From cf7d07570f50ef9c16007019afcff11ba6500d70 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Fri, 22 Jul 2022 09:54:57 +0900
Subject: [PATCH] Dump non-ASCII char as unsigned
Non-ASCII code may be negative on platforms plain char is signed.
---
ext/objspace/objspace_dump.c | 2 +-
test/objspace/test_objspace.rb | 15 +++++++++++++++
2 files changed, 16 insertions(+), 1 deletion(-)
diff --git a/ext/objspace/objspace_dump.c b/ext/objspace/objspace_dump.c
index e4f1216a9a..24a2b0b245 100644
--- a/ext/objspace/objspace_dump.c
+++ b/ext/objspace/objspace_dump.c
@@ -142,7 +142,7 @@ dump_append_sizet(struct dump_config *dc, const size_t number)
}
static void
-dump_append_c(struct dump_config *dc, char c)
+dump_append_c(struct dump_config *dc, unsigned char c)
{
if (c <= 0x1f) {
const unsigned int width = (sizeof(c) * CHAR_BIT / 4) + 5;
diff --git a/test/objspace/test_objspace.rb b/test/objspace/test_objspace.rb
index 1392447e4f..3b90319858 100644
--- a/test/objspace/test_objspace.rb
+++ b/test/objspace/test_objspace.rb
@@ -725,4 +725,19 @@ class TestObjSpace < Test::Unit::TestCase
assert_equal '42', out[2]
end
end
+
+ def test_utf8_method_names
+ name = "utf8_❨╯°□°❩╯︵┻━┻"
+ obj = ObjectSpace.trace_object_allocations do
+ __send__(name)
+ end
+ dump = ObjectSpace.dump(obj)
+ assert_equal name, JSON.parse(dump)["method"], dump
+ end
+
+ private
+
+ def utf8_❨╯°□°❩╯︵┻━┻
+ "1#{2}"
+ end
end