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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "Thread#[]=" do
after :each do
Thread.current[:value] = nil
end
it "raises a FrozenError if the thread is frozen" do
Thread.new do
th = Thread.current
th.freeze
-> {
th[:foo] = "bar"
}.should raise_error(FrozenError, "can't modify frozen thread locals")
end.join
end
it "accepts Strings and Symbols" do
t1 = Thread.new do
Thread.current[:value] = 1
end.join
t2 = Thread.new do
Thread.current["value"] = 2
end.join
t1[:value].should == 1
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[key] = 1
end.join
th[:value].should == 1
end
it "raises exceptions on the wrong type of keys" do
-> { Thread.current[nil] = true }.should raise_error(TypeError)
-> { Thread.current[5] = true }.should raise_error(TypeError)
end
it "is not shared across fibers" do
fib = Fiber.new do
Thread.current[:value] = 1
Fiber.yield
Thread.current[:value].should == 1
end
fib.resume
Thread.current[:value].should be_nil
Thread.current[:value] = 2
fib.resume
Thread.current[:value] = 2
end
it "stores a local in another thread when in a fiber" do
fib = Fiber.new do
t = Thread.new do
sleep
Thread.current[:value].should == 1
end
Thread.pass while t.status and t.status != "sleep"
t[:value] = 1
t.wakeup
t.join
end
fib.resume
end
end
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