From 1d15d5f08032acf1b7bceacbb450d617ff6e0931 Mon Sep 17 00:00:00 2001
From: eregon <eregon@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 20 Sep 2017 20:18:52 +0000
Subject: Move spec/rubyspec to spec/ruby for consistency

* 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
---
 spec/ruby/optional/capi/mutex_spec.rb | 88 +++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 spec/ruby/optional/capi/mutex_spec.rb

(limited to 'spec/ruby/optional/capi/mutex_spec.rb')

diff --git a/spec/ruby/optional/capi/mutex_spec.rb b/spec/ruby/optional/capi/mutex_spec.rb
new file mode 100644
index 0000000000..c435d09eff
--- /dev/null
+++ b/spec/ruby/optional/capi/mutex_spec.rb
@@ -0,0 +1,88 @@
+require File.expand_path('../spec_helper', __FILE__)
+
+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
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