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* Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
88 lines
2.2 KiB
Ruby
88 lines
2.2 KiB
Ruby
require File.expand_path('../spec_helper', __FILE__)
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load_extension("mutex")
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describe "C-API Mutex functions" do
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before :each do
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@s = CApiMutexSpecs.new
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@m = Mutex.new
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end
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describe "rb_mutex_new" do
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it "creates a new mutex" do
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@s.rb_mutex_new.should be_an_instance_of(Mutex)
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end
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end
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describe "rb_mutex_locked_p" do
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it "returns false if the mutex is not locked" do
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@s.rb_mutex_locked_p(@m).should be_false
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end
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it "returns true if the mutex is locked" do
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@m.lock
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@s.rb_mutex_locked_p(@m).should be_true
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end
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end
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describe "rb_mutex_trylock" do
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it "locks the mutex if not locked" do
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@s.rb_mutex_trylock(@m).should be_true
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@m.locked?.should be_true
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end
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it "returns false if the mutex is already locked" do
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@m.lock
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@s.rb_mutex_trylock(@m).should be_false
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@m.locked?.should be_true
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end
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end
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describe "rb_mutex_lock" do
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it "returns when the mutex isn't locked" do
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@s.rb_mutex_lock(@m).should == @m
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@m.locked?.should be_true
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end
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it "throws an exception when already locked in the same thread" do
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@m.lock
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lambda { @s.rb_mutex_lock(@m) }.should raise_error(ThreadError)
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@m.locked?.should be_true
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end
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end
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describe "rb_mutex_unlock" do
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it "raises an exception when not locked" do
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lambda { @s.rb_mutex_unlock(@m) }.should raise_error(ThreadError)
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@m.locked?.should be_false
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end
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it "unlocks the mutex when locked" do
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@m.lock
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@s.rb_mutex_unlock(@m).should == @m
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@m.locked?.should be_false
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end
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end
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describe "rb_mutex_sleep" do
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it "throws an exception when the mutex is not locked" do
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lambda { @s.rb_mutex_sleep(@m, 0.1) }.should raise_error(ThreadError)
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@m.locked?.should be_false
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end
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it "sleeps when the mutex is locked" do
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@m.lock
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start = Time.now
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@s.rb_mutex_sleep(@m, 0.1)
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(Time.now - start).should be_close(0.1, 0.2)
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@m.locked?.should be_true
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end
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end
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describe "rb_mutex_synchronize" do
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it "calls the function while the mutex is locked" do
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callback = lambda { @m.locked?.should be_true }
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@s.rb_mutex_synchronize(@m, callback)
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end
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end
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end
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