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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "Thread#[]" do
it "gives access to thread local values" do
th = Thread.new do
Thread.current[:value] = 5
end
th.join
th[:value].should == 5
Thread.current[:value].should == nil
end
it "is not shared across threads" do
t1 = Thread.new do
Thread.current[:value] = 1
end
t2 = Thread.new do
Thread.current[:value] = 2
end
[t1,t2].each {|x| x.join}
t1[:value].should == 1
t2[:value].should == 2
end
it "is accessible using strings or symbols" do
t1 = Thread.new do
Thread.current[:value] = 1
end
t2 = Thread.new do
Thread.current["value"] = 2
end
[t1,t2].each {|x| x.join}
t1[:value].should == 1
t1["value"].should == 1
t2[:value].should == 2
t2["value"].should == 2
end
it "converts a key that is neither String nor Symbol with #to_str" do
key = mock('value')
key.should_receive(:to_str).and_return('value')
th = Thread.new do
Thread.current[:value] = 1
end.join
th[key].should == 1
end
it "raises exceptions on the wrong type of keys" do
-> { Thread.current[nil] }.should raise_error(TypeError)
-> { Thread.current[5] }.should raise_error(TypeError)
end
end
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