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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-01-14 07:12:42 +0000
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-01-14 07:12:42 +0000
commit1301d1f5bccc10daf93c816ef4e177776d0668de (patch)
tree38f15641d13146e01993ba98698834349bb05f6f /test/ruby
parented11f4b4b5fbc3ae059cab582f054518f60f9e74 (diff)
sprintf.c: exact number
* sprintf.c (rb_str_format): format exact number more exactly. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@53533 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby')
-rw-r--r--test/ruby/test_sprintf.rb5
1 files changed, 5 insertions, 0 deletions
diff --git a/test/ruby/test_sprintf.rb b/test/ruby/test_sprintf.rb
index 714ef8b4e2..e196e7cfbd 100644
--- a/test/ruby/test_sprintf.rb
+++ b/test/ruby/test_sprintf.rb
@@ -149,6 +149,11 @@ class TestSprintf < Test::Unit::TestCase
assert_equal(" Inf", sprintf("% e", inf), '[ruby-dev:34002]')
end
+ def test_bignum
+ assert_match(/\A10{120}\.0+\z/, sprintf("%f", 100**60))
+ assert_match(/\A10{180}\.0+\z/, sprintf("%f", 1000**60))
+ end
+
def test_rational
assert_match(/\A0\.10+\z/, sprintf("%.60f", 0.1r))
assert_match(/\A0\.010+\z/, sprintf("%.60f", 0.01r))