keg: fallback to missing_deps if deps not in tab

1 files changed, 21 insertions, 0 deletions

diff --git a/Library/Homebrew/test/test_keg.rb b/Library/Homebrew/test/test_keg.rb
index ac5831b09..9c1c9118c 100644
--- a/Library/Homebrew/test/test_keg.rb
+++ b/Library/Homebrew/test/test_keg.rb
@@ -339,8 +339,29 @@ class InstalledDependantsTests < LinkTests
     tab.write
   end
 
+  def test_unknown_dependencies
+    dependencies nil
+
+    bar = formula "bar" do
+      url "bar-1.0"
+      depends_on "foo"
+    end
+    stub_formula_loader bar
+
+    assert_equal [@dependent], @keg.installed_dependents
+  end
+
   def test_no_dependencies
     dependencies []
+
+    # Make sure formula dependencies aren't checked when dependencies are
+    # recorded in the tab.
+    bar = formula "bar" do
+      url "bar-1.0"
+      depends_on "foo"
+    end
+    stub_formula_loader bar
+
     assert_empty @keg.installed_dependents
   end