3 files changed, 9 insertions, 5 deletions
diff --git a/test/soap/marshal/test_marshal.rb b/test/soap/marshal/test_marshal.rb
index 9ae08c68d8..d530c06c24 100644
--- a/test/soap/marshal/test_marshal.rb
+++ b/test/soap/marshal/test_marshal.rb
@@ -205,7 +205,7 @@ module MarshalTestLib
     marshal_equal(1.0/0.0)
     marshal_equal(-1.0/0.0)
     marshal_equal(0.0/0.0) {|o| o.nan?}
-    marshal_equal(-0.0) {|o| 1.0/o}
+    marshal_equal(-1.0 / (1.0 / 0.0)) {|o| 1.0/o}	# -0.0
   end
 
   def test_float_ivar
diff --git a/test/soap/test_basetype.rb b/test/soap/test_basetype.rb
index a00f0f549c..7a77946c2c 100644
--- a/test/soap/test_basetype.rb
+++ b/test/soap/test_basetype.rb
@@ -6,6 +6,8 @@ module SOAP
 
 
 class TestSOAP < Test::Unit::TestCase
+  NegativeZero = (-1.0 / (1.0 / 0.0))
+
   def setup
     # Nothing to do.
   end
@@ -189,7 +191,7 @@ class TestSOAP < Test::Unit::TestCase
     end
 
     assert_equal("+0", SOAP::SOAPFloat.new(+0.0).to_s)
-    assert_equal("-0", SOAP::SOAPFloat.new(-0.0).to_s)
+    assert_equal("-0", SOAP::SOAPFloat.new(NegativeZero).to_s)
     assert(SOAP::SOAPFloat.new(0.0/0.0).data.nan?)
     assert_equal("INF", SOAP::SOAPFloat.new(1.0/0.0).to_s)
     assert_equal(1, SOAP::SOAPFloat.new(1.0/0.0).data.infinite?)
@@ -254,7 +256,7 @@ class TestSOAP < Test::Unit::TestCase
     end
 
     assert_equal("+0", SOAP::SOAPFloat.new(+0.0).to_s)
-    assert_equal("-0", SOAP::SOAPFloat.new(-0.0).to_s)
+    assert_equal("-0", SOAP::SOAPFloat.new(NegativeZero).to_s)
     assert_equal("NaN", SOAP::SOAPDouble.new(0.0/0.0).to_s)
     assert(SOAP::SOAPDouble.new(0.0/0.0).data.nan?)
     assert_equal("INF", SOAP::SOAPDouble.new(1.0/0.0).to_s)
diff --git a/test/xsd/test_xsd.rb b/test/xsd/test_xsd.rb
index 9b3a7f0f1f..db38aee7ca 100644
--- a/test/xsd/test_xsd.rb
+++ b/test/xsd/test_xsd.rb
@@ -6,6 +6,8 @@ module XSD
 
 
 class TestXSD < Test::Unit::TestCase
+  NegativeZero = (-1.0 / (1.0 / 0.0))
+
   def setup
   end
 
@@ -222,7 +224,7 @@ class TestXSD < Test::Unit::TestCase
     end
 
     assert_equal("+0", XSD::XSDFloat.new(+0.0).to_s)
-    assert_equal("-0", XSD::XSDFloat.new(-0.0).to_s)
+    assert_equal("-0", XSD::XSDFloat.new(NegativeZero).to_s)
     assert(XSD::XSDFloat.new(0.0/0.0).data.nan?)
     assert_equal("INF", XSD::XSDFloat.new(1.0/0.0).to_s)
     assert_equal(1, XSD::XSDFloat.new(1.0/0.0).data.infinite?)
@@ -287,7 +289,7 @@ class TestXSD < Test::Unit::TestCase
     end
 
     assert_equal("+0", XSD::XSDFloat.new(+0.0).to_s)
-    assert_equal("-0", XSD::XSDFloat.new(-0.0).to_s)
+    assert_equal("-0", XSD::XSDFloat.new(NegativeZero).to_s)
     assert_equal("NaN", XSD::XSDDouble.new(0.0/0.0).to_s)
     assert(XSD::XSDDouble.new(0.0/0.0).data.nan?)
     assert_equal("INF", XSD::XSDDouble.new(1.0/0.0).to_s)