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Pathname#empty? implemented.

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* ext/pathname/pathname.c (Pathname#empty?): New method.
  [ruby-core:76404] [Feature#12596] Proposed by John Backus.



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56571 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2016-11-05 03:29:08 +00:00
parent 19e59705f8
commit 9373c5efb9
4 changed files with 39 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Sat Nov 5 12:14:31 2016 Tanaka Akira <akr@fsij.org>
* ext/pathname/pathname.c (Pathname#empty?): New method.
[ruby-core:76404] [Feature#12596] Proposed by John Backus.
Sat Nov 5 11:53:02 2016 Shugo Maeda <shugo@ruby-lang.org>
* test/ruby/test_refinement.rb (test_refine_alias_in_subclass):

3
NEWS
View file

@ -180,6 +180,9 @@ with all sufficient information, see the ChangeLog file or Redmine
* Add an into option. [Feature #11191]
* pathname
* New method: Pathname#empty? [Feature#12596]
* WEBrick
* Don't allow , as a separator [Bug #12791]

17
ext/pathname/pathname.c
View file

@ -990,6 +990,22 @@ path_zero_p(VALUE self)
return rb_funcall(rb_mFileTest, rb_intern("zero?"), 1, get_strpath(self));
}
/*
* Tests the file is empty.
*
* See Dir#empty? and FileTest.empty?.
*/
static VALUE
path_empty_p(VALUE self)
{
VALUE path = get_strpath(self);
if (RTEST(rb_funcall(rb_mFileTest, rb_intern("directory?"), 1, path)))
return rb_funcall(rb_cDir, rb_intern("empty?"), 1, path);
else
return rb_funcall(rb_mFileTest, rb_intern("empty?"), 1, path);
}
static VALUE
glob_i(RB_BLOCK_CALL_FUNC_ARGLIST(elt, klass))
{
@ -1452,6 +1468,7 @@ Init_pathname(void)
rb_define_method(rb_cPathname, "world_writable?", path_world_writable_p, 0);
rb_define_method(rb_cPathname, "writable_real?", path_writable_real_p, 0);
rb_define_method(rb_cPathname, "zero?", path_zero_p, 0);
rb_define_method(rb_cPathname, "empty?", path_empty_p, 0);
rb_define_singleton_method(rb_cPathname, "glob", path_s_glob, -1);
rb_define_singleton_method(rb_cPathname, "getwd", path_s_getwd, 0);
rb_define_singleton_method(rb_cPathname, "pwd", path_s_getwd, 0);

14
test/pathname/test_pathname.rb
View file

@ -1212,6 +1212,20 @@ class TestPathname < Test::Unit::TestCase
}
end
def test_empty?
with_tmpchdir('rubytest-pathname') {|dir|
open("nonemptyfile", "w") {|f| f.write "abc" }
open("emptyfile", "w") {|f| }
Dir.mkdir("nonemptydir")
open("nonemptydir/somefile", "w") {|f| }
Dir.mkdir("emptydir")
assert_equal(true, Pathname("emptyfile").empty?)
assert_equal(false, Pathname("nonemptyfile").empty?)
assert_equal(true, Pathname("emptydir").empty?)
assert_equal(false, Pathname("nonemptydir").empty?)
}
end
def test_s_glob
with_tmpchdir('rubytest-pathname') {|dir|
open("f", "w") {|f| f.write "abc" }