Makes Google Mock compile much faster and use much less memory; reviewed by...

Makes Google Mock compile much faster and use much less memory; reviewed by Nico Weber.  This fixes issue 68.

include/gmock/gmock-actions.h

@@ -59,9 +59,6 @@ namespace testing {
 
 namespace internal {
 
-template <typename F>
-class MonomorphicDoDefaultActionImpl;
-
 template <typename F1, typename F2>
 class ActionAdaptor;
 
@@ -255,8 +252,7 @@ class ActionInterface {
   typedef typename internal::Function<F>::Result Result;
   typedef typename internal::Function<F>::ArgumentTuple ArgumentTuple;
 
-  ActionInterface() : is_do_default_(false) {}
-
+  ActionInterface() {}
   virtual ~ActionInterface() {}
 
   // Performs the action.  This method is not const, as in general an
@@ -265,21 +261,7 @@ class ActionInterface {
   // remember the current element.
   virtual Result Perform(const ArgumentTuple& args) = 0;
 
-  // Returns true iff this is the DoDefault() action.
-  bool IsDoDefault() const { return is_do_default_; }
-
  private:
-  template <typename Function>
-  friend class internal::MonomorphicDoDefaultActionImpl;
-
-  // This private constructor is reserved for implementing
-  // DoDefault(), the default action for a given mock function.
-  explicit ActionInterface(bool is_do_default)
-      : is_do_default_(is_do_default) {}
-
-  // True iff this action is DoDefault().
-  const bool is_do_default_;
-
   GTEST_DISALLOW_COPY_AND_ASSIGN_(ActionInterface);
 };
 
@@ -302,7 +284,8 @@ class Action {
   // STL containers.
   Action() : impl_(NULL) {}
 
-  // Constructs an Action from its implementation.
+  // Constructs an Action from its implementation.  A NULL impl is
+  // used to represent the "do-default" action.
   explicit Action(ActionInterface<F>* impl) : impl_(impl) {}
 
   // Copy constructor.
@@ -316,7 +299,7 @@ class Action {
   explicit Action(const Action<Func>& action);
 
   // Returns true iff this is the DoDefault() action.
-  bool IsDoDefault() const { return impl_->IsDoDefault(); }
+  bool IsDoDefault() const { return impl_.get() == NULL; }
 
   // Performs the action.  Note that this method is const even though
   // the corresponding method in ActionInterface is not.  The reason
@@ -325,6 +308,13 @@ class Action {
   // cannot change state.  (Think of the difference between a const
   // pointer and a pointer to const.)
   Result Perform(const ArgumentTuple& args) const {
+    internal::Assert(
+        !IsDoDefault(), __FILE__, __LINE__,
+        "You are using DoDefault() inside a composite action like "
+        "DoAll() or WithArgs().  This is not supported for technical "
+        "reasons.  Please instead spell out the default action, or "
+        "assign the default action to an Action variable and use "
+        "the variable in various places.");
     return impl_->Perform(args);
   }
 
@@ -633,42 +623,13 @@ class ReturnRefOfCopyAction {
   GTEST_DISALLOW_ASSIGN_(ReturnRefOfCopyAction);
 };
 
-// Implements the DoDefault() action for a particular function type F.
-template <typename F>
-class MonomorphicDoDefaultActionImpl : public ActionInterface<F> {
- public:
-  typedef typename Function<F>::Result Result;
-  typedef typename Function<F>::ArgumentTuple ArgumentTuple;
-
-  MonomorphicDoDefaultActionImpl() : ActionInterface<F>(true) {}
-
-  // For technical reasons, DoDefault() cannot be used inside a
-  // composite action (e.g. DoAll(...)).  It can only be used at the
-  // top level in an EXPECT_CALL().  If this function is called, the
-  // user must be using DoDefault() inside a composite action, and we
-  // have to generate a run-time error.
-  virtual Result Perform(const ArgumentTuple&) {
-    Assert(false, __FILE__, __LINE__,
-           "You are using DoDefault() inside a composite action like "
-           "DoAll() or WithArgs().  This is not supported for technical "
-           "reasons.  Please instead spell out the default action, or "
-           "assign the default action to an Action variable and use "
-           "the variable in various places.");
-    return internal::Invalid<Result>();
-    // The above statement will never be reached, but is required in
-    // order for this function to compile.
-  }
-};
-
 // Implements the polymorphic DoDefault() action.
 class DoDefaultAction {
  public:
   // This template type conversion operator allows DoDefault() to be
   // used in any function.
   template <typename F>
-  operator Action<F>() const {
-    return Action<F>(new MonomorphicDoDefaultActionImpl<F>);
-  }
+  operator Action<F>() const { return Action<F>(NULL); }
 };
 
 // Implements the Assign action to set a given pointer referent to a

include/gmock/gmock-generated-function-mockers.h

-// This file was GENERATED by a script.  DO NOT EDIT BY HAND!!!
+// This file was GENERATED by command:
+//     pump.py gmock-generated-function-mockers.h.pump
+// DO NOT EDIT BY HAND!!!
 
 // Copyright 2007, Google Inc.
 // All rights reserved.
@@ -352,7 +354,8 @@ using internal::FunctionMocker;
   } \
   ::testing::MockSpec<F>& \
       gmock_##Method() constness { \
-    return GMOCK_MOCKER_(0, constness, Method).RegisterOwner(this).With(); \
+    GMOCK_MOCKER_(0, constness, Method).RegisterOwner(this); \
+    return GMOCK_MOCKER_(0, constness, Method).With(); \
   } \
   mutable ::testing::FunctionMocker<F> GMOCK_MOCKER_(0, constness, Method)
 
@@ -367,8 +370,8 @@ using internal::FunctionMocker;
   } \
   ::testing::MockSpec<F>& \
       gmock_##Method(GMOCK_MATCHER_(tn, F, 1) gmock_a1) constness { \
-    return GMOCK_MOCKER_(1, constness, \
-        Method).RegisterOwner(this).With(gmock_a1); \
+    GMOCK_MOCKER_(1, constness, Method).RegisterOwner(this); \
+    return GMOCK_MOCKER_(1, constness, Method).With(gmock_a1); \
   } \
   mutable ::testing::FunctionMocker<F> GMOCK_MOCKER_(1, constness, Method)
 
@@ -385,8 +388,8 @@ using internal::FunctionMocker;
   ::testing::MockSpec<F>& \
       gmock_##Method(GMOCK_MATCHER_(tn, F, 1) gmock_a1, \
                      GMOCK_MATCHER_(tn, F, 2) gmock_a2) constness { \
-    return GMOCK_MOCKER_(2, constness, \
-        Method).RegisterOwner(this).With(gmock_a1, gmock_a2); \
+    GMOCK_MOCKER_(2, constness, Method).RegisterOwner(this); \
+    return GMOCK_MOCKER_(2, constness, Method).With(gmock_a1, gmock_a2); \
   } \
   mutable ::testing::FunctionMocker<F> GMOCK_MOCKER_(2, constness, Method)
 
@@ -406,8 +409,9 @@ using internal::FunctionMocker;
       gmock_##Method(GMOCK_MATCHER_(tn, F, 1) gmock_a1, \
                      GMOCK_MATCHER_(tn, F, 2) gmock_a2, \
                      GMOCK_MATCHER_(tn, F, 3) gmock_a3) constness { \
-    return GMOCK_MOCKER_(3, constness, \
-        Method).RegisterOwner(this).With(gmock_a1, gmock_a2, gmock_a3); \
+    GMOCK_MOCKER_(3, constness, Method).RegisterOwner(this); \
+    return GMOCK_MOCKER_(3, constness, Method).With(gmock_a1, gmock_a2, \
+        gmock_a3); \
   } \
   mutable ::testing::FunctionMocker<F> GMOCK_MOCKER_(3, constness, Method)
 
@@ -429,9 +433,9 @@ using internal::FunctionMocker;
                      GMOCK_MATCHER_(tn, F, 2) gmock_a2, \
                      GMOCK_MATCHER_(tn, F, 3) gmock_a3, \
                      GMOCK_MATCHER_(tn, F, 4) gmock_a4) constness { \
-    return GMOCK_MOCKER_(4, constness, \
-        Method).RegisterOwner(this).With(gmock_a1, gmock_a2, gmock_a3, \
-        gmock_a4); \
+    GMOCK_MOCKER_(4, constness, Method).RegisterOwner(this); \
+    return GMOCK_MOCKER_(4, constness, Method).With(gmock_a1, gmock_a2, \
+        gmock_a3, gmock_a4); \
   } \
   mutable ::testing::FunctionMocker<F> GMOCK_MOCKER_(4, constness, Method)
 
@@ -455,9 +459,9 @@ using internal::FunctionMocker;
                      GMOCK_MATCHER_(tn, F, 3) gmock_a3, \
                      GMOCK_MATCHER_(tn, F, 4) gmock_a4, \
                      GMOCK_MATCHER_(tn, F, 5) gmock_a5) constness { \
-    return GMOCK_MOCKER_(5, constness, \
-        Method).RegisterOwner(this).With(gmock_a1, gmock_a2, gmock_a3, \
-        gmock_a4, gmock_a5); \
+    GMOCK_MOCKER_(5, constness, Method).RegisterOwner(this); \
+    return GMOCK_MOCKER_(5, constness, Method).With(gmock_a1, gmock_a2, \
+        gmock_a3, gmock_a4, gmock_a5); \
   } \
   mutable ::testing::FunctionMocker<F> GMOCK_MOCKER_(5, constness, Method)
 
@@ -483,9 +487,9 @@ using internal::FunctionMocker;
                      GMOCK_MATCHER_(tn, F, 4) gmock_a4, \
                      GMOCK_MATCHER_(tn, F, 5) gmock_a5, \
                      GMOCK_MATCHER_(tn, F, 6) gmock_a6) constness { \
-    return GMOCK_MOCKER_(6, constness, \
-        Method).RegisterOwner(this).With(gmock_a1, gmock_a2, gmock_a3, \
-        gmock_a4, gmock_a5, gmock_a6); \
+    GMOCK_MOCKER_(6, constness, Method).RegisterOwner(this); \
+    return GMOCK_MOCKER_(6, constness, Method).With(gmock_a1, gmock_a2, \
+        gmock_a3, gmock_a4, gmock_a5, gmock_a6); \
   } \
   mutable ::testing::FunctionMocker<F> GMOCK_MOCKER_(6, constness, Method)
 
@@ -513,9 +517,9 @@ using internal::FunctionMocker;
                      GMOCK_MATCHER_(tn, F, 5) gmock_a5, \
                      GMOCK_MATCHER_(tn, F, 6) gmock_a6, \
                      GMOCK_MATCHER_(tn, F, 7) gmock_a7) constness { \
-    return GMOCK_MOCKER_(7, constness, \
-        Method).RegisterOwner(this).With(gmock_a1, gmock_a2, gmock_a3, \
-        gmock_a4, gmock_a5, gmock_a6, gmock_a7); \
+    GMOCK_MOCKER_(7, constness, Method).RegisterOwner(this); \
+    return GMOCK_MOCKER_(7, constness, Method).With(gmock_a1, gmock_a2, \
+        gmock_a3, gmock_a4, gmock_a5, gmock_a6, gmock_a7); \
   } \
   mutable ::testing::FunctionMocker<F> GMOCK_MOCKER_(7, constness, Method)
 
@@ -545,9 +549,9 @@ using internal::FunctionMocker;
                      GMOCK_MATCHER_(tn, F, 6) gmock_a6, \
                      GMOCK_MATCHER_(tn, F, 7) gmock_a7, \
                      GMOCK_MATCHER_(tn, F, 8) gmock_a8) constness { \
-    return GMOCK_MOCKER_(8, constness, \
-        Method).RegisterOwner(this).With(gmock_a1, gmock_a2, gmock_a3, \
-        gmock_a4, gmock_a5, gmock_a6, gmock_a7, gmock_a8); \
+    GMOCK_MOCKER_(8, constness, Method).RegisterOwner(this); \
+    return GMOCK_MOCKER_(8, constness, Method).With(gmock_a1, gmock_a2, \
+        gmock_a3, gmock_a4, gmock_a5, gmock_a6, gmock_a7, gmock_a8); \
   } \
   mutable ::testing::FunctionMocker<F> GMOCK_MOCKER_(8, constness, Method)
 
@@ -580,9 +584,10 @@ using internal::FunctionMocker;
                      GMOCK_MATCHER_(tn, F, 7) gmock_a7, \
                      GMOCK_MATCHER_(tn, F, 8) gmock_a8, \
                      GMOCK_MATCHER_(tn, F, 9) gmock_a9) constness { \
-    return GMOCK_MOCKER_(9, constness, \
-        Method).RegisterOwner(this).With(gmock_a1, gmock_a2, gmock_a3, \
-        gmock_a4, gmock_a5, gmock_a6, gmock_a7, gmock_a8, gmock_a9); \
+    GMOCK_MOCKER_(9, constness, Method).RegisterOwner(this); \
+    return GMOCK_MOCKER_(9, constness, Method).With(gmock_a1, gmock_a2, \
+        gmock_a3, gmock_a4, gmock_a5, gmock_a6, gmock_a7, gmock_a8, \
+        gmock_a9); \
   } \
   mutable ::testing::FunctionMocker<F> GMOCK_MOCKER_(9, constness, Method)
 
@@ -617,9 +622,9 @@ using internal::FunctionMocker;
                      GMOCK_MATCHER_(tn, F, 8) gmock_a8, \
                      GMOCK_MATCHER_(tn, F, 9) gmock_a9, \
                      GMOCK_MATCHER_(tn, F, 10) gmock_a10) constness { \
-    return GMOCK_MOCKER_(10, constness, \
-        Method).RegisterOwner(this).With(gmock_a1, gmock_a2, gmock_a3, \
-        gmock_a4, gmock_a5, gmock_a6, gmock_a7, gmock_a8, gmock_a9, \
+    GMOCK_MOCKER_(10, constness, Method).RegisterOwner(this); \
+    return GMOCK_MOCKER_(10, constness, Method).With(gmock_a1, gmock_a2, \
+        gmock_a3, gmock_a4, gmock_a5, gmock_a6, gmock_a7, gmock_a8, gmock_a9, \
         gmock_a10); \
   } \
   mutable ::testing::FunctionMocker<F> GMOCK_MOCKER_(10, constness, Method)

include/gmock/gmock-generated-function-mockers.h.pump

@@ -140,7 +140,8 @@ $var matcher_as = [[$for j, \
   } \
   ::testing::MockSpec<F>& \
       gmock_##Method($matcher_as) constness { \
-    return GMOCK_MOCKER_($i, constness, Method).RegisterOwner(this).With($as); \
+    GMOCK_MOCKER_($i, constness, Method).RegisterOwner(this); \
+    return GMOCK_MOCKER_($i, constness, Method).With($as); \
   } \
   mutable ::testing::FunctionMocker<F> GMOCK_MOCKER_($i, constness, Method)
 

scripts/gmock_doctor.py

@@ -261,8 +261,8 @@ def _IncompleteByReferenceArgumentDiagnoser(msg):
                  r'(.*\n)*?' +
                  _CLANG_NON_GMOCK_FILE_LINE_RE +
                  r'note: in instantiation of member function '
-                 r'\'testing::internal::FunctionMocker<.*>::Invoke\' '
-                 r'requested here')
+                 r'\'testing::internal2::TypeWithoutFormatter<.*>::'
+                 r'PrintValue\' requested here')
   diagnosis = """
 In order to mock this function, Google Mock needs to see the definition
 of type "%(type)s" - declaration alone is not enough.  Either #include

src/gmock-spec-builders.cc

@@ -55,6 +55,15 @@ namespace internal {
 // mockers, and all expectations.
 GTEST_DEFINE_STATIC_MUTEX_(g_gmock_mutex);
 
+// Logs a message including file and line number information.
+void LogWithLocation(testing::internal::LogSeverity severity,
+                     const char* file, int line,
+                     const string& message) {
+  ::std::ostringstream s;
+  s << file << ":" << line << ": " << message << ::std::endl;
+  Log(severity, s.str(), 0);
+}
+
 // Constructs an ExpectationBase object.
 ExpectationBase::ExpectationBase(const char* a_file,
                                  int a_line,
@@ -65,8 +74,12 @@ ExpectationBase::ExpectationBase(const char* a_file,
       cardinality_specified_(false),
       cardinality_(Exactly(1)),
       call_count_(0),
-      retired_(false) {
-}
+      retired_(false),
+      extra_matcher_specified_(false),
+      repeated_action_specified_(false),
+      retires_on_saturation_(false),
+      last_clause_(kNone),
+      action_count_checked_(false) {}
 
 // Destructs an ExpectationBase object.
 ExpectationBase::~ExpectationBase() {}
@@ -132,6 +145,99 @@ void ExpectationBase::FindUnsatisfiedPrerequisites(
   }
 }
 
+// Describes how many times a function call matching this
+// expectation has occurred.
+// L >= g_gmock_mutex
+void ExpectationBase::DescribeCallCountTo(::std::ostream* os) const {
+  g_gmock_mutex.AssertHeld();
+
+  // Describes how many times the function is expected to be called.
+  *os << "         Expected: to be ";
+  cardinality().DescribeTo(os);
+  *os << "\n           Actual: ";
+  Cardinality::DescribeActualCallCountTo(call_count(), os);
+
+  // Describes the state of the expectation (e.g. is it satisfied?
+  // is it active?).
+  *os << " - " << (IsOverSaturated() ? "over-saturated" :
+                   IsSaturated() ? "saturated" :
+                   IsSatisfied() ? "satisfied" : "unsatisfied")
+      << " and "
+      << (is_retired() ? "retired" : "active");
+}
+
+// Checks the action count (i.e. the number of WillOnce() and
+// WillRepeatedly() clauses) against the cardinality if this hasn't
+// been done before.  Prints a warning if there are too many or too
+// few actions.
+// L < mutex_
+void ExpectationBase::CheckActionCountIfNotDone() const {
+  bool should_check = false;
+  {
+    MutexLock l(&mutex_);
+    if (!action_count_checked_) {
+      action_count_checked_ = true;
+      should_check = true;
+    }
+  }
+
+  if (should_check) {
+    if (!cardinality_specified_) {
+      // The cardinality was inferred - no need to check the action
+      // count against it.
+      return;
+    }
+
+    // The cardinality was explicitly specified.
+    const int action_count = static_cast<int>(untyped_actions_.size());
+    const int upper_bound = cardinality().ConservativeUpperBound();
+    const int lower_bound = cardinality().ConservativeLowerBound();
+    bool too_many;  // True if there are too many actions, or false
+    // if there are too few.
+    if (action_count > upper_bound ||
+        (action_count == upper_bound && repeated_action_specified_)) {
+      too_many = true;
+    } else if (0 < action_count && action_count < lower_bound &&
+               !repeated_action_specified_) {
+      too_many = false;
+    } else {
+      return;
+    }
+
+    ::std::stringstream ss;
+    DescribeLocationTo(&ss);
+    ss << "Too " << (too_many ? "many" : "few")
+       << " actions specified in " << source_text() << "...\n"
+       << "Expected to be ";
+    cardinality().DescribeTo(&ss);
+    ss << ", but has " << (too_many ? "" : "only ")
+       << action_count << " WillOnce()"
+       << (action_count == 1 ? "" : "s");
+    if (repeated_action_specified_) {
+      ss << " and a WillRepeatedly()";
+    }
+    ss << ".";
+    Log(WARNING, ss.str(), -1);  // -1 means "don't print stack trace".
+  }
+}
+
+// Implements the .Times() clause.
+void ExpectationBase::UntypedTimes(const Cardinality& a_cardinality) {
+  if (last_clause_ == kTimes) {
+    ExpectSpecProperty(false,
+                       ".Times() cannot appear "
+                       "more than once in an EXPECT_CALL().");
+  } else {
+    ExpectSpecProperty(last_clause_ < kTimes,
+                       ".Times() cannot appear after "
+                       ".InSequence(), .WillOnce(), .WillRepeatedly(), "
+                       "or .RetiresOnSaturation().");
+  }
+  last_clause_ = kTimes;
+
+  SpecifyCardinality(a_cardinality);
+}
+
 // Points to the implicit sequence introduced by a living InSequence
 // object (if any) in the current thread or NULL.
 ThreadLocal<Sequence*> g_gmock_implicit_sequence;
@@ -151,6 +257,233 @@ void ReportUninterestingCall(CallReaction reaction, const string& msg) {
   }
 }
 
+UntypedFunctionMockerBase::UntypedFunctionMockerBase()
+    : mock_obj_(NULL), name_("") {}
+
+UntypedFunctionMockerBase::~UntypedFunctionMockerBase() {}
+
+// Sets the mock object this mock method belongs to, and registers
+// this information in the global mock registry.  Will be called
+// whenever an EXPECT_CALL() or ON_CALL() is executed on this mock
+// method.
+// L < g_gmock_mutex
+void UntypedFunctionMockerBase::RegisterOwner(const void* mock_obj) {
+  {
+    MutexLock l(&g_gmock_mutex);
+    mock_obj_ = mock_obj;
+  }
+  Mock::Register(mock_obj, this);
+}
+
+// Sets the mock object this mock method belongs to, and sets the name
+// of the mock function.  Will be called upon each invocation of this
+// mock function.
+// L < g_gmock_mutex
+void UntypedFunctionMockerBase::SetOwnerAndName(
+    const void* mock_obj, const char* name) {
+  // We protect name_ under g_gmock_mutex in case this mock function
+  // is called from two threads concurrently.
+  MutexLock l(&g_gmock_mutex);
+  mock_obj_ = mock_obj;
+  name_ = name;
+}
+
+// Returns the name of the function being mocked.  Must be called
+// after RegisterOwner() or SetOwnerAndName() has been called.
+// L < g_gmock_mutex
+const void* UntypedFunctionMockerBase::MockObject() const {
+  const void* mock_obj;
+  {
+    // We protect mock_obj_ under g_gmock_mutex in case this mock
+    // function is called from two threads concurrently.
+    MutexLock l(&g_gmock_mutex);
+    Assert(mock_obj_ != NULL, __FILE__, __LINE__,
+           "MockObject() must not be called before RegisterOwner() or "
+           "SetOwnerAndName() has been called.");
+    mock_obj = mock_obj_;
+  }
+  return mock_obj;
+}
+
+// Returns the name of this mock method.  Must be called after
+// SetOwnerAndName() has been called.
+// L < g_gmock_mutex
+const char* UntypedFunctionMockerBase::Name() const {
+  const char* name;
+  {
+    // We protect name_ under g_gmock_mutex in case this mock
+    // function is called from two threads concurrently.
+    MutexLock l(&g_gmock_mutex);
+    Assert(name_ != NULL, __FILE__, __LINE__,
+           "Name() must not be called before SetOwnerAndName() has "
+           "been called.");
+    name = name_;
+  }
+  return name;
+}
+
+// Calculates the result of invoking this mock function with the given
+// arguments, prints it, and returns it.  The caller is responsible
+// for deleting the result.
+// L < g_gmock_mutex
+const UntypedActionResultHolderBase*
+UntypedFunctionMockerBase::UntypedInvokeWith(const void* const untyped_args) {
+  if (untyped_expectations_.size() == 0) {
+    // No expectation is set on this mock method - we have an
+    // uninteresting call.
+
+    // We must get Google Mock's reaction on uninteresting calls
+    // made on this mock object BEFORE performing the action,
+    // because the action may DELETE the mock object and make the
+    // following expression meaningless.
+    const CallReaction reaction =
+        Mock::GetReactionOnUninterestingCalls(MockObject());
+
+    // True iff we need to print this call's arguments and return
+    // value.  This definition must be kept in sync with
+    // the behavior of ReportUninterestingCall().
+    const bool need_to_report_uninteresting_call =
+        // If the user allows this uninteresting call, we print it
+        // only when he wants informational messages.
+        reaction == ALLOW ? LogIsVisible(INFO) :
+        // If the user wants this to be a warning, we print it only
+        // when he wants to see warnings.
+        reaction == WARN ? LogIsVisible(WARNING) :
+        // Otherwise, the user wants this to be an error, and we
+        // should always print detailed information in the error.
+        true;
+
+    if (!need_to_report_uninteresting_call) {
+      // Perform the action without printing the call information.
+      return this->UntypedPerformDefaultAction(untyped_args, "");
+    }
+
+    // Warns about the uninteresting call.
+    ::std::stringstream ss;
+    this->UntypedDescribeUninterestingCall(untyped_args, &ss);
+
+    // Calculates the function result.
+    const UntypedActionResultHolderBase* const result =
+        this->UntypedPerformDefaultAction(untyped_args, ss.str());
+
+    // Prints the function result.
+    if (result != NULL)
+      result->PrintAsActionResult(&ss);
+
+    ReportUninterestingCall(reaction, ss.str());
+    return result;
+  }
+
+  bool is_excessive = false;
+  ::std::stringstream ss;
+  ::std::stringstream why;
+  ::std::stringstream loc;
+  const void* untyped_action = NULL;
+
+  // The UntypedFindMatchingExpectation() function acquires and
+  // releases g_gmock_mutex.
+  const ExpectationBase* const untyped_expectation =
+      this->UntypedFindMatchingExpectation(
+          untyped_args, &untyped_action, &is_excessive,
+          &ss, &why);
+  const bool found = untyped_expectation != NULL;
+
+  // True iff we need to print the call's arguments and return value.
+  // This definition must be kept in sync with the uses of Expect()
+  // and Log() in this function.
+  const bool need_to_report_call = !found || is_excessive || LogIsVisible(INFO);
+  if (!need_to_report_call) {
+    // Perform the action without printing the call information.
+    return
+        untyped_action == NULL ?
+        this->UntypedPerformDefaultAction(untyped_args, "") :
+        this->UntypedPerformAction(untyped_action, untyped_args);
+  }
+
+  ss << "    Function call: " << Name();
+  this->UntypedPrintArgs(untyped_args, &ss);
+
+  // In case the action deletes a piece of the expectation, we
+  // generate the message beforehand.
+  if (found && !is_excessive) {
+    untyped_expectation->DescribeLocationTo(&loc);
+  }
+
+  const UntypedActionResultHolderBase* const result =
+      untyped_action == NULL ?
+      this->UntypedPerformDefaultAction(untyped_args, ss.str()) :
+      this->UntypedPerformAction(untyped_action, untyped_args);
+  if (result != NULL)
+    result->PrintAsActionResult(&ss);
+  ss << "\n" << why.str();
+
+  if (!found) {
+    // No expectation matches this call - reports a failure.
+    Expect(false, NULL, -1, ss.str());
+  } else if (is_excessive) {
+    // We had an upper-bound violation and the failure message is in ss.
+    Expect(false, untyped_expectation->file(),
+           untyped_expectation->line(), ss.str());
+  } else {
+    // We had an expected call and the matching expectation is
+    // described in ss.
+    Log(INFO, loc.str() + ss.str(), 2);
+  }
+
+  return result;
+}
+
+// Returns an Expectation object that references and co-owns exp,
+// which must be an expectation on this mock function.
+Expectation UntypedFunctionMockerBase::GetHandleOf(ExpectationBase* exp) {
+  for (UntypedExpectations::const_iterator it =
+           untyped_expectations_.begin();
+       it != untyped_expectations_.end(); ++it) {
+    if (it->get() == exp) {
+      return Expectation(*it);
+    }
+  }
+
+  Assert(false, __FILE__, __LINE__, "Cannot find expectation.");
+  return Expectation();
+  // The above statement is just to make the code compile, and will
+  // never be executed.
+}
+
+// Verifies that all expectations on this mock function have been
+// satisfied.  Reports one or more Google Test non-fatal failures
+// and returns false if not.
+// L >= g_gmock_mutex
+bool UntypedFunctionMockerBase::VerifyAndClearExpectationsLocked() {
+  g_gmock_mutex.AssertHeld();
+  bool expectations_met = true;
+  for (UntypedExpectations::const_iterator it =
+           untyped_expectations_.begin();
+       it != untyped_expectations_.end(); ++it) {
+    ExpectationBase* const untyped_expectation = it->get();
+    if (untyped_expectation->IsOverSaturated()) {
+      // There was an upper-bound violation.  Since the error was
+      // already reported when it occurred, there is no need to do
+      // anything here.
+      expectations_met = false;
+    } else if (!untyped_expectation->IsSatisfied()) {
+      expectations_met = false;
+      ::std::stringstream ss;
+      ss  << "Actual function call count doesn't match "
+          << untyped_expectation->source_text() << "...\n";
+      // No need to show the source file location of the expectation
+      // in the description, as the Expect() call that follows already
+      // takes care of it.
+      untyped_expectation->MaybeDescribeExtraMatcherTo(&ss);
+      untyped_expectation->DescribeCallCountTo(&ss);
+      Expect(false, untyped_expectation->file(),
+             untyped_expectation->line(), ss.str());
+    }
+  }
+  untyped_expectations_.clear();
+  return expectations_met;
+}
+
 }  // namespace internal
 
 // Class Mock.
@@ -190,7 +523,6 @@ class MockObjectRegistry {
   // object alive.  Therefore we report any living object as test
   // failure, unless the user explicitly asked us to ignore it.
   ~MockObjectRegistry() {
-
     // "using ::std::cout;" doesn't work with Symbian's STLport, where cout is
     // a macro.
 

test/gmock-actions_test.cc

@@ -334,8 +334,7 @@ class MyActionImpl : public ActionInterface<MyFunction> {
 
 TEST(ActionInterfaceTest, CanBeImplementedByDefiningPerform) {
   MyActionImpl my_action_impl;
-
-  EXPECT_FALSE(my_action_impl.IsDoDefault());
+  (void)my_action_impl;
 }
 
 TEST(ActionInterfaceTest, MakeAction) {

test/gmock-spec-builders_test.cc

@@ -103,6 +103,34 @@ using testing::internal::CaptureStdout;
 using testing::internal::GetCapturedStdout;
 #endif
 
+class Incomplete;
+
+class MockIncomplete {
+ public:
+  // This line verifies that a mock method can take a by-reference
+  // argument of an incomplete type.
+  MOCK_METHOD1(ByRefFunc, void(const Incomplete& x));
+};
+
+// Tells Google Mock how to print a value of type Incomplete.
+void PrintTo(const Incomplete& x, ::std::ostream* os);
+
+TEST(MockMethodTest, CanInstantiateWithIncompleteArgType) {
+  // Even though this mock class contains a mock method that takes
+  // by-reference an argument whose type is incomplete, we can still
+  // use the mock, as long as Google Mock knows how to print the
+  // argument.
+  MockIncomplete incomplete;
+  EXPECT_CALL(incomplete, ByRefFunc(_))
+      .Times(AnyNumber());
+}
+
+// The definition of the printer for the argument type doesn't have to
+// be visible where the mock is used.
+void PrintTo(const Incomplete& /* x */, ::std::ostream* os) {
+  *os << "incomplete";
+}
+
 class Result {};
 
 class MockA {
@@ -1327,12 +1355,33 @@ TEST(SequenceTest, Retirement) {
 TEST(ExpectationTest, ConstrutorsWork) {
   MockA a;
   Expectation e1;  // Default ctor.
-  Expectation e2 = EXPECT_CALL(a, DoA(1));  // Ctor from EXPECT_CALL.
-  Expectation e3 = e2;  // Copy ctor.
+
+  // Ctor from various forms of EXPECT_CALL.
+  Expectation e2 = EXPECT_CALL(a, DoA(2));
+  Expectation e3 = EXPECT_CALL(a, DoA(3)).With(_);
+  {
+    Sequence s;
+    Expectation e4 = EXPECT_CALL(a, DoA(4)).Times(1);
+    Expectation e5 = EXPECT_CALL(a, DoA(5)).InSequence(s);
+  }
+  Expectation e6 = EXPECT_CALL(a, DoA(6)).After(e2);
+  Expectation e7 = EXPECT_CALL(a, DoA(7)).WillOnce(Return());
+  Expectation e8 = EXPECT_CALL(a, DoA(8)).WillRepeatedly(Return());
+  Expectation e9 = EXPECT_CALL(a, DoA(9)).RetiresOnSaturation();
+
+  Expectation e10 = e2;  // Copy ctor.
 
   EXPECT_THAT(e1, Ne(e2));
-  EXPECT_THAT(e2, Eq(e3));
-  a.DoA(1);
+  EXPECT_THAT(e2, Eq(e10));
+
+  a.DoA(2);
+  a.DoA(3);
+  a.DoA(4);
+  a.DoA(5);
+  a.DoA(6);
+  a.DoA(7);
+  a.DoA(8);
+  a.DoA(9);
 }
 
 TEST(ExpectationTest, AssignmentWorks) {