зеркало из https://github.com/github/ruby.git
Refactor tests for moving strings with compaction
This commit is contained in:
Родитель
95bfea6648
Коммит
66eb58d6bd
|
@ -209,42 +209,36 @@ class TestGCCompact < Test::Unit::TestCase
|
|||
assert_equal([:call, :line], results)
|
||||
end
|
||||
|
||||
def test_moving_strings_between_size_pools
|
||||
def test_moving_strings_up_size_pools
|
||||
assert_separately([], "#{<<~"begin;"}\n#{<<~"end;"}", timeout: 10, signal: :SEGV)
|
||||
begin;
|
||||
moveables = []
|
||||
small_slots = []
|
||||
large_slots = []
|
||||
STR_COUNT = 500
|
||||
|
||||
# Ensure fragmentation in the large heap
|
||||
base_slot_size = GC.stat_heap[0].fetch(:slot_size)
|
||||
500.times {
|
||||
String.new(+"a" * base_slot_size).downcase
|
||||
large_slots << String.new(+"a" * base_slot_size).downcase
|
||||
}
|
||||
GC.verify_compaction_references(double_heap: true, toward: :empty)
|
||||
|
||||
# Ensure fragmentation in the smaller heap
|
||||
500.times {
|
||||
small_slots << Object.new
|
||||
Object.new
|
||||
}
|
||||
str = "a" * GC::INTERNAL_CONSTANTS[:BASE_SLOT_SIZE]
|
||||
ary = STR_COUNT.times.map { "" << str }
|
||||
|
||||
500.times {
|
||||
# strings are created as shared strings when initialized from literals
|
||||
# use downcase to force the creation of an embedded string (it calls
|
||||
# rb_str_new internally)
|
||||
moveables << String.new(+"a" * base_slot_size).downcase
|
||||
stats = GC.verify_compaction_references(double_heap: true, toward: :empty)
|
||||
|
||||
moveables << String.new("a").downcase
|
||||
}
|
||||
moveables.map { |s| s << ("bc" * base_slot_size) }
|
||||
moveables.map { |s| s.squeeze! }
|
||||
stats = GC.compact
|
||||
assert_operator(stats[:moved_up][:T_STRING], :>=, STR_COUNT)
|
||||
assert(ary) # warning: assigned but unused variable - ary
|
||||
end;
|
||||
end
|
||||
|
||||
moved_strings = (stats.dig(:moved_up, :T_STRING) || 0) +
|
||||
(stats.dig(:moved_down, :T_STRING) || 0)
|
||||
def test_moving_strings_down_size_pools
|
||||
assert_separately([], "#{<<~"begin;"}\n#{<<~"end;"}", timeout: 10, signal: :SEGV)
|
||||
begin;
|
||||
STR_COUNT = 500
|
||||
|
||||
assert_operator(moved_strings, :>, 0)
|
||||
GC.verify_compaction_references(double_heap: true, toward: :empty)
|
||||
|
||||
ary = STR_COUNT.times.map { ("a" * GC::INTERNAL_CONSTANTS[:BASE_SLOT_SIZE]).squeeze! }
|
||||
|
||||
stats = GC.verify_compaction_references(double_heap: true, toward: :empty)
|
||||
|
||||
assert_operator(stats[:moved_down][:T_STRING], :>=, STR_COUNT)
|
||||
assert(ary) # warning: assigned but unused variable - ary
|
||||
end;
|
||||
end
|
||||
end
|
||||
|
|
Загрузка…
Ссылка в новой задаче