summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--enum.c10
-rw-r--r--test/ruby/test_lazy_enumerator.rb12
2 files changed, 17 insertions, 5 deletions
diff --git a/enum.c b/enum.c
index 2e78d08a9a..6c68240f0e 100644
--- a/enum.c
+++ b/enum.c
@@ -319,17 +319,17 @@ limit_by_enum_size(VALUE obj, long n)
{
unsigned long limit;
VALUE size = rb_check_funcall(obj, id_size, 0, 0);
- if (size == Qundef) return n;
- limit = NUM2ULONG(size);
- return ((unsigned long)n > limit) ? limit : n;
+ if (!FIXNUM_P(size)) return n;
+ limit = FIX2ULONG(size);
+ return ((unsigned long)n > limit) ? (long)limit : n;
}
static int
enum_size_over_p(VALUE obj, long n)
{
VALUE size = rb_check_funcall(obj, id_size, 0, 0);
- if (size == Qundef) return 0;
- return ((unsigned long)n > NUM2ULONG(size));
+ if (!FIXNUM_P(size)) return 0;
+ return ((unsigned long)n > FIX2ULONG(size));
}
/*
diff --git a/test/ruby/test_lazy_enumerator.rb b/test/ruby/test_lazy_enumerator.rb
index 75f24580ca..952a773d58 100644
--- a/test/ruby/test_lazy_enumerator.rb
+++ b/test/ruby/test_lazy_enumerator.rb
@@ -483,6 +483,18 @@ EOS
assert_equal Enumerator::Lazy, [].lazy.slice_when{}.class, bug7507
end
+ def test_each_cons_limit
+ n = 1 << 120
+ assert_equal([1, 2], (1..n).lazy.each_cons(2).first)
+ assert_equal([[1, 2], [2, 3]], (1..n).lazy.each_cons(2).first(2))
+ end
+
+ def test_each_slice_limit
+ n = 1 << 120
+ assert_equal([1, 2], (1..n).lazy.each_slice(2).first)
+ assert_equal([[1, 2], [3, 4]], (1..n).lazy.each_slice(2).first(2))
+ end
+
def test_no_warnings
le = (1..3).lazy
assert_warning("") {le.zip([4,5,6]).force}