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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative 'shared/partition'
describe "String#rpartition with String" do
it_behaves_like :string_partition, :rpartition
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 "returns original string if regexp doesn't match" do
"hello".rpartition("/x/").should == ["", "", "hello"]
end
it "returns new object if doesn't match" do
str = "hello"
str.rpartition("/no_match/").last.should_not.equal?(str)
end
it "handles multibyte string correctly" do
"ユーザ@ドメイン".rpartition(/@/).should == ["ユーザ", "@", "ドメイン"]
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
->{ "hello".rpartition(5) }.should raise_error(TypeError)
->{ "hello".rpartition(nil) }.should raise_error(TypeError)
end
it "handles a pattern in a superset encoding" do
string = "hello".dup.force_encoding(Encoding::US_ASCII)
result = string.rpartition("é")
result.should == ["", "", "hello"]
result[0].encoding.should == Encoding::US_ASCII
result[1].encoding.should == Encoding::US_ASCII
result[2].encoding.should == Encoding::US_ASCII
end
it "handles a pattern in a subset encoding" do
pattern = "o".dup.force_encoding(Encoding::US_ASCII)
result = "héllo world".rpartition(pattern)
result.should == ["héllo w", "o", "rld"]
result[0].encoding.should == Encoding::UTF_8
result[1].encoding.should == Encoding::US_ASCII
result[2].encoding.should == Encoding::UTF_8
end
end
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