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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative 'shared/concat'
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
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