diff options
Diffstat (limited to 'test/ruby/test_optimization.rb')
-rw-r--r-- | test/ruby/test_optimization.rb | 176 |
1 files changed, 173 insertions, 3 deletions
diff --git a/test/ruby/test_optimization.rb b/test/ruby/test_optimization.rb index b0090d654a..a7a0582dbb 100644 --- a/test/ruby/test_optimization.rb +++ b/test/ruby/test_optimization.rb @@ -16,6 +16,18 @@ class TestRubyOptimization < Test::Unit::TestCase end; end + def assert_performance_warning(klass, method) + assert_in_out_err([], "#{<<-"begin;"}\n#{<<~"end;"}", [], ["-:4: warning: Redefining '#{klass}##{method}' disables interpreter and JIT optimizations"]) + begin; + Warning[:performance] = true + class #{klass} + undef #{method} + def #{method} + end + end + end; + end + def disasm(name) RubyVM::InstructionSequence.of(method(name)).disasm end @@ -23,102 +35,122 @@ class TestRubyOptimization < Test::Unit::TestCase def test_fixnum_plus assert_equal 21, 10 + 11 assert_redefine_method('Integer', '+', 'assert_equal 11, 10 + 11') + assert_performance_warning('Integer', '+') end def test_fixnum_minus assert_equal 5, 8 - 3 assert_redefine_method('Integer', '-', 'assert_equal 3, 8 - 3') + assert_performance_warning('Integer', '-') end def test_fixnum_mul assert_equal 15, 3 * 5 assert_redefine_method('Integer', '*', 'assert_equal 5, 3 * 5') + assert_performance_warning('Integer', '*') end def test_fixnum_div assert_equal 3, 15 / 5 assert_redefine_method('Integer', '/', 'assert_equal 5, 15 / 5') + assert_performance_warning('Integer', '/') end def test_fixnum_mod assert_equal 1, 8 % 7 assert_redefine_method('Integer', '%', 'assert_equal 7, 8 % 7') + assert_performance_warning('Integer', '%') end def test_fixnum_lt assert_equal true, 1 < 2 assert_redefine_method('Integer', '<', 'assert_equal 2, 1 < 2') + assert_performance_warning('Integer', '<') end def test_fixnum_le assert_equal true, 1 <= 2 assert_redefine_method('Integer', '<=', 'assert_equal 2, 1 <= 2') + assert_performance_warning('Integer', '<=') end def test_fixnum_gt assert_equal false, 1 > 2 assert_redefine_method('Integer', '>', 'assert_equal 2, 1 > 2') + assert_performance_warning('Integer', '>') end def test_fixnum_ge assert_equal false, 1 >= 2 assert_redefine_method('Integer', '>=', 'assert_equal 2, 1 >= 2') + assert_performance_warning('Integer', '>=') end def test_float_plus assert_equal 4.0, 2.0 + 2.0 assert_redefine_method('Float', '+', 'assert_equal 2.0, 2.0 + 2.0') + assert_performance_warning('Float', '+') end def test_float_minus assert_equal 4.0, 2.0 + 2.0 - assert_redefine_method('Float', '+', 'assert_equal 2.0, 2.0 + 2.0') + assert_redefine_method('Float', '-', 'assert_equal 2.0, 4.0 - 2.0') + assert_performance_warning('Float', '-') end def test_float_mul assert_equal 29.25, 4.5 * 6.5 assert_redefine_method('Float', '*', 'assert_equal 6.5, 4.5 * 6.5') + assert_performance_warning('Float', '*') end def test_float_div assert_in_delta 0.63063063063063063, 4.2 / 6.66 assert_redefine_method('Float', '/', 'assert_equal 6.66, 4.2 / 6.66', "[Bug #9238]") + assert_performance_warning('Float', '/') end def test_float_lt assert_equal true, 1.1 < 2.2 assert_redefine_method('Float', '<', 'assert_equal 2.2, 1.1 < 2.2') + assert_performance_warning('Float', '<') end def test_float_le assert_equal true, 1.1 <= 2.2 assert_redefine_method('Float', '<=', 'assert_equal 2.2, 1.1 <= 2.2') + assert_performance_warning('Float', '<=') end def test_float_gt assert_equal false, 1.1 > 2.2 assert_redefine_method('Float', '>', 'assert_equal 2.2, 1.1 > 2.2') + assert_performance_warning('Float', '>') end def test_float_ge assert_equal false, 1.1 >= 2.2 assert_redefine_method('Float', '>=', 'assert_equal 2.2, 1.1 >= 2.2') + assert_performance_warning('Float', '>=') end def test_string_length assert_equal 6, "string".length assert_redefine_method('String', 'length', 'assert_nil "string".length') + assert_performance_warning('String', 'length') end def test_string_size assert_equal 6, "string".size assert_redefine_method('String', 'size', 'assert_nil "string".size') + assert_performance_warning('String', 'size') end def test_string_empty? assert_equal true, "".empty? assert_equal false, "string".empty? assert_redefine_method('String', 'empty?', 'assert_nil "string".empty?') + assert_performance_warning('String', 'empty?') end def test_string_plus @@ -127,27 +159,96 @@ class TestRubyOptimization < Test::Unit::TestCase assert_equal "x", "" + "x" assert_equal "ab", "a" + "b" assert_redefine_method('String', '+', 'assert_equal "b", "a" + "b"') + assert_performance_warning('String', '+') end def test_string_succ assert_equal 'b', 'a'.succ assert_equal 'B', 'A'.succ + assert_performance_warning('String', 'succ') end def test_string_format assert_equal '2', '%d' % 2 assert_redefine_method('String', '%', 'assert_equal 2, "%d" % 2') + assert_performance_warning('String', '%') end def test_string_freeze assert_equal "foo", "foo".freeze assert_equal "foo".freeze.object_id, "foo".freeze.object_id assert_redefine_method('String', 'freeze', 'assert_nil "foo".freeze') + assert_performance_warning('String', 'freeze') end def test_string_uminus assert_same "foo".freeze, -"foo" assert_redefine_method('String', '-@', 'assert_nil(-"foo")') + assert_performance_warning('String', '-@') + end + + def test_array_min + assert_equal 1, [1, 2, 4].min + assert_redefine_method('Array', 'min', 'assert_nil([1, 2, 4].min)') + assert_redefine_method('Array', 'min', 'assert_nil([1 + 0, 2, 4].min)') + assert_performance_warning('Array', 'min') + end + + def test_array_max + assert_equal 4, [1, 2, 4].max + assert_redefine_method('Array', 'max', 'assert_nil([1, 2, 4].max)') + assert_redefine_method('Array', 'max', 'assert_nil([1 + 0, 2, 4].max)') + assert_performance_warning('Array', 'max') + end + + def test_array_hash + assert_performance_warning('Array', 'hash') + end + + def test_trace_optimized_methods + bug14870 = "[ruby-core:87638]" + expected = [:-@, :max, :min, :+, :-, :*, :/, :%, :==, :<, :<=, :>, :>=, :<<, + :&, :|, :[], :[]=, :length, :empty?, :nil?, :succ, :!, :=~] + [:c_call, :c_return].each do |type| + methods = [] + tp = TracePoint.new(type) { |tp| methods << tp.method_id } + tp.enable do + x = "a"; x = -x + [1].max + [1].min + x = 42 + 2 + x = 42 - 2 + x = 42 * 2 + x = 42 / 2 + x = 42 % 2 + y = x == 42 + y = x < 42 + y = x <= 42 + y = x > 42 + y = x >= 42 + x = x << 1 + x = x & 1 + x = x | 1 + x = []; x[1] + x[1] = 2 + x.length + x.empty? + x.nil? + x = 1; x.succ + !x + x = 'a'; x =~ /a/ + x = y + end + assert_equal(expected, methods, bug14870) + end + + methods = [] + tp = TracePoint.new(:c_call, :c_return) { |tp| methods << tp.method_id } + tp.enable do + x = 1 + x != 42 + end + assert_equal([:!=, :==, :==, :!=], methods, bug14870) end def test_string_freeze_saves_memory @@ -177,6 +278,8 @@ class TestRubyOptimization < Test::Unit::TestCase assert_equal :b, (b #{m} "b").to_sym end end + + assert_performance_warning('String', '==') end def test_string_ltlt @@ -185,50 +288,59 @@ class TestRubyOptimization < Test::Unit::TestCase assert_equal "x", "" << "x" assert_equal "ab", "a" << "b" assert_redefine_method('String', '<<', 'assert_equal "b", "a" << "b"') + assert_performance_warning('String', '<<') end def test_fixnum_and assert_equal 1, 1&3 assert_redefine_method('Integer', '&', 'assert_equal 3, 1&3') + assert_performance_warning('Integer', '&') end def test_fixnum_or assert_equal 3, 1|3 assert_redefine_method('Integer', '|', 'assert_equal 1, 3|1') + assert_performance_warning('Integer', '|') end def test_array_plus assert_equal [1,2], [1]+[2] assert_redefine_method('Array', '+', 'assert_equal [2], [1]+[2]') + assert_performance_warning('Array', '+') end def test_array_minus assert_equal [2], [1,2] - [1] assert_redefine_method('Array', '-', 'assert_equal [1], [1,2]-[1]') + assert_performance_warning('Array', '-') end def test_array_length assert_equal 0, [].length assert_equal 3, [1,2,3].length assert_redefine_method('Array', 'length', 'assert_nil([].length); assert_nil([1,2,3].length)') + assert_performance_warning('Array', 'length') end def test_array_empty? assert_equal true, [].empty? assert_equal false, [1,2,3].empty? assert_redefine_method('Array', 'empty?', 'assert_nil([].empty?); assert_nil([1,2,3].empty?)') + assert_performance_warning('Array', 'empty?') end def test_hash_length assert_equal 0, {}.length assert_equal 1, {1=>1}.length assert_redefine_method('Hash', 'length', 'assert_nil({}.length); assert_nil({1=>1}.length)') + assert_performance_warning('Hash', 'length') end def test_hash_empty? assert_equal true, {}.empty? assert_equal false, {1=>1}.empty? assert_redefine_method('Hash', 'empty?', 'assert_nil({}.empty?); assert_nil({1=>1}.empty?)') + assert_performance_warning('Hash', 'empty?') end def test_hash_aref_with @@ -239,6 +351,7 @@ class TestRubyOptimization < Test::Unit::TestCase h = { "foo" => 1 } assert_equal "foo", h["foo"] end; + assert_performance_warning('Hash', '[]') end def test_hash_aset_with @@ -250,6 +363,7 @@ class TestRubyOptimization < Test::Unit::TestCase assert_equal 1, h["foo"] = 1, "assignment always returns value set" assert_nil h["foo"] end; + assert_performance_warning('Hash', '[]=') end class MyObj @@ -379,6 +493,31 @@ class TestRubyOptimization < Test::Unit::TestCase message(bug12565) {disasm(:add_one_and_two)}) end + def test_c_func_with_sp_offset_under_tailcall + tailcall("#{<<-"begin;"}\n#{<<~"end;"}") + begin; + def calc_one_plus_two + 1 + 2.abs + end + + def one_plus_two + calc_one_plus_two + end + end; + assert_equal(3, one_plus_two) + end + + def test_tailcall_and_post_arg + tailcall(<<~RUBY) + def ret_const = :ok + + def post_arg(_a = 1, _b) = ret_const + RUBY + + # YJIT probably uses a fallback on the call to post_arg + assert_equal(:ok, post_arg(0)) + end + def test_tailcall_interrupted_by_sigint bug12576 = 'ruby-core:76327' script = "#{<<-"begin;"}\n#{<<~'end;'}" @@ -452,7 +591,7 @@ class TestRubyOptimization < Test::Unit::TestCase end def test_tailcall_not_to_grow_stack - skip 'currently JIT-ed code always creates a new stack frame' if defined?(RubyVM::JIT) && RubyVM::JIT.enabled? + omit 'currently JIT-ed code always creates a new stack frame' if defined?(RubyVM::RJIT) && RubyVM::RJIT.enabled? bug16161 = '[ruby-core:94881]' tailcall("#{<<-"begin;"}\n#{<<~"end;"}") @@ -494,7 +633,7 @@ class TestRubyOptimization < Test::Unit::TestCase begin; class String undef freeze - def freeze + def freeze(&) block_given? end end @@ -556,6 +695,7 @@ class TestRubyOptimization < Test::Unit::TestCase [ nil, true, false, 0.1, :sym, 'str', 0xffffffffffffffff ].each do |v| k = v.class.to_s assert_redefine_method(k, '===', "assert_equal(#{v.inspect} === 0, 0)") + assert_performance_warning(k, '===') end end @@ -845,4 +985,34 @@ class TestRubyOptimization < Test::Unit::TestCase raise "END" end; end + + class Objtostring + end + + def test_objtostring + assert_raise(NoMethodError){"#{BasicObject.new}"} + assert_redefine_method('Symbol', 'to_s', <<-'end') + assert_match %r{\A#<Symbol:0x[0-9a-f]+>\z}, "#{:foo}" + end + assert_redefine_method('NilClass', 'to_s', <<-'end') + assert_match %r{\A#<NilClass:0x[0-9a-f]+>\z}, "#{nil}" + end + assert_redefine_method('TrueClass', 'to_s', <<-'end') + assert_match %r{\A#<TrueClass:0x[0-9a-f]+>\z}, "#{true}" + end + assert_redefine_method('FalseClass', 'to_s', <<-'end') + assert_match %r{\A#<FalseClass:0x[0-9a-f]+>\z}, "#{false}" + end + assert_redefine_method('Integer', 'to_s', <<-'end') + (-1..10).each { |i| + assert_match %r{\A#<Integer:0x[0-9a-f]+>\z}, "#{i}" + } + end + assert_equal "TestRubyOptimization::Objtostring", "#{Objtostring}" + assert_match %r{\A#<Class:0x[0-9a-f]+>\z}, "#{Class.new}" + assert_match %r{\A#<Module:0x[0-9a-f]+>\z}, "#{Module.new}" + o = Object.new + def o.to_s; 1; end + assert_match %r{\A#<Object:0x[0-9a-f]+>\z}, "#{o}" + end end |