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Diffstat (limited to 'spec/ruby/core/string/concat_spec.rb')
-rw-r--r-- | spec/ruby/core/string/concat_spec.rb | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/spec/ruby/core/string/concat_spec.rb b/spec/ruby/core/string/concat_spec.rb new file mode 100644 index 0000000000..939be5ed0a --- /dev/null +++ b/spec/ruby/core/string/concat_spec.rb @@ -0,0 +1,28 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) +require File.expand_path('../shared/concat', __FILE__) + +describe "String#concat" do + it_behaves_like :string_concat, :concat + it_behaves_like :string_concat_encoding, :concat + + ruby_version_is "2.4" do + it "takes multiple arguments" do + str = "hello " + str.concat "wo", "", "rld" + str.should == "hello world" + end + + it "concatenates the initial value when given arguments contain 2 self" do + str = "hello" + str.concat str, str + str.should == "hellohellohello" + end + + it "returns self when given no arguments" do + str = "hello" + str.concat.should equal(str) + str.should == "hello" + end + end +end |