From 576bdec03f0d58847690a0607c788ada433ce60f Mon Sep 17 00:00:00 2001 From: Nobuyoshi Nakada Date: Tue, 30 Aug 2022 18:12:08 +0900 Subject: [Bug #18973] Promote US-ASCII to ASCII-8BIT when adding 8-bit char --- test/ruby/test_sprintf.rb | 3 +++ 1 file changed, 3 insertions(+) (limited to 'test/ruby') diff --git a/test/ruby/test_sprintf.rb b/test/ruby/test_sprintf.rb index 803399fdb3..c453ecd350 100644 --- a/test/ruby/test_sprintf.rb +++ b/test/ruby/test_sprintf.rb @@ -369,6 +369,9 @@ class TestSprintf < Test::Unit::TestCase assert_equal(" " * BSIZ + "a", sprintf("%#{ BSIZ + 1 }c", ?a)) assert_equal("a" + " " * BSIZ, sprintf("%-#{ BSIZ + 1 }c", ?a)) assert_raise(ArgumentError) { sprintf("%c", -1) } + s = sprintf("%c".encode(Encoding::US_ASCII), 0x80) + assert_equal("\x80".b, s) + assert_predicate(s, :valid_encoding?) end def test_string -- cgit v1.2.3