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make sure that simple evaluation does not leak

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This commit is contained in:
Charles Lowell 2012-06-07 05:19:24 -05:00
parent 47a9461e23
commit bcabe39866
1 changed files with 12 additions and 3 deletions
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15
spec/mem/blunt_spec.rb
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@ -2,6 +2,9 @@ require 'spec_helper'
describe "A Very blunt test to make sure that we aren't doing stupid leaks" do describe "A Very blunt test to make sure that we aren't doing stupid leaks" do
before do before do
if Object.const_defined?(:RUBY_ENGINE) && RUBY_ENGINE == 'rbx'
pending 'need to figure out how to do memory sanity checks on rbx'
end
#allocate a single context to make sure that v8 loads its snapshot and #allocate a single context to make sure that v8 loads its snapshot and
#we pay the overhead. #we pay the overhead.
V8::Context.new V8::Context.new
@ -13,9 +16,6 @@ describe "A Very blunt test to make sure that we aren't doing stupid leaks" do
GC.stress = false GC.stress = false
end end
it "won't increase process memory by more than 50% no matter how many contexts we create" do it "won't increase process memory by more than 50% no matter how many contexts we create" do
if Object.const_defined?(:RUBY_ENGINE) && RUBY_ENGINE == 'rbx'
pending 'need to figure out how to do memory sanity checks on rbx'
end
500.times do 500.times do
V8::Context.new V8::Context.new
run_v8_gc run_v8_gc
@ -23,6 +23,15 @@ describe "A Very blunt test to make sure that we aren't doing stupid leaks" do
process_memory.should <= @start_memory * 1.5 process_memory.should <= @start_memory * 1.5
end end
it "can eval simple value passing statements repeatedly without significantly increasing memory" do
cxt = V8::Context.new
500.times do
cxt.eval('7 * 6')
run_v8_gc
end
process_memory.should <= @start_memory * 1.1
end
def process_memory def process_memory
/\w*[ ]*#{Process.pid}[ ]*([.,\d]*)[ ]*([.,\d]*)[ ]*([\d]*)[ ]*([\d]*)/.match(`ps aux`)[4].to_i /\w*[ ]*#{Process.pid}[ ]*([.,\d]*)[ ]*([.,\d]*)[ ]*([\d]*)[ ]*([\d]*)/.match(`ps aux`)[4].to_i
end end