Add Expectation#invocations_never_allowed?

I'm planning to use this in a subsequent commit.
freerange · Nov 13, 2024 · 471b996 · 471b996
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diff --git a/lib/mocha/expectation.rb b/lib/mocha/expectation.rb
@@ -653,6 +653,11 @@ def invocations_allowed?
       @cardinality.invocations_allowed?
     end
 
+    # @private
+    def invocations_never_allowed?
+      @cardinality.invocations_never_allowed?
+    end
+
     # @private
     def satisfied?
       @cardinality.satisfied?

diff --git a/test/unit/expectation_test.rb b/test/unit/expectation_test.rb
@@ -88,6 +88,13 @@ def test_should_allow_invocations_until_expected_invocation_count_is_a_range_fro
     assert !expectation.invocations_allowed?
   end
 
+  def test_should_never_allow_invocations
+    expectation = new_expectation.never
+    assert expectation.invocations_never_allowed?
+    invoke(expectation)
+    assert expectation.invocations_never_allowed?
+  end
+
   def test_should_store_provided_backtrace
     backtrace = Object.new
     assert_equal backtrace, Expectation.new(nil, :expected_method, backtrace).backtrace