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 } end def teardown set_trace_func(nil) RubyVM::InstructionSequence.compile_option = @original_compile_option end def test_c_call events = [] eval <<-EOF.gsub(/^.*?: /, "") 1: set_trace_func(Proc.new { |event, file, lineno, mid, binding, klass| 2: events << [event, lineno, mid, klass] 3: }) 4: x = 1 + 1 5: set_trace_func(nil) EOF assert_equal(["c-return", 3, :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 = [] eval <<-EOF.gsub(/^.*?: /, "") 1: set_trace_func(Proc.new { |event, file, lineno, mid, binding, klass| 2: events << [event, lineno, mid, klass] 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", 3, :set_trace_func, Kernel], events.shift) assert_equal(["line", 4, __method__, self.class], events.shift) assert_equal(["c-call", 4, :method_added, Module], events.shift) assert_equal(["c-return", 4, :method_added, Module], 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", 4, :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 = [] eval <<-EOF.gsub(/^.*?: /, "") 1: set_trace_func(Proc.new { |event, file, lineno, mid, binding, klass| 2: events << [event, lineno, mid, klass] 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", 3, :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", 7, 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", 5, :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_raise events = [] eval <<-EOF.gsub(/^.*?: /, "") 1: set_trace_func(Proc.new { |event, file, lineno, mid, binding, klass| 2: events << [event, lineno, mid, klass] 3: }) 4: begin 5: raise TypeError, "error" 6: rescue TypeError 7: end 8: set_trace_func(nil) EOF assert_equal(["c-return", 3, :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-call", 5, :backtrace, Exception], events.shift) assert_equal(["c-return", 5, :backtrace, Exception], events.shift) assert_equal(["c-call", 5, :set_backtrace, Exception], events.shift) assert_equal(["c-return", 5, :set_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_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 end