diff options
Diffstat (limited to 'test/ruby/test_struct.rb')
| -rw-r--r-- | test/ruby/test_struct.rb | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/test/ruby/test_struct.rb b/test/ruby/test_struct.rb index fa1bb1549a..49dcdb45b2 100644 --- a/test/ruby/test_struct.rb +++ b/test/ruby/test_struct.rb @@ -1,4 +1,5 @@ require 'test/unit' +require 'timeout' class TestStruct < Test::Unit::TestCase def test_struct @@ -21,4 +22,231 @@ class TestStruct < Test::Unit::TestCase test.bar = 47 assert_equal(47, test.bar) end + + # [ruby-dev:26247] more than 10 struct members causes segmentation fault + def test_morethan10members + list = %w( a b c d e f g h i j k l m n o p ) + until list.empty? + c = Struct.new(* list.map {|ch| ch.intern }).new + list.each do |ch| + c.__send__(ch) + end + list.pop + end + end + + def test_small_structs + names = [:a, :b, :c, :d] + 1.upto(4) {|n| + fields = names[0, n] + klass = Struct.new(*fields) + o = klass.new(*(0...n).to_a) + fields.each_with_index {|name, i| + assert_equal(i, o[name]) + } + o = klass.new(*(0...n).to_a.reverse) + fields.each_with_index {|name, i| + assert_equal(n-i-1, o[name]) + } + } + end + + def test_inherit + klass = Struct.new(:a) + klass2 = Class.new(klass) + o = klass2.new(1) + assert_equal(1, o.a) + end + + def test_members + klass = Struct.new(:a) + o = klass.new(1) + assert_equal([:a], klass.members) + assert_equal([:a], o.members) + end + + def test_ref + klass = Struct.new(:a) + o = klass.new(1) + assert_equal(1, o[:a]) + assert_raise(NameError) { o[:b] } + end + + def test_modify + klass = Struct.new(:a) + o = klass.new(1) + assert_raise(SecurityError) do + Thread.new do + $SAFE = 4 + o.a = 2 + end.value + end + end + + def test_set + klass = Struct.new(:a) + o = klass.new(1) + o[:a] = 2 + assert_equal(2, o[:a]) + assert_raise(NameError) { o[:b] = 3 } + end + + def test_struct_new + assert_raise(NameError) { Struct.new("foo") } + assert_nothing_raised { Struct.new("Foo") } + Struct.instance_eval { remove_const(:Foo) } + assert_nothing_raised { Struct.new(:a) { } } + assert_raise(RuntimeError) { Struct.new(:a) { raise } } + + assert_equal([:utime, :stime, :cutime, :cstime], Process.times.members) + end + + def test_initialize + klass = Struct.new(:a) + assert_raise(ArgumentError) { klass.new(1, 2) } + end + + def test_each + klass = Struct.new(:a, :b) + o = klass.new(1, 2) + assert_equal([1, 2], o.each.to_a) + end + + def test_each_pair + klass = Struct.new(:a, :b) + o = klass.new(1, 2) + assert_equal([[:a, 1], [:b, 2]], o.each_pair.to_a) + end + + def test_inspect + klass = Struct.new(:a) + o = klass.new(1) + assert_equal("#<struct a=1>", o.inspect) + o.a = o + assert_match(/^#<struct a=#<struct #<.*?>:...>>$/, o.inspect) + + Struct.new("Foo", :a) + o = Struct::Foo.new(1) + assert_equal("#<struct Struct::Foo a=1>", o.inspect) + Struct.instance_eval { remove_const(:Foo) } + + klass = Struct.new(:a, :b) + o = klass.new(1, 2) + assert_equal("#<struct a=1, b=2>", o.inspect) + + klass = Struct.new(:@a) + o = klass.new(1) + assert_equal("#<struct :@a=1>", o.inspect) + end + + def test_init_copy + klass = Struct.new(:a) + o = klass.new(1) + assert_equal(o, o.dup) + end + + def test_aref + klass = Struct.new(:a) + o = klass.new(1) + assert_equal(1, o[0]) + assert_raise(IndexError) { o[-2] } + assert_raise(IndexError) { o[1] } + end + + def test_aset + klass = Struct.new(:a) + o = klass.new(1) + o[0] = 2 + assert_equal(2, o[:a]) + assert_raise(IndexError) { o[-2] = 3 } + assert_raise(IndexError) { o[1] = 3 } + end + + def test_values_at + klass = Struct.new(:a, :b, :c, :d, :e, :f) + o = klass.new(1, 2, 3, 4, 5, 6) + assert_equal([2, 4, 6], o.values_at(1, 3, 5)) + assert_equal([2, 3, 4, 3, 4, 5], o.values_at(1..3, 2...5)) + end + + def test_select + klass = Struct.new(:a, :b, :c, :d, :e, :f) + o = klass.new(1, 2, 3, 4, 5, 6) + assert_equal([1, 3, 5], o.select {|v| v % 2 != 0 }) + assert_raise(ArgumentError) { o.select(1) } + end + + def test_equal + klass1 = Struct.new(:a) + klass2 = Struct.new(:a, :b) + o1 = klass1.new(1) + o2 = klass1.new(1) + o3 = klass2.new(1) + assert(o1.==(o2)) + assert(o1 != o3) + end + + def test_hash + klass = Struct.new(:a) + o = klass.new(1) + assert(o.hash.is_a?(Fixnum)) + end + + def test_eql + klass1 = Struct.new(:a) + klass2 = Struct.new(:a, :b) + o1 = klass1.new(1) + o2 = klass1.new(1) + o3 = klass2.new(1) + assert(o1.eql?(o2)) + assert(!(o1.eql?(o3))) + end + + def test_size + klass = Struct.new(:a) + o = klass.new(1) + assert_equal(1, o.size) + end + + def test_error + assert_raise(TypeError){ + Struct.new(0) + } + end + + def test_nonascii + struct_test = Struct.new("R\u{e9}sum\u{e9}", :"r\u{e9}sum\u{e9}") + assert_equal(Struct.const_get("R\u{e9}sum\u{e9}"), struct_test, '[ruby-core:24849]') + a = struct_test.new(42) + assert_equal("#<struct Struct::R\u{e9}sum\u{e9} r\u{e9}sum\u{e9}=42>", a.inspect, '[ruby-core:24849]') + end + + def test_comparison_when_recursive + klass1 = Struct.new(:a, :b, :c) + + x = klass1.new(1, 2, nil); x.c = x + y = klass1.new(1, 2, nil); y.c = y + Timeout.timeout(1) { + assert x == y + assert x.eql? y + } + + z = klass1.new(:something, :other, nil); z.c = z + Timeout.timeout(1) { + assert x != z + assert !x.eql?(z) + } + + x.c = y; y.c = x + Timeout.timeout(1) { + assert x == y + assert x.eql?(y) + } + + x.c = z; z.c = x + Timeout.timeout(1) { + assert x != z + assert !x.eql?(z) + } + end end |