Avoid defining the same test class in multiple files

Should fix issues with parallel testing sometimes not running all
tests.

This should be viewed skipping whitespace changes.

Fixes [Bug #18731]

3 files changed, 159 insertions, 165 deletions

diff --git a/test/ruby/enc/test_emoji_breaks.rb b/test/ruby/enc/test_emoji_breaks.rb
index f1eed2a234..c96d6088f5 100644
--- a/test/ruby/enc/test_emoji_breaks.rb
+++ b/test/ruby/enc/test_emoji_breaks.rb
@@ -4,50 +4,47 @@
 require "test/unit"
 
 class TestEmojiBreaks < Test::Unit::TestCase
-end
-
-class TestEmojiBreaks::BreakTest
-  attr_reader :string, :comment, :filename, :line_number, :type, :shortname
-
-  def initialize(filename, line_number, data, comment='')
-    @filename = filename
-    @line_number = line_number
-    @comment = comment.gsub(/\s+/, ' ').strip
-    if filename=='emoji-test' or filename=='emoji-variation-sequences'
-      codes, @type = data.split(/\s*;\s*/)
-      @shortname = ''
-    else
-      codes, @type, @shortname = data.split(/\s*;\s*/)
+  class BreakTest
+    attr_reader :string, :comment, :filename, :line_number, :type, :shortname
+
+    def initialize(filename, line_number, data, comment='')
+      @filename = filename
+      @line_number = line_number
+      @comment = comment.gsub(/\s+/, ' ').strip
+      if filename=='emoji-test' or filename=='emoji-variation-sequences'
+        codes, @type = data.split(/\s*;\s*/)
+        @shortname = ''
+      else
+        codes, @type, @shortname = data.split(/\s*;\s*/)
+      end
+      @type = @type.gsub(/\s+/, ' ').strip
+      @shortname = @shortname.gsub(/\s+/, ' ').strip
+      @string = codes.split(/\s+/)
+                     .map do |ch|
+                            c = ch.to_i(16)
+                             # eliminate cases with surrogates
+                            # raise ArgumentError if 0xD800 <= c and c <= 0xDFFF
+                            c.chr('UTF-8')
+                          end.join
     end
-    @type = @type.gsub(/\s+/, ' ').strip
-    @shortname = @shortname.gsub(/\s+/, ' ').strip
-    @string = codes.split(/\s+/)
-                   .map do |ch|
-                          c = ch.to_i(16)
-                           # eliminate cases with surrogates
-                          # raise ArgumentError if 0xD800 <= c and c <= 0xDFFF
-                          c.chr('UTF-8')
-                        end.join
   end
-end
 
-class TestEmojiBreaks::BreakFile
-  attr_reader :basename, :fullname, :version
-  FILES = []
+  class BreakFile
+    attr_reader :basename, :fullname, :version
+    FILES = []
 
-  def initialize(basename, path, version)
-    @basename = basename
-    @fullname = "#{path}/#{basename}.txt" # File.expand_path(path + version, __dir__)
-    @version  = version
-    FILES << self
-  end
+    def initialize(basename, path, version)
+      @basename = basename
+      @fullname = "#{path}/#{basename}.txt" # File.expand_path(path + version, __dir__)
+      @version  = version
+      FILES << self
+    end
 
-  def self.files
-    FILES
+    def self.files
+      FILES
+    end
   end
-end
 
-class TestEmojiBreaks < Test::Unit::TestCase
   UNICODE_VERSION   = RbConfig::CONFIG['UNICODE_VERSION']
   UNICODE_DATA_PATH = File.expand_path("../../../enc/unicode/data/#{UNICODE_VERSION}/ucd/emoji", __dir__)
   EMOJI_VERSION     = RbConfig::CONFIG['UNICODE_EMOJI_VERSION']
@@ -71,86 +68,86 @@ class TestEmojiBreaks < Test::Unit::TestCase
       omit "Emoji data files not available in #{EMOJI_DATA_PATH}."
     end
   end
-end
 
-TestEmojiBreaks.data_files_available? and  class TestEmojiBreaks
-  def read_data
-    tests = []
-    EMOJI_DATA_FILES.each do |file|
-      version_mismatch = true
-      file_tests = []
-      IO.foreach(file.fullname, encoding: Encoding::UTF_8) do |line|
-        line.chomp!
-        if $.==1
-          if line=="# #{file.basename}-#{file.version}.txt"
-            version_mismatch = false
-          elsif line!="# #{file.basename}.txt"
-            raise "File Name Mismatch: line: #{line}, expected filename: #{file.basename}.txt"
+  if data_files_available?
+    def read_data
+      tests = []
+      EMOJI_DATA_FILES.each do |file|
+        version_mismatch = true
+        file_tests = []
+        IO.foreach(file.fullname, encoding: Encoding::UTF_8) do |line|
+          line.chomp!
+          if $.==1
+            if line=="# #{file.basename}-#{file.version}.txt"
+              version_mismatch = false
+            elsif line!="# #{file.basename}.txt"
+              raise "File Name Mismatch: line: #{line}, expected filename: #{file.basename}.txt"
+            end
           end
-        end
-        version_mismatch = false  if line =~ /^# Version: #{file.version}/
-        next  if line.match?(/\A(#|\z)/)
-        if line =~ /^(\h{4,6})\.\.(\h{4,6}) *(;.+)/  # deal with Unicode ranges in emoji-sequences.txt (Bug #18028)
-          range_start = $1.to_i(16)
-          range_end   = $2.to_i(16)
-          rest        = $3
-          (range_start..range_end).each do |code_point|
-            file_tests << BreakTest.new(file.basename, $., *(code_point.to_s(16)+rest).split('#', 2))
+          version_mismatch = false  if line =~ /^# Version: #{file.version}/
+          next  if line.match?(/\A(#|\z)/)
+          if line =~ /^(\h{4,6})\.\.(\h{4,6}) *(;.+)/  # deal with Unicode ranges in emoji-sequences.txt (Bug #18028)
+            range_start = $1.to_i(16)
+            range_end   = $2.to_i(16)
+            rest        = $3
+            (range_start..range_end).each do |code_point|
+              file_tests << BreakTest.new(file.basename, $., *(code_point.to_s(16)+rest).split('#', 2))
+            end
+          else
+            file_tests << BreakTest.new(file.basename, $., *line.split('#', 2))
           end
-        else
-          file_tests << BreakTest.new(file.basename, $., *line.split('#', 2))
         end
+        raise "File Version Mismatch: file: #{file.fullname}, version: #{file.version}"  if version_mismatch
+        tests += file_tests
       end
-      raise "File Version Mismatch: file: #{file.fullname}, version: #{file.version}"  if version_mismatch
-      tests += file_tests
+      tests
     end
-    tests
-  end
-
-  def all_tests
-    @@tests ||= read_data
-  rescue Errno::ENOENT
-    @@tests ||= []
-  end
 
-  def test_single_emoji
-    all_tests.each do |test|
-      expected = [test.string]
-      actual = test.string.each_grapheme_cluster.to_a
-      assert_equal expected, actual,
-        "file: #{test.filename}, line #{test.line_number}, " +
-        "type: #{test.type}, shortname: #{test.shortname}, comment: #{test.comment}"
+    def all_tests
+      @@tests ||= read_data
+    rescue Errno::ENOENT
+      @@tests ||= []
     end
-  end
 
-  def test_embedded_emoji
-    all_tests.each do |test|
-      expected = ["\t", test.string, "\t"]
-      actual = "\t#{test.string}\t".each_grapheme_cluster.to_a
-      assert_equal expected, actual,
-        "file: #{test.filename}, line #{test.line_number}, " +
-        "type: #{test.type}, shortname: #{test.shortname}, comment: #{test.comment}"
+    def test_single_emoji
+      all_tests.each do |test|
+        expected = [test.string]
+        actual = test.string.each_grapheme_cluster.to_a
+        assert_equal expected, actual,
+          "file: #{test.filename}, line #{test.line_number}, " +
+          "type: #{test.type}, shortname: #{test.shortname}, comment: #{test.comment}"
+      end
     end
-  end
 
-  # test some pseodorandom combinations of emoji
-  def test_mixed_emoji
-    srand 0
-    length = all_tests.length
-    step =  503 # use a prime number
-    all_tests.each do |test1|
-      start = rand step
-      start.step(by: step, to: length-1) do |t2|
-        test2 = all_tests[t2]
-        # exclude skin tones, because they glue to previous grapheme clusters
-        next  if (0x1F3FB..0x1F3FF).include? test2.string.ord
-        expected = [test1.string, test2.string]
-        actual = (test1.string+test2.string).each_grapheme_cluster.to_a
+    def test_embedded_emoji
+      all_tests.each do |test|
+        expected = ["\t", test.string, "\t"]
+        actual = "\t#{test.string}\t".each_grapheme_cluster.to_a
         assert_equal expected, actual,
-          "file1: #{test1.filename}, line1 #{test1.line_number}, " +
-          "file2: #{test2.filename}, line2 #{test2.line_number},\n" +
-          "type1: #{test1.type}, shortname1: #{test1.shortname}, comment1: #{test1.comment},\n" +
-          "type2: #{test2.type}, shortname2: #{test2.shortname}, comment2: #{test2.comment}"
+          "file: #{test.filename}, line #{test.line_number}, " +
+          "type: #{test.type}, shortname: #{test.shortname}, comment: #{test.comment}"
+      end
+    end
+
+    # test some pseodorandom combinations of emoji
+    def test_mixed_emoji
+      srand 0
+      length = all_tests.length
+      step =  503 # use a prime number
+      all_tests.each do |test1|
+        start = rand step
+        start.step(by: step, to: length-1) do |t2|
+          test2 = all_tests[t2]
+          # exclude skin tones, because they glue to previous grapheme clusters
+          next  if (0x1F3FB..0x1F3FF).include? test2.string.ord
+          expected = [test1.string, test2.string]
+          actual = (test1.string+test2.string).each_grapheme_cluster.to_a
+          assert_equal expected, actual,
+            "file1: #{test1.filename}, line1 #{test1.line_number}, " +
+            "file2: #{test2.filename}, line2 #{test2.line_number},\n" +
+            "type1: #{test1.type}, shortname1: #{test1.shortname}, comment1: #{test1.comment},\n" +
+            "type2: #{test2.type}, shortname2: #{test2.shortname}, comment2: #{test2.comment}"
+        end
       end
     end
   end
diff --git a/test/ruby/enc/test_grapheme_breaks.rb b/test/ruby/enc/test_grapheme_breaks.rb
index 2a31e078cf..f4e3c93b47 100644
--- a/test/ruby/enc/test_grapheme_breaks.rb
+++ b/test/ruby/enc/test_grapheme_breaks.rb
@@ -4,31 +4,28 @@
 require "test/unit"
 
 class TestGraphemeBreaksFromFile < Test::Unit::TestCase
-end
-
-class TestGraphemeBreaksFromFile::BreakTest
-  attr_reader :clusters, :string, :comment, :line_number
+  class BreakTest
+    attr_reader :clusters, :string, :comment, :line_number
 
-  def initialize(line_number, data, comment)
-    @line_number = line_number
-    @comment = comment
-    @clusters = data.sub(/\A\s*÷\s*/, '')
-                    .sub(/\s*÷\s*\z/, '')
-                    .split(/\s*÷\s*/)
-                    .map do |cl|
-                      cl.split(/\s*×\s*/)
-                        .map do |ch|
-                          c = ch.to_i(16)
-                           # eliminate cases with surrogates
-                          raise ArgumentError if 0xD800 <= c and c <= 0xDFFF
-                          c.chr('UTF-8')
-                        end.join
-                    end
-    @string = @clusters.join
+    def initialize(line_number, data, comment)
+      @line_number = line_number
+      @comment = comment
+      @clusters = data.sub(/\A\s*÷\s*/, '')
+                      .sub(/\s*÷\s*\z/, '')
+                      .split(/\s*÷\s*/)
+                      .map do |cl|
+                        cl.split(/\s*×\s*/)
+                          .map do |ch|
+                            c = ch.to_i(16)
+                             # eliminate cases with surrogates
+                            raise ArgumentError if 0xD800 <= c and c <= 0xDFFF
+                            c.chr('UTF-8')
+                          end.join
+                      end
+      @string = @clusters.join
+    end
   end
-end
 
-class TestGraphemeBreaksFromFile < Test::Unit::TestCase
   UNICODE_VERSION = RbConfig::CONFIG['UNICODE_VERSION']
   path = File.expand_path("../../../enc/unicode/data/#{UNICODE_VERSION}", __dir__)
   UNICODE_DATA_PATH = File.directory?("#{path}/ucd/auxiliary") ? "#{path}/ucd/auxiliary" : path
@@ -43,53 +40,53 @@ class TestGraphemeBreaksFromFile < Test::Unit::TestCase
       omit "Unicode data file GraphemeBreakTest not available in #{UNICODE_DATA_PATH}."
     end
   end
-end
 
-TestGraphemeBreaksFromFile.file_available? and  class TestGraphemeBreaksFromFile
-  def read_data
-    tests = []
-    IO.foreach(GRAPHEME_BREAK_TEST_FILE, encoding: Encoding::UTF_8) do |line|
-      if $. == 1 and not line.start_with?("# GraphemeBreakTest-#{UNICODE_VERSION}.txt")
-        raise "File Version Mismatch"
+  if file_available?
+    def read_data
+      tests = []
+      IO.foreach(GRAPHEME_BREAK_TEST_FILE, encoding: Encoding::UTF_8) do |line|
+        if $. == 1 and not line.start_with?("# GraphemeBreakTest-#{UNICODE_VERSION}.txt")
+          raise "File Version Mismatch"
+        end
+        next if /\A#/.match? line
+        tests << BreakTest.new($., *line.chomp.split('#')) rescue 'whatever'
       end
-      next if /\A#/.match? line
-      tests << BreakTest.new($., *line.chomp.split('#')) rescue 'whatever'
+      tests
     end
-    tests
-  end
 
-  def all_tests
-    @@tests ||= read_data
-  rescue Errno::ENOENT
-    @@tests ||= []
-  end
+    def all_tests
+      @@tests ||= read_data
+    rescue Errno::ENOENT
+      @@tests ||= []
+    end
 
-  def test_each_grapheme_cluster
-    all_tests.each do |test|
-      expected = test.clusters
-      actual = test.string.each_grapheme_cluster.to_a
-      assert_equal expected, actual,
-        "line #{test.line_number}, expected '#{expected}', " +
-        "but got '#{actual}', comment: #{test.comment}"
+    def test_each_grapheme_cluster
+      all_tests.each do |test|
+        expected = test.clusters
+        actual = test.string.each_grapheme_cluster.to_a
+        assert_equal expected, actual,
+          "line #{test.line_number}, expected '#{expected}', " +
+          "but got '#{actual}', comment: #{test.comment}"
+      end
     end
-  end
 
-  def test_backslash_X
-    all_tests.each do |test|
-      clusters = test.clusters.dup
-      string = test.string.dup
-      removals = 0
-      while string.sub!(/\A\X/, '')
-        removals += 1
-        clusters.shift
-        expected = clusters.join
+    def test_backslash_X
+      all_tests.each do |test|
+        clusters = test.clusters.dup
+        string = test.string.dup
+        removals = 0
+        while string.sub!(/\A\X/, '')
+          removals += 1
+          clusters.shift
+          expected = clusters.join
+          assert_equal expected, string,
+            "line #{test.line_number}, removals: #{removals}, expected '#{expected}', " +
+            "but got '#{string}', comment: #{test.comment}"
+        end
         assert_equal expected, string,
-          "line #{test.line_number}, removals: #{removals}, expected '#{expected}', " +
+          "line #{test.line_number}, after last removal, expected '#{expected}', " +
           "but got '#{string}', comment: #{test.comment}"
       end
-      assert_equal expected, string,
-        "line #{test.line_number}, after last removal, expected '#{expected}', " +
-        "but got '#{string}', comment: #{test.comment}"
     end
   end
 end
diff --git a/test/ruby/test_inlinecache.rb b/test/ruby/test_inlinecache.rb
index 6c2d86aefd..d48d95d74e 100644
--- a/test/ruby/test_inlinecache.rb
+++ b/test/ruby/test_inlinecache.rb
@@ -3,7 +3,7 @@
 
 require 'test/unit'
 
-class TestMethod < Test::Unit::TestCase
+class TestMethodInlineCache < Test::Unit::TestCase
   def test_alias
     m0 = Module.new do
       def foo; :M0 end