require 'test/unit' class TestSetTraceFunc < Test::Unit::TestCase def setup @original_compile_option = RubyVM::InstructionSequence.compile_option RubyVM::InstructionSequence.compile_option = { :trace_instruction => true, :specialized_instruction => false } @target_thread = Thread.current end def teardown set_trace_func(nil) RubyVM::InstructionSequence.compile_option = @original_compile_option @target_thread = nil end def target_thread? Thread.current == @target_thread end def test_c_call events = [] name = "#{self.class}\##{__method__}" eval <<-EOF.gsub(/^.*?: /, ""), nil, name 1: set_trace_func(Proc.new { |event, file, lineno, mid, binding, klass| 2: events << [event, lineno, mid, klass] if file == name 3: }) 4: x = 1 + 1 5: set_trace_func(nil) EOF assert_equal(["c-return", 1, :set_trace_func, Kernel], events.shift) assert_equal(["line", 4, __method__, self.class], events.shift) assert_equal(["c-call", 4, :+, Fixnum], events.shift) assert_equal(["c-return", 4, :+, Fixnum], events.shift) assert_equal(["line", 5, __method__, self.class], events.shift) assert_equal(["c-call", 5, :set_trace_func, Kernel], events.shift) assert_equal([], events) end def test_call events = [] name = "#{self.class}\##{__method__}" eval <<-EOF.gsub(/^.*?: /, ""), nil, name 1: set_trace_func(Proc.new { |event, file, lineno, mid, binding, klass| 2: events << [event, lineno, mid, klass] if file == name 3: }) 4: def add(x, y) 5: x + y 6: end 7: x = add(1, 1) 8: set_trace_func(nil) EOF assert_equal(["c-return", 1, :set_trace_func, Kernel], events.shift) assert_equal(["line", 4, __method__, self.class], events.shift) assert_equal(["c-call", 4, :method_added, self.class], events.shift) assert_equal(["c-return", 4, :method_added, self.class], events.shift) assert_equal(["line", 7, __method__, self.class], events.shift) assert_equal(["call", 4, :add, self.class], events.shift) assert_equal(["line", 5, :add, self.class], events.shift) assert_equal(["c-call", 5, :+, Fixnum], events.shift) assert_equal(["c-return", 5, :+, Fixnum], events.shift) assert_equal(["return", 6, :add, self.class], events.shift) assert_equal(["line", 8, __method__, self.class], events.shift) assert_equal(["c-call", 8, :set_trace_func, Kernel], events.shift) assert_equal([], events) end def test_class events = [] name = "#{self.class}\##{__method__}" eval <<-EOF.gsub(/^.*?: /, ""), nil, name 1: set_trace_func(Proc.new { |event, file, lineno, mid, binding, klass| 2: events << [event, lineno, mid, klass] if file == name 3: }) 4: class Foo 5: def bar 6: end 7: end 8: x = Foo.new.bar 9: set_trace_func(nil) EOF assert_equal(["c-return", 1, :set_trace_func, Kernel], events.shift) assert_equal(["line", 4, __method__, self.class], events.shift) assert_equal(["c-call", 4, :inherited, Class], events.shift) assert_equal(["c-return", 4, :inherited, Class], events.shift) assert_equal(["class", 4, nil, nil], events.shift) assert_equal(["line", 5, nil, nil], events.shift) assert_equal(["c-call", 5, :method_added, Module], events.shift) assert_equal(["c-return", 5, :method_added, Module], events.shift) assert_equal(["end", 7, nil, nil], events.shift) assert_equal(["line", 8, __method__, self.class], events.shift) assert_equal(["c-call", 8, :new, Class], events.shift) assert_equal(["c-call", 8, :initialize, BasicObject], events.shift) assert_equal(["c-return", 8, :initialize, BasicObject], events.shift) assert_equal(["c-return", 8, :new, Class], events.shift) assert_equal(["call", 5, :bar, Foo], events.shift) assert_equal(["return", 6, :bar, Foo], events.shift) assert_equal(["line", 9, __method__, self.class], events.shift) assert_equal(["c-call", 9, :set_trace_func, Kernel], events.shift) assert_equal([], events) end def test_return # [ruby-dev:38701] events = [] name = "#{self.class}\##{__method__}" eval <<-EOF.gsub(/^.*?: /, ""), nil, name 1: set_trace_func(Proc.new { |event, file, lineno, mid, binding, klass| 2: events << [event, lineno, mid, klass] if file == name 3: }) 4: def meth_return(a) 5: return if a 6: return 7: end 8: meth_return(true) 9: meth_return(false) 10: set_trace_func(nil) EOF assert_equal(["c-return", 1, :set_trace_func, Kernel], events.shift) assert_equal(["line", 4, __method__, self.class], events.shift) assert_equal(["c-call", 4, :method_added, self.class], events.shift) assert_equal(["c-return", 4, :method_added, self.class], events.shift) assert_equal(["line", 8, __method__, self.class], events.shift) assert_equal(["call", 4, :meth_return, self.class], events.shift) assert_equal(["line", 5, :meth_return, self.class], events.shift) assert_equal(["return", 5, :meth_return, self.class], events.shift) assert_equal(["line", 9, :test_return, self.class], events.shift) assert_equal(["call", 4, :meth_return, self.class], events.shift) assert_equal(["line", 5, :meth_return, self.class], events.shift) assert_equal(["return", 7, :meth_return, self.class], events.shift) assert_equal(["line", 10, :test_return, self.class], events.shift) assert_equal(["c-call", 10, :set_trace_func, Kernel], events.shift) assert_equal([], events) end def test_return2 # [ruby-core:24463] events = [] name = "#{self.class}\##{__method__}" eval <<-EOF.gsub(/^.*?: /, ""), nil, name 1: set_trace_func(Proc.new { |event, file, lineno, mid, binding, klass| 2: events << [event, lineno, mid, klass] if file == name 3: }) 4: def meth_return2 5: a = 5 6: return a 7: end 8: meth_return2 9: set_trace_func(nil) EOF assert_equal(["c-return", 1, :set_trace_func, Kernel], events.shift) assert_equal(["line", 4, __method__, self.class], events.shift) assert_equal(["c-call", 4, :method_added, self.class], events.shift) assert_equal(["c-return", 4, :method_added, self.class], events.shift) assert_equal(["line", 8, __method__, self.class], events.shift) assert_equal(["call", 4, :meth_return2, self.class], events.shift) assert_equal(["line", 5, :meth_return2, self.class], events.shift) assert_equal(["line", 6, :meth_return2, self.class], events.shift) assert_equal(["return", 7, :meth_return2, self.class], events.shift) assert_equal(["line", 9, :test_return2, self.class], events.shift) assert_equal(["c-call", 9, :set_trace_func, Kernel], events.shift) assert_equal([], events) end def test_raise events = [] name = "#{self.class}\##{__method__}" eval <<-EOF.gsub(/^.*?: /, ""), nil, name 1: set_trace_func(Proc.new { |event, file, lineno, mid, binding, klass| 2: events << [event, lineno, mid, klass] if file == name 3: }) 4: begin 5: raise TypeError, "error" 6: rescue TypeError 7: end 8: set_trace_func(nil) EOF assert_equal(["c-return", 1, :set_trace_func, Kernel], events.shift) assert_equal(["line", 4, __method__, self.class], events.shift) assert_equal(["line", 5, __method__, self.class], events.shift) assert_equal(["c-call", 5, :raise, Kernel], events.shift) assert_equal(["c-call", 5, :exception, Exception], events.shift) assert_equal(["c-call", 5, :initialize, Exception], events.shift) assert_equal(["c-return", 5, :initialize, Exception], events.shift) assert_equal(["c-return", 5, :exception, Exception], events.shift) assert_equal(["c-return", 5, :raise, Kernel], events.shift) assert_equal(["c-call", 5, :backtrace, Exception], events.shift) assert_equal(["c-return", 5, :backtrace, Exception], events.shift) assert_equal(["raise", 5, :test_raise, TestSetTraceFunc], events.shift) assert_equal(["c-call", 6, :===, Module], events.shift) assert_equal(["c-return", 6, :===, Module], events.shift) assert_equal(["line", 8, __method__, self.class], events.shift) assert_equal(["c-call", 8, :set_trace_func, Kernel], events.shift) assert_equal([], events) end def test_break # [ruby-core:27606] [Bug #2610] events = [] name = "#{self.class}\##{__method__}" eval <<-EOF.gsub(/^.*?: /, ""), nil, name 1: set_trace_func(Proc.new { |event, file, lineno, mid, binding, klass| 2: events << [event, lineno, mid, klass] if file == name 3: }) 4: [1,2,3].any? {|n| n} 8: set_trace_func(nil) EOF [["c-return", 1, :set_trace_func, Kernel], ["line", 4, __method__, self.class], ["c-call", 4, :any?, Array], ["line", 4, __method__, self.class], ["c-return", 4, :any?, Array], ["line", 5, __method__, self.class], ["c-call", 5, :set_trace_func, Kernel]].each{|e| assert_equal(e, events.shift) } end def test_invalid_proc assert_raise(TypeError) { set_trace_func(1) } end def test_raise_in_trace set_trace_func proc {raise rescue nil} assert_equal(42, (raise rescue 42), '[ruby-core:24118]') end def test_thread_trace events = {:set => [], :add => []} prc = Proc.new { |event, file, lineno, mid, binding, klass| events[:set] << [event, lineno, mid, klass, :set] } prc = prc # suppress warning prc2 = Proc.new { |event, file, lineno, mid, binding, klass| events[:add] << [event, lineno, mid, klass, :add] } prc2 = prc2 # suppress warning th = Thread.new do th = Thread.current name = "#{self.class}\##{__method__}" eval <<-EOF.gsub(/^.*?: /, ""), nil, name 1: th.set_trace_func(prc) 2: th.add_trace_func(prc2) 3: class ThreadTraceInnerClass 4: def foo 5: _x = 1 + 1 6: end 7: end 8: ThreadTraceInnerClass.new.foo 9: th.set_trace_func(nil) EOF end th.join [["c-return", 1, :set_trace_func, Thread, :set], ["line", 2, __method__, self.class, :set], ["c-call", 2, :add_trace_func, Thread, :set]].each do |e| assert_equal(e, events[:set].shift) end [["c-return", 2, :add_trace_func, Thread], ["line", 3, __method__, self.class], ["c-call", 3, :inherited, Class], ["c-return", 3, :inherited, Class], ["class", 3, nil, nil], ["line", 4, nil, nil], ["c-call", 4, :method_added, Module], ["c-return", 4, :method_added, Module], ["end", 7, nil, nil], ["line", 8, __method__, self.class], ["c-call", 8, :new, Class], ["c-call", 8, :initialize, BasicObject], ["c-return", 8, :initialize, BasicObject], ["c-return", 8, :new, Class], ["call", 4, :foo, ThreadTraceInnerClass], ["line", 5, :foo, ThreadTraceInnerClass], ["c-call", 5, :+, Fixnum], ["c-return", 5, :+, Fixnum], ["return", 6, :foo, ThreadTraceInnerClass], ["line", 9, __method__, self.class], ["c-call", 9, :set_trace_func, Thread]].each do |e| [:set, :add].each do |type| assert_equal(e + [type], events[type].shift) end end assert_equal([], events[:set]) assert_equal([], events[:add]) end def test_trace_defined_method events = [] name = "#{self.class}\##{__method__}" eval <<-EOF.gsub(/^.*?: /, ""), nil, name 1: class FooBar; define_method(:foobar){}; end 2: fb = FooBar.new 3: set_trace_func(Proc.new { |event, file, lineno, mid, binding, klass| 4: events << [event, lineno, mid, klass] if file == name 5: }) 6: fb.foobar 7: set_trace_func(nil) EOF [["c-return", 3, :set_trace_func, Kernel], ["line", 6, __method__, self.class], ["call", 1, :foobar, FooBar], ["return", 6, :foobar, FooBar], ["line", 7, __method__, self.class], ["c-call", 7, :set_trace_func, Kernel]].each{|e| assert_equal(e, events.shift) } end def test_remove_in_trace bug3921 = '[ruby-dev:42350]' ok = false func = lambda{|e, f, l, i, b, k| set_trace_func(nil) ok = eval("self", b) } set_trace_func(func) assert_equal(self, ok, bug3921) end class << self define_method(:method_added, Module.method(:method_added)) end def trace_by_tracepoint *trace_events events = [] trace = nil xyzzy = nil _local_var = :outer raised_exc = nil method = :trace_by_tracepoint _get_data = lambda{|tp| case tp.event when :return, :c_return tp.return_value when :raise tp.raised_exception else :nothing end } _defined_class = lambda{|tp| klass = tp.defined_class begin # If it is singleton method, then return original class # to make compatible with set_trace_func(). # This is very ad-hoc hack. I hope I can make more clean test on it. case klass.inspect when /Class:TracePoint/; return TracePoint when /Class:Exception/; return Exception else klass end rescue Exception => e e end if klass } trace = nil begin eval <<-EOF.gsub(/^.*?: /, ""), nil, 'xyzzy' 1: trace = TracePoint.trace(*trace_events){|tp| next if !target_thread? 2: events << [tp.event, tp.lineno, tp.path, _defined_class.(tp), tp.method_id, tp.self, tp.binding.eval("_local_var"), _get_data.(tp)] if tp.path == 'xyzzy' 3: } 4: 1.times{|;_local_var| _local_var = :inner 5: tap{} 6: } 7: class XYZZY 8: _local_var = :XYZZY_outer 9: def foo 10: _local_var = :XYZZY_foo 11: bar 12: end 13: def bar 14: _local_var = :XYZZY_bar 15: tap{} 16: end 17: end 18: xyzzy = XYZZY.new 19: xyzzy.foo 20: begin; raise RuntimeError; rescue RuntimeError => raised_exc; end 21: trace.disable EOF self.class.class_eval{remove_const(:XYZZY)} ensure trace.disable if trace && trace.enabled? end answer_events = [ # [:c_return, 1, "xyzzy", TracePoint, :trace, TracePoint, :outer, trace], [:line, 4, 'xyzzy', self.class, method, self, :outer, :nothing], [:c_call, 4, 'xyzzy', Integer, :times, 1, :outer, :nothing], [:line, 4, 'xyzzy', self.class, method, self, nil, :nothing], [:line, 5, 'xyzzy', self.class, method, self, :inner, :nothing], [:c_call, 5, 'xyzzy', Kernel, :tap, self, :inner, :nothing], [:c_return, 5, "xyzzy", Kernel, :tap, self, :inner, self], [:c_return, 4, "xyzzy", Integer, :times, 1, :outer, 1], [:line, 7, 'xyzzy', self.class, method, self, :outer, :nothing], [:c_call, 7, "xyzzy", Class, :inherited, Object, :outer, :nothing], [:c_return, 7, "xyzzy", Class, :inherited, Object, :outer, nil], [:class, 7, "xyzzy", nil, nil, xyzzy.class, nil, :nothing], [:line, 8, "xyzzy", nil, nil, xyzzy.class, nil, :nothing], [:line, 9, "xyzzy", nil, nil, xyzzy.class, :XYZZY_outer, :nothing], [:c_call, 9, "xyzzy", Module, :method_added, xyzzy.class, :XYZZY_outer, :nothing], [:c_return, 9, "xyzzy", Module, :method_added, xyzzy.class, :XYZZY_outer, nil], [:line, 13, "xyzzy", nil, nil, xyzzy.class, :XYZZY_outer, :nothing], [:c_call, 13, "xyzzy", Module, :method_added, xyzzy.class, :XYZZY_outer, :nothing], [:c_return,13, "xyzzy", Module, :method_added, xyzzy.class, :XYZZY_outer, nil], [:end, 17, "xyzzy", nil, nil, xyzzy.class, :XYZZY_outer, :nothing], [:line, 18, "xyzzy", TestSetTraceFunc, method, self, :outer, :nothing], [:c_call, 18, "xyzzy", Class, :new, xyzzy.class, :outer, :nothing], [:c_call, 18, "xyzzy", BasicObject, :initialize, xyzzy, :outer, :nothing], [:c_return,18, "xyzzy", BasicObject, :initialize, xyzzy, :outer, nil], [:c_return,18, "xyzzy", Class, :new, xyzzy.class, :outer, xyzzy], [:line, 19, "xyzzy", TestSetTraceFunc, method, self, :outer, :nothing], [:call, 9, "xyzzy", xyzzy.class, :foo, xyzzy, nil, :nothing], [:line, 10, "xyzzy", xyzzy.class, :foo, xyzzy, nil, :nothing], [:line, 11, "xyzzy", xyzzy.class, :foo, xyzzy, :XYZZY_foo, :nothing], [:call, 13, "xyzzy", xyzzy.class, :bar, xyzzy, nil, :nothing], [:line, 14, "xyzzy", xyzzy.class, :bar, xyzzy, nil, :nothing], [:line, 15, "xyzzy", xyzzy.class, :bar, xyzzy, :XYZZY_bar, :nothing], [:c_call, 15, "xyzzy", Kernel, :tap, xyzzy, :XYZZY_bar, :nothing], [:c_return,15, "xyzzy", Kernel, :tap, xyzzy, :XYZZY_bar, xyzzy], [:return, 16, "xyzzy", xyzzy.class, :bar, xyzzy, :XYZZY_bar, xyzzy], [:return, 12, "xyzzy", xyzzy.class, :foo, xyzzy, :XYZZY_foo, xyzzy], [:line, 20, "xyzzy", TestSetTraceFunc, method, self, :outer, :nothing], [:c_call, 20, "xyzzy", Kernel, :raise, self, :outer, :nothing], [:c_call, 20, "xyzzy", Exception, :exception, RuntimeError, :outer, :nothing], [:c_call, 20, "xyzzy", Exception, :initialize, raised_exc, :outer, :nothing], [:c_return,20, "xyzzy", Exception, :initialize, raised_exc, :outer, raised_exc], [:c_return,20, "xyzzy", Exception, :exception, RuntimeError, :outer, raised_exc], [:c_return,20, "xyzzy", Kernel, :raise, self, :outer, nil], [:c_call, 20, "xyzzy", Exception, :backtrace, raised_exc, :outer, :nothing], [:c_return,20, "xyzzy", Exception, :backtrace, raised_exc, :outer, nil], [:raise, 20, "xyzzy", TestSetTraceFunc, :trace_by_tracepoint, self, :outer, raised_exc], [:c_call, 20, "xyzzy", Module, :===, RuntimeError,:outer, :nothing], [:c_return,20, "xyzzy", Module, :===, RuntimeError,:outer, true], [:line, 21, "xyzzy", TestSetTraceFunc, method, self, :outer, :nothing], [:c_call, 21, "xyzzy", TracePoint, :disable, trace, :outer, :nothing], ] return events, answer_events end def trace_by_set_trace_func events = [] trace = nil trace = trace xyzzy = nil xyzzy = xyzzy _local_var = :outer eval <<-EOF.gsub(/^.*?: /, ""), nil, 'xyzzy' 1: set_trace_func(lambda{|event, file, line, id, binding, klass| 2: events << [event, line, file, klass, id, binding.eval('self'), binding.eval("_local_var")] if file == 'xyzzy' 3: }) 4: 1.times{|;_local_var| _local_var = :inner 5: tap{} 6: } 7: class XYZZY 8: _local_var = :XYZZY_outer 9: def foo 10: _local_var = :XYZZY_foo 11: bar 12: end 13: def bar 14: _local_var = :XYZZY_bar 15: tap{} 16: end 17: end 18: xyzzy = XYZZY.new 19: xyzzy.foo 20: begin; raise RuntimeError; rescue RuntimeError => raised_exc; end 21: set_trace_func(nil) EOF self.class.class_eval{remove_const(:XYZZY)} return events end def test_tracepoint events1, answer_events = *trace_by_tracepoint(:line, :class, :end, :call, :return, :c_call, :c_return, :raise) ms = [events1, answer_events].map{|evs| evs.map{|e| "#{e[0]} - #{e[2]}:#{e[1]} id: #{e[4]}" } } mesg = ms[0].zip(ms[1]).map{|a, b| if a != b "#{a} <-> #{b}" end }.compact.join("\n") answer_events.zip(events1){|answer, event| assert_equal answer, event, mesg } events2 = trace_by_set_trace_func events1.zip(events2){|ev1, ev2| ev2[0] = ev2[0].sub('-', '_').to_sym assert_equal ev1[0..2], ev2[0..2], ev1.inspect # event, line, file, klass, id, binding.eval('self'), binding.eval("_local_var") assert_equal ev1[3].nil?, ev2[3].nil? # klass assert_equal ev1[4].nil?, ev2[4].nil? # id assert_equal ev1[6], ev2[6] # _local_var } [:line, :class, :end, :call, :return, :c_call, :c_return, :raise].each{|event| events1, answer_events = *trace_by_tracepoint(event) answer_events.find_all{|e| e[0] == event}.zip(events1){|answer_line, event_line| assert_equal answer_line, event_line } } end def test_tracepoint_object_id tps = [] trace = TracePoint.trace(){|tp| next if !target_thread? tps << tp } tap{} tap{} tap{} trace.disable # passed tp is unique, `trace' object which is generated by TracePoint.trace tps.each{|tp| assert_equal trace, tp } end def test_tracepoint_access_from_outside tp_store = nil trace = TracePoint.trace(){|tp| next if !target_thread? tp_store = tp } tap{} trace.disable assert_raise(RuntimeError){tp_store.lineno} assert_raise(RuntimeError){tp_store.event} assert_raise(RuntimeError){tp_store.path} assert_raise(RuntimeError){tp_store.method_id} assert_raise(RuntimeError){tp_store.defined_class} assert_raise(RuntimeError){tp_store.binding} assert_raise(RuntimeError){tp_store.self} assert_raise(RuntimeError){tp_store.return_value} assert_raise(RuntimeError){tp_store.raised_exception} end def foo end def test_tracepoint_enable ary = [] trace = TracePoint.new(:call){|tp| next if !target_thread? ary << tp.method_id } foo trace.enable{ foo } foo assert_equal([:foo], ary) trace = TracePoint.new{} begin assert_equal(false, trace.enable) assert_equal(true, trace.enable) trace.enable{} assert_equal(true, trace.enable) ensure trace.disable end end def test_tracepoint_disable ary = [] trace = TracePoint.trace(:call){|tp| next if !target_thread? ary << tp.method_id } foo trace.disable{ foo } foo trace.disable assert_equal([:foo, :foo], ary) trace = TracePoint.new{} trace.enable{ assert_equal(true, trace.disable) assert_equal(false, trace.disable) trace.disable{} assert_equal(false, trace.disable) } end def test_tracepoint_enabled trace = TracePoint.trace(:call){|tp| # } assert_equal(true, trace.enabled?) trace.disable{ assert_equal(false, trace.enabled?) trace.enable{ assert_equal(true, trace.enabled?) } } trace.disable assert_equal(false, trace.enabled?) end def method_test_tracepoint_return_value obj obj end def test_tracepoint_return_value trace = TracePoint.new(:call, :return){|tp| next if !target_thread? next if tp.path != __FILE__ case tp.event when :call assert_raise(RuntimeError) {tp.return_value} when :return assert_equal("xyzzy", tp.return_value) end } trace.enable{ method_test_tracepoint_return_value "xyzzy" } end class XYZZYException < Exception; end def method_test_tracepoint_raised_exception err raise err end def test_tracepoint_raised_exception trace = TracePoint.new(:call, :return){|tp| next if !target_thread? case tp.event when :call, :return assert_raise(RuntimeError) { tp.raised_exception } when :raise assert_equal(XYZZYError, tp.raised_exception) end } trace.enable{ begin method_test_tracepoint_raised_exception XYZZYException rescue XYZZYException # ok else raise end } end def method_for_test_tracepoint_block yield end def test_tracepoint_block events = [] TracePoint.new(:call, :return, :c_call, :b_call, :c_return, :b_return){|tp| next if !target_thread? events << [ tp.event, tp.method_id, tp.defined_class, tp.self.class, /return/ =~ tp.event ? tp.return_value : nil ] }.enable{ 1.times{ 3 } method_for_test_tracepoint_block{ 4 } } # pp events # expected_events = [[:b_call, :test_tracepoint_block, TestSetTraceFunc, TestSetTraceFunc, nil], [:c_call, :times, Integer, Fixnum, nil], [:b_call, :test_tracepoint_block, TestSetTraceFunc, TestSetTraceFunc, nil], [:b_return, :test_tracepoint_block, TestSetTraceFunc, TestSetTraceFunc, 3], [:c_return, :times, Integer, Fixnum, 1], [:call, :method_for_test_tracepoint_block, TestSetTraceFunc, TestSetTraceFunc, nil], [:b_call, :test_tracepoint_block, TestSetTraceFunc, TestSetTraceFunc, nil], [:b_return, :test_tracepoint_block, TestSetTraceFunc, TestSetTraceFunc, 4], [:return, :method_for_test_tracepoint_block, TestSetTraceFunc, TestSetTraceFunc, 4], [:b_return, :test_tracepoint_block, TestSetTraceFunc, TestSetTraceFunc, 4] ].zip(events){|expected, actual| assert_equal(expected, actual) } end def test_tracepoint_thread events = [] thread_self = nil created_thread = nil TracePoint.new(:thread_begin, :thread_end){|tp| events << [Thread.current, tp.event, tp.lineno, #=> 0 tp.path, #=> nil tp.binding, #=> nil tp.defined_class, #=> nil, tp.self.class # tp.self return creating/ending thread ] }.enable{ created_thread = Thread.new{thread_self = self} created_thread.join } events.reject!{|i| i[0] != created_thread} assert_equal(self, thread_self) assert_equal([created_thread, :thread_begin, 0, nil, nil, nil, Thread], events[0]) assert_equal([created_thread, :thread_end, 0, nil, nil, nil, Thread], events[1]) assert_equal(2, events.size) end def test_tracepoint_inspect events = [] trace = TracePoint.new{|tp| next if !target_thread? events << [tp.event, tp.inspect] } assert_equal("#", trace.inspect) trace.enable{ assert_equal("#", trace.inspect) Thread.new{}.join } assert_equal("#", trace.inspect) events.each{|(ev, str)| case ev when :line assert_match(/ in /, str) when :call, :c_call assert_match(/call \`/, str) # # when :return, :c_return assert_match(/return \`/, str) # # when /thread/ assert_match(/\#> else assert_match(/\#(event, file, line, id, binding, klass) do stf_b = binding if event == 'raise' end begin m1_for_test_trace_point_binding_in_ifunc(0) assert_equal(self, eval('self', stf_b), '[ruby-dev:46960]') m2_for_test_trace_point_binding_in_ifunc([0, nil]) assert_equal(self, eval('self', stf_b), '[ruby-dev:46960]') ensure set_trace_func(nil) end end def test_tracepoint_b_return_with_next n = 0 TracePoint.new(:b_return){ next if !target_thread? n += 1 }.enable{ 3.times{ next } # 3 times b_retun } # 1 time b_return assert_equal 4, n end def test_tracepoint_b_return_with_lambda n = 0 TracePoint.new(:b_return){ next if !target_thread? n+=1 }.enable{ lambda{ return }.call # n += 1 #=> 1 3.times{ lambda{ return # n += 3 #=> 4 }.call } # n += 3 #=> 7 begin lambda{ raise }.call # n += 1 #=> 8 rescue # ignore end # n += 1 #=> 9 } assert_equal 9, n end def test_isolated_raise_in_trace bug9088 = '[ruby-dev:47793] [Bug #9088]' assert_ruby_status([], <<-END, bug9088) set_trace_func proc {raise rescue nil} 1.times {break} END end def test_a_call events = [] TracePoint.new(:a_call){|tp| next if !target_thread? events << tp.event }.enable{ 1.times{ 3 } method_for_test_tracepoint_block{ 4 } } assert_equal([ :b_call, :c_call, :b_call, :call, :b_call, ], events) end def test_a_return events = [] TracePoint.new(:a_return){|tp| next if !target_thread? events << tp.event }.enable{ 1.times{ 3 } method_for_test_tracepoint_block{ 4 } } assert_equal([ :b_return, :c_return, :b_return, :return, :b_return ], events) end def test_const_missing bug59398 = '[ruby-core:59398]' events = [] assert !defined?(MISSING_CONSTANT_59398) TracePoint.new(:c_call, :c_return, :call, :return){|tp| next if !target_thread? next unless tp.defined_class == Module # rake/ext/module.rb aliases :const_missing and Ruby uses the aliased name # but this only happens when running the full test suite events << [tp.event,tp.method_id] if tp.method_id == :const_missing || tp.method_id == :rake_original_const_missing }.enable{ MISSING_CONSTANT_59398 rescue nil } if events.map{|e|e[1]}.include?(:rake_original_const_missing) assert_equal([ [:call, :const_missing], [:c_call, :rake_original_const_missing], [:c_return, :rake_original_const_missing], [:return, :const_missing], ], events, bug59398) else assert_equal([ [:c_call, :const_missing], [:c_return, :const_missing] ], events, bug59398) end end class AliasedRubyMethod def foo; 1; end; alias bar foo end def test_aliased_ruby_method events = [] aliased = AliasedRubyMethod.new TracePoint.new(:call, :return){|tp| next if !target_thread? events << [tp.event, tp.method_id] }.enable{ aliased.bar } assert_equal([ [:call, :foo], [:return, :foo] ], events, "should use original method name for tracing ruby methods") end class AliasedCMethod < Hash alias original_size size def size; original_size; end end def test_aliased_c_method events = [] aliased = AliasedCMethod.new TracePoint.new(:call, :return, :c_call, :c_return){|tp| next if !target_thread? events << [tp.event, tp.method_id] }.enable{ aliased.size } assert_equal([ [:call, :size], [:c_call, :original_size], [:c_return, :original_size], [:return, :size] ], events, "should use alias method name for tracing c methods") end def test_method_missing bug59398 = '[ruby-core:59398]' events = [] assert !respond_to?(:missing_method_59398) TracePoint.new(:c_call, :c_return, :call, :return){|tp| next if !target_thread? next unless tp.defined_class == BasicObject # rake/ext/module.rb aliases :const_missing and Ruby uses the aliased name # but this only happens when running the full test suite events << [tp.event,tp.method_id] if tp.method_id == :method_missing }.enable{ missing_method_59398 rescue nil } assert_equal([ [:c_call, :method_missing], [:c_return, :method_missing] ], events, bug59398) end class C9759 define_method(:foo){ raise } end def test_define_method_on_exception events = [] obj = C9759.new TracePoint.new(:call, :return){|tp| next unless target_thread? events << [tp.event, tp.method_id] }.enable{ obj.foo rescue nil } assert_equal([[:call, :foo], [:return, :foo]], events, 'Bug #9759') events = [] begin set_trace_func(lambda{|event, file, lineno, mid, binding, klass| next unless target_thread? case event when 'call', 'return' events << [event, mid] end }) obj.foo rescue nil set_trace_func(nil) assert_equal([['call', :foo], ['return', :foo]], events, 'Bug #9759') ensure end end def test_recursive assert_ruby_status [], %q{ stack = [] TracePoint.new(:c_call){|tp| p 2 stack << tp.method_id }.enable{ p 1 } raise if stack != [:p, :hash, :inspect] }, '[Bug #9940]' end def method_prefix event case event when :call, :return :n when :c_call, :c_return :c when :b_call, :b_return :b end end def method_label tp "#{method_prefix(tp.event)}##{tp.method_id}" end def assert_consistent_call_return message='', check_events: nil check_events ||= %i(a_call a_return) call_stack = [] TracePoint.new(*check_events){|tp| next unless target_thread? case tp.event.to_s when /call/ call_stack << method_label(tp) when /return/ frame = call_stack.pop assert_equal(frame, method_label(tp)) end }.enable do yield end assert_equal true, call_stack.empty? end def method_test_rescue_should_not_cause_b_return begin raise rescue return end end def method_test_ensure_should_not_cause_b_return begin raise ensure return end end def test_rescue_and_ensure_should_not_cause_b_return assert_consistent_call_return '[Bug #9957]' do method_test_rescue_should_not_cause_b_return begin method_test_ensure_should_not_cause_b_return rescue # ignore end end end define_method(:method_test_argument_error_on_bmethod){|correct_key: 1|} def test_argument_error_on_bmethod assert_consistent_call_return '[Bug #9959]' do begin method_test_argument_error_on_bmethod(wrong_key: 2) rescue => e # ignore end end end def test_rb_rescue assert_consistent_call_return '[Bug #9961]' do begin -Numeric.new rescue => e # ignore end end end def test_b_call_with_redo assert_consistent_call_return '[Bug #9964]' do i = 0 1.times{ break if (i+=1) > 10 redo } end end def test_no_duplicate_line_events lines = [] dummy = [] TracePoint.new(:line){|tp| next unless target_thread? lines << tp.lineno }.enable{ dummy << (1) + (2) dummy << (1) + (2) } assert_equal [__LINE__ - 3, __LINE__ - 2], lines, 'Bug #10449' end end