diff options
author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-07-10 04:54:53 +0000 |
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committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-07-10 04:54:53 +0000 |
commit | 53e39507ec90d9483867d83830c2691a04ccdfef (patch) | |
tree | 17fe1420a6f19031327c61dc834b82a1d7eb2e3e /test | |
parent | eefd66e46bdccf1a2fca40f2bc7f27b8cf8e8f2d (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_7@17989 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-rw-r--r-- | test/ruby/test_float.rb | 34 |
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 |