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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Kernel#taint" do
it "returns self" do
o = Object.new
o.taint.should equal(o)
end
it "sets the tainted bit" do
o = Object.new
o.taint
o.tainted?.should == true
end
it "raises RuntimeError on an untainted, frozen object" do
o = Object.new.freeze
lambda { o.taint }.should raise_error(RuntimeError)
end
it "does not raise an error on a tainted, frozen object" do
o = Object.new.taint.freeze
o.taint.should equal(o)
end
it "has no effect on immediate values" do
[nil, true, false].each do |v|
v.taint
v.tainted?.should == false
end
end
it "no raises a RuntimeError on symbols" do
v = :sym
lambda { v.taint }.should_not raise_error(RuntimeError)
v.tainted?.should == false
end
it "no raises error on fixnum values" do
[1].each do |v|
lambda { v.taint }.should_not raise_error(RuntimeError)
v.tainted?.should == false
end
end
end
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