From 69f9992ed41920389d4185141a14f02f89a4d306 Mon Sep 17 00:00:00 2001 From: usa Date: Tue, 12 Apr 2022 11:49:45 +0000 Subject: Fix dtoa buffer overrun git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_6@67957 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/ruby/test_float.rb | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'test/ruby/test_float.rb') diff --git a/test/ruby/test_float.rb b/test/ruby/test_float.rb index 3453440694..0b2e4df05b 100644 --- a/test/ruby/test_float.rb +++ b/test/ruby/test_float.rb @@ -171,6 +171,24 @@ class TestFloat < Test::Unit::TestCase assert_raise(ArgumentError, n += z + "A") {Float(n)} assert_raise(ArgumentError, n += z + ".0") {Float(n)} end + + x = nil + 2000.times do + x = Float("0x"+"0"*30) + break unless x == 0.0 + end + assert_equal(0.0, x, ->{"%a" % x}) + x = nil + 2000.times do + begin + x = Float("0x1."+"0"*270) + rescue ArgumentError => e + raise unless /"0x1\.0{270}"/ =~ e.message + else + break + end + end + assert_nil(x, ->{"%a" % x}) end def test_divmod -- cgit v1.2.1