1 files changed, 48 insertions, 0 deletions
diff --git a/test/rubygems/test_gem_commands_pristine_command.rb b/test/rubygems/test_gem_commands_pristine_command.rb
index 5bf1d27eb9..db1583bcd3 100644
--- a/test/rubygems/test_gem_commands_pristine_command.rb
+++ b/test/rubygems/test_gem_commands_pristine_command.rb
@@ -202,6 +202,54 @@ class TestGemCommandsPristineCommand < Gem::TestCase
     assert_empty out, out.inspect
   end
 
+  def test_execute_extensions_only_missing_extensions
+    a = util_spec "a" do |s|
+      s.extensions << "ext/a/extconf.rb"
+    end
+
+    ext_path = File.join @tempdir, "ext", "a", "extconf.rb"
+    write_file ext_path do |io|
+      io.write <<-'RUBY'
+      File.open "Makefile", "w" do |f|
+        f.puts "clean:\n\techo cleaned\n"
+        f.puts "all:\n\techo built\n"
+        f.puts "install:\n\techo installed\n"
+      end
+      RUBY
+    end
+
+    b = util_spec "b" do |s|
+      s.extensions << "ext/b/extconf.rb"
+    end
+
+    ext_path = File.join @tempdir, "ext", "b", "extconf.rb"
+    write_file ext_path do |io|
+      io.write <<-'RUBY'
+      File.open "Makefile", "w" do |f|
+        f.puts "clean:\n\techo cleaned\n"
+        f.puts "all:\n\techo built\n"
+        f.puts "install:\n\techo installed\n"
+      end
+      RUBY
+    end
+
+    install_gem a
+    install_gem b
+
+    # Remove the extension files for b
+    FileUtils.rm_rf b.gem_build_complete_path
+
+    @cmd.options[:only_missing_extensions] = true
+    @cmd.options[:args] = []
+
+    use_ui @ui do
+      @cmd.execute
+    end
+
+    refute_includes @ui.output, "Restored #{a.full_name}"
+    assert_includes @ui.output, "Restored #{b.full_name}"
+  end
+
   def test_execute_no_extension
     a = util_spec "a" do |s|
       s.extensions << "ext/a/extconf.rb"