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require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/fixtures/classes'
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/shared/join'
describe "Array#join" do
it_behaves_like :array_join, :join
it "does not separates elements when the passed separator is nil" do
[1, 2, 3].join(nil).should == '123'
end
it "uses $, as the default separator (which defaults to nil)" do
[1, 2, 3].join.should == '123'
begin
old, $, = $,, '-'
[1, 2, 3].join.should == '1-2-3'
ensure
$, = old
end
end
it "does not process the separator if the array is empty" do
a = []
sep = Object.new
a.join(sep).should == ""
end
it "calls #to_str to convert the separator to a String" do
sep = mock("separator")
sep.should_receive(:to_str).and_return(", ")
[1, 2].send(@method, sep).should == "1, 2"
end
it "raises a TypeError if the separator cannot be coerced to a String by calling #to_str" do
obj = mock("not a string")
lambda { [1, 2].send(@method, obj) }.should raise_error(TypeError)
end
end
Version data entries
83 entries across 83 versions & 1 rubygems