process.c: open exception message

* process.c (rb_execarg_parent_start1): raise with the target path
  name when open() failed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51787 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 18 insertions, 0 deletions

diff --git a/test/ruby/test_process.rb b/test/ruby/test_process.rb
index cd649053c0..6828c50bf1 100644
--- a/test/ruby/test_process.rb
+++ b/test/ruby/test_process.rb
@@ -424,6 +424,24 @@ class TestProcess < Test::Unit::TestCase
     }
   end
 
+  def test_execopts_open_failure
+    with_tmpchdir {|d|
+      assert_raise_with_message(Errno::ENOENT, %r"d/notexist") {
+        Process.wait Process.spawn(*PWD, :in => "d/notexist")
+      }
+      assert_raise_with_message(Errno::ENOENT, %r"d/notexist") {
+        Process.wait Process.spawn(*PWD, :out => "d/notexist")
+      }
+      n = "d/\u{1F37A}"
+      assert_raise_with_message(Errno::ENOENT, /#{n}/) {
+        Process.wait Process.spawn(*PWD, :in => n)
+      }
+      assert_raise_with_message(Errno::ENOENT, /#{n}/) {
+        Process.wait Process.spawn(*PWD, :out => n)
+      }
+    }
+  end
+
   UMASK = [RUBY, '-e', 'printf "%04o\n", File.umask']
 
   def test_execopts_umask