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require_relative '../../spec_helper'
describe "Thread#thread_variable?" do
before :each do
@t = Thread.new { }
end
after :each do
@t.join
end
it "returns false if the thread variables do not contain 'key'" do
@t.thread_variable_set(:a, 2)
@t.thread_variable?(:b).should be_false
end
it "returns true if the thread variables contain 'key'" do
@t.thread_variable_set(:a, 2)
@t.thread_variable?(:a).should be_true
end
it "accepts String and Symbol keys interchangeably" do
@t.thread_variable?('a').should be_false
@t.thread_variable?(:a).should be_false
@t.thread_variable_set(:a, 49)
@t.thread_variable?('a').should be_true
@t.thread_variable?(:a).should be_true
end
it "converts a key that is neither String nor Symbol with #to_str" do
key = mock('key')
key.should_receive(:to_str).and_return('a')
@t.thread_variable_set(:a, 49)
@t.thread_variable?(key).should be_true
end
it "does not raise FrozenError if the thread is frozen" do
@t.freeze
@t.thread_variable?(:a).should be_false
end
it "does not raise a TypeError if the key is neither Symbol nor String, nor responds to #to_str" do
@t.thread_variable?(123).should be_false
end
it "does not try to convert the key with #to_sym" do
key = mock('key')
key.should_not_receive(:to_sym)
@t.thread_variable?(key).should be_false
end
end
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