require 'pp' require 'delegate' require 'test/unit' module PPTestModule class PPTest < Test::Unit::TestCase def test_list0123_12 assert_equal("[0, 1, 2, 3]\n", PP.pp([0,1,2,3], '', 12)) end def test_list0123_11 assert_equal("[0,\n 1,\n 2,\n 3]\n", PP.pp([0,1,2,3], '', 11)) end OverriddenStruct = Struct.new("OverriddenStruct", :members, :class) def test_struct_override_members # [ruby-core:7865] a = OverriddenStruct.new(1,2) assert_equal("#\n", PP.pp(a, '')) end def test_redefined_method o = "" def o.method end assert_equal(%(""\n), PP.pp(o, "")) end end class HasInspect def initialize(a) @a = a end def inspect return "" end end class HasPrettyPrint def initialize(a) @a = a end def pretty_print(q) q.text "" end end class HasBoth def initialize(a) @a = a end def inspect return "" end def pretty_print(q) q.text "" end end class PrettyPrintInspect < HasPrettyPrint alias inspect pretty_print_inspect end class PrettyPrintInspectWithoutPrettyPrint alias inspect pretty_print_inspect end class PPInspectTest < Test::Unit::TestCase def test_hasinspect a = HasInspect.new(1) assert_equal("\n", PP.pp(a, '')) end def test_hasprettyprint a = HasPrettyPrint.new(1) assert_equal("\n", PP.pp(a, '')) end def test_hasboth a = HasBoth.new(1) assert_equal("\n", PP.pp(a, '')) end def test_pretty_print_inspect a = PrettyPrintInspect.new(1) assert_equal("", a.inspect) a = PrettyPrintInspectWithoutPrettyPrint.new assert_raise(RuntimeError) { a.inspect } end def test_proc a = proc {1} assert_equal("#{a.inspect}\n", PP.pp(a, '')) end def test_to_s_with_iv a = Object.new def a.to_s() "aaa" end a.instance_eval { @a = nil } result = PP.pp(a, '') assert_equal("#{a.inspect}\n", result) end def test_to_s_without_iv a = Object.new def a.to_s() "aaa" end result = PP.pp(a, '') assert_equal("#{a.inspect}\n", result) end end class PPCycleTest < Test::Unit::TestCase def test_array a = [] a << a assert_equal("[[...]]\n", PP.pp(a, '')) assert_equal("#{a.inspect}\n", PP.pp(a, '')) end def test_hash a = {} a[0] = a assert_equal("{0=>{...}}\n", PP.pp(a, '')) assert_equal("#{a.inspect}\n", PP.pp(a, '')) end S = Struct.new("S", :a, :b) def test_struct a = S.new(1,2) a.b = a assert_equal("#>\n", PP.pp(a, '')) assert_equal("#{a.inspect}\n", PP.pp(a, '')) end def test_object a = Object.new a.instance_eval {@a = a} assert_equal(a.inspect + "\n", PP.pp(a, '')) end def test_anonymous a = Class.new.new assert_equal(a.inspect + "\n", PP.pp(a, '')) end def test_withinspect a = [] a << HasInspect.new(a) assert_equal("[]\n", PP.pp(a, '')) assert_equal("#{a.inspect}\n", PP.pp(a, '')) end def test_share_nil begin PP.sharing_detection = true a = [nil, nil] assert_equal("[nil, nil]\n", PP.pp(a, '')) ensure PP.sharing_detection = false end end end class PPSingleLineTest < Test::Unit::TestCase def test_hash assert_equal("{1=>1}", PP.singleline_pp({ 1 => 1}, '')) # [ruby-core:02699] assert_equal("[1#{', 1'*99}]", PP.singleline_pp([1]*100, '')) end end class PPDelegateTest < Test::Unit::TestCase class A < DelegateClass(Array); end def test_delegate assert_equal("[]\n", A.new([]).pretty_inspect, "[ruby-core:25804]") end end class PPFileStatTest < Test::Unit::TestCase def test_nothing_raised assert_nothing_raised do File.stat(__FILE__).pretty_inspect end end end end