diff options
Diffstat (limited to 'test/-ext-/debug/test_profile_frames.rb')
-rw-r--r-- | test/-ext-/debug/test_profile_frames.rb | 89 |
1 files changed, 88 insertions, 1 deletions
diff --git a/test/-ext-/debug/test_profile_frames.rb b/test/-ext-/debug/test_profile_frames.rb index e0152247e7..bd819266df 100644 --- a/test/-ext-/debug/test_profile_frames.rb +++ b/test/-ext-/debug/test_profile_frames.rb @@ -14,6 +14,8 @@ class SampleClassForTestProfileFrames end class Sample2 + EVAL_LINE = __LINE__ + 3 + def baz(block) instance_eval "def zab(block) block.call end" [self, zab(block)] @@ -37,6 +39,20 @@ class SampleClassForTestProfileFrames end end +class SampleClassForTestProfileThreadFrames + def initialize(mutex) + @mutex = mutex + end + + def foo(block) + bar(block) + end + + def bar(block) + block.call + end +end + class TestProfileFrames < Test::Unit::TestCase def test_profile_frames obj, frames = Fiber.new{ @@ -112,7 +128,7 @@ class TestProfileFrames < Test::Unit::TestCase "SampleClassForTestProfileFrames#foo", "TestProfileFrames#test_profile_frames", ] - paths = [ nil, file=__FILE__, "(eval)", file, file, file, file, file, file, nil ] + paths = [ nil, file=__FILE__, "(eval at #{__FILE__}:#{SampleClassForTestProfileFrames::Sample2::EVAL_LINE})", file, file, file, file, file, file, nil ] absolute_paths = [ "<cfunc>", file, nil, file, file, file, file, file, file, nil ] assert_equal(labels.size, frames.size) @@ -137,6 +153,73 @@ class TestProfileFrames < Test::Unit::TestCase } end + def test_profile_thread_frames + mutex = Mutex.new + th = Thread.new do + mutex.lock + Thread.stop + SampleClassForTestProfileThreadFrames.new(mutex).foo(lambda { mutex.unlock; loop { sleep(1) } } ) + end + + # ensure execution has reached SampleClassForTestProfileThreadFrames#bar before running profile_thread_frames + loop { break if th.status == "sleep"; sleep 0.1 } + th.run + mutex.lock # wait until SampleClassForTestProfileThreadFrames#bar has been called + + frames = Bug::Debug.profile_thread_frames(th, 0, 10) + + full_labels = [ + "Kernel#sleep", + "TestProfileFrames#test_profile_thread_frames", + "Kernel#loop", + "TestProfileFrames#test_profile_thread_frames", + "SampleClassForTestProfileThreadFrames#bar", + "SampleClassForTestProfileThreadFrames#foo", + "TestProfileFrames#test_profile_thread_frames", + ] + + frames.each.with_index do |frame, i| + assert_equal(full_labels[i], frame) + end + + ensure + th.kill + th.join + end + + + def test_matches_backtrace_locations_main_thread + assert_equal(Thread.current, Thread.main) + + # Keep these in the same line, so the backtraces match exactly + backtrace_locations, profile_frames = [Thread.current.backtrace_locations, Bug::Debug.profile_frames(0, 100)] + + errmsg = "backtrace_locations:\n " + backtrace_locations.map.with_index{|loc, i| "#{i} #{loc}"}.join("\n ") + errmsg += "\n\nprofile_frames:\n " + profile_frames.map.with_index{|(path, absolute_path, _, base_label, _, _, _, _, _, full_label, lineno), i| + if lineno + "#{i} #{absolute_path}:#{lineno} // #{full_label}" + else + "#{i} #{absolute_path} #{full_label}" + end + }.join("\n ") + assert_equal(backtrace_locations.size, profile_frames.size, errmsg) + + # The first entries are not going to match, since one is #backtrace_locations and the other #profile_frames + backtrace_locations.shift + profile_frames.shift + + # The rest of the stack is expected to look the same... + backtrace_locations.zip(profile_frames).each.with_index do |(location, (path, absolute_path, _, base_label, _, _, _, _, _, _, lineno)), i| + next if absolute_path == "<cfunc>" # ...except for cfunc frames + + err_msg = "#{i}th frame" + assert_equal(location.absolute_path, absolute_path, err_msg) + assert_equal(location.base_label, base_label, err_msg) + assert_equal(location.lineno, lineno, err_msg) + assert_equal(location.path, path, err_msg) + end + end + def test_ifunc_frame bug11851 = '[ruby-core:72409] [Bug #11851]' assert_ruby_status([], <<~'end;', bug11851) # do @@ -153,4 +236,8 @@ class TestProfileFrames < Test::Unit::TestCase a end; end + + def test_start + assert_equal Bug::Debug.profile_frames(0, 10).tap(&:shift), Bug::Debug.profile_frames(1, 9) + end end |