From a28aa80c739a1d169649a4da833ef48cfb3465b3 Mon Sep 17 00:00:00 2001 From: eregon Date: Thu, 28 Mar 2019 14:22:29 +0000 Subject: Update to ruby/spec@e81b3cd git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67361 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- spec/ruby/language/alias_spec.rb | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'spec/ruby/language/alias_spec.rb') diff --git a/spec/ruby/language/alias_spec.rb b/spec/ruby/language/alias_spec.rb index 306c2776b4..a7f34146d1 100644 --- a/spec/ruby/language/alias_spec.rb +++ b/spec/ruby/language/alias_spec.rb @@ -244,3 +244,15 @@ describe "The alias keyword" do } end end + +describe "The alias keyword" do + it "can create a new global variable, synonym of the original" do + code = '$a = 1; alias $b $a; p [$a, $b]; $b = 2; p [$a, $b]' + ruby_exe(code).should == "[1, 1]\n[2, 2]\n" + end + + it "can override an existing global variable and make them synonyms" do + code = '$a = 1; $b = 2; alias $b $a; p [$a, $b]; $b = 3; p [$a, $b]' + ruby_exe(code).should == "[1, 1]\n[3, 3]\n" + end +end -- cgit v1.2.3