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authorshyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-07-10 04:52:35 +0000
committershyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2008-07-10 04:52:35 +0000
commitd83a42aac2319b70a4e9a163dd619aca085ec1c4 (patch)
treed379f9d206970c8805303f26853bd3540062e1a8 /test
parent7696697469d974ee602b4d61dbb9a0b6c936a736 (diff)
merge revision(s) 17842:
* include/ruby/ruby.h (POSFIXABLE): use FIXNUM_MAX+1 instead of FIXNUM_MAX to make it possible to convert to double accurately. It assumes FLT_RADIX is 2. fix RubyForge bug #14102. backported from 1.9. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_6@17987 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r--test/ruby/test_float.rb34
1 files changed, 34 insertions, 0 deletions
diff --git a/test/ruby/test_float.rb b/test/ruby/test_float.rb
index d559ce5cab..cbc6a7886b 100644
--- a/test/ruby/test_float.rb
+++ b/test/ruby/test_float.rb
@@ -110,4 +110,38 @@ class TestFloat < Test::Unit::TestCase
assert_equal(-3.5, (-11.5).remainder(4))
assert_equal(-3.5, (-11.5).remainder(-4))
end
+
+ def test_to_i
+ assert_operator(4611686018427387905.0.to_i, :>, 0)
+ assert_operator(4611686018427387904.0.to_i, :>, 0)
+ assert_operator(4611686018427387903.8.to_i, :>, 0)
+ assert_operator(4611686018427387903.5.to_i, :>, 0)
+ assert_operator(4611686018427387903.2.to_i, :>, 0)
+ assert_operator(4611686018427387903.0.to_i, :>, 0)
+ assert_operator(4611686018427387902.0.to_i, :>, 0)
+
+ assert_operator(1073741825.0.to_i, :>, 0)
+ assert_operator(1073741824.0.to_i, :>, 0)
+ assert_operator(1073741823.8.to_i, :>, 0)
+ assert_operator(1073741823.5.to_i, :>, 0)
+ assert_operator(1073741823.2.to_i, :>, 0)
+ assert_operator(1073741823.0.to_i, :>, 0)
+ assert_operator(1073741822.0.to_i, :>, 0)
+
+ assert_operator((-1073741823.0).to_i, :<, 0)
+ assert_operator((-1073741824.0).to_i, :<, 0)
+ assert_operator((-1073741824.2).to_i, :<, 0)
+ assert_operator((-1073741824.5).to_i, :<, 0)
+ assert_operator((-1073741824.8).to_i, :<, 0)
+ assert_operator((-1073741825.0).to_i, :<, 0)
+ assert_operator((-1073741826.0).to_i, :<, 0)
+
+ assert_operator((-4611686018427387903.0).to_i, :<, 0)
+ assert_operator((-4611686018427387904.0).to_i, :<, 0)
+ assert_operator((-4611686018427387904.2).to_i, :<, 0)
+ assert_operator((-4611686018427387904.5).to_i, :<, 0)
+ assert_operator((-4611686018427387904.8).to_i, :<, 0)
+ assert_operator((-4611686018427387905.0).to_i, :<, 0)
+ assert_operator((-4611686018427387906.0).to_i, :<, 0)
+ end
end