1 files changed, 329 insertions, 0 deletions
diff --git a/test/ruby/test_object.rb b/test/ruby/test_object.rb
new file mode 100644
index 0000000000..aa6d83d68a
--- /dev/null
+++ b/test/ruby/test_object.rb
@@ -0,0 +1,329 @@
+require 'test/unit'
+require File.expand_path('../envutil', __FILE__)
+
+class TestObject < Test::Unit::TestCase
+  def setup
+    @verbose = $VERBOSE
+    $VERBOSE = nil
+  end
+
+  def teardown
+    $VERBOSE = @verbose
+  end
+
+  def test_dup
+    assert_raise(TypeError) { 1.dup }
+    assert_raise(TypeError) { true.dup }
+    assert_raise(TypeError) { nil.dup }
+
+    assert_raise(TypeError) do
+      Object.new.instance_eval { initialize_copy(1) }
+    end
+  end
+
+  def test_instance_of
+    assert_raise(TypeError) { 1.instance_of?(1) }
+  end
+
+  def test_kind_of
+    assert_raise(TypeError) { 1.kind_of?(1) }
+  end
+
+  def test_taint_frozen_obj
+    o = Object.new
+    o.freeze
+    assert_raise(TypeError) { o.taint }
+
+    o = Object.new
+    o.taint
+    o.freeze
+    assert_raise(TypeError) { o.untaint }
+  end
+
+  def test_freeze_under_safe_4
+    o = Object.new
+    assert_raise(SecurityError) do
+      Thread.new do
+        $SAFE = 4
+        o.freeze
+      end.join
+    end
+  end
+
+  def test_nil_to_f
+    assert_equal(0.0, nil.to_f)
+  end
+
+  def test_true_and
+    assert_equal(true, true & true)
+    assert_equal(true, true & 1)
+    assert_equal(false, true & false)
+    assert_equal(false, true & nil)
+  end
+
+  def test_true_or
+    assert_equal(true, true | true)
+    assert_equal(true, true | 1)
+    assert_equal(true, true | false)
+    assert_equal(true, true | nil)
+  end
+
+  def test_true_xor
+    assert_equal(false, true ^ true)
+    assert_equal(false, true ^ 1)
+    assert_equal(true, true ^ false)
+    assert_equal(true, true ^ nil)
+  end
+
+  def test_false_and
+    assert_equal(false, false & true)
+    assert_equal(false, false & 1)
+    assert_equal(false, false & false)
+    assert_equal(false, false & nil)
+  end
+
+  def test_false_or
+    assert_equal(true, false | true)
+    assert_equal(true, false | 1)
+    assert_equal(false, false | false)
+    assert_equal(false, false | nil)
+  end
+
+  def test_false_xor
+    assert_equal(true, false ^ true)
+    assert_equal(true, false ^ 1)
+    assert_equal(false, false ^ false)
+    assert_equal(false, false ^ nil)
+  end
+
+  def test_methods
+    o = Object.new
+    a1 = o.methods
+    a2 = o.methods(false)
+
+    def o.foo; end
+
+    assert_equal(["foo"], o.methods(true) - a1)
+    assert_equal(["foo"], o.methods(false) - a2)
+  end
+
+  def test_methods2
+    c0 = Class.new
+    c1 = Class.new(c0)
+    c1.module_eval do
+      public   ; def foo; end
+      protected; def bar; end
+      private  ; def baz; end
+    end
+    c2 = Class.new(c1)
+    c2.module_eval do
+      public   ; def foo2; end
+      protected; def bar2; end
+      private  ; def baz2; end
+    end
+
+    o0 = c0.new
+    o2 = c2.new
+
+    assert_equal(["baz", "baz2"], (o2.private_methods - o0.private_methods).sort)
+    assert_equal(["baz2"], (o2.private_methods(false) - o0.private_methods(false)).sort)
+
+    assert_equal(["bar", "bar2"], (o2.protected_methods - o0.protected_methods).sort)
+    assert_equal(["bar2"], (o2.protected_methods(false) - o0.protected_methods(false)).sort)
+
+    assert_equal(["foo", "foo2"], (o2.public_methods - o0.public_methods).sort)
+    assert_equal(["foo2"], (o2.public_methods(false) - o0.public_methods(false)).sort)
+  end
+
+  def test_instance_variable_get
+    o = Object.new
+    o.instance_eval { @foo = :foo }
+    assert_equal(:foo, o.instance_variable_get(:@foo))
+    assert_equal(nil, o.instance_variable_get(:@bar))
+    assert_raise(NameError) { o.instance_variable_get(:foo) }
+  end
+
+  def test_instance_variable_set
+    o = Object.new
+    o.instance_variable_set(:@foo, :foo)
+    assert_equal(:foo, o.instance_eval { @foo })
+    assert_raise(NameError) { o.instance_variable_set(:foo, 1) }
+  end
+
+  def test_instance_variable_defined
+    o = Object.new
+    o.instance_eval { @foo = :foo }
+    assert_equal(true, o.instance_variable_defined?(:@foo))
+    assert_equal(false, o.instance_variable_defined?(:@bar))
+    assert_raise(NameError) { o.instance_variable_defined?(:foo) }
+  end
+
+  def test_remove_instance_variable
+    o = Object.new
+    o.instance_eval { @foo = :foo }
+    o.instance_eval { remove_instance_variable(:@foo) }
+    assert_equal(false, o.instance_variable_defined?(:@foo))
+  end
+
+  def test_convert_type
+    o = Object.new
+    def o.to_s; 1; end
+    assert_raise(TypeError) { String(o) }
+  end
+
+  def test_check_convert_type
+    o = Object.new
+    def o.to_a; 1; end
+    assert_raise(TypeError) { Array(o) }
+  end
+
+  def test_to_integer
+    o = Object.new
+    def o.to_i; nil; end
+    assert_raise(TypeError) { Integer(o) }
+  end
+
+  class MyInteger
+    def initialize(n); @num = n; end
+    def to_int; @num; end
+    def <=>(n); @num <=> n.to_int; end
+    def <=(n); @num <= n.to_int; end
+    def +(n); MyInteger.new(@num + n.to_int); end
+  end
+
+  def test_check_to_integer
+    o1 = MyInteger.new(1)
+    o9 = MyInteger.new(9)
+    n = 0
+    Range.new(o1, o9).step(2) {|x| n += x.to_int }
+    assert_equal(1+3+5+7+9, n)
+  end
+
+  def test_add_method_under_safe4
+    o = Object.new
+    assert_raise(SecurityError) do
+      Thread.new do
+        $SAFE = 4
+        def o.foo
+        end
+      end.join
+    end
+  end
+
+  def test_remove_method
+    assert_raise(SecurityError) do
+      Thread.new do
+        $SAFE = 4
+        Object.instance_eval { remove_method(:foo) }
+      end.join
+    end
+
+    assert_raise(SecurityError) do
+      Thread.new do
+        $SAFE = 4
+        Class.instance_eval { remove_method(:foo) }
+      end.join
+    end
+
+    c = Class.new
+    c.freeze
+    assert_raise(TypeError) do
+      c.instance_eval { remove_method(:foo) }
+    end
+  end
+
+  def test_method_missing
+    assert_raise(ArgumentError) do
+      1.instance_eval { method_missing }
+    end
+
+    c = Class.new
+    c.class_eval do
+      protected
+      def foo; end
+    end
+    assert_raise(NoMethodError) do
+      c.new.foo
+    end
+
+    assert_raise(NoMethodError) do
+      1.instance_eval { method_missing(:method_missing) }
+    end
+
+    c.class_eval do
+      undef_method(:method_missing)
+    end
+
+    assert_raise(ArgumentError) do
+      c.new.method_missing
+    end
+  end
+
+  def test_send_with_no_arguments
+    assert_raise(ArgumentError) { 1.send }
+  end
+
+  def test_specific_eval_with_wrong_arguments
+    assert_raise(ArgumentError) do
+      1.instance_eval("foo") { foo }
+    end
+
+    assert_raise(ArgumentError) do
+      1.instance_eval
+    end
+
+    assert_raise(ArgumentError) do
+      1.instance_eval("", 1, 1, 1)
+    end
+  end
+
+  def test_instance_exec
+    x = 1.instance_exec(42) {|a| self + a }
+    assert_equal(43, x)
+
+    x = "foo".instance_exec("bar") {|a| self + a }
+    assert_equal("foobar", x)
+  end
+
+  def test_extend
+    assert_raise(ArgumentError) do
+      1.extend
+    end
+  end
+
+  def test_to_s
+    x = Object.new
+    x.taint
+    s = x.to_s
+    assert_equal(true, s.tainted?)
+  end
+
+  def test_exec_recursive
+    Thread.current[:__recursive_key__] = nil
+    a = [[]]
+    a.inspect
+
+    assert_nothing_raised do
+      proc do
+        $SAFE = 4
+        begin
+          a.hash
+        rescue ArgumentError
+        end
+      end.call
+    end
+
+    proc do
+      o = Object.new
+      def o.to_ary(x); end
+      def o.==(x); $SAFE = 4; false; end
+      a = [[o]]
+      b = []
+      b << b
+
+      assert_nothing_raised do
+        b == a
+      end
+    end.call
+  end
+end