mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
b22a2803a8
The test could be flaky when a heap has below GC_HEAP_INIT_SLOTS number of free slots because it would trigger a major GC and allocate more pages.
602 lines
18 KiB
Ruby
602 lines
18 KiB
Ruby
# frozen_string_literal: false
|
|
require 'test/unit'
|
|
|
|
class TestGc < Test::Unit::TestCase
|
|
class S
|
|
def initialize(a)
|
|
@a = a
|
|
end
|
|
end
|
|
|
|
def test_gc
|
|
prev_stress = GC.stress
|
|
GC.stress = false
|
|
|
|
assert_nothing_raised do
|
|
tmp = nil
|
|
1.upto(10000) {
|
|
tmp = [0,1,2,3,4,5,6,7,8,9]
|
|
}
|
|
tmp
|
|
end
|
|
l=nil
|
|
100000.times {
|
|
l = S.new(l)
|
|
}
|
|
GC.start
|
|
assert true # reach here or dumps core
|
|
l = []
|
|
100000.times {
|
|
l.push([l])
|
|
}
|
|
GC.start
|
|
assert true # reach here or dumps core
|
|
|
|
GC.stress = prev_stress
|
|
end
|
|
|
|
def use_rgengc?
|
|
GC::OPTS.include? 'USE_RGENGC'.freeze
|
|
end
|
|
|
|
def test_enable_disable
|
|
GC.enable
|
|
assert_equal(false, GC.enable)
|
|
assert_equal(false, GC.disable)
|
|
assert_equal(true, GC.disable)
|
|
assert_equal(true, GC.disable)
|
|
assert_nil(GC.start)
|
|
assert_equal(true, GC.enable)
|
|
assert_equal(false, GC.enable)
|
|
ensure
|
|
GC.enable
|
|
end
|
|
|
|
def test_start_full_mark
|
|
return unless use_rgengc?
|
|
omit 'stress' if GC.stress
|
|
|
|
3.times { GC.start } # full mark and next time it should be minor mark
|
|
GC.start(full_mark: false)
|
|
assert_nil GC.latest_gc_info(:major_by)
|
|
|
|
GC.start(full_mark: true)
|
|
assert_not_nil GC.latest_gc_info(:major_by)
|
|
end
|
|
|
|
def test_start_immediate_sweep
|
|
omit 'stress' if GC.stress
|
|
|
|
GC.start(immediate_sweep: false)
|
|
assert_equal false, GC.latest_gc_info(:immediate_sweep)
|
|
|
|
GC.start(immediate_sweep: true)
|
|
assert_equal true, GC.latest_gc_info(:immediate_sweep)
|
|
end
|
|
|
|
def test_count
|
|
c = GC.count
|
|
GC.start
|
|
assert_operator(c, :<, GC.count)
|
|
end
|
|
|
|
def test_stat
|
|
res = GC.stat
|
|
assert_equal(false, res.empty?)
|
|
assert_kind_of(Integer, res[:count])
|
|
|
|
arg = Hash.new
|
|
res = GC.stat(arg)
|
|
assert_equal(arg, res)
|
|
assert_equal(false, res.empty?)
|
|
assert_kind_of(Integer, res[:count])
|
|
|
|
stat, count = {}, {}
|
|
2.times{ # to ignore const cache imemo creation
|
|
GC.start
|
|
GC.stat(stat)
|
|
ObjectSpace.count_objects(count)
|
|
# repeat same methods invocation for cache object creation.
|
|
GC.stat(stat)
|
|
ObjectSpace.count_objects(count)
|
|
}
|
|
assert_equal(count[:TOTAL]-count[:FREE], stat[:heap_live_slots])
|
|
assert_equal(count[:FREE], stat[:heap_free_slots])
|
|
|
|
# measure again without GC.start
|
|
2.times{ # to ignore const cache imemo creation
|
|
1000.times{ "a" + "b" }
|
|
GC.stat(stat)
|
|
ObjectSpace.count_objects(count)
|
|
}
|
|
assert_equal(count[:FREE], stat[:heap_free_slots])
|
|
end
|
|
|
|
def test_stat_argument
|
|
assert_raise_with_message(ArgumentError, /\u{30eb 30d3 30fc}/) {GC.stat(:"\u{30eb 30d3 30fc}")}
|
|
end
|
|
|
|
def test_stat_single
|
|
omit 'stress' if GC.stress
|
|
|
|
stat = GC.stat
|
|
assert_equal stat[:count], GC.stat(:count)
|
|
assert_raise(ArgumentError){ GC.stat(:invalid) }
|
|
end
|
|
|
|
def test_stat_constraints
|
|
omit 'stress' if GC.stress
|
|
|
|
stat = GC.stat
|
|
assert_equal stat[:total_allocated_pages], stat[:heap_allocated_pages] + stat[:total_freed_pages]
|
|
assert_operator stat[:heap_sorted_length], :>=, stat[:heap_eden_pages] + stat[:heap_allocatable_pages], "stat is: " + stat.inspect
|
|
assert_equal stat[:heap_available_slots], stat[:heap_live_slots] + stat[:heap_free_slots] + stat[:heap_final_slots]
|
|
assert_equal stat[:heap_live_slots], stat[:total_allocated_objects] - stat[:total_freed_objects] - stat[:heap_final_slots]
|
|
assert_equal stat[:heap_allocated_pages], stat[:heap_eden_pages] + stat[:heap_tomb_pages]
|
|
|
|
if use_rgengc?
|
|
assert_equal stat[:count], stat[:major_gc_count] + stat[:minor_gc_count]
|
|
end
|
|
end
|
|
|
|
def test_stat_heap
|
|
omit 'stress' if GC.stress
|
|
|
|
stat_heap = {}
|
|
stat = {}
|
|
# Initialize to prevent GC in future calls
|
|
GC.stat_heap(0, stat_heap)
|
|
GC.stat(stat)
|
|
|
|
GC::INTERNAL_CONSTANTS[:SIZE_POOL_COUNT].times do |i|
|
|
GC.stat_heap(i, stat_heap)
|
|
GC.stat(stat)
|
|
|
|
assert_equal GC::INTERNAL_CONSTANTS[:BASE_SLOT_SIZE] * (2**i), stat_heap[:slot_size]
|
|
assert_operator stat_heap[:heap_allocatable_pages], :<=, stat[:heap_allocatable_pages]
|
|
assert_operator stat_heap[:heap_eden_pages], :<=, stat[:heap_eden_pages]
|
|
assert_operator stat_heap[:heap_eden_slots], :>=, 0
|
|
assert_operator stat_heap[:heap_tomb_pages], :<=, stat[:heap_tomb_pages]
|
|
assert_operator stat_heap[:heap_tomb_slots], :>=, 0
|
|
assert_operator stat_heap[:total_allocated_pages], :>=, 0
|
|
assert_operator stat_heap[:total_freed_pages], :>=, 0
|
|
assert_operator stat_heap[:force_major_gc_count], :>=, 0
|
|
end
|
|
|
|
GC.stat_heap(0, stat_heap)
|
|
assert_equal stat_heap[:slot_size], GC.stat_heap(0, :slot_size)
|
|
assert_equal stat_heap[:slot_size], GC.stat_heap(0)[:slot_size]
|
|
|
|
assert_raise(ArgumentError) { GC.stat_heap(-1) }
|
|
assert_raise(ArgumentError) { GC.stat_heap(GC::INTERNAL_CONSTANTS[:SIZE_POOL_COUNT]) }
|
|
end
|
|
|
|
def test_stat_heap_all
|
|
stat_heap_all = {}
|
|
stat_heap = {}
|
|
|
|
2.times do
|
|
GC.stat_heap(0, stat_heap)
|
|
GC.stat_heap(nil, stat_heap_all)
|
|
end
|
|
|
|
GC::INTERNAL_CONSTANTS[:SIZE_POOL_COUNT].times do |i|
|
|
GC.stat_heap(i, stat_heap)
|
|
|
|
assert_equal stat_heap, stat_heap_all[i]
|
|
end
|
|
|
|
assert_raise(TypeError) { GC.stat_heap(nil, :slot_size) }
|
|
end
|
|
|
|
def test_stat_heap_constraints
|
|
omit 'stress' if GC.stress
|
|
|
|
stat = GC.stat
|
|
stat_heap = GC.stat_heap
|
|
GC.stat(stat)
|
|
GC.stat_heap(nil, stat_heap)
|
|
|
|
stat_heap_sum = Hash.new(0)
|
|
stat_heap.values.each do |hash|
|
|
hash.each { |k, v| stat_heap_sum[k] += v }
|
|
end
|
|
|
|
assert_equal stat[:heap_allocatable_pages], stat_heap_sum[:heap_allocatable_pages]
|
|
assert_equal stat[:heap_eden_pages], stat_heap_sum[:heap_eden_pages]
|
|
assert_equal stat[:heap_tomb_pages], stat_heap_sum[:heap_tomb_pages]
|
|
assert_equal stat[:heap_available_slots], stat_heap_sum[:heap_eden_slots] + stat_heap_sum[:heap_tomb_slots]
|
|
assert_equal stat[:total_allocated_pages], stat_heap_sum[:total_allocated_pages]
|
|
assert_equal stat[:total_freed_pages], stat_heap_sum[:total_freed_pages]
|
|
end
|
|
|
|
def test_latest_gc_info
|
|
omit 'stress' if GC.stress
|
|
|
|
assert_separately %w[--disable-gem], __FILE__, __LINE__, <<-'eom'
|
|
GC.start
|
|
count = GC.stat(:heap_free_slots) + GC.stat(:heap_allocatable_pages) * GC::INTERNAL_CONSTANTS[:HEAP_PAGE_OBJ_LIMIT]
|
|
count.times{ "a" + "b" }
|
|
assert_equal :newobj, GC.latest_gc_info[:gc_by]
|
|
eom
|
|
|
|
GC.latest_gc_info(h = {}) # allocate hash and rehearsal
|
|
GC.start
|
|
GC.start
|
|
GC.start
|
|
GC.latest_gc_info(h)
|
|
|
|
assert_equal :force, h[:major_by] if use_rgengc?
|
|
assert_equal :method, h[:gc_by]
|
|
assert_equal true, h[:immediate_sweep]
|
|
|
|
GC.stress = true
|
|
assert_equal :force, GC.latest_gc_info[:major_by]
|
|
ensure
|
|
GC.stress = false
|
|
end
|
|
|
|
def test_latest_gc_info_argument
|
|
info = {}
|
|
GC.latest_gc_info(info)
|
|
|
|
assert_not_empty info
|
|
assert_equal info[:gc_by], GC.latest_gc_info(:gc_by)
|
|
assert_raise(ArgumentError){ GC.latest_gc_info(:invalid) }
|
|
assert_raise_with_message(ArgumentError, /\u{30eb 30d3 30fc}/) {GC.latest_gc_info(:"\u{30eb 30d3 30fc}")}
|
|
end
|
|
|
|
def test_stress_compile_send
|
|
assert_in_out_err(%w[--disable-gems], <<-EOS, [], [], "")
|
|
GC.stress = true
|
|
begin
|
|
eval("A::B.c(1, 1, d: 234)")
|
|
rescue
|
|
end
|
|
EOS
|
|
end
|
|
|
|
def test_singleton_method
|
|
assert_in_out_err(%w[--disable-gems], <<-EOS, [], [], "[ruby-dev:42832]")
|
|
GC.stress = true
|
|
10.times do
|
|
obj = Object.new
|
|
def obj.foo() end
|
|
def obj.bar() raise "obj.foo is called, but this is obj.bar" end
|
|
obj.foo
|
|
end
|
|
EOS
|
|
end
|
|
|
|
def test_singleton_method_added
|
|
assert_in_out_err(%w[--disable-gems], <<-EOS, [], [], "[ruby-dev:44436]")
|
|
class BasicObject
|
|
undef singleton_method_added
|
|
def singleton_method_added(mid)
|
|
raise
|
|
end
|
|
end
|
|
b = proc {}
|
|
class << b; end
|
|
b.clone rescue nil
|
|
GC.start
|
|
EOS
|
|
end
|
|
|
|
def test_gc_parameter
|
|
env = {
|
|
"RUBY_GC_MALLOC_LIMIT" => "60000000",
|
|
"RUBY_GC_HEAP_INIT_SLOTS" => "100000"
|
|
}
|
|
assert_normal_exit("exit", "[ruby-core:39777]", :child_env => env)
|
|
|
|
env = {
|
|
"RUBYOPT" => "",
|
|
"RUBY_GC_HEAP_INIT_SLOTS" => "100000"
|
|
}
|
|
assert_in_out_err([env, "-e", "exit"], "", [], [], "[ruby-core:39795]")
|
|
assert_in_out_err([env, "-W0", "-e", "exit"], "", [], [], "[ruby-core:39795]")
|
|
assert_in_out_err([env, "-W1", "-e", "exit"], "", [], [], "[ruby-core:39795]")
|
|
assert_in_out_err([env, "-w", "-e", "exit"], "", [], /RUBY_GC_HEAP_INIT_SLOTS=100000/, "[ruby-core:39795]")
|
|
|
|
env = {
|
|
"RUBY_GC_HEAP_GROWTH_FACTOR" => "2.0",
|
|
"RUBY_GC_HEAP_GROWTH_MAX_SLOTS" => "10000"
|
|
}
|
|
assert_normal_exit("exit", "", :child_env => env)
|
|
assert_in_out_err([env, "-w", "-e", "exit"], "", [], /RUBY_GC_HEAP_GROWTH_FACTOR=2.0/, "")
|
|
assert_in_out_err([env, "-w", "-e", "exit"], "", [], /RUBY_GC_HEAP_GROWTH_MAX_SLOTS=10000/, "[ruby-core:57928]")
|
|
|
|
env = {
|
|
"RUBY_GC_HEAP_INIT_SLOTS" => "100000",
|
|
"RUBY_GC_HEAP_FREE_SLOTS" => "10000",
|
|
"RUBY_GC_HEAP_OLDOBJECT_LIMIT_FACTOR" => "0.9",
|
|
}
|
|
assert_normal_exit("exit", "", :child_env => env)
|
|
assert_in_out_err([env, "-w", "-e", "exit"], "", [], /RUBY_GC_HEAP_OLDOBJECT_LIMIT_FACTOR=0\.9/, "")
|
|
|
|
# always full GC when RUBY_GC_HEAP_OLDOBJECT_LIMIT_FACTOR < 1.0
|
|
assert_in_out_err([env, "-e", "1000_000.times{Object.new}; p(GC.stat[:minor_gc_count] < GC.stat[:major_gc_count])"], "", ['true'], //, "") if use_rgengc?
|
|
|
|
env = {
|
|
"RUBY_GC_MALLOC_LIMIT" => "60000000",
|
|
"RUBY_GC_MALLOC_LIMIT_MAX" => "160000000",
|
|
"RUBY_GC_MALLOC_LIMIT_GROWTH_FACTOR" => "2.0"
|
|
}
|
|
assert_normal_exit("exit", "", :child_env => env)
|
|
assert_in_out_err([env, "-w", "-e", "exit"], "", [], /RUBY_GC_MALLOC_LIMIT=6000000/, "")
|
|
assert_in_out_err([env, "-w", "-e", "exit"], "", [], /RUBY_GC_MALLOC_LIMIT_MAX=16000000/, "")
|
|
assert_in_out_err([env, "-w", "-e", "exit"], "", [], /RUBY_GC_MALLOC_LIMIT_GROWTH_FACTOR=2.0/, "")
|
|
|
|
if use_rgengc?
|
|
env = {
|
|
"RUBY_GC_OLDMALLOC_LIMIT" => "60000000",
|
|
"RUBY_GC_OLDMALLOC_LIMIT_MAX" => "160000000",
|
|
"RUBY_GC_OLDMALLOC_LIMIT_GROWTH_FACTOR" => "2.0"
|
|
}
|
|
assert_normal_exit("exit", "", :child_env => env)
|
|
assert_in_out_err([env, "-w", "-e", "exit"], "", [], /RUBY_GC_OLDMALLOC_LIMIT=6000000/, "")
|
|
assert_in_out_err([env, "-w", "-e", "exit"], "", [], /RUBY_GC_OLDMALLOC_LIMIT_MAX=16000000/, "")
|
|
assert_in_out_err([env, "-w", "-e", "exit"], "", [], /RUBY_GC_OLDMALLOC_LIMIT_GROWTH_FACTOR=2.0/, "")
|
|
end
|
|
end
|
|
|
|
def test_profiler_enabled
|
|
GC::Profiler.enable
|
|
assert_equal(true, GC::Profiler.enabled?)
|
|
GC::Profiler.disable
|
|
assert_equal(false, GC::Profiler.enabled?)
|
|
ensure
|
|
GC::Profiler.disable
|
|
end
|
|
|
|
def test_profiler_clear
|
|
omit "for now"
|
|
assert_separately %w[--disable-gem], __FILE__, __LINE__, <<-'eom', timeout: 30
|
|
GC::Profiler.enable
|
|
|
|
GC.start
|
|
assert_equal(1, GC::Profiler.raw_data.size)
|
|
GC::Profiler.clear
|
|
assert_equal(0, GC::Profiler.raw_data.size)
|
|
|
|
200.times{ GC.start }
|
|
assert_equal(200, GC::Profiler.raw_data.size)
|
|
GC::Profiler.clear
|
|
assert_equal(0, GC::Profiler.raw_data.size)
|
|
eom
|
|
end
|
|
|
|
def test_profiler_total_time
|
|
GC::Profiler.enable
|
|
GC::Profiler.clear
|
|
|
|
GC.start
|
|
assert_operator(GC::Profiler.total_time, :>=, 0)
|
|
ensure
|
|
GC::Profiler.disable
|
|
end
|
|
|
|
def test_finalizing_main_thread
|
|
assert_in_out_err(%w[--disable-gems], <<-EOS, ["\"finalize\""], [], "[ruby-dev:46647]")
|
|
ObjectSpace.define_finalizer(Thread.main) { p 'finalize' }
|
|
EOS
|
|
end
|
|
|
|
def test_expand_heap
|
|
assert_separately %w[--disable-gem], __FILE__, __LINE__, <<-'eom'
|
|
GC.start
|
|
base_length = GC.stat[:heap_eden_pages]
|
|
(base_length * 500).times{ 'a' }
|
|
GC.start
|
|
base_length = GC.stat[:heap_eden_pages]
|
|
(base_length * 500).times{ 'a' }
|
|
GC.start
|
|
assert_in_epsilon base_length, (v = GC.stat[:heap_eden_pages]), 1/8r,
|
|
"invalid heap expanding (base_length: #{base_length}, GC.stat[:heap_eden_pages]: #{v})"
|
|
|
|
a = []
|
|
(base_length * 500).times{ a << 'a'; nil }
|
|
GC.start
|
|
assert_operator base_length, :<, GC.stat[:heap_eden_pages] + 1
|
|
eom
|
|
end
|
|
|
|
def test_thrashing_for_young_objects
|
|
# This test prevents bugs like [Bug #18929]
|
|
|
|
assert_separately %w[--disable-gem], __FILE__, __LINE__, <<-'RUBY'
|
|
# Grow the heap
|
|
@ary = 100_000.times.map { Object.new }
|
|
|
|
# Warmup to make sure heap stabilizes
|
|
1_000_000.times { Object.new }
|
|
|
|
before_stats = GC.stat
|
|
before_stat_heap = GC.stat_heap
|
|
|
|
1_000_000.times { Object.new }
|
|
|
|
# Previous loop may have caused GC to be in an intermediate state,
|
|
# running a minor GC here will guarantee that GC will be complete
|
|
GC.start(full_mark: false)
|
|
|
|
after_stats = GC.stat
|
|
after_stat_heap = GC.stat_heap
|
|
|
|
# Debugging output to for failures in trunk-repeat50@phosphorus-docker
|
|
debug_msg = "before_stats: #{before_stats}\nbefore_stat_heap: #{before_stat_heap}\nafter_stats: #{after_stats}\nafter_stat_heap: #{after_stat_heap}"
|
|
|
|
# Should not be thrashing in page creation
|
|
assert_equal before_stats[:heap_allocated_pages], after_stats[:heap_allocated_pages], debug_msg
|
|
assert_equal 0, after_stats[:heap_tomb_pages], debug_msg
|
|
assert_equal 0, after_stats[:total_freed_pages], debug_msg
|
|
# Only young objects, so should not trigger major GC
|
|
assert_equal before_stats[:major_gc_count], after_stats[:major_gc_count], debug_msg
|
|
RUBY
|
|
end
|
|
|
|
def test_gc_internals
|
|
assert_not_nil GC::INTERNAL_CONSTANTS[:HEAP_PAGE_OBJ_LIMIT]
|
|
assert_not_nil GC::INTERNAL_CONSTANTS[:RVALUE_SIZE]
|
|
end
|
|
|
|
def test_sweep_in_finalizer
|
|
bug9205 = '[ruby-core:58833] [Bug #9205]'
|
|
2.times do
|
|
assert_ruby_status([], <<-'end;', bug9205, timeout: 120)
|
|
raise_proc = proc do |id|
|
|
GC.start
|
|
end
|
|
1000.times do
|
|
ObjectSpace.define_finalizer(Object.new, raise_proc)
|
|
end
|
|
end;
|
|
end
|
|
end
|
|
|
|
def test_exception_in_finalizer
|
|
bug9168 = '[ruby-core:58652] [Bug #9168]'
|
|
assert_normal_exit(<<-'end;', bug9168, encoding: Encoding::ASCII_8BIT)
|
|
raise_proc = proc {raise}
|
|
10000.times do
|
|
ObjectSpace.define_finalizer(Object.new, raise_proc)
|
|
Thread.handle_interrupt(RuntimeError => :immediate) {break}
|
|
Thread.handle_interrupt(RuntimeError => :on_blocking) {break}
|
|
Thread.handle_interrupt(RuntimeError => :never) {break}
|
|
end
|
|
end;
|
|
end
|
|
|
|
def test_interrupt_in_finalizer
|
|
bug10595 = '[ruby-core:66825] [Bug #10595]'
|
|
src = <<-'end;'
|
|
Signal.trap(:INT, 'DEFAULT')
|
|
pid = $$
|
|
Thread.start do
|
|
10.times {
|
|
sleep 0.1
|
|
Process.kill("INT", pid) rescue break
|
|
}
|
|
end
|
|
f = proc {1000.times {}}
|
|
loop do
|
|
ObjectSpace.define_finalizer(Object.new, f)
|
|
end
|
|
end;
|
|
out, err, status = assert_in_out_err(["-e", src], "", [], [], bug10595, signal: :SEGV) do |*result|
|
|
break result
|
|
end
|
|
unless /mswin|mingw/ =~ RUBY_PLATFORM
|
|
assert_equal("INT", Signal.signame(status.termsig), bug10595)
|
|
end
|
|
assert_match(/Interrupt/, err.first, proc {err.join("\n")})
|
|
assert_empty(out)
|
|
end
|
|
|
|
def test_finalizer_passed_object_id
|
|
assert_in_out_err(%w[--disable-gems], <<-EOS, ["true"], [])
|
|
o = Object.new
|
|
obj_id = o.object_id
|
|
ObjectSpace.define_finalizer(o, ->(id){ p id == obj_id })
|
|
EOS
|
|
end
|
|
|
|
def test_verify_internal_consistency
|
|
assert_nil(GC.verify_internal_consistency)
|
|
end
|
|
|
|
def test_gc_stress_on_realloc
|
|
assert_normal_exit(<<-'end;', '[Bug #9859]')
|
|
class C
|
|
def initialize
|
|
@a = nil
|
|
@b = nil
|
|
@c = nil
|
|
@d = nil
|
|
@e = nil
|
|
@f = nil
|
|
end
|
|
end
|
|
|
|
GC.stress = true
|
|
C.new
|
|
end;
|
|
end
|
|
|
|
def test_gc_stress_at_startup
|
|
assert_in_out_err([{"RUBY_DEBUG"=>"gc_stress"}], '', [], [], '[Bug #15784]', success: true, timeout: 60)
|
|
end
|
|
|
|
def test_gc_disabled_start
|
|
begin
|
|
disabled = GC.disable
|
|
c = GC.count
|
|
GC.start
|
|
assert_equal 1, GC.count - c
|
|
ensure
|
|
GC.enable unless disabled
|
|
end
|
|
end
|
|
|
|
def test_vm_object
|
|
assert_normal_exit <<-'end', '[Bug #12583]'
|
|
ObjectSpace.each_object{|o| o.singleton_class rescue 0}
|
|
ObjectSpace.each_object{|o| case o when Module then o.instance_methods end}
|
|
end
|
|
end
|
|
|
|
def test_exception_in_finalizer_procs
|
|
assert_in_out_err(["-W0"], "#{<<~"begin;"}\n#{<<~'end;'}", %w[c1 c2])
|
|
c1 = proc do
|
|
puts "c1"
|
|
raise
|
|
end
|
|
c2 = proc do
|
|
puts "c2"
|
|
raise
|
|
end
|
|
begin;
|
|
tap do
|
|
obj = Object.new
|
|
ObjectSpace.define_finalizer(obj, c1)
|
|
ObjectSpace.define_finalizer(obj, c2)
|
|
obj = nil
|
|
end
|
|
end;
|
|
end
|
|
|
|
def test_exception_in_finalizer_method
|
|
assert_in_out_err(["-W0"], "#{<<~"begin;"}\n#{<<~'end;'}", %w[c1 c2])
|
|
def self.c1(x)
|
|
puts "c1"
|
|
raise
|
|
end
|
|
def self.c2(x)
|
|
puts "c2"
|
|
raise
|
|
end
|
|
begin;
|
|
tap do
|
|
obj = Object.new
|
|
ObjectSpace.define_finalizer(obj, method(:c1))
|
|
ObjectSpace.define_finalizer(obj, method(:c2))
|
|
obj = nil
|
|
end
|
|
end;
|
|
end
|
|
|
|
def test_object_ids_never_repeat
|
|
GC.start
|
|
a = 1000.times.map { Object.new.object_id }
|
|
GC.start
|
|
b = 1000.times.map { Object.new.object_id }
|
|
assert_empty(a & b)
|
|
end
|
|
|
|
def test_ast_node_buffer
|
|
# https://github.com/ruby/ruby/pull/4416
|
|
Module.new.class_eval( (["# shareable_constant_value: literal"] +
|
|
(0..100000).map {|i| "M#{ i } = {}" }).join("\n"))
|
|
end
|
|
end
|