1 files changed, 81 insertions, 18 deletions

diff --git a/test/ruby/test_encoding.rb b/test/ruby/test_encoding.rb
index ef2dc39c4d..0cd5bf49dc 100644
--- a/test/ruby/test_encoding.rb
+++ b/test/ruby/test_encoding.rb
@@ -1,5 +1,5 @@
+# frozen_string_literal: false
 require 'test/unit'
-require_relative 'envutil'
 
 class TestEncoding < Test::Unit::TestCase
 
@@ -22,7 +22,7 @@ class TestEncoding < Test::Unit::TestCase
     aliases.each do |a, en|
       e = Encoding.find(a)
       assert_equal(e.name, en)
-      assert(e.names.include?(a))
+      assert_include(e.names, a)
     end
   end
 
@@ -33,7 +33,7 @@ class TestEncoding < Test::Unit::TestCase
     encodings.each do |e|
       assert_raise(TypeError) { e.dup }
       assert_raise(TypeError) { e.clone }
-      assert_equal(e.object_id, Marshal.load(Marshal.dump(e)).object_id)
+      assert_same(e, Marshal.load(Marshal.dump(e)))
     end
   end
 
@@ -55,14 +55,6 @@ class TestEncoding < Test::Unit::TestCase
     assert_raise(TypeError, bug5150) {Encoding.find(1)}
   end
 
-  def test_replicate
-    assert_instance_of(Encoding, Encoding::UTF_8.replicate('UTF-8-ANOTHER'))
-    assert_instance_of(Encoding, Encoding::ISO_2022_JP.replicate('ISO-2022-JP-ANOTHER'))
-    bug3127 = '[ruby-dev:40954]'
-    assert_raise(TypeError, bug3127) {Encoding::UTF_8.replicate(0)}
-    assert_raise(ArgumentError, bug3127) {Encoding::UTF_8.replicate("\0")}
-  end
-
   def test_dummy_p
     assert_equal(true, Encoding::ISO_2022_JP.dummy?)
     assert_equal(false, Encoding::UTF_8.dummy?)
@@ -85,8 +77,8 @@ class TestEncoding < Test::Unit::TestCase
   def test_aliases
     assert_instance_of(Hash, Encoding.aliases)
     Encoding.aliases.each do |k, v|
-      assert(Encoding.name_list.include?(k))
-      assert(Encoding.name_list.include?(v))
+      assert_include(Encoding.name_list, k)
+      assert_include(Encoding.name_list, v)
       assert_instance_of(String, k)
       assert_instance_of(String, v)
     end
@@ -100,11 +92,6 @@ class TestEncoding < Test::Unit::TestCase
     assert_equal(str, str2, '[ruby-dev:38596]')
   end
 
-  def test_unsafe
-    bug5279 = '[ruby-dev:44469]'
-    assert_ruby_status([], '$SAFE=4; "a".encode("utf-16be")', bug5279)
-  end
-
   def test_compatible_p
     ua = "abc".force_encoding(Encoding::UTF_8)
     assert_equal(Encoding::UTF_8, Encoding.compatible?(ua, :abc))
@@ -112,5 +99,81 @@ class TestEncoding < Test::Unit::TestCase
     bin = "a".force_encoding(Encoding::ASCII_8BIT)
     asc = "b".force_encoding(Encoding::US_ASCII)
     assert_equal(Encoding::ASCII_8BIT, Encoding.compatible?(bin, asc))
+    bin = "\xff".force_encoding(Encoding::ASCII_8BIT).to_sym
+    asc = "b".force_encoding(Encoding::ASCII_8BIT)
+    assert_equal(Encoding::ASCII_8BIT, Encoding.compatible?(bin, asc))
+    assert_equal(Encoding::UTF_8, Encoding.compatible?("\u{3042}".to_sym, ua.to_sym))
+  end
+
+  def test_errinfo_after_autoload
+    assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}")
+    bug9038 = '[ruby-core:57949] [Bug #9038]'
+    begin;
+      e = assert_raise_with_message(SyntaxError, /unknown regexp option - Q/, bug9038) {
+        eval("/regexp/sQ")
+      }
+      assert_include(e.message, "/regexp/sQ\n")
+    end;
+  end
+
+  def test_nonascii_library_path
+    assert_separately([], "#{<<~"begin;"}\n#{<<~'end;'}".force_encoding("US-ASCII"))
+    begin;
+      assert_equal(Encoding::US_ASCII, __ENCODING__)
+      $:.unshift("/\x80")
+      assert_raise_with_message(LoadError, /\[Bug #16382\]/) do
+        require "[Bug #16382]"
+      end
+    end;
+  end
+
+  def test_ractor_load_encoding
+    assert_ractor("#{<<~"begin;"}\n#{<<~'end;'}")
+    begin;
+      Ractor.new{}.join
+      $-w = nil
+      Encoding.default_external = Encoding::ISO8859_2
+      assert "[Bug #19562]"
+    end;
+  end
+
+  def test_ractor_lazy_load_encoding_concurrently
+    assert_ractor("#{<<~"begin;"}\n#{<<~'end;'}")
+    begin;
+      rs = []
+      autoload_encodings = Encoding.list.select { |e| e.inspect.include?("(autoload)") }.freeze
+      7.times do
+        rs << Ractor.new(autoload_encodings) do |encodings|
+          str = "abc".dup
+          encodings.each do |enc|
+            str.force_encoding(enc)
+          end
+        end
+      end
+      while rs.any?
+        r, _obj = Ractor.select(*rs)
+        rs.delete(r)
+      end
+      assert_empty rs
+    end;
+  end
+
+  def test_ractor_set_default_external_string
+    assert_ractor("#{<<~"begin;"}\n#{<<~'end;'}")
+    begin;
+    $-w = nil
+    rs = []
+    7.times do |i|
+      rs << Ractor.new(i) do |i|
+        Encoding.default_external = "us-ascii"
+      end
+    end
+
+    while rs.any?
+      r, _obj = Ractor.select(*rs)
+      rs.delete(r)
+    end
+    assert_empty rs
+    end;
   end
 end