Reject versions that aren't strings

1 files changed, 6 insertions, 0 deletions

diff --git a/Library/Homebrew/test/test_software_spec.rb b/Library/Homebrew/test/test_software_spec.rb
index f3eed4769..856bea611 100644
--- a/Library/Homebrew/test/test_software_spec.rb
+++ b/Library/Homebrew/test/test_software_spec.rb
@@ -66,6 +66,12 @@ class SoftwareSpecTests < Test::Unit::TestCase
     assert @spec.version.detected_from_url?
   end
 
+  def test_rejects_non_string_versions
+    assert_raises(TypeError) { @spec.version(1) }
+    assert_raises(TypeError) { @spec.version(2.0) }
+    assert_raises(TypeError) { @spec.version(Object.new) }
+  end
+
   def test_mirrors
     assert_empty @spec.mirrors
     @spec.mirror('foo')