Files
RubyMotion/test/TestUnit/test/ruby/test_eval.rb
2012-09-22 21:57:31 +09:00

434 lines
13 KiB
Ruby

require 'test/unit'
require_relative 'envutil'
class TestEval < Test::Unit::TestCase
@ivar = 12
@@cvar = 13
$gvar__eval = 14
Const = 15
def ruby(*args)
args = ['-e', '$>.write($<.read)'] if args.empty?
ruby = EnvUtil.rubybin
f = IO.popen([ruby] + args, 'r+')
yield(f)
ensure
f.close unless !f || f.closed?
end
# def test_eval_basic
# assert_equal nil, eval("nil")
# assert_equal true, eval("true")
# assert_equal false, eval("false")
# assert_equal self, eval("self")
# assert_equal 1, eval("1")
# assert_equal :sym, eval(":sym")
# assert_equal 11, eval("11")
# @ivar = 12
# assert_equal 12, eval("@ivar")
# # assert_equal 13, eval("@@cvar")
# assert_equal 14, eval("$gvar__eval")
# assert_equal 15, eval("Const")
# assert_equal 16, eval("7 + 9")
# assert_equal 17, eval("17.to_i")
# assert_equal "18", eval(%q("18"))
# assert_equal "19", eval(%q("1#{9}"))
# 1.times {
# assert_equal 12, eval("@ivar")
# # assert_equal 13, eval("@@cvar")
# assert_equal 14, eval("$gvar__eval")
# assert_equal 15, eval("Const")
# }
# end
# def test_eval_binding_basic
# assert_equal nil, eval("nil", binding())
# assert_equal true, eval("true", binding())
# assert_equal false, eval("false", binding())
# assert_equal self, eval("self", binding())
# assert_equal 1, eval("1", binding())
# assert_equal :sym, eval(":sym", binding())
# assert_equal 11, eval("11", binding())
# @ivar = 12
# assert_equal 12, eval("@ivar", binding())
# assert_equal 13, eval("@@cvar", binding())
# assert_equal 14, eval("$gvar__eval", binding())
# assert_equal 15, eval("Const", binding())
# assert_equal 16, eval("7 + 9", binding())
# assert_equal 17, eval("17.to_i", binding())
# assert_equal "18", eval(%q("18"), binding())
# assert_equal "19", eval(%q("1#{9}"), binding())
# 1.times {
# assert_equal 12, eval("@ivar")
# assert_equal 13, eval("@@cvar")
# assert_equal 14, eval("$gvar__eval")
# assert_equal 15, eval("Const")
# }
# end
# def test_module_eval_string_basic
# c = self.class
# assert_equal nil, c.module_eval("nil")
# assert_equal true, c.module_eval("true")
# assert_equal false, c.module_eval("false")
# assert_equal c, c.module_eval("self")
# assert_equal :sym, c.module_eval(":sym")
# assert_equal 11, c.module_eval("11")
# @ivar = 12
# assert_equal 12, c.module_eval("@ivar")
# assert_equal 13, c.module_eval("@@cvar")
# assert_equal 14, c.module_eval("$gvar__eval")
# assert_equal 15, c.module_eval("Const")
# assert_equal 16, c.module_eval("7 + 9")
# assert_equal 17, c.module_eval("17.to_i")
# assert_equal "18", c.module_eval(%q("18"))
# assert_equal "19", c.module_eval(%q("1#{9}"))
# @ivar = 12
# 1.times {
# assert_equal 12, c.module_eval("@ivar")
# assert_equal 13, c.module_eval("@@cvar")
# assert_equal 14, c.module_eval("$gvar__eval")
# assert_equal 15, c.module_eval("Const")
# }
# end
def test_module_eval_block_basic
c = self.class
assert_equal nil, c.module_eval { nil }
assert_equal true, c.module_eval { true }
assert_equal false, c.module_eval { false }
assert_equal c, c.module_eval { self }
assert_equal :sym, c.module_eval { :sym }
assert_equal 11, c.module_eval { 11 }
@ivar = 12
assert_equal 12, c.module_eval { @ivar }
assert_equal 13, c.module_eval { @@cvar }
assert_equal 14, c.module_eval { $gvar__eval }
assert_equal 15, c.module_eval { Const }
assert_equal 16, c.module_eval { 7 + 9 }
assert_equal 17, c.module_eval { "17".to_i }
assert_equal "18", c.module_eval { "18" }
assert_equal "19", c.module_eval { "1#{9}" }
@ivar = 12
1.times {
assert_equal 12, c.module_eval { @ivar }
assert_equal 13, c.module_eval { @@cvar }
assert_equal 14, c.module_eval { $gvar__eval }
assert_equal 15, c.module_eval { Const }
}
end
def forall_TYPE(mid)
objects = [Object.new, [], nil, true, false, 77, :sym] # TODO: check
objects.each do |obj|
obj.instance_variable_set :@ivar, 12
send mid, obj
end
end
# def test_instance_eval_string_basic
# forall_TYPE :instance_eval_string_basic_i
# end
def instance_eval_string_basic_i(o)
assert_equal nil, o.instance_eval("nil")
assert_equal true, o.instance_eval("true")
assert_equal false, o.instance_eval("false")
# assert_equal o, o.instance_eval("self")
assert_equal 1, o.instance_eval("1")
assert_equal :sym, o.instance_eval(":sym")
assert_equal 11, o.instance_eval("11")
# assert_equal 12, o.instance_eval("@ivar")
# assert_equal 13, o.instance_eval("@@cvar")
assert_equal 14, o.instance_eval("$gvar__eval")
assert_equal 15, o.instance_eval("Const")
assert_equal 16, o.instance_eval("7 + 9")
assert_equal 17, o.instance_eval("17.to_i")
assert_equal "18", o.instance_eval(%q("18"))
assert_equal "19", o.instance_eval(%q("1#{9}"))
1.times {
# assert_equal 12, o.instance_eval("@ivar")
# assert_equal 13, o.instance_eval("@@cvar")
assert_equal 14, o.instance_eval("$gvar__eval")
assert_equal 15, o.instance_eval("Const")
}
end
# def test_instance_eval_block_basic
# forall_TYPE :instance_eval_block_basic_i
# end
def instance_eval_block_basic_i(o)
assert_equal nil, o.instance_eval { nil }
assert_equal true, o.instance_eval { true }
assert_equal false, o.instance_eval { false }
assert_equal o, o.instance_eval { self }
assert_equal 1, o.instance_eval { 1 }
assert_equal :sym, o.instance_eval { :sym }
assert_equal 11, o.instance_eval { 11 }
assert_equal 12, o.instance_eval { @ivar }
# assert_equal 13, o.instance_eval { @@cvar }
assert_equal 14, o.instance_eval { $gvar__eval }
assert_equal 15, o.instance_eval { Const }
assert_equal 16, o.instance_eval { 7 + 9 }
assert_equal 17, o.instance_eval { 17.to_i }
assert_equal "18", o.instance_eval { "18" }
assert_equal "19", o.instance_eval { "1#{9}" }
1.times {
assert_equal 12, o.instance_eval { @ivar }
assert_equal 13, o.instance_eval { @@cvar }
assert_equal 14, o.instance_eval { $gvar__eval }
assert_equal 15, o.instance_eval { Const }
}
end
# def test_instance_eval_cvar
# [Object.new, [], 7, :sym, true, false, nil].each do |obj|
# assert_equal(13, obj.instance_eval("@@cvar"))
# assert_equal(13, obj.instance_eval{@@cvar})
# # assert_raise(NameError){obj.instance_eval("@@cvar")}
# # assert_raise(NameError){obj.instance_eval{@@cvar}}
# end
# end
#
# From ruby/test/ruby/test_eval.rb
#
# def test_ev
# local1 = "local1"
# lambda {
# local2 = "local2"
# return binding
# }.call
# end
# def test_eval_orig
# assert_nil(eval(""))
# $bad=false
# eval 'while false; $bad = true; print "foo\n" end'
# assert(!$bad)
# assert(eval('TRUE'))
# assert(eval('true'))
# assert(!eval('NIL'))
# assert(!eval('nil'))
# assert(!eval('FALSE'))
# assert(!eval('false'))
# $foo = 'assert(true)'
# begin
# eval $foo
# rescue
# assert(false)
# end
# assert_equal('assert(true)', eval("$foo"))
# assert_equal(true, eval("true"))
# # i = 5
# # assert(eval("i == 5"))
# # assert_equal(5, eval("i"))
# # assert(eval("defined? i"))
# # $x = test_ev
# # assert_equal("local1", eval("local1", $x)) # normal local var
# # assert_equal("local2", eval("local2", $x)) # nested local var
# # $bad = true
# # begin
# # p eval("local1")
# # rescue NameError # must raise error
# # $bad = false
# # end
# # assert(!$bad)
# # !! use class_eval to avoid nested definition
# # self.class.class_eval %q(
# # module EvTest
# # EVTEST1 = 25
# # evtest2 = 125
# # $x = binding
# # end
# # )
# # assert_equal(25, eval("EVTEST1", $x)) # constant in module
# # assert_equal(125, eval("evtest2", $x)) # local var in module
# # $bad = true
# # begin
# # eval("EVTEST1")
# # rescue NameError # must raise error
# # $bad = false
# # end
# # assert(!$bad)
# if false
# # Ruby 2.0 doesn't see Proc as Binding
# x = proc{}
# eval "i4 = 1", x
# assert_equal(1, eval("i4", x))
# x = proc{proc{}}.call
# eval "i4 = 22", x
# assert_equal(22, eval("i4", x))
# $x = []
# x = proc{proc{}}.call
# eval "(0..9).each{|i5| $x[i5] = proc{i5*2}}", x
# assert_equal(8, $x[4].call)
# end
# # x = binding
# # eval "i = 1", x
# # assert_equal(1, eval("i", x))
# # x = proc{binding}.call
# # eval "i = 22", x
# # assert_equal(22, eval("i", x))
# # $x = []
# # x = proc{binding}.call
# # eval "(0..9).each{|i5| $x[i5] = proc{i5*2}}", x
# # assert_equal(8, $x[4].call)
# # x = proc{binding}.call
# # eval "for i6 in 1..1; j6=i6; end", x
# # assert(eval("defined? i6", x))
# # assert(eval("defined? j6", x))
# # proc {
# # p = binding
# # eval "foo11 = 1", p
# # foo22 = 5
# # proc{foo11=22}.call
# # proc{foo22=55}.call
# # # assert_equal(eval("foo11"), eval("foo11", p))
# # # assert_equal(1, eval("foo11"))
# # assert_equal(eval("foo22"), eval("foo22", p))
# # assert_equal(55, eval("foo22"))
# # }.call
# if false
# # Ruby 2.0 doesn't see Proc as Binding
# p1 = proc{i7 = 0; proc{i7}}.call
# assert_equal(0, p1.call)
# eval "i7=5", p1
# assert_equal(5, p1.call)
# assert(!defined?(i7))
# end
# if false
# # Ruby 2.0 doesn't see Proc as Binding
# p1 = proc{i7 = 0; proc{i7}}.call
# i7 = nil
# assert_equal(0, p1.call)
# eval "i7=1", p1
# assert_equal(1, p1.call)
# eval "i7=5", p1
# assert_equal(5, p1.call)
# assert_nil(i7)
# end
# end
# def test_nil_instance_eval_cvar
# def nil.test_binding
# binding
# end
# bb = eval("nil.instance_eval \"binding\"", nil.test_binding)
# assert_raise(NameError, "[ruby-dev:24103]") { eval("@@a", bb) }
# class << nil
# remove_method :test_binding
# end
# end
def test_fixnum_instance_eval_cvar
assert_raise(NameError, "[ruby-dev:24213]") { 1.instance_eval "@@a" }
end
# def test_cvar_scope_with_instance_eval
# # TODO: check
# Fixnum.class_eval "@@test_cvar_scope_with_instance_eval = 1" # depends on [ruby-dev:24229]
# @@test_cvar_scope_with_instance_eval = 4
# assert_equal(4, 1.instance_eval("@@test_cvar_scope_with_instance_eval"), "[ruby-dev:24223]")
# Fixnum.__send__(:remove_class_variable, :@@test_cvar_scope_with_instance_eval)
# end
# def test_eval_and_define_method
# assert_nothing_raised("[ruby-dev:24228]") {
# def temporally_method_for_test_eval_and_define_method(&block)
# lambda {
# class << Object.new; self end.send(:define_method, :zzz, &block)
# }
# end
# v = eval("temporally_method_for_test_eval_and_define_method {}")
# {}[0] = {}
# v.call
# }
# end
def test_define_method_block
cc = Class.new do
define_method(:foo) {|&block|
block.call if block
}
end
c = cc.new
x = "ng"
c.foo() {x = "ok"}
assert_equal("ok", x)
end
def test_eval_using_integer_as_binding
assert_raise(TypeError) { eval("", 1) }
end
def test_eval_raise
assert_raise(RuntimeError) { eval("raise ''") }
end
# def test_eval_using_untainted_binding_under_safe4
# assert_raise(SecurityError) do
# Thread.new do
# b = binding
# $SAFE = 4
# eval("", b)
# end.join
# end
# end
# def test_eval_with_toplevel_binding # [ruby-dev:37142]
# ruby("-e", "x = 0; eval('p x', TOPLEVEL_BINDING)") do |f|
# f.close_write
# assert_equal("0", f.read.chomp)
# end
# end
# def test_eval_ascii_incompatible
# assert_raise(ArgumentError) {eval("__ENCODING__".encode("utf-16be"))}
# assert_raise(ArgumentError) {eval("__ENCODING__".encode("utf-16le"))}
# assert_raise(ArgumentError) {eval("__ENCODING__".encode("utf-32be"))}
# assert_raise(ArgumentError) {eval("__ENCODING__".encode("utf-32le"))}
# end
def test_instance_eval_method_proc
bug3860 = Class.new do
def initialize(a);
@a=a
end
def get(*args)
@a
end
end
foo = bug3860.new 1
foo_pr = foo.method(:get).to_proc
result = foo.instance_eval(&foo_pr)
assert_equal(1, result, 'Bug #3786, Bug #3860, [ruby-core:32501]')
end
end