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require 'test/unit'
require 'pp'
$m0 = Module.nesting
class TestModule < Test::Unit::TestCase
def test_LT_0
assert_equal true, String < Object
assert_equal false, Object < String
assert_nil String < Array
assert_equal true, Array < Enumerable
assert_equal false, Enumerable < Array
assert_nil Proc < Comparable
assert_nil Comparable < Proc
end
def test_GT_0
assert_equal false, String > Object
assert_equal true, Object > String
assert_nil String > Array
assert_equal false, Array > Enumerable
assert_equal true, Enumerable > Array
assert_nil Comparable > Proc
assert_nil Proc > Comparable
end
def test_CMP_0
assert_equal -1, (String <=> Object)
assert_equal 1, (Object <=> String)
assert_nil(Array <=> String)
end
ExpectedException = NoMethodError
# Support stuff
def remove_pp_mixins(list)
list.reject {|c| c == PP::ObjectMixin }
end
module Mixin
MIXIN = 1
def mixin
end
end
module User
USER = 2
include Mixin
def user
end
end
module Other
def other
end
end
class AClass
def AClass.cm1
"cm1"
end
def AClass.cm2
cm1 + "cm2" + cm3
end
def AClass.cm3
"cm3"
end
private_class_method :cm1, "cm3"
def aClass
end
def aClass1
end
def aClass2
end
private :aClass1
protected :aClass2
end
class BClass < AClass
def bClass1
end
private
def bClass2
end
protected
def bClass3
end
end
MyClass = AClass.clone
class MyClass
public_class_method :cm1
end
# -----------------------------------------------------------
def test_CMP # '<=>'
assert_equal( 0, Mixin <=> Mixin)
assert_equal(-1, User <=> Mixin)
assert_equal( 1, Mixin <=> User)
assert_equal( 0, Object <=> Object)
assert_equal(-1, String <=> Object)
assert_equal( 1, Object <=> String)
end
def test_GE # '>='
assert(Mixin >= User)
assert(Mixin >= Mixin)
assert(!(User >= Mixin))
assert(Object >= String)
assert(String >= String)
assert(!(String >= Object))
end
def test_GT # '>'
assert(Mixin > User)
assert(!(Mixin > Mixin))
assert(!(User > Mixin))
assert(Object > String)
assert(!(String > String))
assert(!(String > Object))
end
def test_LE # '<='
assert(User <= Mixin)
assert(Mixin <= Mixin)
assert(!(Mixin <= User))
assert(String <= Object)
assert(String <= String)
assert(!(Object <= String))
end
def test_LT # '<'
assert(User < Mixin)
assert(!(Mixin < Mixin))
assert(!(Mixin < User))
assert(String < Object)
assert(!(String < String))
assert(!(Object < String))
end
def test_VERY_EQUAL # '==='
assert(Object === self)
assert(Test::Unit::TestCase === self)
assert(TestModule === self)
assert(!(String === self))
end
def test_ancestors
assert_equal([User, Mixin], User.ancestors)
assert_equal([Mixin], Mixin.ancestors)
assert_equal([Object, Kernel, BasicObject], remove_pp_mixins(Object.ancestors))
assert_equal([String, Comparable, Object, Kernel, BasicObject],
remove_pp_mixins(String.ancestors))
end
def test_class_eval
Other.class_eval("CLASS_EVAL = 1")
assert_equal(1, Other::CLASS_EVAL)
assert(Other.constants.include?("CLASS_EVAL"))
end
def test_class_variable_set
# TODO
end
def test_class_variable_get
# TODO
end
def test_const_defined?
assert(Math.const_defined?(:PI))
assert(Math.const_defined?("PI"))
assert(!Math.const_defined?(:IP))
assert(!Math.const_defined?("IP"))
end
def test_const_get
assert_equal(Math::PI, Math.const_get("PI"))
assert_equal(Math::PI, Math.const_get(:PI))
end
def test_const_set
assert(!Other.const_defined?(:KOALA))
Other.const_set(:KOALA, 99)
assert(Other.const_defined?(:KOALA))
assert_equal(99, Other::KOALA)
Other.const_set("WOMBAT", "Hi")
assert_equal("Hi", Other::WOMBAT)
end
def test_constants
assert_equal(["MIXIN"], Mixin.constants)
assert_equal(["MIXIN", "USER"], User.constants.sort)
end
def test_included_modules
assert_equal([], Mixin.included_modules)
assert_equal([Mixin], User.included_modules)
assert_equal([Kernel], remove_pp_mixins(Object.included_modules))
assert_equal([Comparable, Kernel],
remove_pp_mixins(String.included_modules))
end
def test_instance_methods
assert_equal(["user" ], User.instance_methods(false))
assert_equal(["user", "mixin"].sort, User.instance_methods(true).sort)
assert_equal(["mixin"], Mixin.instance_methods)
assert_equal(["mixin"], Mixin.instance_methods(true))
# Ruby 1.8 feature change:
# #instance_methods includes protected methods.
#assert_equal(["aClass"], AClass.instance_methods(false))
assert_equal(["aClass", "aClass2"], AClass.instance_methods(false).sort)
assert_equal(["aClass", "aClass2"],
(AClass.instance_methods(true) - Object.instance_methods(true)).sort)
end
def test_method_defined?
assert(!User.method_defined?(:wombat))
assert(User.method_defined?(:user))
assert(User.method_defined?(:mixin))
assert(!User.method_defined?("wombat"))
assert(User.method_defined?("user"))
assert(User.method_defined?("mixin"))
end
def test_module_eval
User.module_eval("MODULE_EVAL = 1")
assert_equal(1, User::MODULE_EVAL)
assert(User.constants.include?("MODULE_EVAL"))
User.instance_eval("remove_const(:MODULE_EVAL)")
assert(!User.constants.include?("MODULE_EVAL"))
end
def test_name
assert_equal("Fixnum", Fixnum.name)
assert_equal("TestModule::Mixin", Mixin.name)
assert_equal("TestModule::User", User.name)
end
def test_private_class_method
assert_raise(ExpectedException) { AClass.cm1 }
assert_raise(ExpectedException) { AClass.cm3 }
assert_equal("cm1cm2cm3", AClass.cm2)
end
def test_private_instance_methods
assert_equal(["aClass1"], AClass.private_instance_methods(false))
assert_equal(["bClass2"], BClass.private_instance_methods(false))
assert_equal(["aClass1", "bClass2"],
(BClass.private_instance_methods(true) -
Object.private_instance_methods(true)).sort)
end
def test_protected_instance_methods
assert_equal(["aClass2"], AClass.protected_instance_methods)
assert_equal(["bClass3"], BClass.protected_instance_methods(false))
assert_equal(["bClass3", "aClass2"].sort,
(BClass.protected_instance_methods(true) -
Object.protected_instance_methods(true)).sort)
end
def test_public_class_method
assert_equal("cm1", MyClass.cm1)
assert_equal("cm1cm2cm3", MyClass.cm2)
assert_raise(ExpectedException) { eval "MyClass.cm3" }
end
def test_public_instance_methods
assert_equal(["aClass"], AClass.public_instance_methods(false))
assert_equal(["bClass1"], BClass.public_instance_methods(false))
end
def test_s_constants
c1 = Module.constants
Object.module_eval "WALTER = 99"
c2 = Module.constants
assert_equal(["WALTER"], c2 - c1)
end
module M1
$m1 = Module.nesting
module M2
$m2 = Module.nesting
end
end
def test_s_nesting
assert_equal([], $m0)
assert_equal([TestModule::M1, TestModule], $m1)
assert_equal([TestModule::M1::M2,
TestModule::M1, TestModule], $m2)
end
def test_s_new
m = Module.new
assert_instance_of(Module, m)
end
end
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