mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
c92322b537
* ext/objspace/objspace_dump.c: support special constant objects. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52191 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
375 lines
12 KiB
Ruby
375 lines
12 KiB
Ruby
require "test/unit"
|
|
require "objspace"
|
|
|
|
class TestObjSpace < Test::Unit::TestCase
|
|
def test_memsize_of
|
|
assert_equal(0, ObjectSpace.memsize_of(true))
|
|
assert_equal(0, ObjectSpace.memsize_of(nil))
|
|
assert_equal(0, ObjectSpace.memsize_of(1))
|
|
assert_kind_of(Integer, ObjectSpace.memsize_of(Object.new))
|
|
assert_kind_of(Integer, ObjectSpace.memsize_of(Class))
|
|
assert_kind_of(Integer, ObjectSpace.memsize_of(""))
|
|
assert_kind_of(Integer, ObjectSpace.memsize_of([]))
|
|
assert_kind_of(Integer, ObjectSpace.memsize_of({}))
|
|
assert_kind_of(Integer, ObjectSpace.memsize_of(//))
|
|
f = File.new(__FILE__)
|
|
assert_kind_of(Integer, ObjectSpace.memsize_of(f))
|
|
f.close
|
|
assert_kind_of(Integer, ObjectSpace.memsize_of(/a/.match("a")))
|
|
assert_kind_of(Integer, ObjectSpace.memsize_of(Struct.new(:a)))
|
|
|
|
assert_operator(ObjectSpace.memsize_of(Regexp.new("(a)"*1000).match("a"*1000)),
|
|
:>,
|
|
ObjectSpace.memsize_of(//.match("")))
|
|
end
|
|
|
|
def test_memsize_of_root_shared_string
|
|
a = "hello" * 5
|
|
b = a.dup
|
|
c = nil
|
|
ObjectSpace.each_object(String) {|x| break c = x if x == a and x.frozen?}
|
|
rv_size = GC::INTERNAL_CONSTANTS[:RVALUE_SIZE]
|
|
assert_equal([rv_size, rv_size, 26 + rv_size], [a, b, c].map {|x| ObjectSpace.memsize_of(x)})
|
|
end
|
|
|
|
def test_argf_memsize
|
|
size = ObjectSpace.memsize_of(ARGF)
|
|
assert_kind_of(Integer, size)
|
|
assert_operator(size, :>, 0)
|
|
argf = ARGF.dup
|
|
argf.inplace_mode = nil
|
|
size = ObjectSpace.memsize_of(argf)
|
|
argf.inplace_mode = "inplace_mode_suffix"
|
|
assert_equal(size + 20, ObjectSpace.memsize_of(argf))
|
|
end
|
|
|
|
def test_memsize_of_all
|
|
assert_kind_of(Integer, a = ObjectSpace.memsize_of_all)
|
|
assert_kind_of(Integer, b = ObjectSpace.memsize_of_all(String))
|
|
assert_operator(a, :>, b)
|
|
assert_operator(a, :>, 0)
|
|
assert_operator(b, :>, 0)
|
|
assert_raise(TypeError) {ObjectSpace.memsize_of_all('error')}
|
|
end
|
|
|
|
def test_count_objects_size
|
|
res = ObjectSpace.count_objects_size
|
|
assert_not_empty(res)
|
|
assert_operator(res[:TOTAL], :>, 0)
|
|
arg = {}
|
|
ObjectSpace.count_objects_size(arg)
|
|
assert_not_empty(arg)
|
|
end
|
|
|
|
def test_count_nodes
|
|
res = ObjectSpace.count_nodes
|
|
assert_not_empty(res)
|
|
arg = {}
|
|
ObjectSpace.count_nodes(arg)
|
|
assert_not_empty(arg)
|
|
bug8014 = '[ruby-core:53130] [Bug #8014]'
|
|
assert_empty(arg.select {|k, v| !(Symbol === k && Integer === v)}, bug8014)
|
|
end if false
|
|
|
|
def test_count_tdata_objects
|
|
res = ObjectSpace.count_tdata_objects
|
|
assert_not_empty(res)
|
|
arg = {}
|
|
ObjectSpace.count_tdata_objects(arg)
|
|
assert_not_empty(arg)
|
|
end
|
|
|
|
def test_count_imemo_objects
|
|
res = ObjectSpace.count_imemo_objects
|
|
assert_not_empty(res)
|
|
assert_not_nil(res[:imemo_cref])
|
|
arg = {}
|
|
res = ObjectSpace.count_imemo_objects(arg)
|
|
assert_not_empty(res)
|
|
end
|
|
|
|
def test_memsize_of_iseq
|
|
iseqw = RubyVM::InstructionSequence.compile('def a; a = :b; end')
|
|
base_obj_size = ObjectSpace.memsize_of(Object.new)
|
|
assert_operator(ObjectSpace.memsize_of(iseqw), :>, base_obj_size)
|
|
end
|
|
|
|
def test_reachable_objects_from
|
|
assert_separately %w[--disable-gem -robjspace], __FILE__, __LINE__, <<-'eom'
|
|
assert_equal(nil, ObjectSpace.reachable_objects_from(nil))
|
|
assert_equal([Array, 'a', 'b', 'c'], ObjectSpace.reachable_objects_from(['a', 'b', 'c']))
|
|
|
|
assert_equal([Array, 'a', 'a', 'a'], ObjectSpace.reachable_objects_from(['a', 'a', 'a']))
|
|
assert_equal([Array, 'a', 'a'], ObjectSpace.reachable_objects_from(['a', v = 'a', v]))
|
|
assert_equal([Array, 'a'], ObjectSpace.reachable_objects_from([v = 'a', v, v]))
|
|
|
|
long_ary = Array.new(1_000){''}
|
|
max = 0
|
|
|
|
ObjectSpace.each_object{|o|
|
|
refs = ObjectSpace.reachable_objects_from(o)
|
|
max = [refs.size, max].max
|
|
|
|
unless refs.nil?
|
|
refs.each_with_index {|ro, i|
|
|
assert_not_nil(ro, "#{i}: this referenced object is internal object")
|
|
}
|
|
end
|
|
}
|
|
assert_operator(max, :>=, long_ary.size+1, "1000 elems + Array class")
|
|
eom
|
|
end
|
|
|
|
def test_reachable_objects_from_root
|
|
root_objects = ObjectSpace.reachable_objects_from_root
|
|
|
|
assert_operator(root_objects.size, :>, 0)
|
|
|
|
root_objects.each{|category, objects|
|
|
assert_kind_of(String, category)
|
|
assert_kind_of(Array, objects)
|
|
assert_operator(objects.size, :>, 0)
|
|
}
|
|
end
|
|
|
|
def test_reachable_objects_size
|
|
assert_separately %w[--disable-gem -robjspace], __FILE__, __LINE__, <<-'eom'
|
|
ObjectSpace.each_object{|o|
|
|
ObjectSpace.reachable_objects_from(o).each{|reached_obj|
|
|
size = ObjectSpace.memsize_of(reached_obj)
|
|
assert_kind_of(Integer, size)
|
|
assert_operator(size, :>=, 0)
|
|
}
|
|
}
|
|
eom
|
|
end
|
|
|
|
def test_trace_object_allocations
|
|
Class.name
|
|
o0 = Object.new
|
|
ObjectSpace.trace_object_allocations{
|
|
o1 = Object.new; line1 = __LINE__; c1 = GC.count
|
|
o2 = "xyzzy" ; line2 = __LINE__; c2 = GC.count
|
|
o3 = [1, 2] ; line3 = __LINE__; c3 = GC.count
|
|
|
|
assert_equal(nil, ObjectSpace.allocation_sourcefile(o0))
|
|
assert_equal(nil, ObjectSpace.allocation_sourceline(o0))
|
|
assert_equal(nil, ObjectSpace.allocation_generation(o0))
|
|
|
|
assert_equal(line1, ObjectSpace.allocation_sourceline(o1))
|
|
assert_equal(__FILE__, ObjectSpace.allocation_sourcefile(o1))
|
|
assert_equal(c1, ObjectSpace.allocation_generation(o1))
|
|
assert_equal(Class.name, ObjectSpace.allocation_class_path(o1))
|
|
assert_equal(:new, ObjectSpace.allocation_method_id(o1))
|
|
|
|
assert_equal(__FILE__, ObjectSpace.allocation_sourcefile(o2))
|
|
assert_equal(line2, ObjectSpace.allocation_sourceline(o2))
|
|
assert_equal(c2, ObjectSpace.allocation_generation(o2))
|
|
assert_equal(self.class.name, ObjectSpace.allocation_class_path(o2))
|
|
assert_equal(__method__, ObjectSpace.allocation_method_id(o2))
|
|
|
|
assert_equal(__FILE__, ObjectSpace.allocation_sourcefile(o3))
|
|
assert_equal(line3, ObjectSpace.allocation_sourceline(o3))
|
|
assert_equal(c3, ObjectSpace.allocation_generation(o3))
|
|
assert_equal(self.class.name, ObjectSpace.allocation_class_path(o3))
|
|
assert_equal(__method__, ObjectSpace.allocation_method_id(o3))
|
|
}
|
|
end
|
|
|
|
def test_trace_object_allocations_start_stop_clear
|
|
ObjectSpace.trace_object_allocations_clear # clear object_table to get rid of erroneous detection for obj3
|
|
GC.disable # suppress potential object reuse. see [Bug #11271]
|
|
begin
|
|
ObjectSpace.trace_object_allocations_start
|
|
begin
|
|
ObjectSpace.trace_object_allocations_start
|
|
begin
|
|
ObjectSpace.trace_object_allocations_start
|
|
obj0 = Object.new
|
|
ensure
|
|
ObjectSpace.trace_object_allocations_stop
|
|
obj1 = Object.new
|
|
end
|
|
ensure
|
|
ObjectSpace.trace_object_allocations_stop
|
|
obj2 = Object.new
|
|
end
|
|
ensure
|
|
ObjectSpace.trace_object_allocations_stop
|
|
obj3 = Object.new
|
|
end
|
|
|
|
assert_equal(__FILE__, ObjectSpace.allocation_sourcefile(obj0))
|
|
assert_equal(__FILE__, ObjectSpace.allocation_sourcefile(obj1))
|
|
assert_equal(__FILE__, ObjectSpace.allocation_sourcefile(obj2))
|
|
assert_equal(nil , ObjectSpace.allocation_sourcefile(obj3)) # after tracing
|
|
|
|
ObjectSpace.trace_object_allocations_clear
|
|
assert_equal(nil, ObjectSpace.allocation_sourcefile(obj0))
|
|
assert_equal(nil, ObjectSpace.allocation_sourcefile(obj1))
|
|
assert_equal(nil, ObjectSpace.allocation_sourcefile(obj2))
|
|
assert_equal(nil, ObjectSpace.allocation_sourcefile(obj3))
|
|
ensure
|
|
GC.enable
|
|
end
|
|
|
|
def test_dump_flags
|
|
info = ObjectSpace.dump("foo".freeze)
|
|
assert_match /"wb_protected":true, "old":true/, info
|
|
assert_match /"fstring":true/, info
|
|
end
|
|
|
|
def test_dump_to_default
|
|
line = nil
|
|
info = nil
|
|
ObjectSpace.trace_object_allocations do
|
|
line = __LINE__ + 1
|
|
str = "hello world"
|
|
info = ObjectSpace.dump(str)
|
|
end
|
|
assert_dump_object(info, line)
|
|
end
|
|
|
|
def test_dump_to_io
|
|
line = nil
|
|
info = IO.pipe do |r, w|
|
|
th = Thread.start {r.read}
|
|
ObjectSpace.trace_object_allocations do
|
|
line = __LINE__ + 1
|
|
str = "hello world"
|
|
ObjectSpace.dump(str, output: w)
|
|
end
|
|
w.close
|
|
th.value
|
|
end
|
|
assert_dump_object(info, line)
|
|
end
|
|
|
|
def assert_dump_object(info, line)
|
|
loc = caller_locations(1, 1)[0]
|
|
assert_match /"type":"STRING"/, info
|
|
assert_match /"embedded":true, "bytesize":11, "value":"hello world", "encoding":"UTF-8"/, info
|
|
assert_match /"file":"#{Regexp.escape __FILE__}", "line":#{line}/, info
|
|
assert_match /"method":"#{loc.base_label}"/, info
|
|
end
|
|
|
|
def test_dump_special_consts
|
|
# [ruby-core:69692] [Bug #11291]
|
|
assert_equal('null', ObjectSpace.dump(nil))
|
|
assert_equal('true', ObjectSpace.dump(true))
|
|
assert_equal('false', ObjectSpace.dump(false))
|
|
assert_equal('0', ObjectSpace.dump(0))
|
|
assert_equal('{"type":"SYMBOL", "value":"foo"}', ObjectSpace.dump(:foo))
|
|
end
|
|
|
|
def test_dump_dynamic_symbol
|
|
dump = ObjectSpace.dump(("foobar%x" % rand(0x10000)).to_sym)
|
|
assert_match /"type":"SYMBOL"/, dump
|
|
assert_match /"value":"foobar\h+"/, dump
|
|
end
|
|
|
|
def test_dump_all
|
|
entry = /"bytesize":11, "value":"TEST STRING", "encoding":"UTF-8", "file":"-", "line":4, "method":"dump_my_heap_please", "generation":/
|
|
|
|
assert_in_out_err(%w[-robjspace], <<-'end;') do |output, error|
|
|
def dump_my_heap_please
|
|
ObjectSpace.trace_object_allocations_start
|
|
GC.start
|
|
str = "TEST STRING".force_encoding("UTF-8")
|
|
ObjectSpace.dump_all(output: :stdout)
|
|
end
|
|
|
|
dump_my_heap_please
|
|
end;
|
|
assert_match(entry, output.grep(/TEST STRING/).join("\n"))
|
|
end
|
|
|
|
assert_in_out_err(%w[-robjspace], <<-'end;') do |(output), (error)|
|
|
def dump_my_heap_please
|
|
ObjectSpace.trace_object_allocations_start
|
|
GC.start
|
|
str = "TEST STRING".force_encoding("UTF-8")
|
|
ObjectSpace.dump_all().path
|
|
end
|
|
|
|
puts dump_my_heap_please
|
|
end;
|
|
skip if /is not supported/ =~ error
|
|
skip error unless output
|
|
assert_match(entry, File.readlines(output).grep(/TEST STRING/).join("\n"))
|
|
File.unlink(output)
|
|
end
|
|
end
|
|
|
|
def test_dump_uninitialized_file
|
|
assert_in_out_err(%[-robjspace], <<-RUBY) do |(output), (error)|
|
|
puts ObjectSpace.dump(File.allocate)
|
|
RUBY
|
|
assert_nil error
|
|
assert_match /"type":"FILE"/, output
|
|
assert_not_match /"fd":/, output
|
|
end
|
|
end
|
|
|
|
def traverse_classes klass
|
|
h = {}
|
|
while klass && !h.has_key?(klass)
|
|
h[klass] = true
|
|
klass = ObjectSpace.internal_class_of(klass)
|
|
end
|
|
end
|
|
|
|
def test_internal_class_of
|
|
i = 0
|
|
ObjectSpace.each_object{|o|
|
|
traverse_classes ObjectSpace.internal_class_of(o)
|
|
i += 1
|
|
}
|
|
assert_operator i, :>, 0
|
|
end
|
|
|
|
def traverse_super_classes klass
|
|
while klass
|
|
klass = ObjectSpace.internal_super_of(klass)
|
|
end
|
|
end
|
|
|
|
def all_super_classes klass
|
|
klasses = []
|
|
while klass
|
|
klasses << klass
|
|
klass = ObjectSpace.internal_super_of(klass)
|
|
end
|
|
klasses
|
|
end
|
|
|
|
def test_internal_super_of
|
|
klasses = all_super_classes(String)
|
|
String.ancestors.each{|k|
|
|
case k
|
|
when Class
|
|
assert_equal(true, klasses.include?(k), k.inspect)
|
|
when Module
|
|
assert_equal(false, klasses.include?(k), k.inspect) # Internal object (T_ICLASS)
|
|
end
|
|
}
|
|
|
|
i = 0
|
|
ObjectSpace.each_object(Module){|o|
|
|
traverse_super_classes ObjectSpace.internal_super_of(o)
|
|
i += 1
|
|
}
|
|
assert_operator i, :>, 0
|
|
end
|
|
|
|
def test_count_symbols
|
|
syms = (1..128).map{|i| ("xyzzy#{i}" * 128).to_sym}
|
|
c = Class.new{define_method(syms[-1]){}}
|
|
|
|
h = ObjectSpace.count_symbols
|
|
assert_operator h[:mortal_dynamic_symbol], :>=, 128, h.inspect
|
|
assert_operator h[:immortal_dynamic_symbol], :>=, 1, h.inspect
|
|
assert_operator h[:immortal_static_symbol], :>=, Object.methods.size, h.inspect
|
|
assert_equal h[:immortal_symbol], h[:immortal_dynamic_symbol] + h[:immortal_static_symbol], h.inspect
|
|
end
|
|
end
|