From 12b2e16e21bbd7f0b6fd12c7e21cba4d42e284ad Mon Sep 17 00:00:00 2001 From: naruse Date: Thu, 1 Apr 2010 04:32:57 +0000 Subject: * sprintf.c (rb_str_format): support %a format. [ruby-dev:40650] * missing/vsnprintf.c (BSD_vfprintf): ditto. * missing/vsnprintf.c (cvt): ditto. * util.c (BSD__hdtoa): added. This is 2-clause BSDL licensed by David Schultz and from FreeBSD. * LEGAL: add about hdtoa() in util.c. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27141 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- test/ruby/test_sprintf.rb | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'test/ruby') diff --git a/test/ruby/test_sprintf.rb b/test/ruby/test_sprintf.rb index 15424d98ac..f8dbbd511e 100644 --- a/test/ruby/test_sprintf.rb +++ b/test/ruby/test_sprintf.rb @@ -191,6 +191,19 @@ class TestSprintf < Test::Unit::TestCase assert_equal(" Inf", sprintf("% 0e", 1.0/0.0), "moved from btest/knownbug") end + def test_float_hex + assert_equal("-0x0p+0", sprintf("%a", -0.0)) + assert_equal("0x0p+0", sprintf("%a", 0.0)) + assert_equal("0x1p-1", sprintf("%a", 0.5)) + assert_equal("0x1p+0", sprintf("%a", 1.0)) + assert_equal("0x1p+1", sprintf("%a", 2.0)) + assert_equal("0x1.193ea7aad030ap+0", sprintf("%a", Math.log(3))) + assert_equal("0X1.193EA7AAD030AP+0", sprintf("%A", Math.log(3))) + assert_equal("0x1p+10", sprintf("%a", 1024)) + assert_equal("0x1.23456p+789", sprintf("%a", 3.704450999893983e+237)) + assert_equal("0x1p-1074", sprintf("%a", 4.9e-324)) + end + BSIZ = 120 def test_skip -- cgit v1.2.3