1 files changed, 50 insertions, 0 deletions
diff --git a/test/rubygems/test_gem_resolver_best_set.rb b/test/rubygems/test_gem_resolver_best_set.rb
index 5bcff4aca7..2d16f8b701 100644
--- a/test/rubygems/test_gem_resolver_best_set.rb
+++ b/test/rubygems/test_gem_resolver_best_set.rb
@@ -8,6 +8,12 @@ class TestGemResolverBestSet < Gem::TestCase
     @DR = Gem::Resolver
   end
 
+  def test_initialize
+    set = @DR::BestSet.new
+
+    assert_empty set.sets
+  end
+
   def test_find_all_index
     spec_fetcher do |fetcher|
       fetcher.spec 'a', 1
@@ -26,5 +32,49 @@ class TestGemResolverBestSet < Gem::TestCase
     assert_equal %w[a-1], found.map { |s| s.full_name }
   end
 
+  def test_find_all_local
+    spec_fetcher do |fetcher|
+      fetcher.spec 'a', 1
+      fetcher.spec 'a', 2
+      fetcher.spec 'b', 1
+    end
+
+    set = @DR::BestSet.new
+    set.remote = false
+
+    dependency = dep 'a', '~> 1'
+
+    req = @DR::DependencyRequest.new dependency, nil
+
+    found = set.find_all req
+
+    assert_empty found
+  end
+
+  def test_prefetch
+    spec_fetcher do |fetcher|
+      fetcher.spec 'a', 1
+    end
+
+    set = @DR::BestSet.new
+
+    set.prefetch []
+
+    refute_empty set.sets
+  end
+
+  def test_prefetch_local
+    spec_fetcher do |fetcher|
+      fetcher.spec 'a', 1
+    end
+
+    set = @DR::BestSet.new
+    set.remote = false
+
+    set.prefetch []
+
+    assert_empty set.sets
+  end
+
 end