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

1 files changed, 112 insertions, 0 deletions

diff --git a/spec/ruby/optional/capi/proc_spec.rb b/spec/ruby/optional/capi/proc_spec.rb
new file mode 100644
index 0000000000..1cd8de9a86
--- /dev/null
+++ b/spec/ruby/optional/capi/proc_spec.rb
@@ -0,0 +1,112 @@
+require File.expand_path('../spec_helper', __FILE__)
+require File.expand_path('../fixtures/proc', __FILE__)
+
+load_extension("proc")
+
+describe "C-API Proc function" do
+  before :each do
+    @p = CApiProcSpecs.new
+    @prc = @p.rb_proc_new
+  end
+
+  describe "rb_proc_new" do
+    it "returns a new valid Proc" do
+      @prc.kind_of?(Proc).should == true
+    end
+
+    it "calls the C function wrapped by the Proc instance when sent #call" do
+      @prc.call(:foo_bar).should == ":foo_bar"
+      @prc.call([:foo, :bar]).should == "[:foo, :bar]"
+    end
+
+    it "calls the C function wrapped by the Proc instance when sent #[]" do
+      @prc[:foo_bar].should == ":foo_bar"
+      @prc[[:foo, :bar]].should == "[:foo, :bar]"
+    end
+
+    it "returns a Proc instance correctly described in #inspect without source location" do
+      @prc.inspect.should =~ /^#<Proc:([^ :@]*?)>$/
+    end
+
+    it "returns a Proc instance with #arity == -1" do
+      @prc.arity.should == -1
+    end
+
+    it "shouldn't be equal to another one" do
+      @prc.should_not == @p.rb_proc_new
+    end
+
+    it "returns a Proc instance with #source_location == nil" do
+      @prc.source_location.should == nil
+    end
+  end
+
+  describe "rb_proc_arity" do
+    it "returns the correct arity" do
+      prc = Proc.new {|a,b,c|}
+      @p.rb_proc_arity(prc).should == 3
+    end
+  end
+
+  describe "rb_proc_call" do
+    it "calls the Proc" do
+      prc = Proc.new {|a,b| a * b }
+      @p.rb_proc_call(prc, [6, 7]).should == 42
+    end
+  end
+end
+
+describe "C-API when calling Proc.new from a C function" do
+  before :each do
+    @p = CApiProcSpecs.new
+  end
+
+  # In the scenarios below: X -> Y means execution context X called to Y.
+  # For example: Ruby -> C means a Ruby code called a C function.
+  #
+  # X -> Y <- X -> Z means exection context X called Y which returned to X,
+  # then X called Z.
+  # For example: C -> Ruby <- C -> Ruby means a C function called into Ruby
+  # code which returned to C, then C called into Ruby code again.
+
+  #   Ruby -> C -> rb_funcall(Proc.new)
+  it "returns the Proc passed by the Ruby code calling the C function" do
+    prc = @p.rb_Proc_new(0) { :called }
+    prc.call.should == :called
+  end
+
+  #   Ruby -> C -> Ruby <- C -> rb_funcall(Proc.new)
+  it "returns the Proc passed to the Ruby method when the C function calls other Ruby methods before calling Proc.new" do
+    prc = @p.rb_Proc_new(1) { :called }
+    prc.call.should == :called
+  end
+
+  # Ruby -> C -> Ruby -> Proc.new
+  it "raises an ArgumentError when the C function calls a Ruby method that calls Proc.new" do
+    def @p.Proc_new() Proc.new end
+    lambda { @p.rb_Proc_new(2) { :called } }.should raise_error(ArgumentError)
+  end
+
+  # Ruby -> C -> Ruby -> C -> rb_funcall(Proc.new)
+  it "raises an ArgumentError when the C function calls a Ruby method and that method calls a C function that calls Proc.new" do
+    def @p.redispatch() rb_Proc_new(0) end
+    lambda { @p.rb_Proc_new(3) { :called } }.should raise_error(ArgumentError)
+  end
+
+  # Ruby -> C -> Ruby -> C (with new block) -> rb_funcall(Proc.new)
+  it "returns the most recent Proc passed when the Ruby method called the C function" do
+    prc = @p.rb_Proc_new(4) { :called }
+    prc.call.should == :calling_with_block
+  end
+
+  # Ruby -> C -> Ruby -> C (with new block) <- Ruby <- C -> # rb_funcall(Proc.new)
+  it "returns the Proc passed from the original Ruby call to the C function" do
+    prc = @p.rb_Proc_new(5) { :called }
+    prc.call.should == :called
+  end
+
+  # Ruby -> C -> Ruby -> block_given?
+  it "returns false from block_given? in a Ruby method called by the C function" do
+    @p.rb_Proc_new(6).should be_false
+  end
+end