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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes.rb', __FILE__)
describe "String#rpartition with String" do
it "returns an array of substrings based on splitting on the given string" do
"hello world".rpartition("o").should == ["hello w", "o", "rld"]
end
it "always returns 3 elements" do
"hello".rpartition("x").should == ["", "", "hello"]
"hello".rpartition("hello").should == ["", "hello", ""]
end
it "accepts regexp" do
"hello!".rpartition(/l./).should == ["hel", "lo", "!"]
end
it "affects $~" do
matched_string = "hello!".rpartition(/l./)[1]
matched_string.should == $~[0]
end
it "converts its argument using :to_str" do
find = mock('l')
find.should_receive(:to_str).and_return("l")
"hello".rpartition(find).should == ["hel","l","o"]
end
it "raises an error if not convertible to string" do
lambda{ "hello".rpartition(5) }.should raise_error(TypeError)
lambda{ "hello".rpartition(nil) }.should raise_error(TypeError)
end
end
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