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authorusa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-11-11 22:37:54 +0000
committerusa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-11-11 22:37:54 +0000
commit972c6abfca5e0a323d6c35b5aeadde814fb6036f (patch)
treed70061c4ffb2b9e060985fb93fe16465ef4348b2 /test
parenta240b37c74876507f8ed8d0cd122bf4b42825bb3 (diff)
merge revision(s) 53533: [Backport #12895]
* sprintf.c (rb_str_format): format exact number more exactly. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@56728 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test')
-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 ff4f9a5631..d429ef0ddc 100644
--- a/test/ruby/test_sprintf.rb
+++ b/test/ruby/test_sprintf.rb
@@ -148,6 +148,11 @@ 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))