diff options
author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-03-18 15:33:37 +0000 |
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committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-03-18 15:33:37 +0000 |
commit | f8b4df93d22930ad5ca4f73ea7740ea253d4859b (patch) | |
tree | d83975e699f297dbc64f1114dd5aecfa139f5107 | |
parent | 091f98cf8c34c4288d0a3afcddd566ab652a30fb (diff) |
merge revision(s) 60666,60667,60668: [Backport #14082]
Fix size on Enumerable#cycle when the size is 0 [Bug #14082].
Patch by Kenichi Kamiya
test/ruby/test_lazy_enumerator.rb: test for [Bug #14082]
enum.c: check argument first
* enum.c (enum_cycle_size): check an argument before the size of
the receiver, if it is given.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_3@62827 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | ChangeLog | 15 | ||||
-rw-r--r-- | enum.c | 14 | ||||
-rw-r--r-- | test/ruby/test_enumerator.rb | 9 | ||||
-rw-r--r-- | test/ruby/test_lazy_enumerator.rb | 9 | ||||
-rw-r--r-- | version.h | 2 |
5 files changed, 42 insertions, 7 deletions
@@ -1,3 +1,18 @@ +Mon Mar 19 00:32:31 2018 Nobuyoshi Nakada <nobu@ruby-lang.org> + + * test/ruby/test_lazy_enumerator.rb: test for [Bug #14082] + + enum.c: check argument first + + * enum.c (enum_cycle_size): check an argument before the size of the + receiver, if it is given. + +Mon Mar 19 00:32:31 2018 Marc-Andre Lafortune <ruby-core@marc-andre.ca> + + Fix size on Enumerable#cycle when the size is 0 [Bug #14082]. + + Patch by Kenichi Kamiya + Mon Mar 19 00:28:28 2018 Nobuyoshi Nakada <nobu@ruby-lang.org> * parse.y (parser_here_document): an escaped newline is not an @@ -2678,17 +2678,19 @@ cycle_i(RB_BLOCK_CALL_FUNC_ARGLIST(i, ary)) static VALUE enum_cycle_size(VALUE self, VALUE args, VALUE eobj) { - long mul; + long mul = 0; VALUE n = Qnil; - VALUE size = enum_size(self, args, 0); - - if (size == Qnil) return Qnil; + VALUE size; if (args && (RARRAY_LEN(args) > 0)) { n = RARRAY_AREF(args, 0); + if (!NIL_P(n)) mul = NUM2LONG(n); } - if (n == Qnil) return DBL2NUM(INFINITY); - mul = NUM2LONG(n); + + size = enum_size(self, args, 0); + if (NIL_P(size) || size == INT2FIX(0)) return size; + + if (NIL_P(n)) return DBL2NUM(INFINITY); if (mul <= 0) return INT2FIX(0); return rb_funcall(size, '*', 1, LONG2FIX(mul)); } diff --git a/test/ruby/test_enumerator.rb b/test/ruby/test_enumerator.rb index aa36187ba2..dfb3e02db9 100644 --- a/test/ruby/test_enumerator.rb +++ b/test/ruby/test_enumerator.rb @@ -575,13 +575,22 @@ class TestEnumerator < Test::Unit::TestCase assert_equal Float::INFINITY, [:foo].cycle.size assert_equal 10, [:foo, :bar].cycle(5).size assert_equal 0, [:foo, :bar].cycle(-10).size + assert_equal Float::INFINITY, {foo: 1}.cycle.size + assert_equal 10, {foo: 1, bar: 2}.cycle(5).size + assert_equal 0, {foo: 1, bar: 2}.cycle(-10).size assert_equal 0, [].cycle.size assert_equal 0, [].cycle(5).size + assert_equal 0, {}.cycle.size + assert_equal 0, {}.cycle(5).size assert_equal nil, @obj.cycle.size assert_equal nil, @obj.cycle(5).size assert_equal Float::INFINITY, @sized.cycle.size assert_equal 126, @sized.cycle(3).size + assert_equal Float::INFINITY, [].to_enum { 42 }.cycle.size + assert_equal 0, [].to_enum { 0 }.cycle.size + + assert_raise(TypeError) {[].to_enum { 0 }.cycle("").size} end def test_size_for_loops diff --git a/test/ruby/test_lazy_enumerator.rb b/test/ruby/test_lazy_enumerator.rb index 5feddd5bde..0b9e4dc199 100644 --- a/test/ruby/test_lazy_enumerator.rb +++ b/test/ruby/test_lazy_enumerator.rb @@ -480,6 +480,15 @@ EOS assert_equal Float::INFINITY, loop.lazy.cycle.size assert_equal nil, lazy.select{}.cycle(4).size assert_equal nil, lazy.select{}.cycle.size + + class << (obj = Object.new) + def each; end + def size; 0; end + include Enumerable + end + lazy = obj.lazy + assert_equal 0, lazy.cycle.size + assert_raise(TypeError) {lazy.cycle("").size} end def test_map_zip @@ -1,6 +1,6 @@ #define RUBY_VERSION "2.3.7" #define RUBY_RELEASE_DATE "2018-03-19" -#define RUBY_PATCHLEVEL 427 +#define RUBY_PATCHLEVEL 428 #define RUBY_RELEASE_YEAR 2018 #define RUBY_RELEASE_MONTH 3 |