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/core/kernel/autoload_spec.rb

@@ -0,0 +1,121 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+# These specs only illustrate the basic autoload cases
+# and where toplevel autoload behaves differently from
+# Module#autoload. See those specs for more examples.
+
+autoload :KSAutoloadA, "autoload_a.rb"
+autoload :KSAutoloadB, fixture(__FILE__, "autoload_b.rb")
+autoload :KSAutoloadC, fixture(__FILE__, "autoload_c.rb")
+
+def check_autoload(const)
+  autoload? const
+end
+
+describe "Kernel#autoload" do
+  before :each do
+    @loaded_features = $".dup
+  end
+
+  after :each do
+    $".replace @loaded_features
+  end
+
+  it "is a private method" do
+    Kernel.should have_private_instance_method(:autoload)
+  end
+
+  it "registers a file to load the first time the named constant is accessed" do
+    Object.autoload?(:KSAutoloadA).should == "autoload_a.rb"
+  end
+
+  it "registers a file to load the first time the named constant is accessed" do
+    check_autoload(:KSAutoloadA).should == "autoload_a.rb"
+  end
+
+  it "sets the autoload constant in Object's constant table" do
+    Object.should have_constant(:KSAutoloadA)
+  end
+
+  it "loads the file when the constant is accessed" do
+    KSAutoloadB.loaded.should == :ksautoload_b
+  end
+
+  it "does not call Kernel.require or Kernel.load to load the file" do
+    Kernel.should_not_receive(:require)
+    Kernel.should_not_receive(:load)
+    KSAutoloadC.loaded.should == :ksautoload_c
+  end
+
+  it "can autoload in instance_eval" do
+    Object.new.instance_eval do
+      autoload :KSAutoloadD, fixture(__FILE__, "autoload_d.rb")
+      KSAutoloadD.loaded.should == :ksautoload_d
+    end
+  end
+
+  describe "when Object is frozen" do
+    it "raises a RuntimeError before defining the constant" do
+      ruby_exe(fixture(__FILE__, "autoload_frozen.rb")).should == "RuntimeError - nil"
+    end
+  end
+end
+
+describe "Kernel#autoload?" do
+  it "is a private method" do
+    Kernel.should have_private_instance_method(:autoload?)
+  end
+
+  it "returns the name of the file that will be autoloaded" do
+    check_autoload(:KSAutoloadA).should == "autoload_a.rb"
+  end
+
+  it "returns nil if no file has been registered for a constant" do
+    check_autoload(:Manualload).should be_nil
+  end
+end
+
+Kernel.autoload :KSAutoloadBB, "no_autoload.rb"
+
+describe "Kernel.autoload" do
+  before :all do
+    @non_existent = fixture __FILE__, "no_autoload.rb"
+  end
+
+  before :each do
+    @loaded_features = $".dup
+
+    ScratchPad.clear
+  end
+
+  after :each do
+    $".replace @loaded_features
+  end
+
+  it "registers a file to load the first time the toplevel constant is accessed" do
+    Kernel.autoload :KSAutoloadAA, @non_existent
+    Kernel.autoload?(:KSAutoloadAA).should == @non_existent
+  end
+
+  it "sets the autoload constant in Object's constant table" do
+    Object.should have_constant(:KSAutoloadBB)
+  end
+
+  it "calls #to_path on non-String filenames" do
+    p = mock('path')
+    p.should_receive(:to_path).and_return @non_existent
+    Kernel.autoload :KSAutoloadAA, p
+  end
+end
+
+describe "Kernel.autoload?" do
+  it "returns the name of the file that will be autoloaded" do
+    Kernel.autoload :KSAutoload, "autoload.rb"
+    Kernel.autoload?(:KSAutoload).should == "autoload.rb"
+  end
+
+  it "returns nil if no file has been registered for a constant" do
+    Kernel.autoload?(:Manualload).should be_nil
+  end
+end