Add tests for MockFunction deduction (#2277)

Add tests checking that ::testing::MockFunction template argument can be deduced in a function call context. This is a property raised in the review, however, not checked before by any tests.

Add tests for MockFunction deduction (#2277)
e41f31f2 · Adam Badura · 482ac6ee · e41f31f2
Commit e41f31f2 authored Dec 26, 2019 by Adam Badura
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gmock-function-mocker_test.cc googlemock/test/gmock-function-mocker_test.cc +30 -0

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--- a/googlemock/test/gmock-function-mocker_test.cc
+++ b/googlemock/test/gmock-function-mocker_test.cc
@@ -779,6 +779,36 @@ TEST(MockMethodMockFunctionTest, AsStdFunctionWithReferenceParameter) {
 }


+namespace {
+
+template <typename Expected, typename F>
+static constexpr bool IsMockFunctionTemplateArgumentDeducedTo(const MockFunction<F>&) {
+  return std::is_same<F, Expected>::value;
+}
+
+} // namespace
+
+template <typename F>
+class MockMethodMockFunctionSignatureTest : public Test {
+};
+
+using MockMethodMockFunctionSignatureTypes = Types<
+  void(),
+  int(),
+  void(int),
+  int(int),
+  int(bool, int),
+  int(bool, char, int, int, int, int, int, char, int, bool)
+>;
+TYPED_TEST_SUITE(MockMethodMockFunctionSignatureTest, MockMethodMockFunctionSignatureTypes);
+
+TYPED_TEST(MockMethodMockFunctionSignatureTest, IsMockFunctionTemplateArgumentDeduced) {
+  using Argument = TypeParam;
+  MockFunction<Argument> foo;
+  EXPECT_TRUE(IsMockFunctionTemplateArgumentDeducedTo<Argument>(foo));
+}
+
+
 struct MockMethodSizes0 {
  MOCK_METHOD(void, func, ());
 };