diff options
Diffstat (limited to 'test/ruby/test_syntax.rb')
-rw-r--r-- | test/ruby/test_syntax.rb | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb index af795440c5..fd5b14d6c3 100644 --- a/test/ruby/test_syntax.rb +++ b/test/ruby/test_syntax.rb @@ -128,6 +128,29 @@ class TestSyntax < Test::Unit::TestCase assert_not_label(:foo, 'class Foo < not_label:foo; end', bug6347) end + def test_duplicated_when + w = 'warning: duplicated when clause is ignored' + assert_warn(/3: #{w}.+4: #{w}.+4: #{w}.+5: #{w}.+5: #{w}/m){ + eval %q{ + case 1 + when 1, 1 + when 1, 1 + when 1, 1 + end + } + } + assert_warn(/#{w}/){#/3: #{w}.+4: #{w}.+5: #{w}.+5: #{w}/m){ + a = 1 + eval %q{ + case 1 + when 1, 1 + when 1, a + when 1, 1 + end + } + } + end + private def not_label(x) @result = x; @not_label ||= nil end |