Fixes the "ambiguous overload" compiler error when a mock function takes an argument that supports streaming to basic_ostream<C, T>.
diff --git a/test/gmock-printers_test.cc b/test/gmock-printers_test.cc
index 9677491..6254809 100644
--- a/test/gmock-printers_test.cc
+++ b/test/gmock-printers_test.cc
@@ -597,6 +597,64 @@
}
#endif // GTEST_HAS_STD_WSTRING
+// Tests printing types that support generic streaming (i.e. streaming
+// to std::basic_ostream<Char, CharTraits> for any valid Char and
+// CharTraits types).
+
+// Tests printing a non-template type that supports generic streaming.
+
+class AllowsGenericStreaming {};
+
+template <typename Char, typename CharTraits>
+std::basic_ostream<Char, CharTraits>& operator<<(
+ std::basic_ostream<Char, CharTraits>& os,
+ const AllowsGenericStreaming& a) {
+ return os << "AllowsGenericStreaming";
+}
+
+TEST(PrintTypeWithGenericStreamingTest, NonTemplateType) {
+ AllowsGenericStreaming a;
+ EXPECT_EQ("AllowsGenericStreaming", Print(a));
+}
+
+// Tests printing a template type that supports generic streaming.
+
+template <typename T>
+class AllowsGenericStreamingTemplate {};
+
+template <typename Char, typename CharTraits, typename T>
+std::basic_ostream<Char, CharTraits>& operator<<(
+ std::basic_ostream<Char, CharTraits>& os,
+ const AllowsGenericStreamingTemplate<T>& a) {
+ return os << "AllowsGenericStreamingTemplate";
+}
+
+TEST(PrintTypeWithGenericStreamingTest, TemplateType) {
+ AllowsGenericStreamingTemplate<int> a;
+ EXPECT_EQ("AllowsGenericStreamingTemplate", Print(a));
+}
+
+// Tests printing a type that supports generic streaming and can be
+// implicitly converted to another printable type.
+
+template <typename T>
+class AllowsGenericStreamingAndImplicitConversionTemplate {
+ public:
+ operator bool() const { return false; }
+};
+
+template <typename Char, typename CharTraits, typename T>
+std::basic_ostream<Char, CharTraits>& operator<<(
+ std::basic_ostream<Char, CharTraits>& os,
+ const AllowsGenericStreamingAndImplicitConversionTemplate<T>& a) {
+ return os << "AllowsGenericStreamingAndImplicitConversionTemplate";
+}
+
+TEST(PrintTypeWithGenericStreamingTest, TypeImplicitlyConvertible) {
+ AllowsGenericStreamingAndImplicitConversionTemplate<int> a;
+ EXPECT_EQ("AllowsGenericStreamingAndImplicitConversionTemplate", Print(a));
+}
+
// Tests printing STL containers.
TEST(PrintStlContainerTest, EmptyDeque) {