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Diffstat (limited to 'spec/ruby/core/basicobject/basicobject_spec.rb')
-rw-r--r-- | spec/ruby/core/basicobject/basicobject_spec.rb | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/spec/ruby/core/basicobject/basicobject_spec.rb b/spec/ruby/core/basicobject/basicobject_spec.rb new file mode 100644 index 0000000000..f58c17a0c0 --- /dev/null +++ b/spec/ruby/core/basicobject/basicobject_spec.rb @@ -0,0 +1,87 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/common', __FILE__) + +describe "BasicObject" do + it "raises NoMethodError for nonexistent methods after #method_missing is removed" do + script = fixture __FILE__, "remove_method_missing.rb" + ruby_exe(script).chomp.should == "NoMethodError" + end + + it "raises NameError when referencing built-in constants" do + lambda { class BasicObjectSpecs::BOSubclass; Kernel; end }.should raise_error(NameError) + end + + it "does not define built-in constants (according to const_defined?)" do + BasicObject.const_defined?(:Kernel).should be_false + end + + it "does not define built-in constants (according to defined?)" do + BasicObjectSpecs::BOSubclass.kernel_defined?.should be_nil + end + + it "includes itself in its list of constants" do + BasicObject.constants.should include(:BasicObject) + end +end + +describe "BasicObject metaclass" do + before :each do + @meta = class << BasicObject; self; end + end + + it "is an instance of Class" do + @meta.should be_an_instance_of(Class) + end + + it "has Class as superclass" do + @meta.superclass.should equal(Class) + end + + it "contains methods for the BasicObject class" do + @meta.class_eval do + def rubyspec_test_method() :test end + end + + BasicObject.rubyspec_test_method.should == :test + end +end + +describe "BasicObject instance metaclass" do + before :each do + @object = BasicObject.new + @meta = class << @object; self; end + end + + it "is an instance of Class" do + @meta.should be_an_instance_of(Class) + end + + it "has BasicObject as superclass" do + @meta.superclass.should equal(BasicObject) + end + + it "contains methods defined for the BasicObject instance" do + @meta.class_eval do + def test_method() :test end + end + + @object.test_method.should == :test + end +end + +describe "BasicObject subclass" do + it "contains Kernel methods when including Kernel" do + obj = BasicObjectSpecs::BOSubclass.new + + obj.instance_variable_set(:@test, :value) + obj.instance_variable_get(:@test).should == :value + + obj.respond_to?(:hash).should == true + end + + describe "BasicObject references" do + it "can refer to BasicObject from within itself" do + lambda { BasicObject::BasicObject }.should_not raise_error + end + end +end |