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-rw-r--r--googlemock/test/gmock-actions_test.cc62
1 files changed, 62 insertions, 0 deletions
diff --git a/googlemock/test/gmock-actions_test.cc b/googlemock/test/gmock-actions_test.cc
index f63c8c5..ae4fa20 100644
--- a/googlemock/test/gmock-actions_test.cc
+++ b/googlemock/test/gmock-actions_test.cc
@@ -46,6 +46,7 @@
#include <iterator>
#include <memory>
#include <string>
+#include <type_traits>
#include "gmock/gmock.h"
#include "gmock/internal/gmock-port.h"
#include "gtest/gtest.h"
@@ -73,6 +74,7 @@ using testing::Return;
using testing::ReturnNull;
using testing::ReturnRef;
using testing::ReturnRefOfCopy;
+using testing::ReturnRoundRobin;
using testing::SetArgPointee;
using testing::SetArgumentPointee;
using testing::Unused;
@@ -646,6 +648,41 @@ TEST(ReturnRefTest, IsCovariant) {
EXPECT_EQ(&derived, &a.Perform(std::make_tuple()));
}
+template <typename T, typename = decltype(ReturnRef(std::declval<T&&>()))>
+bool CanCallReturnRef(T&&) { return true; }
+bool CanCallReturnRef(Unused) { return false; }
+
+// Tests that ReturnRef(v) is working with non-temporaries (T&)
+TEST(ReturnRefTest, WorksForNonTemporary) {
+ int scalar_value = 123;
+ EXPECT_TRUE(CanCallReturnRef(scalar_value));
+
+ std::string non_scalar_value("ABC");
+ EXPECT_TRUE(CanCallReturnRef(non_scalar_value));
+
+ const int const_scalar_value{321};
+ EXPECT_TRUE(CanCallReturnRef(const_scalar_value));
+
+ const std::string const_non_scalar_value("CBA");
+ EXPECT_TRUE(CanCallReturnRef(const_non_scalar_value));
+}
+
+// Tests that ReturnRef(v) is not working with temporaries (T&&)
+TEST(ReturnRefTest, DoesNotWorkForTemporary) {
+ auto scalar_value = []() -> int { return 123; };
+ EXPECT_FALSE(CanCallReturnRef(scalar_value()));
+
+ auto non_scalar_value = []() -> std::string { return "ABC"; };
+ EXPECT_FALSE(CanCallReturnRef(non_scalar_value()));
+
+ // cannot use here callable returning "const scalar type",
+ // because such const for scalar return type is ignored
+ EXPECT_FALSE(CanCallReturnRef(static_cast<const int>(321)));
+
+ auto const_non_scalar_value = []() -> const std::string { return "CBA"; };
+ EXPECT_FALSE(CanCallReturnRef(const_non_scalar_value()));
+}
+
// Tests that ReturnRefOfCopy(v) works for reference types.
TEST(ReturnRefOfCopyTest, WorksForReference) {
int n = 42;
@@ -670,6 +707,31 @@ TEST(ReturnRefOfCopyTest, IsCovariant) {
EXPECT_NE(&derived, &a.Perform(std::make_tuple()));
}
+// Tests that ReturnRoundRobin(v) works with initializer lists
+TEST(ReturnRoundRobinTest, WorksForInitList) {
+ Action<int()> ret = ReturnRoundRobin({1, 2, 3});
+
+ EXPECT_EQ(1, ret.Perform(std::make_tuple()));
+ EXPECT_EQ(2, ret.Perform(std::make_tuple()));
+ EXPECT_EQ(3, ret.Perform(std::make_tuple()));
+ EXPECT_EQ(1, ret.Perform(std::make_tuple()));
+ EXPECT_EQ(2, ret.Perform(std::make_tuple()));
+ EXPECT_EQ(3, ret.Perform(std::make_tuple()));
+}
+
+// Tests that ReturnRoundRobin(v) works with vectors
+TEST(ReturnRoundRobinTest, WorksForVector) {
+ std::vector<double> v = {4.4, 5.5, 6.6};
+ Action<double()> ret = ReturnRoundRobin(v);
+
+ EXPECT_EQ(4.4, ret.Perform(std::make_tuple()));
+ EXPECT_EQ(5.5, ret.Perform(std::make_tuple()));
+ EXPECT_EQ(6.6, ret.Perform(std::make_tuple()));
+ EXPECT_EQ(4.4, ret.Perform(std::make_tuple()));
+ EXPECT_EQ(5.5, ret.Perform(std::make_tuple()));
+ EXPECT_EQ(6.6, ret.Perform(std::make_tuple()));
+}
+
// Tests that DoDefault() does the default action for the mock method.
class MockClass {