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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes.rb', __FILE__)
describe "String#*" do
it "returns a new string containing count copies of self" do
("cool" * 0).should == ""
("cool" * 1).should == "cool"
("cool" * 3).should == "coolcoolcool"
end
it "tries to convert the given argument to an integer using to_int" do
("cool" * 3.1).should == "coolcoolcool"
("a" * 3.999).should == "aaa"
a = mock('4')
a.should_receive(:to_int).and_return(4)
("a" * a).should == "aaaa"
end
it "raises an ArgumentError when given integer is negative" do
lambda { "cool" * -3 }.should raise_error(ArgumentError)
lambda { "cool" * -3.14 }.should raise_error(ArgumentError)
end
it "raises a RangeError when given integer is a Bignum" do
lambda { "cool" * 999999999999999999999 }.should raise_error(RangeError)
end
it "returns subclass instances" do
(StringSpecs::MyString.new("cool") * 0).should be_kind_of(StringSpecs::MyString)
(StringSpecs::MyString.new("cool") * 1).should be_kind_of(StringSpecs::MyString)
(StringSpecs::MyString.new("cool") * 2).should be_kind_of(StringSpecs::MyString)
end
it "always taints the result when self is tainted" do
["", "OK", StringSpecs::MyString.new(""), StringSpecs::MyString.new("OK")].each do |str|
str.taint
[0, 1, 2].each do |arg|
(str * arg).tainted?.should == true
end
end
end
with_feature :encoding do
it "returns a String in the same encoding as self" do
str = "\xE3\x81\x82".force_encoding Encoding::UTF_8
result = str * 2
result.encoding.should equal(Encoding::UTF_8)
end
end
end
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