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-rw-r--r--googlemock/test/gmock-actions_test.cc160
1 files changed, 159 insertions, 1 deletions
diff --git a/googlemock/test/gmock-actions_test.cc b/googlemock/test/gmock-actions_test.cc
index 46011570..5dd48460 100644
--- a/googlemock/test/gmock-actions_test.cc
+++ b/googlemock/test/gmock-actions_test.cc
@@ -33,6 +33,15 @@
//
// This file tests the built-in actions.
+// Silence C4800 (C4800: 'int *const ': forcing value
+// to bool 'true' or 'false') for MSVC 14,15
+#ifdef _MSC_VER
+#if _MSC_VER <= 1900
+# pragma warning(push)
+# pragma warning(disable:4800)
+#endif
+#endif
+
#include "gmock/gmock-actions.h"
#include <algorithm>
#include <iterator>
@@ -65,6 +74,7 @@ using testing::ReturnRef;
using testing::ReturnRefOfCopy;
using testing::SetArgPointee;
using testing::SetArgumentPointee;
+using testing::Unused;
using testing::_;
using testing::get;
using testing::internal::BuiltInDefaultValue;
@@ -705,6 +715,8 @@ class MockClass {
MOCK_METHOD0(MakeUniqueBase, std::unique_ptr<Base>());
MOCK_METHOD0(MakeVectorUnique, std::vector<std::unique_ptr<int>>());
MOCK_METHOD1(TakeUnique, int(std::unique_ptr<int>));
+ MOCK_METHOD2(TakeUnique,
+ int(const std::unique_ptr<int>&, std::unique_ptr<int>));
#endif
private:
@@ -756,7 +768,7 @@ TEST(DoDefaultDeathTest, DiesIfUsedInCompositeAction) {
}
// Tests that DoDefault() returns the default value set by
-// DefaultValue<T>::Set() when it's not overridden by an ON_CALL().
+// DefaultValue<T>::Set() when it's not overriden by an ON_CALL().
TEST(DoDefaultTest, ReturnsUserSpecifiedPerTypeDefaultValueWhenThereIsOne) {
DefaultValue<int>::Set(1);
MockClass mock;
@@ -1411,6 +1423,152 @@ TEST(MockMethodTest, CanReturnMoveOnlyValue_Invoke) {
EXPECT_EQ(7, *vresult[0]);
}
+TEST(MockMethodTest, CanTakeMoveOnlyValue) {
+ MockClass mock;
+ auto make = [](int i) { return std::unique_ptr<int>(new int(i)); };
+
+ EXPECT_CALL(mock, TakeUnique(_)).WillRepeatedly([](std::unique_ptr<int> i) {
+ return *i;
+ });
+ // DoAll() does not compile, since it would move from its arguments twice.
+ // EXPECT_CALL(mock, TakeUnique(_, _))
+ // .WillRepeatedly(DoAll(Invoke([](std::unique_ptr<int> j) {}),
+ // Return(1)));
+ EXPECT_CALL(mock, TakeUnique(testing::Pointee(7)))
+ .WillOnce(Return(-7))
+ .RetiresOnSaturation();
+ EXPECT_CALL(mock, TakeUnique(testing::IsNull()))
+ .WillOnce(Return(-1))
+ .RetiresOnSaturation();
+
+ EXPECT_EQ(5, mock.TakeUnique(make(5)));
+ EXPECT_EQ(-7, mock.TakeUnique(make(7)));
+ EXPECT_EQ(7, mock.TakeUnique(make(7)));
+ EXPECT_EQ(7, mock.TakeUnique(make(7)));
+ EXPECT_EQ(-1, mock.TakeUnique({}));
+
+ // Some arguments are moved, some passed by reference.
+ auto lvalue = make(6);
+ EXPECT_CALL(mock, TakeUnique(_, _))
+ .WillOnce([](const std::unique_ptr<int>& i, std::unique_ptr<int> j) {
+ return *i * *j;
+ });
+ EXPECT_EQ(42, mock.TakeUnique(lvalue, make(7)));
+
+ // The unique_ptr can be saved by the action.
+ std::unique_ptr<int> saved;
+ EXPECT_CALL(mock, TakeUnique(_)).WillOnce([&saved](std::unique_ptr<int> i) {
+ saved = std::move(i);
+ return 0;
+ });
+ EXPECT_EQ(0, mock.TakeUnique(make(42)));
+ EXPECT_EQ(42, *saved);
+}
+
#endif // GTEST_HAS_STD_UNIQUE_PTR_
+#if GTEST_LANG_CXX11
+// Tests for std::function based action.
+
+int Add(int val, int& ref, int* ptr) { // NOLINT
+ int result = val + ref + *ptr;
+ ref = 42;
+ *ptr = 43;
+ return result;
+}
+
+int Deref(std::unique_ptr<int> ptr) { return *ptr; }
+
+struct Double {
+ template <typename T>
+ T operator()(T t) { return 2 * t; }
+};
+
+std::unique_ptr<int> UniqueInt(int i) {
+ return std::unique_ptr<int>(new int(i));
+}
+
+TEST(FunctorActionTest, ActionFromFunction) {
+ Action<int(int, int&, int*)> a = &Add;
+ int x = 1, y = 2, z = 3;
+ EXPECT_EQ(6, a.Perform(std::forward_as_tuple(x, y, &z)));
+ EXPECT_EQ(42, y);
+ EXPECT_EQ(43, z);
+
+ Action<int(std::unique_ptr<int>)> a1 = &Deref;
+ EXPECT_EQ(7, a1.Perform(std::make_tuple(UniqueInt(7))));
+}
+
+TEST(FunctorActionTest, ActionFromLambda) {
+ Action<int(bool, int)> a1 = [](bool b, int i) { return b ? i : 0; };
+ EXPECT_EQ(5, a1.Perform(make_tuple(true, 5)));
+ EXPECT_EQ(0, a1.Perform(make_tuple(false, 5)));
+
+ std::unique_ptr<int> saved;
+ Action<void(std::unique_ptr<int>)> a2 = [&saved](std::unique_ptr<int> p) {
+ saved = std::move(p);
+ };
+ a2.Perform(make_tuple(UniqueInt(5)));
+ EXPECT_EQ(5, *saved);
+}
+
+TEST(FunctorActionTest, PolymorphicFunctor) {
+ Action<int(int)> ai = Double();
+ EXPECT_EQ(2, ai.Perform(make_tuple(1)));
+ Action<double(double)> ad = Double(); // Double? Double double!
+ EXPECT_EQ(3.0, ad.Perform(make_tuple(1.5)));
+}
+
+TEST(FunctorActionTest, TypeConversion) {
+ // Numeric promotions are allowed.
+ const Action<bool(int)> a1 = [](int i) { return i > 1; };
+ const Action<int(bool)> a2 = Action<int(bool)>(a1);
+ EXPECT_EQ(1, a1.Perform(make_tuple(42)));
+ EXPECT_EQ(0, a2.Perform(make_tuple(42)));
+
+ // Implicit constructors are allowed.
+ const Action<bool(std::string)> s1 = [](std::string s) { return !s.empty(); };
+ const Action<int(const char*)> s2 = Action<int(const char*)>(s1);
+ EXPECT_EQ(0, s2.Perform(make_tuple("")));
+ EXPECT_EQ(1, s2.Perform(make_tuple("hello")));
+
+ // Also between the lambda and the action itself.
+ const Action<bool(std::string)> x = [](Unused) { return 42; };
+ EXPECT_TRUE(x.Perform(make_tuple("hello")));
+}
+
+TEST(FunctorActionTest, UnusedArguments) {
+ // Verify that users can ignore uninteresting arguments.
+ Action<int(int, std::unique_ptr<int>, const int&)> a =
+ [](int i, Unused, Unused) { return 2 * i; };
+ EXPECT_EQ(6, a.Perform(make_tuple(3, UniqueInt(7), 9)));
+}
+
+// Test that basic built-in actions work with move-only arguments.
+// TODO(rburny): Currently, almost all ActionInterface-based actions will not
+// work, even if they only try to use other, copyable arguments. Implement them
+// if necessary (but note that DoAll cannot work on non-copyable types anyway -
+// so maybe it's better to make users use lambdas instead.
+TEST(MoveOnlyArgumentsTest, ReturningActions) {
+ Action<int(std::unique_ptr<int>)> a = Return(1);
+ EXPECT_EQ(1, a.Perform(make_tuple(nullptr)));
+
+ a = testing::WithoutArgs([]() { return 7; });
+ EXPECT_EQ(7, a.Perform(make_tuple(nullptr)));
+
+ Action<void(std::unique_ptr<int>, int*)> a2 = testing::SetArgPointee<1>(3);
+ int x = 0;
+ a2.Perform(make_tuple(nullptr, &x));
+ EXPECT_EQ(x, 3);
+}
+
+#endif // GTEST_LANG_CXX11
+
} // Unnamed namespace
+
+#ifdef _MSC_VER
+#if _MSC_VER == 1900
+# pragma warning(pop)
+#endif
+#endif
+