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Ruby shared_ptr testing enhancements

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li_boost_shared_ptr_runme.rb: add garbage collection to properly check
expected reference counts
This commit is contained in:
William S Fulton 2015-09-25 09:31:11 +01:00
commit f5a6e94466
1 changed files with 41 additions and 9 deletions
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50
Examples/test-suite/ruby/li_boost_shared_ptr_runme.rb
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@ -1,5 +1,7 @@
require 'li_boost_shared_ptr'
require 'swig_gc'
#debug = $VERBOSE
debug = false
# simple shared_ptr usage - created in C++
@ -21,9 +23,18 @@ class Li_boost_shared_ptr_runme
end
# Expect 1 instance - the one global variable (GlobalValue)
if (Li_boost_shared_ptr::Klass.getTotal_count() != 1)
# raise RuntimeError, "Klass.total_count=#{Li_boost_shared_ptr::Klass.getTotal_count()}"
puts "Klass.total_count=#{Li_boost_shared_ptr::Klass.getTotal_count()}"
GC.track_class = Li_boost_shared_ptr::Klass
invokeGC("Final GC")
# Actual count is 3 due to memory leaks calling rb_raise in the call to Li_boost_shared_ptr::valuetest(nil)
# as setjmp/longjmp are used thereby failing to call destructors of Klass instances on the stack in _wrap_valuetest
# This is a generic problem in Ruby wrappers, not shared_ptr specific
# expectedCount = 1
expectedCount = 3
actualCount = Li_boost_shared_ptr::Klass.getTotal_count()
if (actualCount != expectedCount)
# raise RuntimeError, "GC failed to run (li_boost_shared_ptr). Expected count: #{expectedCount} Actual count: #{actualCount}"
puts "GC failed to run (li_boost_shared_ptr). Expected count: #{expectedCount} Actual count: #{actualCount}"
end
wrapper_count = Li_boost_shared_ptr::shared_ptr_wrapper_count()
@ -39,6 +50,13 @@ class Li_boost_shared_ptr_runme
end
end
def invokeGC(debug_msg)
puts "invokeGC #{debug_msg} start" if $VERBOSE
GC.stats if $VERBOSE
GC.start
puts "invokeGC #{debug_msg} end" if $VERBOSE
end
def runtest
# simple shared_ptr usage - created in C++
k = Li_boost_shared_ptr::Klass.new("me oh my")
@ -354,7 +372,10 @@ class Li_boost_shared_ptr_runme
self.verifyCount(3, kmember)
self.verifyCount(3, k)
puts "del m"
GC.track_class = Li_boost_shared_ptr::MemberVariables
m = nil
invokeGC("m = nil (A)")
self.verifyCount(2, kmember)
self.verifyCount(2, k)
@ -372,7 +393,9 @@ class Li_boost_shared_ptr_runme
self.verifyCount(2, kmember)
self.verifyCount(2, k)
puts "del m"
m = nil
invokeGC("m = nil (B)")
self.verifyCount(2, kmember)
self.verifyCount(2, k)
@ -398,7 +421,10 @@ class Li_boost_shared_ptr_runme
self.verifyCount(4, kmember)
self.verifyCount(4, k)
puts "del m"
m = nil
invokeGC("m = nil (C)")
self.verifyCount(3, kmemberVal)
self.verifyCount(3, kmember)
self.verifyCount(3, k)
@ -417,7 +443,9 @@ class Li_boost_shared_ptr_runme
self.verifyCount(1, kmember)
self.verifyCount(1, k)
puts "del m"
m = nil
invokeGC("m = nil (D)")
self.verifyCount(1, kmember)
self.verifyCount(1, k)
@ -435,7 +463,9 @@ class Li_boost_shared_ptr_runme
self.verifyCount(1, kmember)
self.verifyCount(1, k)
puts "del m"
m = nil
invokeGC("m = nil (E)")
self.verifyCount(1, kmember)
self.verifyCount(1, k)
@ -453,7 +483,9 @@ class Li_boost_shared_ptr_runme
self.verifyCount(1, kmember)
self.verifyCount(1, k)
puts "del m"
m = nil
invokeGC("m = nil (F)")
self.verifyCount(1, kmember)
self.verifyCount(1, k)