3 files changed, 24 insertions, 82 deletions
diff --git a/spec/ruby/core/encoding/ascii_compatible_spec.rb b/spec/ruby/core/encoding/ascii_compatible_spec.rb
index 4804300e85..bbcc6add9e 100644
--- a/spec/ruby/core/encoding/ascii_compatible_spec.rb
+++ b/spec/ruby/core/encoding/ascii_compatible_spec.rb
@@ -8,4 +8,15 @@ describe "Encoding#ascii_compatible?" do
   it "returns false if self does not represent an ASCII-compatible encoding" do
     Encoding::UTF_16LE.ascii_compatible?.should be_false
   end
+
+  it "returns false for UTF_16 and UTF_32" do
+    Encoding::UTF_16.should_not.ascii_compatible?
+    Encoding::UTF_32.should_not.ascii_compatible?
+  end
+
+  it "is always false for dummy encodings" do
+    Encoding.list.select(&:dummy?).each do |encoding|
+      encoding.should_not.ascii_compatible?
+    end
+  end
 end
diff --git a/spec/ruby/core/encoding/dummy_spec.rb b/spec/ruby/core/encoding/dummy_spec.rb
index 75ffcd5a4e..77caebca9a 100644
--- a/spec/ruby/core/encoding/dummy_spec.rb
+++ b/spec/ruby/core/encoding/dummy_spec.rb
@@ -11,4 +11,15 @@ describe "Encoding#dummy?" do
     Encoding::CP50221.dummy?.should be_true
     Encoding::UTF_7.dummy?.should be_true
   end
+
+  it "returns true for UTF_16 and UTF_32" do
+    Encoding::UTF_16.should.dummy?
+    Encoding::UTF_32.should.dummy?
+  end
+
+  it "implies not #ascii_compatible?" do
+    Encoding.list.select(&:dummy?).each do |encoding|
+      encoding.should_not.ascii_compatible?
+    end
+  end
 end
diff --git a/spec/ruby/core/encoding/replicate_spec.rb b/spec/ruby/core/encoding/replicate_spec.rb
index 2da998837f..9fe0ba8747 100644
--- a/spec/ruby/core/encoding/replicate_spec.rb
+++ b/spec/ruby/core/encoding/replicate_spec.rb
@@ -2,87 +2,7 @@
 require_relative '../../spec_helper'
 
 describe "Encoding#replicate" do
-  ruby_version_is ""..."3.3" do
-    before :all do
-      @i = 0
-    end
-
-    before :each do
-      @i += 1
-      @prefix = "RS#{@i}"
-    end
-
-    it "returns a replica of ASCII" do
-      name = @prefix + '-ASCII'
-      e = suppress_warning { Encoding::ASCII.replicate(name) }
-      e.name.should == name
-      Encoding.find(name).should == e
-
-      "a".dup.force_encoding(e).valid_encoding?.should be_true
-      "\x80".dup.force_encoding(e).valid_encoding?.should be_false
-    end
-
-    it "returns a replica of UTF-8" do
-      name = @prefix + 'UTF-8'
-      e = suppress_warning { Encoding::UTF_8.replicate(name) }
-      e.name.should == name
-      Encoding.find(name).should == e
-
-      "a".dup.force_encoding(e).valid_encoding?.should be_true
-      "\u3042".dup.force_encoding(e).valid_encoding?.should be_true
-      "\x80".dup.force_encoding(e).valid_encoding?.should be_false
-    end
-
-    it "returns a replica of UTF-16BE" do
-      name = @prefix + 'UTF-16-BE'
-      e = suppress_warning { Encoding::UTF_16BE.replicate(name) }
-      e.name.should == name
-      Encoding.find(name).should == e
-
-      "a".dup.force_encoding(e).valid_encoding?.should be_false
-      "\x30\x42".dup.force_encoding(e).valid_encoding?.should be_true
-      "\x80".dup.force_encoding(e).valid_encoding?.should be_false
-    end
-
-    it "returns a replica of ISO-2022-JP" do
-      name = @prefix + 'ISO-2022-JP'
-      e = suppress_warning { Encoding::ISO_2022_JP.replicate(name) }
-      Encoding.find(name).should == e
-
-      e.name.should == name
-      e.dummy?.should be_true
-    end
-
-    # NOTE: it's unclear of the value of this (for the complexity cost of it),
-    # but it is the current CRuby behavior.
-    it "can be associated with a String" do
-      name = @prefix + '-US-ASCII'
-      e = suppress_warning { Encoding::US_ASCII.replicate(name) }
-      e.name.should == name
-      Encoding.find(name).should == e
-
-      s = "abc".dup.force_encoding(e)
-      s.encoding.should == e
-      s.encoding.name.should == name
-    end
-  end
-
-  ruby_version_is ""..."3.3" do
-    it "warns about deprecation" do
-      -> {
-        Encoding::US_ASCII.replicate('MY-US-ASCII')
-      }.should complain(/warning: Encoding#replicate is deprecated and will be removed in Ruby 3.3; use the original encoding instead/)
-    end
-
-    it "raises EncodingError if too many encodings" do
-      code = '1_000.times {|i| Encoding::US_ASCII.replicate("R_#{i}") }'
-      ruby_exe(code, args: "2>&1", exit_status: 1).should.include?('too many encoding (> 256) (EncodingError)')
-    end
-  end
-
-  ruby_version_is "3.3" do
-    it "has been removed" do
-      Encoding::US_ASCII.should_not.respond_to?(:replicate, true)
-    end
+  it "has been removed" do
+    Encoding::US_ASCII.should_not.respond_to?(:replicate, true)
   end
 end