* numeric.c (bit_coerce): A Fixnum and a Bignum are only permitted for

bitwise arithmetic with a Fixnum.  #1792
* test/ruby/test_fixnum.rb: add tests for the above change.
* bignum.c (bit_coerce): A Fixnum and a Bignum are only permitted for
 bitwise arithmetic with a Bignum.  #1792
* test/ruby/test_bignum.rb: add tests for the above change.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33108 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,15 @@
+Sun Aug 29 09:58:00 2011  Kenta Murata  <mrkn@mrkn.jp>
+
+	* numeric.c (bit_coerce): A Fixnum and a Bignum are only permitted for
+	 bitwise arithmetic with a Fixnum.  #1792
+
+	* test/ruby/test_fixnum.rb: add tests for the above change.
+
+	* bignum.c (bit_coerce): A Fixnum and a Bignum are only permitted for
+	 bitwise arithmetic with a Bignum.  #1792
+
+	* test/ruby/test_bignum.rb: add tests for the above change.
+
 Sun Aug 28 15:38:17 2011  CHIKANAGA Tomoyuki  <nagachika00@gmail.com>
 
 	* ext/date/date_parse.c (date_zone_to_diff): keep a temporary string

bignum.c

@@ -3108,9 +3108,9 @@ static inline VALUE
 bit_coerce(VALUE x)
 {
     while (!FIXNUM_P(x) && TYPE(x) != T_BIGNUM) {
-	if (TYPE(x) == T_FLOAT) {
-	    rb_raise(rb_eTypeError, "can't convert Float into Integer");
-	}
+	rb_raise(rb_eTypeError,
+		 "can't convert %s into Integer for bitwise arithmetic",
+		 rb_obj_classname(x));
 	x = rb_to_int(x);
     }
     return x;

numeric.c

@@ -2917,10 +2917,9 @@ static VALUE
 bit_coerce(VALUE x)
 {
     while (!FIXNUM_P(x) && TYPE(x) != T_BIGNUM) {
-	if (TYPE(x) == T_FLOAT) {
-	    rb_raise(rb_eTypeError, "can't convert Float into Integer");
-	}
-	x = rb_to_int(x);
+	rb_raise(rb_eTypeError,
+		 "can't convert %s into Integer for bitwise arithmetic",
+		 rb_obj_classname(x));
     }
     return x;
 }

test/ruby/test_bignum.rb

@@ -118,6 +118,8 @@ class TestBignum < Test::Unit::TestCase
   T32P = T32 - 1 # 4294967295
   T64  = 2**64   # 18446744073709551616
   T64P = T64 - 1 # 18446744073709551615
+  T1024  = 2**1024
+  T1024P = T1024 - 1
 
   def test_big_2comp
     assert_equal("-4294967296", (~T32P).to_s)
@@ -321,6 +323,48 @@ class TestBignum < Test::Unit::TestCase
     assert_equal(T64 + T32, T32 ^ T64)
   end
 
+  class DummyNumeric < Numeric
+    def to_int
+      1
+    end
+  end
+
+  def test_and_with_float
+    assert_raise(TypeError) { T1024 & 1.5 }
+  end
+
+  def test_and_with_rational
+    assert_raise(TypeError, "#1792") { T1024 & Rational(3, 2) }
+  end
+
+  def test_and_with_nonintegral_numeric
+    assert_raise(TypeError, "#1792") { T1024 & DummyNumeric.new }
+  end
+
+  def test_or_with_float
+    assert_raise(TypeError) { T1024 | 1.5 }
+  end
+
+  def test_or_with_rational
+    assert_raise(TypeError, "#1792") { T1024 | Rational(3, 2) }
+  end
+
+  def test_or_with_nonintegral_numeric
+    assert_raise(TypeError, "#1792") { T1024 | DummyNumeric.new }
+  end
+
+  def test_xor_with_float
+    assert_raise(TypeError) { T1024 ^ 1.5 }
+  end
+
+  def test_xor_with_rational
+    assert_raise(TypeError, "#1792") { T1024 ^ Rational(3, 2) }
+  end
+
+  def test_xor_with_nonintegral_numeric
+    assert_raise(TypeError, "#1792") { T1024 ^ DummyNumeric.new }
+  end
+
   def test_shift2
     assert_equal(2**33, (2**32) <<  1)
     assert_equal(2**31, (2**32) << -1)

test/ruby/test_fixnum.rb

@@ -229,4 +229,46 @@ class TestFixnum < Test::Unit::TestCase
     assert(!(1.send(:<=, 0.0)))
     assert_raise(ArgumentError) { 1.send(:<=, nil) }
   end
+
+  class DummyNumeric < Numeric
+    def to_int
+      1
+    end
+  end
+
+  def test_and_with_float
+    assert_raise(TypeError) { 1 & 1.5 }
+  end
+
+  def test_and_with_rational
+    assert_raise(TypeError, "#1792") { 1 & Rational(3, 2) }
+  end
+
+  def test_and_with_nonintegral_numeric
+    assert_raise(TypeError, "#1792") { 1 & DummyNumeric.new }
+  end
+
+  def test_or_with_float
+    assert_raise(TypeError) { 1 | 1.5 }
+  end
+
+  def test_or_with_rational
+    assert_raise(TypeError, "#1792") { 1 | Rational(3, 2) }
+  end
+
+  def test_or_with_nonintegral_numeric
+    assert_raise(TypeError, "#1792") { 1 | DummyNumeric.new }
+  end
+
+  def test_xor_with_float
+    assert_raise(TypeError) { 1 ^ 1.5 }
+  end
+
+  def test_xor_with_rational
+    assert_raise(TypeError, "#1792") { 1 ^ Rational(3, 2) }
+  end
+
+  def test_xor_with_nonintegral_numeric
+    assert_raise(TypeError, "#1792") { 1 ^ DummyNumeric.new }
+  end
 end