Optimise sort, hash and equality operations

1 files changed, 13 insertions, 0 deletions

diff --git a/spec/unit/core/dependency_spec.rb b/spec/unit/core/dependency_spec.rb
index 3e1695d..648ade2 100644
--- a/spec/unit/core/dependency_spec.rb
+++ b/spec/unit/core/dependency_spec.rb
@@ -14,4 +14,17 @@ RSpec.describe Spandx::Core::Dependency do
     specify { expect(subject).not_to be_managed_by(nil) }
     specify { expect(subject).not_to be_managed_by(:rubygems) }
   end
+
+  describe '<=>' do
+    def build(name, version)
+      described_class.new(package_manager: :rubygems, name: name, version: version)
+    end
+
+    specify { expect(build('abc', '0.1.0') <=> build('bcd', '0.1.0')).to be < 0 }
+    specify { expect(build('Abc', '0.1.0') <=> build('acd', '0.1.0')).to be < 0 }
+    specify { expect(build('spandx', '1.0.0') <=> build('spandx', '2.0.0')).to be < 0 }
+    specify { expect(build('spandx', '1.0.0') <=> build('spandx', nil)).to be > 0 }
+    specify { expect(build('spandx', '1.0.0') <=> build(nil, '1.0.0')).to be > 0 }
+    specify { expect(build('spandx', '1.0.0') <=> nil).to be > 0 }
+  end
 end