diff options
Diffstat (limited to 'test/ruby/test_syntax.rb')
| -rw-r--r-- | test/ruby/test_syntax.rb | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/test/ruby/test_syntax.rb b/test/ruby/test_syntax.rb index e868967e8b..70e1956816 100644 --- a/test/ruby/test_syntax.rb +++ b/test/ruby/test_syntax.rb @@ -202,6 +202,49 @@ class TestSyntax < Test::Unit::TestCase assert_syntax_error("def f(...); g(&); end", /no anonymous block parameter/) end + def test_no_block_argument_in_method + assert_valid_syntax("def f(&nil) end") + assert_valid_syntax("def f(a, &nil) end") + assert_valid_syntax("def f(*rest, &nil) end") + assert_valid_syntax("def f(*rest, p, &nil) end") + assert_valid_syntax("def f(a, *rest, &nil) end") + assert_valid_syntax("def f(a, *rest, p, &nil) end") + assert_valid_syntax("def f(a, k: nil, &nil) end") + assert_valid_syntax("def f(a, k: nil, **kw, &nil) end") + assert_valid_syntax("def f(a, *rest, k: nil, &nil) end") + assert_valid_syntax("def f(a, *rest, k: nil, **kw, &nil) end") + assert_valid_syntax("def f(a, *rest, p, k: nil, &nil) end") + assert_valid_syntax("def f(a, *rest, p, k: nil, **kw, &nil) end") + + obj = Object.new + obj.instance_eval "def f(&nil) end" + assert_raise_with_message(ArgumentError, /block accepted/) {obj.f {}} + assert_raise_with_message(ArgumentError, /block accepted/) {obj.f(&proc {})} + end + + def test_no_block_argument_in_block + assert_valid_syntax("proc do |&nil| end") + assert_valid_syntax("proc do |a, &nil| end") + assert_valid_syntax("proc do |*rest, &nil| end") + assert_valid_syntax("proc do |*rest, p, &nil| end") + assert_valid_syntax("proc do |a, *rest, &nil| end") + assert_valid_syntax("proc do |a, *rest, p, &nil| end") + assert_valid_syntax("proc do |a, k: nil, &nil| end") + assert_valid_syntax("proc do |a, k: nil, **kw, &nil| end") + assert_valid_syntax("proc do |a, *rest, k: nil, &nil| end") + assert_valid_syntax("proc do |a, *rest, k: nil, **kw, &nil| end") + assert_valid_syntax("proc do |a, *rest, p, k: nil, &nil| end") + assert_valid_syntax("proc do |a, *rest, p, k: nil, **kw, &nil| end") + + pr = eval "proc {|&nil|}" + assert_nil(pr.call) + assert_raise_with_message(ArgumentError, /block accepted/) {pr.call {}} + pr = eval "proc {|a, &nil| a}" + assert_nil(pr.call) + assert_equal(1, pr.call(1)) + assert_raise_with_message(ArgumentError, /block accepted/) {pr.call {}} + end + def test_newline_in_block_parameters bug = '[ruby-dev:45292]' ["", "a", "a, b"].product(["", ";x", [";", "x"]]) do |params| |