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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes.rb', __FILE__)
describe "String#partition with String" do
it "returns an array of substrings based on splitting on the given string" do
"hello world".partition("o").should == ["hell", "o", " world"]
end
it "always returns 3 elements" do
"hello".partition("x").should == ["hello", "", ""]
"hello".partition("hello").should == ["", "hello", ""]
end
it "accepts regexp" do
"hello!".partition(/l./).should == ["he", "ll", "o!"]
end
it "sets global vars if regexp used" do
"hello!".partition(/(.l)(.o)/)
$1.should == "el"
$2.should == "lo"
end
it "converts its argument using :to_str" do
find = mock('l')
find.should_receive(:to_str).and_return("l")
"hello".partition(find).should == ["he","l","lo"]
end
it "raises an error if not convertible to string" do
lambda{ "hello".partition(5) }.should raise_error(TypeError)
lambda{ "hello".partition(nil) }.should raise_error(TypeError)
end
it "takes precedence over a given block" do
"hello world".partition("o") { true }.should == ["hell", "o", " world"]
end
end
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