Sync latest development version of bundler & rubygems

13 files changed, 267 insertions, 73 deletions

diff --git a/test/rubygems/data/null-required-ruby-version.gemspec.rz b/test/rubygems/data/null-required-ruby-version.gemspec.rz
new file mode 100644
index 0000000000..f4ec1a9620
--- /dev/null
+++ b/test/rubygems/data/null-required-ruby-version.gemspec.rz
diff --git a/test/rubygems/test_gem.rb b/test/rubygems/test_gem.rb
index 344b03be9b..8b028d3495 100644
--- a/test/rubygems/test_gem.rb
+++ b/test/rubygems/test_gem.rb
@@ -297,6 +297,58 @@ class TestGem < Gem::TestCase
     assert_equal %w[a-1 b-2 c-1], loaded_spec_names
   end
 
+  def test_activate_bin_path_does_not_error_if_a_gem_thats_not_finally_activated_has_orphaned_dependencies
+    a1 = util_spec 'a', '1' do |s|
+      s.executables = ['exec']
+      s.add_dependency 'b'
+    end
+
+    b1 = util_spec 'b', '1' do |s|
+      s.add_dependency 'c', '1'
+    end
+
+    b2 = util_spec 'b', '2' do |s|
+      s.add_dependency 'c', '2'
+    end
+
+    c2 = util_spec 'c', '2'
+
+    install_specs c2, b1, b2, a1
+
+    # c1 is missing, but not needed for activation, so we should not get any errors here
+
+    Gem.activate_bin_path("a", "exec", ">= 0")
+
+    assert_equal %w[a-1 b-2 c-2], loaded_spec_names
+  end
+
+  def test_activate_bin_path_raises_a_meaningful_error_if_a_gem_thats_finally_activated_has_orphaned_dependencies
+    a1 = util_spec 'a', '1' do |s|
+      s.executables = ['exec']
+      s.add_dependency 'b'
+    end
+
+    b1 = util_spec 'b', '1' do |s|
+      s.add_dependency 'c', '1'
+    end
+
+    b2 = util_spec 'b', '2' do |s|
+      s.add_dependency 'c', '2'
+    end
+
+    c1 = util_spec 'c', '1'
+
+    install_specs c1, b1, b2, a1
+
+    # c2 is missing, and b2 which has it as a dependency will be activated, so we should get an error about the orphaned dependency
+
+    e = assert_raises Gem::UnsatisfiableDependencyError do
+      load Gem.activate_bin_path("a", "exec", ">= 0")
+    end
+
+    assert_equal "Unable to resolve dependency: 'b (>= 0)' requires 'c (= 2)'", e.message
+  end
+
   def test_activate_bin_path_in_debug_mode
     a1 = util_spec 'a', '1' do |s|
       s.executables = ['exec']
@@ -416,6 +468,32 @@ class TestGem < Gem::TestCase
     assert_equal %w[bundler-1.17.3], loaded_spec_names
   end
 
+  def test_activate_bin_path_gives_proper_error_for_bundler_when_underscore_selection_given
+    File.open("Gemfile.lock", "w") do |f|
+      f.write <<-L.gsub(/ {8}/, "")
+        GEM
+          remote: https://rubygems.org/
+          specs:
+
+        PLATFORMS
+          ruby
+
+        DEPENDENCIES
+
+        BUNDLED WITH
+          2.1.4
+      L
+    end
+
+    File.open("Gemfile", "w") {|f| f.puts('source "https://rubygems.org"') }
+
+    e = assert_raises Gem::GemNotFoundException do
+      load Gem.activate_bin_path("bundler", "bundle", "= 2.2.8")
+    end
+
+    assert_equal "can't find gem bundler (= 2.2.8) with executable bundle", e.message
+  end
+
   def test_self_bin_path_no_exec_name
     e = assert_raises ArgumentError do
       Gem.bin_path 'a'
@@ -692,6 +770,11 @@ class TestGem < Gem::TestCase
     ensure
       FileUtils.chmod 0600, parent
     end
+
+    def test_self_ensure_gem_directories_non_existent_paths
+      Gem.ensure_gem_subdirectories '/proc/0123456789/bogus' # should not raise
+      Gem.ensure_gem_subdirectories 'classpath:/bogus/x' # JRuby embed scenario
+    end
   end
 
   def test_self_extension_dir_shared
@@ -1875,15 +1958,9 @@ class TestGem < Gem::TestCase
       io.write 'gem "a"'
     end
 
-    platform = Bundler::GemHelpers.generic_local_platform
-    if platform == Gem::Platform::RUBY
-      platform = ''
-    else
-      platform = " #{platform}"
-    end
-
     expected = <<-EXPECTED
-Could not find gem 'a#{platform}' in any of the gem sources listed in your Gemfile.
+Could not find gem 'a' in locally installed gems.
+The source does not contain any versions of 'a'
 You may need to `gem install -g` to install missing gems
 
     EXPECTED
diff --git a/test/rubygems/test_gem_commands_outdated_command.rb b/test/rubygems/test_gem_commands_outdated_command.rb
index 57939b8088..c4af421f5d 100644
--- a/test/rubygems/test_gem_commands_outdated_command.rb
+++ b/test/rubygems/test_gem_commands_outdated_command.rb
@@ -28,4 +28,22 @@ class TestGemCommandsOutdatedCommand < Gem::TestCase
     assert_equal "foo (0.2 < 2.0)\n", @ui.output
     assert_equal "", @ui.error
   end
+
+  def test_execute_with_up_to_date_platform_specific_gem
+    spec_fetcher do |fetcher|
+      fetcher.download 'foo', '2.0'
+
+      fetcher.gem 'foo', '1.0'
+      fetcher.gem 'foo', '2.0' do |s|
+        s.platform = Gem::Platform.local
+      end
+    end
+
+    use_ui @ui do
+      @cmd.execute
+    end
+
+    assert_equal "", @ui.output
+    assert_equal "", @ui.error
+  end
 end
diff --git a/test/rubygems/test_gem_config_file.rb b/test/rubygems/test_gem_config_file.rb
index ddc35a9594..7db31013aa 100644
--- a/test/rubygems/test_gem_config_file.rb
+++ b/test/rubygems/test_gem_config_file.rb
@@ -41,6 +41,7 @@ class TestGemConfigFile < Gem::TestCase
     assert_equal true, @cfg.verbose
     assert_equal [@gem_repo], Gem.sources
     assert_equal 365, @cfg.cert_expiration_length_days
+    assert_equal false, @cfg.ipv4_fallback_enabled
 
     File.open @temp_conf, 'w' do |fp|
       fp.puts ":backtrace: true"
@@ -56,6 +57,7 @@ class TestGemConfigFile < Gem::TestCase
       fp.puts ":ssl_verify_mode: 0"
       fp.puts ":ssl_ca_cert: /etc/ssl/certs"
       fp.puts ":cert_expiration_length_days: 28"
+      fp.puts ":ipv4_fallback_enabled: true"
     end
 
     util_config_file
@@ -70,6 +72,14 @@ class TestGemConfigFile < Gem::TestCase
     assert_equal 0, @cfg.ssl_verify_mode
     assert_equal '/etc/ssl/certs', @cfg.ssl_ca_cert
     assert_equal 28, @cfg.cert_expiration_length_days
+    assert_equal true, @cfg.ipv4_fallback_enabled
+  end
+
+  def test_initialize_ipv4_fallback_enabled_env
+    ENV['IPV4_FALLBACK_ENABLED'] = 'true'
+    util_config_file %W[--config-file #{@temp_conf}]
+
+    assert_equal true, @cfg.ipv4_fallback_enabled
   end
 
   def test_initialize_handle_arguments_config_file
diff --git a/test/rubygems/test_gem_dependency_installer.rb b/test/rubygems/test_gem_dependency_installer.rb
index 85dba54675..c62a3f355a 100644
--- a/test/rubygems/test_gem_dependency_installer.rb
+++ b/test/rubygems/test_gem_dependency_installer.rb
@@ -44,7 +44,7 @@ class TestGemDependencyInstaller < Gem::TestCase
       s.add_development_dependency 'c'
     end
 
-    util_reset_gems
+    util_setup_spec_fetcher(@a1, @a1_pre, @b1, @d1)
   end
 
   def test_install
@@ -287,8 +287,6 @@ class TestGemDependencyInstaller < Gem::TestCase
 
     @aa1, @aa1_gem = util_gem 'aa', '1'
 
-    util_reset_gems
-
     FileUtils.mv @a1_gem, @tempdir
     FileUtils.mv @aa1_gem, @tempdir
     FileUtils.mv @b1_gem, @tempdir
@@ -307,8 +305,6 @@ class TestGemDependencyInstaller < Gem::TestCase
 
     @aa1, @aa1_gem = util_gem 'aa', '1'
 
-    util_reset_gems
-
     FileUtils.mv @a1_gem, @tempdir
     FileUtils.mv @aa1_gem, @tempdir
     FileUtils.mv @b1_gem, @tempdir
@@ -329,8 +325,6 @@ class TestGemDependencyInstaller < Gem::TestCase
 
     @aa1, @aa1_gem = util_gem 'aa', '1'
 
-    util_reset_gems
-
     FileUtils.mv @a1_gem, @tempdir
     FileUtils.mv @aa1_gem, @tempdir
     FileUtils.mv @b1_gem, @tempdir
@@ -946,6 +940,31 @@ class TestGemDependencyInstaller < Gem::TestCase
     assert_equal %w[d-2], inst.installed_gems.map {|s| s.full_name }
   end
 
+  def test_install_legacy_spec_with_nil_required_ruby_version
+    path = File.expand_path "../data/null-required-ruby-version.gemspec.rz", __FILE__
+    spec = Marshal.load Gem.read_binary(path)
+    def spec.validate(*args); end
+
+    util_build_gem spec
+
+    cache_file = File.join @tempdir, 'gems', "#{spec.original_name}.gem"
+    FileUtils.mkdir_p File.dirname cache_file
+    FileUtils.mv spec.cache_file, cache_file
+
+    util_setup_spec_fetcher spec
+
+    data = Gem.read_binary(cache_file)
+
+    @fetcher.data['http://gems.example.com/gems/activesupport-1.0.0.gem'] = data
+
+    dep = Gem::Dependency.new 'activesupport'
+
+    inst = Gem::DependencyInstaller.new
+    inst.install dep
+
+    assert_equal %w[activesupport-1.0.0], Gem::Specification.map(&:full_name)
+  end
+
   def test_install_legacy_spec_with_nil_required_rubygems_version
     path = File.expand_path "../data/null-required-rubygems-version.gemspec.rz", __FILE__
     spec = Marshal.load Gem.read_binary(path)
@@ -1131,16 +1150,6 @@ class TestGemDependencyInstaller < Gem::TestCase
     @d1, @d1_gem = util_gem 'd', '1'
     @d2, @d2_gem = util_gem 'd', '2'
 
-    util_reset_gems
-  end
-
-  def util_reset_gems
-    @a1     ||= nil
-    @b1     ||= nil
-    @a1_pre ||= nil
-    @d1     ||= nil
-    @d2     ||= nil
-
-    util_setup_spec_fetcher(*[@a1, @a1_pre, @b1, @d1, @d2].compact)
+    util_setup_spec_fetcher(@d1, @d2)
   end
 end
diff --git a/test/rubygems/test_gem_ext_builder.rb b/test/rubygems/test_gem_ext_builder.rb
index 0fe650b8a5..6bebfa7a03 100644
--- a/test/rubygems/test_gem_ext_builder.rb
+++ b/test/rubygems/test_gem_ext_builder.rb
@@ -14,6 +14,7 @@ class TestGemExtBuilder < Gem::TestCase
     FileUtils.mkdir_p @dest_path
 
     @orig_DESTDIR = ENV['DESTDIR']
+    @orig_make = ENV['make']
 
     @spec = util_spec 'a'
 
@@ -22,6 +23,7 @@ class TestGemExtBuilder < Gem::TestCase
 
   def teardown
     ENV['DESTDIR'] = @orig_DESTDIR
+    ENV['make'] = @orig_make
 
     super
   end
@@ -81,6 +83,28 @@ install:
     assert_match %r{DESTDIR\\=#{ENV['DESTDIR']} install$}, results
   end
 
+  def test_custom_make_with_options
+    ENV['make'] = 'make V=1'
+    results = []
+    File.open File.join(@ext, 'Makefile'), 'w' do |io|
+      io.puts <<-MAKEFILE
+all:
+\t@#{Gem.ruby} -e "puts 'all: OK'"
+
+clean:
+\t@#{Gem.ruby} -e "puts 'clean: OK'"
+
+install:
+\t@#{Gem.ruby} -e "puts 'install: OK'"
+      MAKEFILE
+    end
+    Gem::Ext::Builder.make @dest_path, results, @ext
+    results = results.join("\n").b
+    assert_match %r{clean: OK}, results
+    assert_match %r{all: OK}, results
+    assert_match %r{install: OK}, results
+  end
+
   def test_build_extensions
     @spec.extensions << 'ext/extconf.rb'
 
diff --git a/test/rubygems/test_gem_installer.rb b/test/rubygems/test_gem_installer.rb
index 4ce7e92442..5652d86331 100644
--- a/test/rubygems/test_gem_installer.rb
+++ b/test/rubygems/test_gem_installer.rb
@@ -821,6 +821,8 @@ gem 'other', version
 
     assert !File.exist?(system_path), 'plugin written incorrect written to system plugins_dir'
     assert File.exist?(build_root_path), 'plugin not written to build_root'
+
+    refute_includes File.read(build_root_path), build_root
   end
 
   def test_keeps_plugins_up_to_date
diff --git a/test/rubygems/test_gem_platform.rb b/test/rubygems/test_gem_platform.rb
index 83a6f24de4..ad7285c082 100644
--- a/test/rubygems/test_gem_platform.rb
+++ b/test/rubygems/test_gem_platform.rb
@@ -134,7 +134,9 @@ class TestGemPlatform < Gem::TestCase
       'i386-solaris2.8'        => ['x86',       'solaris',   '2.8'],
       'mswin32'                => ['x86',       'mswin32',   nil],
       'x86_64-linux'           => ['x86_64',    'linux',     nil],
+      'x86_64-linux-gnu'       => ['x86_64',    'linux',     nil],
       'x86_64-linux-musl'      => ['x86_64',    'linux',     'musl'],
+      'x86_64-linux-uclibc'    => ['x86_64',    'linux',     'uclibc'],
       'x86_64-openbsd3.9'      => ['x86_64',    'openbsd',   '3.9'],
       'x86_64-openbsd4.0'      => ['x86_64',    'openbsd',   '4.0'],
       'x86_64-openbsd'         => ['x86_64',    'openbsd',   nil],
@@ -143,6 +145,7 @@ class TestGemPlatform < Gem::TestCase
     test_cases.each do |arch, expected|
       platform = Gem::Platform.new arch
       assert_equal expected, platform.to_a, arch.inspect
+      assert_equal expected, Gem::Platform.new(platform.to_s).to_a, arch.inspect
     end
   end
 
@@ -261,6 +264,32 @@ class TestGemPlatform < Gem::TestCase
     assert((with_x86_arch === with_nil_arch), 'x86 =~ nil')
   end
 
+  def test_nil_version_is_treated_as_any_version
+    x86_darwin_8 = Gem::Platform.new 'i686-darwin8.0'
+    x86_darwin_nil = Gem::Platform.new 'i686-darwin'
+
+    assert((x86_darwin_8 === x86_darwin_nil), '8.0 =~ nil')
+    assert((x86_darwin_nil === x86_darwin_8), 'nil =~ 8.0')
+  end
+
+  def test_nil_version_is_stricter_for_linux_os
+    x86_linux = Gem::Platform.new 'i686-linux'
+    x86_linux_gnu = Gem::Platform.new 'i686-linux-gnu'
+    x86_linux_musl = Gem::Platform.new 'i686-linux-musl'
+    x86_linux_uclibc = Gem::Platform.new 'i686-linux-uclibc'
+
+    assert((x86_linux === x86_linux_gnu), 'linux =~ linux-gnu')
+    assert((x86_linux_gnu === x86_linux), 'linux-gnu =~ linux')
+    assert(!(x86_linux_gnu === x86_linux_musl), 'linux-gnu =~ linux-musl')
+    assert(!(x86_linux_musl === x86_linux_gnu), 'linux-musl =~ linux-gnu')
+    assert(!(x86_linux_uclibc === x86_linux_musl), 'linux-uclibc =~ linux-musl')
+    assert(!(x86_linux_musl === x86_linux_uclibc), 'linux-musl =~ linux-uclibc')
+    assert(!(x86_linux === x86_linux_musl), 'linux =~ linux-musl')
+    assert(!(x86_linux_musl === x86_linux), 'linux-musl =~ linux')
+    assert(!(x86_linux === x86_linux_uclibc), 'linux =~ linux-uclibc')
+    assert(!(x86_linux_uclibc === x86_linux), 'linux-uclibc =~ linux')
+  end
+
   def test_equals3_cpu_arm
     arm   = Gem::Platform.new 'arm-linux'
     armv5 = Gem::Platform.new 'armv5-linux'
@@ -356,6 +385,14 @@ class TestGemPlatform < Gem::TestCase
     assert_local_match 'sparc-solaris2.8-mq5.3'
   end
 
+  def test_inspect
+    result = Gem::Platform.new("universal-java11").inspect
+
+    assert_equal 1, result.scan(/@cpu=/).size
+    assert_equal 1, result.scan(/@os=/).size
+    assert_equal 1, result.scan(/@version=/).size
+  end
+
   def assert_local_match(name)
     assert_match Gem::Platform.local, name
   end
diff --git a/test/rubygems/test_gem_remote_fetcher.rb b/test/rubygems/test_gem_remote_fetcher.rb
index 1c88e8d3e8..32600deee2 100644
--- a/test/rubygems/test_gem_remote_fetcher.rb
+++ b/test/rubygems/test_gem_remote_fetcher.rb
@@ -962,6 +962,12 @@ PeIQQkFng2VVot/WAQbv3ePqWq07g1BBcwIBAg==
     end
   end
 
+  def test_tcpsocketext_require
+    with_configured_fetcher(":ipv4_fallback_enabled: true") do |fetcher|
+      refute require('rubygems/core_ext/tcpsocket_init')
+    end
+  end
+
   def with_configured_fetcher(config_str = nil, &block)
     if config_str
       temp_conf = File.join @tempdir, '.gemrc'
diff --git a/test/rubygems/test_gem_requirement.rb b/test/rubygems/test_gem_requirement.rb
index 670defe330..13897eaefb 100644
--- a/test/rubygems/test_gem_requirement.rb
+++ b/test/rubygems/test_gem_requirement.rb
@@ -83,7 +83,7 @@ class TestGemRequirement < Gem::TestCase
       Gem::Requirement.parse(Gem::Version.new('2'))
   end
 
-  if RUBY_VERSION >= '2.5'
+  if RUBY_VERSION >= '2.5' && !(Gem.java_platform? && ENV["JRUBY_OPTS"] =~ /--debug/)
     def test_parse_deduplication
       assert_same '~>', Gem::Requirement.parse('~> 1').first
     end
@@ -401,6 +401,27 @@ class TestGemRequirement < Gem::TestCase
     assert_equal r1.hash, r2.hash
   end
 
+  def test_hash_returns_equal_hashes_for_equivalent_requirements
+    refute_requirement_hash_equal "= 1.2", "= 1.3"
+    refute_requirement_hash_equal "= 1.3", "= 1.2"
+
+    refute_requirement_hash_equal "~> 1.3", "~> 1.3.0"
+    refute_requirement_hash_equal "~> 1.3.0", "~> 1.3"
+
+    assert_requirement_hash_equal ["> 2", "~> 1.3", "~> 1.3.1"], ["~> 1.3.1", "~> 1.3", "> 2"]
+
+    assert_requirement_hash_equal ["> 2", "~> 1.3"], ["> 2.0", "~> 1.3"]
+    assert_requirement_hash_equal ["> 2.0", "~> 1.3"], ["> 2", "~> 1.3"]
+
+    assert_requirement_hash_equal "= 1.0", "= 1.0.0"
+    assert_requirement_hash_equal "= 1.1", "= 1.1.0"
+    assert_requirement_hash_equal "= 1", "= 1.0.0"
+
+    assert_requirement_hash_equal "1.0", "1.0.0"
+    assert_requirement_hash_equal "1.1", "1.1.0"
+    assert_requirement_hash_equal "1", "1.0.0"
+  end
+
   # Assert that two requirements are equal. Handles Gem::Requirements,
   # strings, arrays, numbers, and versions.
 
@@ -415,6 +436,13 @@ class TestGemRequirement < Gem::TestCase
       "#{requirement} is satisfied by #{version}"
   end
 
+  # Assert that two requirement hashes are equal. Handles Gem::Requirements,
+  # strings, arrays, numbers, and versions.
+
+  def assert_requirement_hash_equal(expected, actual)
+    assert_equal req(expected).hash, req(actual).hash
+  end
+
   # Refute the assumption that two requirements are equal.
 
   def refute_requirement_equal(unexpected, actual)
@@ -427,4 +455,10 @@ class TestGemRequirement < Gem::TestCase
     refute req(requirement).satisfied_by?(v(version)),
       "#{requirement} is not satisfied by #{version}"
   end
+
+  # Refute the assumption that two requirements hashes are equal.
+
+  def refute_requirement_hash_equal(unexpected, actual)
+    refute_equal req(unexpected).hash, req(actual).hash
+  end
 end
diff --git a/test/rubygems/test_gem_specification.rb b/test/rubygems/test_gem_specification.rb
index 374d58d38f..1389b495f2 100644
--- a/test/rubygems/test_gem_specification.rb
+++ b/test/rubygems/test_gem_specification.rb
@@ -1161,6 +1161,14 @@ dependencies: []
     Gem::Specification.class_variable_set(:@@stubs, nil)
   end
 
+  def test_self_stubs_for_no_lazy_loading_after_all_specs_setup
+    Gem::Specification.all = [util_spec('a', '1')]
+
+    save_gemspec('b-1', '1', File.join(Gem.dir, 'specifications')){|s| s.name = 'b' }
+
+    assert_equal [], Gem::Specification.stubs_for('b').map {|s| s.full_name }
+  end
+
   def test_self_stubs_for_mult_platforms
     # gems for two different platforms are installed with --user-install
     # the correct one should be returned in the array
@@ -1200,6 +1208,16 @@ dependencies: []
     Gem.platforms = orig_platform
   end
 
+  def test_self_stubs_returns_only_specified_named_specs
+    dir_standard_specs = File.join Gem.dir, 'specifications'
+
+    save_gemspec('a-1', '1', dir_standard_specs){|s| s.name = 'a' }
+    save_gemspec('a-2', '2', dir_standard_specs){|s| s.name = 'a' }
+    save_gemspec('a-a', '3', dir_standard_specs){|s| s.name = 'a-a' }
+
+    assert_equal ['a-1', 'a-2'], Gem::Specification.stubs_for('a').map(&:full_name).sort
+  end
+
   def test_handles_private_null_type
     path = File.expand_path "../data/null-type.gemspec.rz", __FILE__
 
@@ -1612,20 +1630,6 @@ dependencies: []
     refute_path_exists @a1.extension_dir
   end
 
-  def test_build_extensions_old
-    skip "extensions don't quite work on jruby" if Gem.java_platform?
-    ext_spec
-
-    refute_empty @ext.extensions, 'sanity check'
-
-    @ext.installed_by_version = v(0)
-
-    @ext.build_extensions
-
-    gem_make_out = File.join @ext.extension_dir, 'gem_make.out'
-    refute_path_exists gem_make_out
-  end
-
   def test_build_extensions_preview
     skip "extensions don't quite work on jruby" if Gem.java_platform?
     ext_spec
@@ -3522,19 +3526,6 @@ Did you mean 'Ruby'?
     specfile.delete
   end
 
-  ##
-  # KEEP p-1-x86-darwin-8
-  # KEEP p-1
-  # KEEP c-1.2
-  # KEEP a_evil-9
-  #      a-1
-  #      a-1-x86-my_platform-1
-  # KEEP a-2
-  #      a-2-x86-other_platform-1
-  # KEEP a-2-x86-my_platform-1
-  #      a-3.a
-  # KEEP a-3-x86-other_platform-1
-
   def test_latest_specs
     spec_fetcher do |fetcher|
       fetcher.spec 'a', 1 do |s|
@@ -3557,8 +3548,6 @@ Did you mean 'Ruby'?
     end
 
     expected = %W[
-      a-2
-      a-2-x86-my_platform-1
       a-3-x86-other_platform-1
     ]
 
@@ -3734,18 +3723,6 @@ end
     refute spec.missing_extensions?
   end
 
-  def test_missing_extensions_eh_legacy
-    ext_spec
-
-    @ext.installed_by_version = v '2.2.0.preview.2'
-
-    assert @ext.missing_extensions?
-
-    @ext.installed_by_version = v '2.2.0.preview.1'
-
-    refute @ext.missing_extensions?
-  end
-
   def test_missing_extensions_eh_none
     refute @a1.missing_extensions?
   end
diff --git a/test/rubygems/test_gem_stream_ui.rb b/test/rubygems/test_gem_stream_ui.rb
index e154a723c9..a62e9ea0cf 100644
--- a/test/rubygems/test_gem_stream_ui.rb
+++ b/test/rubygems/test_gem_stream_ui.rb
@@ -5,7 +5,7 @@ require 'timeout'
 
 class TestGemStreamUI < Gem::TestCase
   # increase timeout with MJIT for --jit-wait testing
-  mjit_enabled = defined?(RubyVM::JIT) && RubyVM::JIT.enabled?
+  mjit_enabled = defined?(RubyVM::JIT) ? RubyVM::JIT.enabled? : defined?(RubyVM::MJIT) && RubyVM::MJIT.enabled?
   SHORT_TIMEOUT = (RUBY_ENGINE == "ruby" && !mjit_enabled) ? 0.1 : 1.0
 
   module IsTty
diff --git a/test/rubygems/test_gem_util.rb b/test/rubygems/test_gem_util.rb
index acf7ac8962..7197f664e2 100644
--- a/test/rubygems/test_gem_util.rb
+++ b/test/rubygems/test_gem_util.rb
@@ -46,8 +46,8 @@ class TestGemUtil < Gem::TestCase
 
     assert_equal File.join(@tempdir, 'd'), paths[0]
     assert_equal @tempdir, paths[1]
-    assert_equal File.realpath(Dir.tmpdir), paths[2]
-    assert_equal File.realpath("..", Dir.tmpdir), paths[3]
+    assert_equal File.realpath("..", @tempdir), paths[2]
+    assert_equal File.realpath("../..", @tempdir), paths[3]
   ensure
     # restore default permissions, allow the directory to be removed
     FileUtils.chmod(0775, 'd/e') unless win_platform? || java_platform?
@@ -72,10 +72,10 @@ class TestGemUtil < Gem::TestCase
     ]
 
     files_with_absolute_base = Gem::Util.glob_files_in_dir('*.rb', File.join(@tempdir, 'g'))
-    assert_equal expected_paths.to_set, files_with_absolute_base.to_set
+    assert_equal expected_paths.sort, files_with_absolute_base.sort
 
     files_with_relative_base = Gem::Util.glob_files_in_dir('*.rb', 'g')
-    assert_equal expected_paths.to_set, files_with_relative_base.to_set
+    assert_equal expected_paths.sort, files_with_relative_base.sort
   end
 
   def test_correct_for_windows_path