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Contents
# -*- encoding: utf-8 -*-
require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes.rb', __FILE__)
describe "String#swapcase" do
it "returns a new string with all uppercase chars from self converted to lowercase and vice versa" do
"Hello".swapcase.should == "hELLO"
"cYbEr_PuNk11".swapcase.should == "CyBeR_pUnK11"
"+++---111222???".swapcase.should == "+++---111222???"
end
it "taints resulting string when self is tainted" do
"".taint.swapcase.tainted?.should == true
"hello".taint.swapcase.tainted?.should == true
end
it "is locale insensitive (only upcases a-z and only downcases A-Z)" do
"ÄÖÜ".swapcase.should == "ÄÖÜ"
"ärger".swapcase.should == "äRGER"
"BÄR".swapcase.should == "bÄr"
end
it "returns subclass instances when called on a subclass" do
StringSpecs::MyString.new("").swapcase.should be_kind_of(StringSpecs::MyString)
StringSpecs::MyString.new("hello").swapcase.should be_kind_of(StringSpecs::MyString)
end
end
describe "String#swapcase!" do
it "modifies self in place" do
a = "cYbEr_PuNk11"
a.swapcase!.should equal(a)
a.should == "CyBeR_pUnK11"
end
it "returns nil if no modifications were made" do
a = "+++---111222???"
a.swapcase!.should == nil
a.should == "+++---111222???"
"".swapcase!.should == nil
end
ruby_version_is ""..."1.9" do
it "raises a TypeError when self is frozen" do
["", "hello"].each do |a|
a.freeze
lambda { a.swapcase! }.should raise_error(TypeError)
end
end
end
ruby_version_is "1.9" do
it "raises a RuntimeError when self is frozen" do
["", "hello"].each do |a|
a.freeze
lambda { a.swapcase! }.should raise_error(RuntimeError)
end
end
end
end
Version data entries
52 entries across 52 versions & 2 rubygems