* numeric.c (flo_cmp): honor the result of infinite? method of the

  other.  [ruby-core:31470]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28751 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 14 insertions, 0 deletions

diff --git a/test/ruby/test_float.rb b/test/ruby/test_float.rb
index 5f3e98a6fd..a8ce76edbc 100644
--- a/test/ruby/test_float.rb
+++ b/test/ruby/test_float.rb
@@ -242,6 +242,20 @@ class TestFloat < Test::Unit::TestCase
     assert_equal(-1, (Float::MAX.to_i*2) <=> inf)
     assert_equal(1, (-Float::MAX.to_i*2) <=> -inf)
 
+    bug3609 = '[ruby-core:31470]'
+    def (pinf = Object.new).infinite?; +1 end
+    def (ninf = Object.new).infinite?; -1 end
+    def (fin = Object.new).infinite?; nil end
+    nonum = Object.new
+    assert_equal(0, inf <=> pinf, bug3609)
+    assert_equal(1, inf <=> fin, bug3609)
+    assert_equal(1, inf <=> ninf, bug3609)
+    assert_nil(inf <=> nonum, bug3609)
+    assert_equal(-1, -inf <=> pinf, bug3609)
+    assert_equal(-1, -inf <=> fin, bug3609)
+    assert_equal(0, -inf <=> ninf, bug3609)
+    assert_nil(-inf <=> nonum, bug3609)
+
     assert_raise(ArgumentError) { 1.0 > nil }
     assert_raise(ArgumentError) { 1.0 >= nil }
     assert_raise(ArgumentError) { 1.0 < nil }