Add Cardinality#invocations_never_allowed?

I'm planning to use this in a subsequent commit.
freerange · Nov 13, 2024 · b24bd4e · b24bd4e
1 parent 19b27d1
commit b24bd4e
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diff --git a/lib/mocha/cardinality.rb b/lib/mocha/cardinality.rb
@@ -34,6 +34,10 @@ def invocations_allowed?
       @invocations.size < maximum
     end
 
+    def invocations_never_allowed?
+      maximum.zero?
+    end
+
     def satisfied?
       @invocations.size >= required
     end

diff --git a/test/unit/cardinality_test.rb b/test/unit/cardinality_test.rb
@@ -22,6 +22,13 @@ def test_should_allow_invocations_if_invocation_count_has_not_yet_reached_maximu
     assert !cardinality.invocations_allowed?
   end
 
+  def test_should_never_allow_invocations
+    cardinality = Cardinality.new.exactly(0)
+    assert cardinality.invocations_never_allowed?
+    cardinality << new_invocation
+    assert cardinality.invocations_never_allowed?
+  end
+
   def test_should_be_satisfied_if_invocations_so_far_have_reached_required_threshold
     cardinality = Cardinality.new(2, 3)
     assert !cardinality.satisfied?