[Bug #20719] Float argument must be ASCII compatible

nobu · nobu · commit c1862cbb89a6 · 2024-09-07T16:06:14.000+09:00
diff --git a/object.c b/object.c
@@ -3530,6 +3530,7 @@ rb_str_to_dbl_raise(VALUE str, int badcheck, int raise, int *error)
     VALUE v = 0;
 
     StringValue(str);
+    rb_must_asciicompat(str);
     s = RSTRING_PTR(str);
     len = RSTRING_LEN(str);
     if (s) {
diff --git a/test/ruby/test_float.rb b/test/ruby/test_float.rb
@@ -850,6 +850,12 @@ def test_Float
     o = Object.new
     def o.to_f; inf = Float::INFINITY; inf/inf; end
     assert_predicate(Float(o), :nan?)
+
+    assert_raise(Encoding::CompatibilityError) {Float("0".encode("utf-16be"))}
+    assert_raise(Encoding::CompatibilityError) {Float("0".encode("utf-16le"))}
+    assert_raise(Encoding::CompatibilityError) {Float("0".encode("utf-32be"))}
+    assert_raise(Encoding::CompatibilityError) {Float("0".encode("utf-32le"))}
+    assert_raise(Encoding::CompatibilityError) {Float("0".encode("iso-2022-jp"))}
   end
 
   def test_invalid_str
