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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative 'shared/strip'
describe "String#strip" do
it_behaves_like :string_strip, :strip
it "returns a new string with leading and trailing whitespace removed" do
" hello ".strip.should == "hello"
" hello world ".strip.should == "hello world"
"\tgoodbye\r\v\n".strip.should == "goodbye"
end
ruby_version_is '3.0' do
it "returns a copy of self without leading and trailing NULL bytes and whitespace" do
" \x00 goodbye \x00 ".strip.should == "goodbye"
end
end
end
describe "String#strip!" do
it "modifies self in place and returns self" do
a = " hello "
a.strip!.should equal(a)
a.should == "hello"
a = "\tgoodbye\r\v\n"
a.strip!
a.should == "goodbye"
end
it "returns nil if no modifications where made" do
a = "hello"
a.strip!.should == nil
a.should == "hello"
end
ruby_version_is '3.0' do
it "removes leading and trailing NULL bytes and whitespace" do
a = "\000 goodbye \000"
a.strip!
a.should == "goodbye"
end
end
it "raises a FrozenError on a frozen instance that is modified" do
-> { " hello ".freeze.strip! }.should raise_error(FrozenError)
end
# see #1552
it "raises a FrozenError on a frozen instance that would not be modified" do
-> {"hello".freeze.strip! }.should raise_error(FrozenError)
-> {"".freeze.strip! }.should raise_error(FrozenError)
end
end
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