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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "String.new" do
it "returns an instance of String" do
str = String.new
str.should be_kind_of(String)
end
it "returns a fully-formed String" do
str = String.new
str.size.should == 0
str << "more"
str.should == "more"
end
it "returns a new string given a string argument" do
str1 = "test"
str = String.new(str1)
str.should be_kind_of(String)
str.should == str
str << "more"
str.should == "testmore"
end
it "returns an instance of a subclass" do
a = StringSpecs::MyString.new("blah")
a.should be_kind_of(StringSpecs::MyString)
a.should == "blah"
end
it "is called on subclasses" do
s = StringSpecs::SubString.new
s.special.should == nil
s.should == ""
s = StringSpecs::SubString.new "subclass"
s.special.should == "subclass"
s.should == ""
end
it "raises TypeError on inconvertible object" do
lambda { String.new 5 }.should raise_error(TypeError)
lambda { String.new nil }.should raise_error(TypeError)
end
ruby_version_is "1.9" do
it "returns a binary String" do
String.new.encoding.should == Encoding::BINARY
end
end
end
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