diff options
Diffstat (limited to 'spec/ruby/core/string/append_spec.rb')
| -rw-r--r-- | spec/ruby/core/string/append_spec.rb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/spec/ruby/core/string/append_spec.rb b/spec/ruby/core/string/append_spec.rb index 1e1667f617..8497ce8262 100644 --- a/spec/ruby/core/string/append_spec.rb +++ b/spec/ruby/core/string/append_spec.rb @@ -5,4 +5,10 @@ require_relative 'shared/concat' describe "String#<<" do it_behaves_like :string_concat, :<< it_behaves_like :string_concat_encoding, :<< + it_behaves_like :string_concat_type_coercion, :<< + + it "raises an ArgumentError when given the incorrect number of arguments" do + -> { "hello".send(:<<) }.should raise_error(ArgumentError) + -> { "hello".send(:<<, "one", "two") }.should raise_error(ArgumentError) + end end |