diff options
Diffstat (limited to 'test/ruby/test_sprintf.rb')
| -rw-r--r-- | test/ruby/test_sprintf.rb | 13 |
1 files changed, 13 insertions, 0 deletions
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 |