diff options
Diffstat (limited to 'spec/ruby/core/objectspace/define_finalizer_spec.rb')
-rw-r--r-- | spec/ruby/core/objectspace/define_finalizer_spec.rb | 110 |
1 files changed, 65 insertions, 45 deletions
diff --git a/spec/ruby/core/objectspace/define_finalizer_spec.rb b/spec/ruby/core/objectspace/define_finalizer_spec.rb index ed021b7131..effecc41d0 100644 --- a/spec/ruby/core/objectspace/define_finalizer_spec.rb +++ b/spec/ruby/core/objectspace/define_finalizer_spec.rb @@ -4,7 +4,7 @@ require_relative 'fixtures/classes' # Why do we not test that finalizers are run by the GC? The documentation # says that finalizers are never guaranteed to be run, so we can't # spec that they are. On some implementations of Ruby the finalizers may -# run asyncronously, meaning that we can't predict when they'll run, +# run asynchronously, meaning that we can't predict when they'll run, # even if they were guaranteed to do so. Even on MRI finalizers can be # very unpredictable, due to conservative stack scanning and references # left in unused memory. @@ -52,7 +52,7 @@ describe "ObjectSpace.define_finalizer" do Proc.new { puts "finalizer run" } end handler = scoped - obj = "Test" + obj = +"Test" ObjectSpace.define_finalizer(obj, handler) exit 0 RUBY @@ -60,60 +60,58 @@ describe "ObjectSpace.define_finalizer" do ruby_exe(code, :args => "2>&1").should include("finalizer run\n") end - ruby_version_is "3.0" do - it "warns if the finalizer has the object as the receiver" do - code = <<-RUBY - class CapturesSelf - def initialize - ObjectSpace.define_finalizer(self, proc { - puts "finalizer run" - }) - end + it "warns if the finalizer has the object as the receiver" do + code = <<-RUBY + class CapturesSelf + def initialize + ObjectSpace.define_finalizer(self, proc { + puts "finalizer run" + }) end - CapturesSelf.new - exit 0 - RUBY + end + CapturesSelf.new + exit 0 + RUBY - ruby_exe(code, :args => "2>&1").should include("warning: finalizer references object to be finalized\n") - end + ruby_exe(code, :args => "2>&1").should include("warning: finalizer references object to be finalized\n") + end - it "warns if the finalizer is a method bound to the receiver" do - code = <<-RUBY - class CapturesSelf - def initialize - ObjectSpace.define_finalizer(self, method(:finalize)) - end - def finalize(id) - puts "finalizer run" - end + it "warns if the finalizer is a method bound to the receiver" do + code = <<-RUBY + class CapturesSelf + def initialize + ObjectSpace.define_finalizer(self, method(:finalize)) end - CapturesSelf.new - exit 0 - RUBY + def finalize(id) + puts "finalizer run" + end + end + CapturesSelf.new + exit 0 + RUBY - ruby_exe(code, :args => "2>&1").should include("warning: finalizer references object to be finalized\n") - end + ruby_exe(code, :args => "2>&1").should include("warning: finalizer references object to be finalized\n") + end - it "warns if the finalizer was a block in the receiver" do - code = <<-RUBY - class CapturesSelf - def initialize - ObjectSpace.define_finalizer(self) do - puts "finalizer run" - end + it "warns if the finalizer was a block in the receiver" do + code = <<-RUBY + class CapturesSelf + def initialize + ObjectSpace.define_finalizer(self) do + puts "finalizer run" end end - CapturesSelf.new - exit 0 - RUBY + end + CapturesSelf.new + exit 0 + RUBY - ruby_exe(code, :args => "2>&1").should include("warning: finalizer references object to be finalized\n") - end + ruby_exe(code, :args => "2>&1").should include("warning: finalizer references object to be finalized\n") end it "calls a finalizer at exit even if it is self-referencing" do code = <<-RUBY - obj = "Test" + obj = +"Test" handler = Proc.new { puts "finalizer run" } ObjectSpace.define_finalizer(obj, handler) exit 0 @@ -143,9 +141,9 @@ describe "ObjectSpace.define_finalizer" do it "calls a finalizer defined in a finalizer running at exit" do code = <<-RUBY - obj = "Test" + obj = +"Test" handler = Proc.new do - obj2 = "Test" + obj2 = +"Test" handler2 = Proc.new { puts "finalizer 2 run" } ObjectSpace.define_finalizer(obj2, handler2) exit 0 @@ -169,4 +167,26 @@ describe "ObjectSpace.define_finalizer" do ruby_exe(code).lines.sort.should == ["finalized1\n", "finalized2\n"] end + + ruby_version_is "3.1" do + describe "when $VERBOSE is not nil" do + it "warns if an exception is raised in finalizer" do + code = <<-RUBY + ObjectSpace.define_finalizer(Object.new) { raise "finalizing" } + RUBY + + ruby_exe(code, args: "2>&1").should include("warning: Exception in finalizer", "finalizing") + end + end + + describe "when $VERBOSE is nil" do + it "does not warn even if an exception is raised in finalizer" do + code = <<-RUBY + ObjectSpace.define_finalizer(Object.new) { raise "finalizing" } + RUBY + + ruby_exe(code, args: "2>&1", options: "-W0").should == "" + end + end + end end |