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2c8dd794e9
achieve over 90% test coverage of dln.c. * test/ruby/test_class.rb: add tests to achieve over 90% test coverage of class.c. * test/ruby/test_module.rb: ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16510 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
712 lines
17 KiB
Ruby
712 lines
17 KiB
Ruby
require 'test/unit'
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require 'pp'
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require_relative 'envutil'
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$m0 = Module.nesting
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class TestModule < Test::Unit::TestCase
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def assert_method_defined?(klass, mid, message="")
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message = build_message(message, "#{klass}\##{mid} expected to be defined.")
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_wrap_assertion do
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klass.method_defined?(mid) or
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raise Test::Unit::AssertionFailedError, message, caller(3)
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end
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end
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def assert_method_not_defined?(klass, mid, message="")
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message = build_message(message, "#{klass}\##{mid} expected to not be defined.")
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_wrap_assertion do
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klass.method_defined?(mid) and
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raise Test::Unit::AssertionFailedError, message, caller(3)
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end
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end
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def setup
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@verbose = $VERBOSE
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$VERBOSE = nil
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end
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def teardown
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$VERBOSE = @verbose
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end
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def ruby(*r, &b)
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EnvUtil.rubyexec(*r, &b)
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end
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def test_LT_0
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assert_equal true, String < Object
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assert_equal false, Object < String
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assert_nil String < Array
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assert_equal true, Array < Enumerable
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assert_equal false, Enumerable < Array
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assert_nil Proc < Comparable
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assert_nil Comparable < Proc
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end
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def test_GT_0
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assert_equal false, String > Object
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assert_equal true, Object > String
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assert_nil String > Array
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assert_equal false, Array > Enumerable
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assert_equal true, Enumerable > Array
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assert_nil Comparable > Proc
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assert_nil Proc > Comparable
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end
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def test_CMP_0
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assert_equal -1, (String <=> Object)
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assert_equal 1, (Object <=> String)
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assert_nil(Array <=> String)
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end
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ExpectedException = NoMethodError
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# Support stuff
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def remove_pp_mixins(list)
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list.reject {|c| c == PP::ObjectMixin }
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end
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module Mixin
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MIXIN = 1
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def mixin
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end
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end
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module User
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USER = 2
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include Mixin
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def user
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end
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end
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module Other
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def other
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end
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end
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class AClass
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def AClass.cm1
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"cm1"
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end
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def AClass.cm2
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cm1 + "cm2" + cm3
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end
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def AClass.cm3
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"cm3"
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end
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private_class_method :cm1, "cm3"
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def aClass
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end
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def aClass1
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end
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def aClass2
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end
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private :aClass1
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protected :aClass2
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end
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class BClass < AClass
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def bClass1
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end
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private
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def bClass2
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end
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protected
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def bClass3
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end
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end
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MyClass = AClass.clone
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class MyClass
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public_class_method :cm1
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end
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# -----------------------------------------------------------
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def test_CMP # '<=>'
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assert_equal( 0, Mixin <=> Mixin)
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assert_equal(-1, User <=> Mixin)
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assert_equal( 1, Mixin <=> User)
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assert_equal( 0, Object <=> Object)
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assert_equal(-1, String <=> Object)
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assert_equal( 1, Object <=> String)
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end
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def test_GE # '>='
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assert(Mixin >= User)
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assert(Mixin >= Mixin)
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assert(!(User >= Mixin))
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assert(Object >= String)
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assert(String >= String)
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assert(!(String >= Object))
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end
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def test_GT # '>'
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assert(Mixin > User)
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assert(!(Mixin > Mixin))
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assert(!(User > Mixin))
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assert(Object > String)
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assert(!(String > String))
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assert(!(String > Object))
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end
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def test_LE # '<='
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assert(User <= Mixin)
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assert(Mixin <= Mixin)
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assert(!(Mixin <= User))
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assert(String <= Object)
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assert(String <= String)
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assert(!(Object <= String))
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end
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def test_LT # '<'
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assert(User < Mixin)
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assert(!(Mixin < Mixin))
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assert(!(Mixin < User))
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assert(String < Object)
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assert(!(String < String))
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assert(!(Object < String))
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end
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def test_VERY_EQUAL # '==='
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assert(Object === self)
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assert(Test::Unit::TestCase === self)
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assert(TestModule === self)
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assert(!(String === self))
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end
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def test_ancestors
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assert_equal([User, Mixin], User.ancestors)
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assert_equal([Mixin], Mixin.ancestors)
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assert_equal([Object, Kernel, BasicObject], remove_pp_mixins(Object.ancestors))
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assert_equal([String, Comparable, Object, Kernel, BasicObject],
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remove_pp_mixins(String.ancestors))
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end
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def test_class_eval
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Other.class_eval("CLASS_EVAL = 1")
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assert_equal(1, Other::CLASS_EVAL)
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assert(Other.constants.include?(:CLASS_EVAL))
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end
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def test_class_variable_set
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# TODO
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end
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def test_class_variable_get
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# TODO
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end
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def test_const_defined?
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assert(Math.const_defined?(:PI))
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assert(Math.const_defined?("PI"))
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assert(!Math.const_defined?(:IP))
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assert(!Math.const_defined?("IP"))
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end
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def test_const_get
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assert_equal(Math::PI, Math.const_get("PI"))
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assert_equal(Math::PI, Math.const_get(:PI))
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end
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def test_const_set
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assert(!Other.const_defined?(:KOALA))
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Other.const_set(:KOALA, 99)
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assert(Other.const_defined?(:KOALA))
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assert_equal(99, Other::KOALA)
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Other.const_set("WOMBAT", "Hi")
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assert_equal("Hi", Other::WOMBAT)
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end
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def test_constants
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assert_equal([:MIXIN], Mixin.constants)
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assert_equal([:MIXIN, :USER], User.constants.sort)
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end
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def test_included_modules
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assert_equal([], Mixin.included_modules)
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assert_equal([Mixin], User.included_modules)
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assert_equal([Kernel], remove_pp_mixins(Object.included_modules))
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assert_equal([Comparable, Kernel],
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remove_pp_mixins(String.included_modules))
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end
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def test_instance_methods
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assert_equal([:user], User.instance_methods(false))
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assert_equal([:user, :mixin].sort, User.instance_methods(true).sort)
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assert_equal([:mixin], Mixin.instance_methods)
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assert_equal([:mixin], Mixin.instance_methods(true))
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# Ruby 1.8 feature change:
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# #instance_methods includes protected methods.
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#assert_equal([:aClass], AClass.instance_methods(false))
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assert_equal([:aClass, :aClass2], AClass.instance_methods(false).sort)
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assert_equal([:aClass, :aClass2],
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(AClass.instance_methods(true) - Object.instance_methods(true)).sort)
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end
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def test_method_defined?
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assert_method_not_defined?(User, :wombat)
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assert_method_defined?(User, :user)
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assert_method_defined?(User, :mixin)
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assert_method_not_defined?(User, :wombat)
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assert_method_defined?(User, :user)
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assert_method_defined?(User, :mixin)
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end
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def module_exec_aux
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Proc.new do
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def dynamically_added_method_3; end
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end
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end
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def module_exec_aux_2(&block)
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User.module_exec(&block)
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end
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def test_module_exec
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User.module_exec do
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def dynamically_added_method_1; end
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end
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assert_method_defined?(User, :dynamically_added_method_1)
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block = Proc.new do
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def dynamically_added_method_2; end
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end
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User.module_exec(&block)
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assert_method_defined?(User, :dynamically_added_method_2)
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User.module_exec(&module_exec_aux)
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assert_method_defined?(User, :dynamically_added_method_3)
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module_exec_aux_2 do
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def dynamically_added_method_4; end
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end
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assert_method_defined?(User, :dynamically_added_method_4)
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end
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def test_module_eval
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User.module_eval("MODULE_EVAL = 1")
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assert_equal(1, User::MODULE_EVAL)
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assert(User.constants.include?(:MODULE_EVAL))
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User.instance_eval("remove_const(:MODULE_EVAL)")
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assert(!User.constants.include?(:MODULE_EVAL))
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end
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def test_name
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assert_equal("Fixnum", Fixnum.name)
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assert_equal("TestModule::Mixin", Mixin.name)
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assert_equal("TestModule::User", User.name)
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end
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def test_private_class_method
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assert_raise(ExpectedException) { AClass.cm1 }
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assert_raise(ExpectedException) { AClass.cm3 }
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assert_equal("cm1cm2cm3", AClass.cm2)
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end
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def test_private_instance_methods
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assert_equal([:aClass1], AClass.private_instance_methods(false))
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assert_equal([:bClass2], BClass.private_instance_methods(false))
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assert_equal([:aClass1, :bClass2],
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(BClass.private_instance_methods(true) -
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Object.private_instance_methods(true)).sort)
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end
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def test_protected_instance_methods
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assert_equal([:aClass2], AClass.protected_instance_methods)
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assert_equal([:bClass3], BClass.protected_instance_methods(false))
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assert_equal([:bClass3, :aClass2].sort,
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(BClass.protected_instance_methods(true) -
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Object.protected_instance_methods(true)).sort)
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end
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def test_public_class_method
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assert_equal("cm1", MyClass.cm1)
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assert_equal("cm1cm2cm3", MyClass.cm2)
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assert_raise(ExpectedException) { eval "MyClass.cm3" }
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end
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def test_public_instance_methods
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assert_equal([:aClass], AClass.public_instance_methods(false))
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assert_equal([:bClass1], BClass.public_instance_methods(false))
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end
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def test_s_constants
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c1 = Module.constants
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Object.module_eval "WALTER = 99"
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c2 = Module.constants
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assert_equal([:WALTER], c2 - c1)
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end
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module M1
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$m1 = Module.nesting
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module M2
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$m2 = Module.nesting
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end
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end
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def test_s_nesting
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assert_equal([], $m0)
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assert_equal([TestModule::M1, TestModule], $m1)
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assert_equal([TestModule::M1::M2,
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TestModule::M1, TestModule], $m2)
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end
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def test_s_new
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m = Module.new
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assert_instance_of(Module, m)
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end
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def test_freeze
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m = Module.new
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m.freeze
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assert_raise(RuntimeError) do
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m.module_eval do
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def foo; end
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end
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end
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end
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def test_attr_obsoleted_flag
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c = Class.new
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c.class_eval do
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def initialize
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@foo = :foo
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@bar = :bar
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end
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attr :foo, true
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attr :bar, false
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end
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o = c.new
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assert_equal(true, o.respond_to?(:foo))
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assert_equal(true, o.respond_to?(:foo=))
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assert_equal(true, o.respond_to?(:bar))
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assert_equal(false, o.respond_to?(:bar=))
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end
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def test_const_get2
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c1 = Class.new
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c2 = Class.new(c1)
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eval("c1::Foo = :foo")
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assert_equal(:foo, c1::Foo)
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assert_equal(:foo, c2::Foo)
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assert_equal(:foo, c2.const_get(:Foo))
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assert_raise(NameError) { c2.const_get(:Foo, false) }
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eval("c1::Foo = :foo")
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assert_raise(NameError) { c1::Bar }
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assert_raise(NameError) { c2::Bar }
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assert_raise(NameError) { c2.const_get(:Bar) }
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assert_raise(NameError) { c2.const_get(:Bar, false) }
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c1.instance_eval do
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def const_missing(x)
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x
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end
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end
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assert_equal(:Bar, c1::Bar)
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assert_equal(:Bar, c2::Bar)
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assert_equal(:Bar, c2.const_get(:Bar))
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assert_equal(:Bar, c2.const_get(:Bar, false))
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assert_raise(NameError) { c1.const_get(:foo) }
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end
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def test_const_set2
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c1 = Class.new
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assert_raise(NameError) { c1.const_set(:foo, :foo) }
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end
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def test_const_get3
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c1 = Class.new
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assert_raise(NameError) { c1.const_defined?(:foo) }
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end
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def test_class_variable_get2
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c = Class.new
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c.class_eval { @@foo = :foo }
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assert_equal(:foo, c.class_variable_get(:@@foo))
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assert_raise(NameError) { c.class_variable_get(:@@bar) } # c.f. instance_variable_get
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assert_raise(NameError) { c.class_variable_get(:foo) }
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end
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def test_class_variable_set2
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c = Class.new
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c.class_variable_set(:@@foo, :foo)
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assert_equal(:foo, c.class_eval { @@foo })
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assert_raise(NameError) { c.class_variable_set(:foo, 1) }
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end
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def test_class_variable_defined
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c = Class.new
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c.class_eval { @@foo = :foo }
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assert_equal(true, c.class_variable_defined?(:@@foo))
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assert_equal(false, c.class_variable_defined?(:@@bar))
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assert_raise(NameError) { c.class_variable_defined?(:foo) }
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end
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def test_export_method
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m = Module.new
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assert_raise(NameError) do
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m.instance_eval { public(:foo) }
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end
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end
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def test_attr
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ruby do |w, r, e|
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w.puts "$VERBOSE = true"
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w.puts "c = Class.new"
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w.puts "c.instance_eval do"
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w.puts " private"
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w.puts " attr_reader :foo"
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w.puts "end"
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w.puts "o = c.new"
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w.puts "o.foo rescue p(:ok)"
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w.puts "p(o.instance_eval { foo })"
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w.close
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assert_equal(":ok\nnil", r.read.chomp)
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assert_match(/warning: private attribute\?$/, e.read.chomp)
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end
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c = Class.new
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assert_raise(NameError) do
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c.instance_eval { attr_reader :"$" }
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end
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end
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def test_undef
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assert_raise(SecurityError) do
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Thread.new do
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$SAFE = 4
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Class.instance_eval { undef_method(:foo) }
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end.join
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end
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c = Class.new
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assert_raise(NameError) do
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c.instance_eval { undef_method(:foo) }
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end
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m = Module.new
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assert_raise(NameError) do
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m.instance_eval { undef_method(:foo) }
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end
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o = Object.new
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assert_raise(NameError) do
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class << o; self; end.instance_eval { undef_method(:foo) }
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end
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%w(object_id __send__ initialize).each do |m|
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ruby do |w, r, e|
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w.puts "$VERBOSE = false"
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w.puts "Class.new.instance_eval { undef_method(:#{m}) }"
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w.close
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assert_equal("", r.read.chomp)
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assert_match(/warning: undefining `#{m}' may cause serious problem$/, e.read.chomp)
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end
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end
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end
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def test_alias
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m = Module.new
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assert_raise(NameError) do
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m.class_eval { alias foo bar }
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end
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ruby do |w, r, e|
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w.puts "$VERBOSE = true"
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w.puts "c = Class.new"
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w.puts "c.class_eval do"
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w.puts " def foo; 1; end"
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w.puts " def bar; 2; end"
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w.puts "end"
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w.puts "c.class_eval { alias foo bar }"
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w.puts "p c.new.foo"
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w.close
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assert_equal("2", r.read.chomp)
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assert_match(/warning: discarding old foo$/, e.read.chomp)
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end
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end
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def test_mod_constants
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Module.const_set(:Foo, :foo)
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assert_equal([:Foo], Module.constants(true))
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assert_equal([:Foo], Module.constants(false))
|
|
Module.instance_eval { remove_const(:Foo) }
|
|
end
|
|
|
|
def test_frozen_class
|
|
m = Module.new
|
|
m.freeze
|
|
assert_raise(RuntimeError) do
|
|
m.instance_eval { undef_method(:foo) }
|
|
end
|
|
|
|
c = Class.new
|
|
c.freeze
|
|
assert_raise(RuntimeError) do
|
|
c.instance_eval { undef_method(:foo) }
|
|
end
|
|
|
|
o = Object.new
|
|
c = class << o; self; end
|
|
c.freeze
|
|
assert_raise(RuntimeError) do
|
|
c.instance_eval { undef_method(:foo) }
|
|
end
|
|
end
|
|
|
|
def test_method_defined
|
|
c = Class.new
|
|
c.class_eval do
|
|
def foo; end
|
|
def bar; end
|
|
def baz; end
|
|
public :foo
|
|
protected :bar
|
|
private :baz
|
|
end
|
|
|
|
assert_equal(true, c.public_method_defined?(:foo))
|
|
assert_equal(false, c.public_method_defined?(:bar))
|
|
assert_equal(false, c.public_method_defined?(:baz))
|
|
|
|
assert_equal(false, c.protected_method_defined?(:foo))
|
|
assert_equal(true, c.protected_method_defined?(:bar))
|
|
assert_equal(false, c.protected_method_defined?(:baz))
|
|
|
|
assert_equal(false, c.private_method_defined?(:foo))
|
|
assert_equal(false, c.private_method_defined?(:bar))
|
|
assert_equal(true, c.private_method_defined?(:baz))
|
|
end
|
|
|
|
def test_change_visibility_under_safe4
|
|
c = Class.new
|
|
c.class_eval do
|
|
def foo; end
|
|
end
|
|
assert_raise(SecurityError) do
|
|
Thread.new do
|
|
$SAFE = 4
|
|
c.class_eval { private :foo }
|
|
end.join
|
|
end
|
|
end
|
|
|
|
def test_top_public_private
|
|
ruby do |w, r, e|
|
|
w.puts "private"
|
|
w.puts "def foo; :foo; end"
|
|
w.puts "public"
|
|
w.puts "def bar; :bar; end"
|
|
w.puts "p self.private_methods.grep(/^foo$|^bar$/)"
|
|
w.puts "p self.methods.grep(/^foo$|^bar$/)"
|
|
w.close
|
|
assert_equal("[:foo]\n[:bar]", r.read.chomp)
|
|
assert_equal("", e.read.chomp)
|
|
end
|
|
end
|
|
|
|
def test_append_features
|
|
t = nil
|
|
m = Module.new
|
|
m.module_eval do
|
|
def foo; :foo; end
|
|
end
|
|
class << m; self; end.class_eval do
|
|
define_method(:append_features) do |mod|
|
|
t = mod
|
|
super(mod)
|
|
end
|
|
end
|
|
|
|
m2 = Module.new
|
|
m2.module_eval { include(m) }
|
|
assert_equal(m2, t)
|
|
|
|
o = Object.new
|
|
o.extend(m2)
|
|
assert_equal(true, o.respond_to?(:foo))
|
|
end
|
|
|
|
def test_append_features_raise
|
|
m = Module.new
|
|
m.module_eval do
|
|
def foo; :foo; end
|
|
end
|
|
class << m; self; end.class_eval do
|
|
define_method(:append_features) {|mod| raise }
|
|
end
|
|
|
|
m2 = Module.new
|
|
assert_raise(RuntimeError) do
|
|
m2.module_eval { include(m) }
|
|
end
|
|
|
|
o = Object.new
|
|
o.extend(m2)
|
|
assert_equal(false, o.respond_to?(:foo))
|
|
end
|
|
|
|
def test_append_features_type_error
|
|
assert_raise(TypeError) do
|
|
Module.new.instance_eval { append_features(1) }
|
|
end
|
|
end
|
|
|
|
def test_included
|
|
m = Module.new
|
|
m.module_eval do
|
|
def foo; :foo; end
|
|
end
|
|
class << m; self; end.class_eval do
|
|
define_method(:included) {|mod| raise }
|
|
end
|
|
|
|
m2 = Module.new
|
|
assert_raise(RuntimeError) do
|
|
m2.module_eval { include(m) }
|
|
end
|
|
|
|
o = Object.new
|
|
o.extend(m2)
|
|
assert_equal(true, o.respond_to?(:foo))
|
|
end
|
|
|
|
def test_cyclic_include
|
|
m1 = Module.new
|
|
m2 = Module.new
|
|
m1.instance_eval { include(m2) }
|
|
assert_raise(ArgumentError) do
|
|
m2.instance_eval { include(m1) }
|
|
end
|
|
end
|
|
|
|
def test_include_p
|
|
m = Module.new
|
|
c1 = Class.new
|
|
c1.instance_eval { include(m) }
|
|
c2 = Class.new(c1)
|
|
assert_equal(true, c1.include?(m))
|
|
assert_equal(true, c2.include?(m))
|
|
assert_equal(false, m.include?(m))
|
|
end
|
|
end
|