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91 lines
2.3 KiB
Ruby
91 lines
2.3 KiB
Ruby
require_relative '../../spec_helper'
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require_relative 'fixtures/common'
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describe "BasicObject" do
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it "raises NoMethodError for nonexistent methods after #method_missing is removed" do
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script = fixture __FILE__, "remove_method_missing.rb"
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ruby_exe(script).chomp.should == "NoMethodError"
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end
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it "raises NameError when referencing built-in constants" do
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-> { class BasicObjectSpecs::BOSubclass; Kernel; end }.should raise_error(NameError)
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end
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it "does not define built-in constants (according to const_defined?)" do
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BasicObject.const_defined?(:Kernel).should be_false
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end
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it "does not define built-in constants (according to defined?)" do
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BasicObjectSpecs::BOSubclass.kernel_defined?.should be_nil
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end
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it "is included in Object's list of constants" do
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Object.constants(false).should include(:BasicObject)
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end
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it "includes itself in its list of constants" do
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BasicObject.constants(false).should include(:BasicObject)
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end
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end
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describe "BasicObject metaclass" do
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before :each do
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@meta = class << BasicObject; self; end
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end
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it "is an instance of Class" do
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@meta.should be_an_instance_of(Class)
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end
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it "has Class as superclass" do
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@meta.superclass.should equal(Class)
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end
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it "contains methods for the BasicObject class" do
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@meta.class_eval do
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def rubyspec_test_method() :test end
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end
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BasicObject.rubyspec_test_method.should == :test
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end
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end
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describe "BasicObject instance metaclass" do
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before :each do
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@object = BasicObject.new
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@meta = class << @object; self; end
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end
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it "is an instance of Class" do
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@meta.should be_an_instance_of(Class)
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end
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it "has BasicObject as superclass" do
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@meta.superclass.should equal(BasicObject)
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end
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it "contains methods defined for the BasicObject instance" do
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@meta.class_eval do
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def test_method() :test end
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end
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@object.test_method.should == :test
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end
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end
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describe "BasicObject subclass" do
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it "contains Kernel methods when including Kernel" do
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obj = BasicObjectSpecs::BOSubclass.new
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obj.instance_variable_set(:@test, :value)
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obj.instance_variable_get(:@test).should == :value
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obj.respond_to?(:hash).should == true
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end
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describe "BasicObject references" do
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it "can refer to BasicObject from within itself" do
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-> { BasicObject::BasicObject }.should_not raise_error
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end
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end
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end
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