1 files changed, 26 insertions, 0 deletions
diff --git a/test/rubygems/test_gem_request_set_lockfile.rb b/test/rubygems/test_gem_request_set_lockfile.rb
index fcd4ecfaf7..18c44144fa 100644
--- a/test/rubygems/test_gem_request_set_lockfile.rb
+++ b/test/rubygems/test_gem_request_set_lockfile.rb
@@ -104,6 +104,16 @@ DEPENDENCIES
     assert_equal %w[a-2], lockfile_set.specs.map { |tuple| tuple.full_name }
   end
 
+  def test_parse_missing
+    @lockfile.parse
+
+    lockfile_set = @set.sets.find do |set|
+      Gem::Resolver::LockSet === set
+    end
+
+    refute lockfile_set
+  end
+
   def test_peek
     @lockfile.instance_variable_set :@tokens, [:token]
 
@@ -211,6 +221,12 @@ DEPENDENCIES
                  e.message
   end
 
+  def test_tokenize_missing
+    tokens = @lockfile.tokenize
+
+    assert_empty tokens
+  end
+
   def test_to_s_gem
     spec_fetcher do |fetcher|
       fetcher.spec 'a', 2
@@ -400,5 +416,15 @@ DEPENDENCIES
     assert_equal :token, @lockfile.get
   end
 
+  def test_write
+    @lockfile.write
+
+    gem_deps_lock_file = "#{@gem_deps_file}.lock"
+
+    assert_path_exists gem_deps_lock_file
+
+    refute_empty File.read gem_deps_lock_file
+  end
+
 end