Merge RDoc 6.0.3 from upstream.

  It fixed the several bugs that was found after RDoc 6 releasing.

From: SHIBATA Hiroshi <hsbt@ruby-lang.org>

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62924 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 35 insertions, 2 deletions

diff --git a/test/rdoc/test_rdoc_generator_json_index.rb b/test/rdoc/test_rdoc_generator_json_index.rb
index 6cb5463d29..ca7260c820 100644
--- a/test/rdoc/test_rdoc_generator_json_index.rb
+++ b/test/rdoc/test_rdoc_generator_json_index.rb
@@ -1,14 +1,14 @@
 # coding: US-ASCII
 # frozen_string_literal: true
 
-require 'rdoc/test_case'
+require 'minitest_helper'
 
 class TestRDocGeneratorJsonIndex < RDoc::TestCase
 
   def setup
     super
 
-    @tmpdir = File.join Dir.tmpdir, "test_rdoc_generator_darkfish_#{$$}"
+    @tmpdir = Dir.mktmpdir "test_rdoc_generator_darkfish_#{$$}_"
     FileUtils.mkdir_p @tmpdir
 
     @options = RDoc::Options.new
@@ -89,12 +89,31 @@ class TestRDocGeneratorJsonIndex < RDoc::TestCase
   end
 
   def test_generate
+    now = Time.now
     @g.generate
 
     assert_file 'js/searcher.js'
     assert_file 'js/navigation.js'
     assert_file 'js/search_index.js'
 
+    srcdir = File.expand_path("../../lib/rdoc", __FILE__)
+    if !File.directory? srcdir
+      # for Ruby core repository
+      srcdir = File.expand_path("../../../lib/rdoc", __FILE__)
+    end
+
+    orig_file = Pathname(File.join srcdir, 'generator/template/json_index/js/navigation.js')
+    generated_file = Pathname(File.join @tmpdir, 'js/navigation.js')
+
+    # This is dirty hack on JRuby for MiniTest 4
+    assert orig_file.mtime.inspect == generated_file.mtime.inspect,
+      '.js files should be tha same timestamp of original'
+
+    assert generated_file.mtime < now, '.js files should be the same timestamp'
+
+    generated_search_index = Pathname(File.join @tmpdir, 'js/search_index.js')
+    assert generated_search_index.mtime > (now - 1), 'search_index.js should be generated timestamp'
+
     json = File.read 'js/search_index.js'
 
     json =~ /\Avar search_data = /
@@ -137,6 +156,20 @@ class TestRDocGeneratorJsonIndex < RDoc::TestCase
     assert_equal expected, index
   end
 
+  def test_generate_search_index_with_reproducible_builds
+    backup_epoch = ENV['SOURCE_DATE_EPOCH']
+    ruby_birthday = Time.parse 'Wed, 24 Feb 1993 21:00:00 +0900'
+    ENV['SOURCE_DATE_EPOCH'] = ruby_birthday.to_i.to_s
+
+    @g.generate
+
+    assert_file 'js/search_index.js'
+    generated_search_index = Pathname(File.join @tmpdir, 'js/search_index.js')
+    assert_equal ruby_birthday, generated_search_index.mtime
+
+    ENV['SOURCE_DATE_EPOCH'] = backup_epoch
+  end
+
   def test_generate_gzipped
     begin
       require 'zlib'