summaryrefslogtreecommitdiff
path: root/test/objspace/test_objspace.rb
diff options
context:
space:
mode:
Diffstat (limited to 'test/objspace/test_objspace.rb')
-rw-r--r--test/objspace/test_objspace.rb128
1 files changed, 97 insertions, 31 deletions
diff --git a/test/objspace/test_objspace.rb b/test/objspace/test_objspace.rb
index c25882a580..faa22f1424 100644
--- a/test/objspace/test_objspace.rb
+++ b/test/objspace/test_objspace.rb
@@ -33,7 +33,7 @@ class TestObjSpace < Test::Unit::TestCase
b = a.dup
c = nil
ObjectSpace.each_object(String) {|x| break c = x if a == x and x.frozen?}
- rv_size = GC::INTERNAL_CONSTANTS[:BASE_SLOT_SIZE]
+ rv_size = Integer(ObjectSpace.dump(a)[/"slot_size":(\d+)/, 1])
assert_equal([rv_size, rv_size, a.length + 1 + rv_size], [a, b, c].map {|x| ObjectSpace.memsize_of(x)})
end
@@ -54,7 +54,11 @@ class TestObjSpace < Test::Unit::TestCase
assert_operator(a, :>, b)
assert_operator(a, :>, 0)
assert_operator(b, :>, 0)
- assert_raise(TypeError) {ObjectSpace.memsize_of_all('error')}
+ assert_kind_of(Integer, ObjectSpace.memsize_of_all(Enumerable))
+ end
+
+ def test_memsize_of_all_with_wrong_type
+ assert_raise(TypeError) { ObjectSpace.memsize_of_all(Object.new) }
end
def test_count_objects_size
@@ -76,16 +80,6 @@ class TestObjSpace < Test::Unit::TestCase
assert_raise(TypeError) { ObjectSpace.count_objects_size(0) }
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)
@@ -143,7 +137,7 @@ class TestObjSpace < Test::Unit::TestCase
def test_reachable_objects_during_iteration
omit 'flaky on Visual Studio with: [BUG] Unnormalized Fixnum value' if /mswin/ =~ RUBY_PLATFORM
opts = %w[--disable-gem --disable=frozen-string-literal -robjspace]
- assert_separately opts, "#{<<-"begin;"}\n#{<<-'end;'}"
+ assert_ruby_status opts, "#{<<-"begin;"}\n#{<<-'end;'}"
begin;
ObjectSpace.each_object{|o|
o.inspect
@@ -179,7 +173,7 @@ class TestObjSpace < Test::Unit::TestCase
end
def test_trace_object_allocations_stop_first
- assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}")
+ assert_ruby_status([], "#{<<~"begin;"}\n#{<<~'end;'}")
begin;
require "objspace"
# Make sure stopping before the tracepoints are initialized doesn't raise. See [Bug #17020]
@@ -203,8 +197,9 @@ class TestObjSpace < Test::Unit::TestCase
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))
+ # These assertions fail under coverage measurement: https://bugs.ruby-lang.org/issues/21298
+ #assert_equal(self.class.name, ObjectSpace.allocation_class_path(o1))
+ #assert_equal(__method__, ObjectSpace.allocation_method_id(o1))
assert_equal(__FILE__, ObjectSpace.allocation_sourcefile(o2))
assert_equal(line2, ObjectSpace.allocation_sourceline(o2))
@@ -287,6 +282,33 @@ class TestObjSpace < Test::Unit::TestCase
assert true # success
end
+ def test_trace_object_allocations_with_other_tracepoint
+ # Test that ObjectSpace.trace_object_allocations isn't changed by changes
+ # to another tracepoint
+ line_tp = TracePoint.new(:line) { }
+
+ ObjectSpace.trace_object_allocations_start
+
+ obj1 = Object.new; line1 = __LINE__
+ assert_equal __FILE__, ObjectSpace.allocation_sourcefile(obj1)
+ assert_equal line1, ObjectSpace.allocation_sourceline(obj1)
+
+ line_tp.enable
+
+ obj2 = Object.new; line2 = __LINE__
+ assert_equal __FILE__, ObjectSpace.allocation_sourcefile(obj2)
+ assert_equal line2, ObjectSpace.allocation_sourceline(obj2)
+
+ line_tp.disable
+
+ obj3 = Object.new; line3 = __LINE__
+ assert_equal __FILE__, ObjectSpace.allocation_sourcefile(obj3)
+ assert_equal line3, ObjectSpace.allocation_sourceline(obj3)
+ ensure
+ ObjectSpace.trace_object_allocations_stop
+ ObjectSpace.trace_object_allocations_clear
+ end
+
def test_trace_object_allocations_compaction
omit "compaction is not supported on this platform" unless GC.respond_to?(:compact)
@@ -308,7 +330,7 @@ class TestObjSpace < Test::Unit::TestCase
def test_trace_object_allocations_compaction_freed_pages
omit "compaction is not supported on this platform" unless GC.respond_to?(:compact)
- assert_normal_exit(<<~RUBY)
+ assert_normal_exit(<<~RUBY, timeout: 60)
require "objspace"
objs = []
@@ -354,7 +376,7 @@ class TestObjSpace < Test::Unit::TestCase
if defined?(RubyVM::Shape)
class TooComplex; end
- def test_dump_too_complex_shape
+ def test_dump_complex_shape
omit "flaky test"
RubyVM::Shape::SHAPE_MAX_VARIATIONS.times do
@@ -363,26 +385,26 @@ class TestObjSpace < Test::Unit::TestCase
tc = TooComplex.new
info = ObjectSpace.dump(tc)
- assert_not_match(/"too_complex_shape"/, info)
+ assert_not_match(/"complex_shape"/, info)
tc.instance_variable_set(:@new_ivar, 1)
info = ObjectSpace.dump(tc)
- assert_match(/"too_complex_shape":true/, info)
+ assert_match(/"complex_shape":true/, info)
if defined?(JSON)
- assert_true(JSON.parse(info)["too_complex_shape"])
+ assert_true(JSON.parse(info)["complex_shape"])
end
end
end
class NotTooComplex ; end
- def test_dump_not_too_complex_shape
+ def test_dump_not_complex_shape
tc = NotTooComplex.new
tc.instance_variable_set(:@new_ivar, 1)
info = ObjectSpace.dump(tc)
- assert_not_match(/"too_complex_shape"/, info)
+ assert_not_match(/"complex_shape"/, info)
if defined?(JSON)
- assert_nil(JSON.parse(info)["too_complex_shape"])
+ assert_nil(JSON.parse(info)["complex_shape"])
end
end
@@ -451,12 +473,12 @@ class TestObjSpace < Test::Unit::TestCase
assert_include(info, '"embedded":true')
assert_include(info, '"ivars":0')
- # Non-embed object
+ # Non-embed object (needs > 6 ivars to exceed pool 0 embed capacity)
obj = klass.new
- 5.times { |i| obj.instance_variable_set("@ivar#{i}", 0) }
+ 7.times { |i| obj.instance_variable_set("@ivar#{i}", 0) }
info = ObjectSpace.dump(obj)
assert_not_include(info, '"embedded":true')
- assert_include(info, '"ivars":5')
+ assert_include(info, '"ivars":7')
end
def test_dump_control_char
@@ -626,7 +648,8 @@ class TestObjSpace < Test::Unit::TestCase
next if obj["type"] == "SHAPE"
assert_not_nil obj["slot_size"]
- assert_equal 0, obj["slot_size"] % (GC::INTERNAL_CONSTANTS[:BASE_SLOT_SIZE] + GC::INTERNAL_CONSTANTS[:RVALUE_OVERHEAD])
+ slot_sizes = GC::INTERNAL_CONSTANTS[:HEAP_COUNT].times.map { |i| GC.stat_heap(i, :slot_size) }
+ assert_include slot_sizes, obj["slot_size"]
}
end
end
@@ -681,10 +704,11 @@ class TestObjSpace < Test::Unit::TestCase
end
def test_dump_includes_slot_size
- str = "TEST"
- dump = ObjectSpace.dump(str)
+ klass = Class.new
+ obj = klass.new
+ dump = ObjectSpace.dump(obj)
- assert_includes dump, "\"slot_size\":#{GC::INTERNAL_CONSTANTS[:BASE_SLOT_SIZE]}"
+ assert_includes dump, "\"slot_size\":#{GC.stat_heap(0, :slot_size) - GC::INTERNAL_CONSTANTS[:RVALUE_OVERHEAD]}"
end
def test_dump_reference_addresses_match_dump_all_addresses
@@ -799,6 +823,27 @@ class TestObjSpace < Test::Unit::TestCase
end
end
+ def test_dump_all_with_ractors
+ assert_ractor("#{<<-"begin;"}#{<<-'end;'}")
+ begin;
+ require "objspace"
+ require "tempfile"
+ require "json"
+ rs = 4.times.map do
+ Ractor.new do
+ Tempfile.create do |f|
+ ObjectSpace.dump_all(output: f)
+ f.close
+ File.readlines(f.path).each do |line|
+ JSON.parse(line)
+ end
+ end
+ end
+ end
+ rs.each(&:join)
+ end;
+ end
+
def test_dump_uninitialized_file
assert_in_out_err(%[-robjspace], <<-RUBY) do |(output), (error)|
puts ObjectSpace.dump(File.allocate)
@@ -977,6 +1022,27 @@ class TestObjSpace < Test::Unit::TestCase
assert_equal class_name, JSON.parse(json)["name"]
end
+ def test_dump_free_immediately
+ require '-test-/typeddata'
+
+ # Bug::TypedData has flags=0 (no FREE_IMMEDIATELY)
+ info = ObjectSpace.dump(Bug::TypedData.new)
+ assert_include(info, '"struct":"typed_data"')
+ assert_include(info, '"free_immediately":false')
+
+ # Most typed data objects have FREE_IMMEDIATELY, so the field should be absent
+ info = ObjectSpace.dump(Thread.current.group)
+ assert_include(info, '"struct":"thgroup"')
+ assert_not_include(info, '"free_immediately"')
+ end
+
+ def test_dump_include_shareable
+ omit 'Not provided by mmtk' if RUBY_DESCRIPTION.include?("+GC[mmtk]")
+
+ assert_include(ObjectSpace.dump(ENV), '"shareable":true')
+ assert_not_include(ObjectSpace.dump([]), '"shareable":true')
+ end
+
def test_utf8_method_names
name = "utf8_❨╯°□°❩╯︵┻━┻"
obj = ObjectSpace.trace_object_allocations do
generated by cgit v1.2.3 (git 2.25.1) at 2026-06-03 02:22:02 +0000