This modifies the following String methods to return String instances
instead of subclass instances:
* String#*
* String#capitalize
* String#center
* String#chomp
* String#chop
* String#delete
* String#delete_prefix
* String#delete_suffix
* String#downcase
* String#dump
* String#each/#each_line
* String#gsub
* String#ljust
* String#lstrip
* String#partition
* String#reverse
* String#rjust
* String#rpartition
* String#rstrip
* String#scrub
* String#slice!
* String#slice/#[]
* String#split
* String#squeeze
* String#strip
* String#sub
* String#succ/#next
* String#swapcase
* String#tr
* String#tr_s
* String#upcase
This also fixes a bug in String#swapcase where it would return the
receiver instead of a copy of the receiver if the receiver was the
empty string.
Some string methods were left to return subclass instances:
* String#+@
* String#-@
Both of these methods will return the receiver (subclass instance)
in some cases, so it is best to keep the returned class consistent.
Fixes [#10845]
When you change this to true, you may need to add more tests.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* string.c (rb_string_value_cstr): should not raise on frozen
string.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@52833 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* string.c (str_replace_shared_without_enc): fill the terminator
of embedded strings in wide char encodings.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51372 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* string.c (str_make_independent_expand): terminate String when
moved from heap to embedded. [Fix GH-821].
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49405 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/-ext-/string/test_cstr.rb (assert_wchars_term_char): test
for all wide char encodings.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48755 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/-ext-/string/test_cstr.rb (test_wchar_long): show the
failed encoding name in error messages.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48753 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* string.c (rb_string_value_cstr): fill minimum length of the encoding
as the terminator.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41919 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* string.c (rb_string_value_cstr): check null char in char, not in
byte.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@41918 b2dd03c8-39d4-4d8f-98ff-823fe69b080e