89 lines
2.2 KiB
Ruby
89 lines
2.2 KiB
Ruby
require_relative 'spec_helper'
|
|
|
|
load_extension("mutex")
|
|
|
|
describe "C-API Mutex functions" do
|
|
before :each do
|
|
@s = CApiMutexSpecs.new
|
|
@m = Mutex.new
|
|
end
|
|
|
|
describe "rb_mutex_new" do
|
|
it "creates a new mutex" do
|
|
@s.rb_mutex_new.should be_an_instance_of(Mutex)
|
|
end
|
|
end
|
|
|
|
describe "rb_mutex_locked_p" do
|
|
it "returns false if the mutex is not locked" do
|
|
@s.rb_mutex_locked_p(@m).should be_false
|
|
end
|
|
|
|
it "returns true if the mutex is locked" do
|
|
@m.lock
|
|
@s.rb_mutex_locked_p(@m).should be_true
|
|
end
|
|
end
|
|
|
|
describe "rb_mutex_trylock" do
|
|
it "locks the mutex if not locked" do
|
|
@s.rb_mutex_trylock(@m).should be_true
|
|
@m.locked?.should be_true
|
|
end
|
|
|
|
it "returns false if the mutex is already locked" do
|
|
@m.lock
|
|
@s.rb_mutex_trylock(@m).should be_false
|
|
@m.locked?.should be_true
|
|
end
|
|
end
|
|
|
|
describe "rb_mutex_lock" do
|
|
it "returns when the mutex isn't locked" do
|
|
@s.rb_mutex_lock(@m).should == @m
|
|
@m.locked?.should be_true
|
|
end
|
|
|
|
it "throws an exception when already locked in the same thread" do
|
|
@m.lock
|
|
lambda { @s.rb_mutex_lock(@m) }.should raise_error(ThreadError)
|
|
@m.locked?.should be_true
|
|
end
|
|
end
|
|
|
|
describe "rb_mutex_unlock" do
|
|
it "raises an exception when not locked" do
|
|
lambda { @s.rb_mutex_unlock(@m) }.should raise_error(ThreadError)
|
|
@m.locked?.should be_false
|
|
end
|
|
|
|
it "unlocks the mutex when locked" do
|
|
@m.lock
|
|
@s.rb_mutex_unlock(@m).should == @m
|
|
@m.locked?.should be_false
|
|
end
|
|
end
|
|
|
|
describe "rb_mutex_sleep" do
|
|
it "throws an exception when the mutex is not locked" do
|
|
lambda { @s.rb_mutex_sleep(@m, 0.1) }.should raise_error(ThreadError)
|
|
@m.locked?.should be_false
|
|
end
|
|
|
|
it "sleeps when the mutex is locked" do
|
|
@m.lock
|
|
start = Time.now
|
|
@s.rb_mutex_sleep(@m, 0.1)
|
|
(Time.now - start).should be_close(0.1, 0.2)
|
|
@m.locked?.should be_true
|
|
end
|
|
end
|
|
|
|
describe "rb_mutex_synchronize" do
|
|
it "calls the function while the mutex is locked" do
|
|
callback = lambda { @m.locked?.should be_true }
|
|
@s.rb_mutex_synchronize(@m, callback)
|
|
end
|
|
end
|
|
end
|