
- assert_operator diff, :>=, 0.001, "returned too early"
+ assert_operator diff, :>=, 0.001, "returned too early: diff=#{diff}"
end
- end
+ end unless ANCIENT_LINUX
def test_old_select_false_positive
bug5306 = '[ruby-core:39435]'
@@ -76,15 +78,18 @@ class TestOldThreadSelect < Test::Unit::TestCase
end
rc = nil
- t0 = Time.now
+ diff = nil
with_pipe do |r,w|
assert_nothing_raised do
+ t0 = Time.now
rc = IO.old_thread_select([r.fileno], nil, nil, 1)
+ diff = Time.now - t0
end
end
- diff = Time.now - t0
- assert_operator diff, :>=, 1.0, "interrupted or short wait"
+ unless ANCIENT_LINUX
+ assert_operator diff, :>=, 1, "interrupted or short wait: diff=#{diff}"
+ end
assert_equal 0, rc
assert_equal true, thr.value
assert_not_equal false, received, "SIGINT not received"