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