jruby · enebo · Sep 4, 2025 · Sep 4, 2025 · Sep 4, 2025 · Sep 4, 2025
diff --git a/...n/GH-3155_array_map_with_mutation_spec.rb → spec/jruby/core/array/map_spec.rb b/...n/GH-3155_array_map_with_mutation_spec.rb → spec/jruby/core/array/map_spec.rb
@@ -1,3 +1,4 @@
+# GH-3155
 describe "Array#map with delete inside the loop" do
  it "must not produce invalid array contents" do
    array = [1, 2, 3]

diff --git a/...repeated_permutation_requires_arg_spec.rb → ...y/core/array/repeated_permutation_spec.rb b/...repeated_permutation_requires_arg_spec.rb → ...y/core/array/repeated_permutation_spec.rb
@@ -4,4 +4,4 @@
  it "has arity one" do
    expect([].method(:repeated_permutation).arity).to eq(1)
  end
-end if RUBY_VERSION >= "1.9"
+end
diff --git a/...Y-6933_cow_string_split_by_string_spec.rb → spec/jruby/core/array/split_spec.rb b/...Y-6933_cow_string_split_by_string_spec.rb → spec/jruby/core/array/split_spec.rb
diff --git a/...regression/core/enumerable/reject_spec.rb → spec/jruby/core/enumerable/reject_spec.rb b/...regression/core/enumerable/reject_spec.rb → spec/jruby/core/enumerable/reject_spec.rb
diff --git a/...ion/enum_with_object_yield_return_spec.rb → ...jruby/core/enumerator/with_object_spec.rb b/...ion/enum_with_object_yield_return_spec.rb → ...jruby/core/enumerator/with_object_spec.rb
diff --git a/...H-1726_File_read_raises_an_enoent_spec.rb → spec/jruby/core/file/read_spec.rb b/...H-1726_File_read_raises_an_enoent_spec.rb → spec/jruby/core/file/read_spec.rb
diff --git a/...on/JRUBY-6702_utime_ignores_errno_spec.rb → spec/jruby/core/file/utime_spec.rb b/...on/JRUBY-6702_utime_ignores_errno_spec.rb → spec/jruby/core/file/utime_spec.rb
diff --git a/...4029_Hash_aref_with_string_dedefd_spec.rb → spec/jruby/core/hash/aref_spec.rb b/...4029_Hash_aref_with_string_dedefd_spec.rb → spec/jruby/core/hash/aref_spec.rb
diff --git a/...when_keys_and_values_are_the_same_spec.rb → spec/jruby/core/hash/hash_spec.rb b/...when_keys_and_values_are_the_same_spec.rb → spec/jruby/core/hash/hash_spec.rb
diff --git a/spec/regression/JRUBY-5302_spec.rb → spec/jruby/core/hash/map_spec.rb b/spec/regression/JRUBY-5302_spec.rb → spec/jruby/core/hash/map_spec.rb
diff --git a/...03_copy_stream_for_non_file_input_spec.rb → spec/jruby/core/io/copy_stream_spec.rb b/...03_copy_stream_for_non_file_input_spec.rb → spec/jruby/core/io/copy_stream_spec.rb
diff --git a/...on/JRUBY-5946_IO_select_write_nil_spec.rb → spec/jruby/core/io/pipe_spec.rb b/...on/JRUBY-5946_IO_select_write_nil_spec.rb → spec/jruby/core/io/pipe_spec.rb
diff --git a/spec/regression/GH-6864_spec.rb → spec/jruby/core/range/include_spec.rb b/spec/regression/GH-6864_spec.rb → spec/jruby/core/range/include_spec.rb
@@ -1,5 +1,6 @@
 require 'rspec'

+# GH-6864
 # JRuby has separate codepaths for 1 char and >1 char.
 describe "A Range of strings >1 char long" do
  it "works" do

diff --git a/spec/jruby/core/string/casecmp_spec.rb b/spec/jruby/core/string/casecmp_spec.rb
@@ -0,0 +1,13 @@
+# https://github.com/jruby/jruby/issues/1675
+describe 'String#casecmp' do
+  it 'returns correct value' do
+    Encoding.list.each do |enc|
+      next if enc.dummy?
+
+      # using "UTF-16LE", "UTF-8", "Shift_JIS", and other available encodings
+      a = 'ABC'.encode(enc)
+      b = 'ABC'.encode(enc)
+      expect(b.casecmp(a)).to be_truthy
+    end
+  end
+end
diff --git a/spec/regression/string_crypt_spec.rb → spec/jruby/core/string/crypt_spec.rb b/spec/regression/string_crypt_spec.rb → spec/jruby/core/string/crypt_spec.rb
@@ -1,6 +1,7 @@
 require 'rspec'

 describe "shared string generated by crypt" do
+  # This split will have the same byte-backed buffer because of COW
  subject {
    'abc,def,ghi'.split(',')
  }

diff --git a/..._string_with_high_bytes_each_char_spec.rb → spec/jruby/core/string/each_char_spec.rb b/..._string_with_high_bytes_each_char_spec.rb → spec/jruby/core/string/each_char_spec.rb
@@ -7,4 +7,4 @@
    expect(ary.length).to eq 6
    expect(ary).to eq(['M', "\xA1", 'x', 'i', 'c', 'o'].map{|c| c.force_encoding('ASCII')})
  end
-end unless RUBY_VERSION < '1.9'
+end
diff --git a/...aracter_transcode_should_not_hang_spec.rb → spec/jruby/core/string/encode_spec.rb b/...aracter_transcode_should_not_hang_spec.rb → spec/jruby/core/string/encode_spec.rb
@@ -1,4 +1,15 @@
+# coding: utf-8
+
 require 'base64'
+require 'rspec'
+
+# https://github.com/jruby/jruby/issues/3402
+describe 'String#encode with :replace option' do
+  it 'returns correct value' do
+    str = "testing\xC2".encode("UTF-8", :invalid => :replace, :undef => :replace, :replace => "foo123")
+    expect(str).to eq "testingfoo123"
+  end
+end

 describe "A badly-encoded UTF-8 String reencoded with replacements as UTF-16 " do
  it "completes for all inputs" do
@@ -12,4 +23,4 @@
      expect(data).to_not eq(nil)
    end
  end
-end unless RUBY_VERSION.index('1.8') == 0
+end
diff --git a/...erts_to_usascii_formatting_string_spec.rb → spec/jruby/core/string/format_spec.rb b/...erts_to_usascii_formatting_string_spec.rb → spec/jruby/core/string/format_spec.rb
@@ -7,5 +7,5 @@
    expect(formatted).to eq("1 ø")
    expect(formatted.encoding).to eq(Encoding::UTF_8)
  end
-end if RUBY_VERSION >= '1.9'
+end

diff --git a/...sion/JRUBY-6863_index_after_slice_spec.rb → spec/jruby/core/string/index_spec.rb b/...sion/JRUBY-6863_index_after_slice_spec.rb → spec/jruby/core/string/index_spec.rb
@@ -1,5 +1,19 @@
-# -*- coding: utf-8 -*-
-require 'rspec'
+# encoding: utf-8
+# GH-1087: String#index with regex and multi-byte characters returns wrong index
+# https://github.com/jruby/jruby/issues/1087
+
+describe 'String#index given a Regexp and an index past the last character' do
+  it "returns nil" do
+    # without multibyte
+    str = "strings - strings"
+    expect(str.index(/\b/, 18)).to eq(nil)
+
+    # with multibyte
+    str = "ßt®íngß — ßt®íngß"
+    expect(str.index(/\b/, 18)).to eq(nil)
+  end
+end
+

 describe 'JRUBY-6863' do
  let(:str) do 

diff --git a/...exp_string_match_compiles_as_utf8_spec.rb → spec/jruby/core/string/match_spec.rb b/...exp_string_match_compiles_as_utf8_spec.rb → spec/jruby/core/string/match_spec.rb
diff --git a/...4_String_setbyte_does_not_unshare_spec.rb → spec/jruby/core/string/setbyte_spec.rb b/...4_String_setbyte_does_not_unshare_spec.rb → spec/jruby/core/string/setbyte_spec.rb
diff --git a/...RUBY-6860_slice_needs_range_check_spec.rb → spec/jruby/core/string/slice_spec.rb b/...RUBY-6860_slice_needs_range_check_spec.rb → spec/jruby/core/string/slice_spec.rb
diff --git a/spec/regression/language/keywords_spec.rb → spec/jruby/language/keywords_spec.rb b/spec/regression/language/keywords_spec.rb → spec/jruby/language/keywords_spec.rb
diff --git a/...-1072_datetime_plus_overflows_int_spec.rb → spec/jruby/library/datetime/plus_spec.rb b/...-1072_datetime_plus_overflows_int_spec.rb → spec/jruby/library/datetime/plus_spec.rb
@@ -1,6 +1,7 @@
+# GH-1072
 describe "DateTime plus a numeric value larger than int range" do
  it "correctly uses long logic to do the addition" do
    date = DateTime.new(2011,1,1)
    expect(date + Rational(365,1)).to eq(DateTime.new(2012,1,1))
  end
-end
+end
diff --git a/...684_file_descriptor_channel_hangs_spec.rb → ...ibrary_attach_piped_file_descriptors_spec b/...684_file_descriptor_channel_hangs_spec.rb → ...ibrary_attach_piped_file_descriptors_spec
diff --git a/spec/regression/GH-1087_string_regexp_index_past_end_returns_nil_spec.rb b/spec/regression/GH-1087_string_regexp_index_past_end_returns_nil_spec.rb
diff --git a/spec/regression/GH-1675_casecmp_on_UTF16LE_encoded_string_spec.rb b/spec/regression/GH-1675_casecmp_on_UTF16LE_encoded_string_spec.rb
diff --git a/spec/regression/GH-3402_spec.rb b/spec/regression/GH-3402_spec.rb
diff --git a/spec/regression/random_rand_spec.rb b/spec/regression/random_rand_spec.rb