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 // Copyright 2007, Google Inc.
 // All rights reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 // copyright notice, this list of conditions and the following disclaimer
 // in the documentation and/or other materials provided with the
 // distribution.
 //     * Neither the name of Google Inc. nor the names of its
 // contributors may be used to endorse or promote products derived from
 // this software without specific prior written permission.
 //
 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 //
 // Author: wan@google.com (Zhanyong Wan)
 
 // Google Mock - a framework for writing C++ mock classes.
 //
 // This file tests the built-in actions in gmock-more-actions.h.
 
 #include "gmock/gmock-more-actions.h"
 
 #include <functional>
 #include <sstream>
 #include <string>
 #include "gmock/gmock.h"
 #include "gtest/gtest.h"
 #include "gtest/internal/gtest-linked_ptr.h"
 
 namespace testing {
 namespace gmock_more_actions_test {
 
 using ::std::plus;
 using ::std::string;
 using testing::get;
 using testing::make_tuple;
 using testing::tuple;
 using testing::tuple_element;
 using testing::_;
 using testing::Action;
 using testing::ActionInterface;
 using testing::DeleteArg;
 using testing::Invoke;
 using testing::Return;
 using testing::ReturnArg;
 using testing::ReturnPointee;
 using testing::SaveArg;
 using testing::SaveArgPointee;
 using testing::SetArgReferee;
 using testing::StaticAssertTypeEq;
 using testing::Unused;
 using testing::WithArg;
 using testing::WithoutArgs;
 using testing::internal::linked_ptr;
 
 // For suppressing compiler warnings on conversion possibly losing precision.
 inline short Short(short n) { return n; }  // NOLINT
 inline char Char(char ch) { return ch; }
 
 // Sample functions and functors for testing Invoke() and etc.
 int Nullary() { return 1; }
 
 class NullaryFunctor {
  public:
   int operator()() { return 2; }
 };
 
 bool g_done = false;
 void VoidNullary() { g_done = true; }
 
 class VoidNullaryFunctor {
  public:
   void operator()() { g_done = true; }
 };
 
 bool Unary(int x) { return x < 0; }
 
 const char* Plus1(const char* s) { return s + 1; }
 
 void VoidUnary(int /* n */) { g_done = true; }
 
 bool ByConstRef(const string& s) { return s == "Hi"; }
 
 const double g_double = 0;
 bool ReferencesGlobalDouble(const double& x) { return &x == &g_double; }
 
 string ByNonConstRef(string& s) { return s += "+"; }  // NOLINT
 
 struct UnaryFunctor {
   int operator()(bool x) { return x ? 1 : -1; }
 };
 
 const char* Binary(const char* input, short n) { return input + n; }  // NOLINT
 
 void VoidBinary(int, char) { g_done = true; }
 
 int Ternary(int x, char y, short z) { return x + y + z; }  // NOLINT
 
 void VoidTernary(int, char, bool) { g_done = true; }
 
 int SumOf4(int a, int b, int c, int d) { return a + b + c + d; }
 
 int SumOfFirst2(int a, int b, Unused, Unused) { return a + b; }
 
 void VoidFunctionWithFourArguments(char, int, float, double) { g_done = true; }
 
 string Concat4(const char* s1, const char* s2, const char* s3,
                const char* s4) {
   return string(s1) + s2 + s3 + s4;
 }
 
 int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
 
 struct SumOf5Functor {
   int operator()(int a, int b, int c, int d, int e) {
     return a + b + c + d + e;
   }
 };
 
 string Concat5(const char* s1, const char* s2, const char* s3,
                const char* s4, const char* s5) {
   return string(s1) + s2 + s3 + s4 + s5;
 }
 
 int SumOf6(int a, int b, int c, int d, int e, int f) {
   return a + b + c + d + e + f;
 }
 
 struct SumOf6Functor {
   int operator()(int a, int b, int c, int d, int e, int f) {
     return a + b + c + d + e + f;
   }
 };
 
 string Concat6(const char* s1, const char* s2, const char* s3,
                const char* s4, const char* s5, const char* s6) {
   return string(s1) + s2 + s3 + s4 + s5 + s6;
 }
 
 string Concat7(const char* s1, const char* s2, const char* s3,
                const char* s4, const char* s5, const char* s6,
                const char* s7) {
   return string(s1) + s2 + s3 + s4 + s5 + s6 + s7;
 }
 
 string Concat8(const char* s1, const char* s2, const char* s3,
                const char* s4, const char* s5, const char* s6,
                const char* s7, const char* s8) {
   return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8;
 }
 
 string Concat9(const char* s1, const char* s2, const char* s3,
                const char* s4, const char* s5, const char* s6,
                const char* s7, const char* s8, const char* s9) {
   return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
 }
 
 string Concat10(const char* s1, const char* s2, const char* s3,
                 const char* s4, const char* s5, const char* s6,
                 const char* s7, const char* s8, const char* s9,
                 const char* s10) {
   return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
 }
 
 class Foo {
  public:
   Foo() : value_(123) {}
 
   int Nullary() const { return value_; }
 
   short Unary(long x) { return static_cast<short>(value_ + x); }  // NOLINT
 
   string Binary(const string& str, char c) const { return str + c; }
 
   int Ternary(int x, bool y, char z) { return value_ + x + y*z; }
 
   int SumOf4(int a, int b, int c, int d) const {
     return a + b + c + d + value_;
   }
 
   int SumOfLast2(Unused, Unused, int a, int b) const { return a + b; }
 
   int SumOf5(int a, int b, int c, int d, int e) { return a + b + c + d + e; }
 
   int SumOf6(int a, int b, int c, int d, int e, int f) {
     return a + b + c + d + e + f;
   }
 
   string Concat7(const char* s1, const char* s2, const char* s3,
                  const char* s4, const char* s5, const char* s6,
                  const char* s7) {
     return string(s1) + s2 + s3 + s4 + s5 + s6 + s7;
   }
 
   string Concat8(const char* s1, const char* s2, const char* s3,
                  const char* s4, const char* s5, const char* s6,
                  const char* s7, const char* s8) {
     return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8;
   }
 
   string Concat9(const char* s1, const char* s2, const char* s3,
                  const char* s4, const char* s5, const char* s6,
                  const char* s7, const char* s8, const char* s9) {
     return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9;
   }
 
   string Concat10(const char* s1, const char* s2, const char* s3,
                   const char* s4, const char* s5, const char* s6,
                   const char* s7, const char* s8, const char* s9,
                   const char* s10) {
     return string(s1) + s2 + s3 + s4 + s5 + s6 + s7 + s8 + s9 + s10;
   }
 
  private:
   int value_;
 };
 
 // Tests using Invoke() with a nullary function.
 TEST(InvokeTest, Nullary) {
   Action<int()> a = Invoke(Nullary);  // NOLINT
   EXPECT_EQ(1, a.Perform(make_tuple()));
 }
 
 // Tests using Invoke() with a unary function.
 TEST(InvokeTest, Unary) {
   Action<bool(int)> a = Invoke(Unary);  // NOLINT
   EXPECT_FALSE(a.Perform(make_tuple(1)));
   EXPECT_TRUE(a.Perform(make_tuple(-1)));
 }
 
 // Tests using Invoke() with a binary function.
 TEST(InvokeTest, Binary) {
   Action<const char*(const char*, short)> a = Invoke(Binary);  // NOLINT
   const char* p = "Hello";
   EXPECT_EQ(p + 2, a.Perform(make_tuple(p, Short(2))));
 }
 
 // Tests using Invoke() with a ternary function.
 TEST(InvokeTest, Ternary) {
   Action<int(int, char, short)> a = Invoke(Ternary);  // NOLINT
   EXPECT_EQ(6, a.Perform(make_tuple(1, '\2', Short(3))));
 }
 
 // Tests using Invoke() with a 4-argument function.
 TEST(InvokeTest, FunctionThatTakes4Arguments) {
   Action<int(int, int, int, int)> a = Invoke(SumOf4);  // NOLINT
   EXPECT_EQ(1234, a.Perform(make_tuple(1000, 200, 30, 4)));
 }
 
 // Tests using Invoke() with a 5-argument function.
 TEST(InvokeTest, FunctionThatTakes5Arguments) {
   Action<int(int, int, int, int, int)> a = Invoke(SumOf5);  // NOLINT
   EXPECT_EQ(12345, a.Perform(make_tuple(10000, 2000, 300, 40, 5)));
 }
 
 // Tests using Invoke() with a 6-argument function.
 TEST(InvokeTest, FunctionThatTakes6Arguments) {
   Action<int(int, int, int, int, int, int)> a = Invoke(SumOf6);  // NOLINT
   EXPECT_EQ(123456, a.Perform(make_tuple(100000, 20000, 3000, 400, 50, 6)));
 }
 
 // A helper that turns the type of a C-string literal from const
 // char[N] to const char*.
 inline const char* CharPtr(const char* s) { return s; }
 
 // Tests using Invoke() with a 7-argument function.
 TEST(InvokeTest, FunctionThatTakes7Arguments) {
   Action<string(const char*, const char*, const char*, const char*,
                 const char*, const char*, const char*)> a =
       Invoke(Concat7);
   EXPECT_EQ("1234567",
             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
                                  CharPtr("7"))));
 }
 
 // Tests using Invoke() with a 8-argument function.
 TEST(InvokeTest, FunctionThatTakes8Arguments) {
   Action<string(const char*, const char*, const char*, const char*,
                 const char*, const char*, const char*, const char*)> a =
       Invoke(Concat8);
   EXPECT_EQ("12345678",
             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
                                  CharPtr("7"), CharPtr("8"))));
 }
 
 // Tests using Invoke() with a 9-argument function.
 TEST(InvokeTest, FunctionThatTakes9Arguments) {
   Action<string(const char*, const char*, const char*, const char*,
                 const char*, const char*, const char*, const char*,
                 const char*)> a = Invoke(Concat9);
   EXPECT_EQ("123456789",
             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
                                  CharPtr("7"), CharPtr("8"), CharPtr("9"))));
 }
 
 // Tests using Invoke() with a 10-argument function.
 TEST(InvokeTest, FunctionThatTakes10Arguments) {
   Action<string(const char*, const char*, const char*, const char*,
                 const char*, const char*, const char*, const char*,
                 const char*, const char*)> a = Invoke(Concat10);
   EXPECT_EQ("1234567890",
             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
                                  CharPtr("7"), CharPtr("8"), CharPtr("9"),
                                  CharPtr("0"))));
 }
 
 // Tests using Invoke() with functions with parameters declared as Unused.
 TEST(InvokeTest, FunctionWithUnusedParameters) {
   Action<int(int, int, double, const string&)> a1 =
       Invoke(SumOfFirst2);
   string s("hi");
   EXPECT_EQ(12, a1.Perform(
     tuple<int, int, double, const string&>(10, 2, 5.6, s)));
 
   Action<int(int, int, bool, int*)> a2 =
       Invoke(SumOfFirst2);
   EXPECT_EQ(23, a2.Perform(make_tuple(20, 3, true, static_cast<int*>(NULL))));
 }
 
 // Tests using Invoke() with methods with parameters declared as Unused.
 TEST(InvokeTest, MethodWithUnusedParameters) {
   Foo foo;
   Action<int(string, bool, int, int)> a1 =
       Invoke(&foo, &Foo::SumOfLast2);
   EXPECT_EQ(12, a1.Perform(make_tuple(CharPtr("hi"), true, 10, 2)));
 
   Action<int(char, double, int, int)> a2 =
       Invoke(&foo, &Foo::SumOfLast2);
   EXPECT_EQ(23, a2.Perform(make_tuple('a', 2.5, 20, 3)));
 }
 
 // Tests using Invoke() with a functor.
 TEST(InvokeTest, Functor) {
   Action<long(long, int)> a = Invoke(plus<long>());  // NOLINT
   EXPECT_EQ(3L, a.Perform(make_tuple(1, 2)));
 }
 
 // Tests using Invoke(f) as an action of a compatible type.
 TEST(InvokeTest, FunctionWithCompatibleType) {
   Action<long(int, short, char, bool)> a = Invoke(SumOf4);  // NOLINT
   EXPECT_EQ(4321, a.Perform(make_tuple(4000, Short(300), Char(20), true)));
 }
 
 // Tests using Invoke() with an object pointer and a method pointer.
 
 // Tests using Invoke() with a nullary method.
 TEST(InvokeMethodTest, Nullary) {
   Foo foo;
   Action<int()> a = Invoke(&foo, &Foo::Nullary);  // NOLINT
   EXPECT_EQ(123, a.Perform(make_tuple()));
 }
 
 // Tests using Invoke() with a unary method.
 TEST(InvokeMethodTest, Unary) {
   Foo foo;
   Action<short(long)> a = Invoke(&foo, &Foo::Unary);  // NOLINT
   EXPECT_EQ(4123, a.Perform(make_tuple(4000)));
 }
 
 // Tests using Invoke() with a binary method.
 TEST(InvokeMethodTest, Binary) {
   Foo foo;
   Action<string(const string&, char)> a = Invoke(&foo, &Foo::Binary);
   string s("Hell");
   EXPECT_EQ("Hello", a.Perform(
       tuple<const string&, char>(s, 'o')));
 }
 
 // Tests using Invoke() with a ternary method.
 TEST(InvokeMethodTest, Ternary) {
   Foo foo;
   Action<int(int, bool, char)> a = Invoke(&foo, &Foo::Ternary);  // NOLINT
   EXPECT_EQ(1124, a.Perform(make_tuple(1000, true, Char(1))));
 }
 
 // Tests using Invoke() with a 4-argument method.
 TEST(InvokeMethodTest, MethodThatTakes4Arguments) {
   Foo foo;
   Action<int(int, int, int, int)> a = Invoke(&foo, &Foo::SumOf4);  // NOLINT
   EXPECT_EQ(1357, a.Perform(make_tuple(1000, 200, 30, 4)));
 }
 
 // Tests using Invoke() with a 5-argument method.
 TEST(InvokeMethodTest, MethodThatTakes5Arguments) {
   Foo foo;
   Action<int(int, int, int, int, int)> a = Invoke(&foo, &Foo::SumOf5);  // NOLINT
   EXPECT_EQ(12345, a.Perform(make_tuple(10000, 2000, 300, 40, 5)));
 }
 
 // Tests using Invoke() with a 6-argument method.
 TEST(InvokeMethodTest, MethodThatTakes6Arguments) {
   Foo foo;
   Action<int(int, int, int, int, int, int)> a =  // NOLINT
       Invoke(&foo, &Foo::SumOf6);
   EXPECT_EQ(123456, a.Perform(make_tuple(100000, 20000, 3000, 400, 50, 6)));
 }
 
 // Tests using Invoke() with a 7-argument method.
 TEST(InvokeMethodTest, MethodThatTakes7Arguments) {
   Foo foo;
   Action<string(const char*, const char*, const char*, const char*,
                 const char*, const char*, const char*)> a =
       Invoke(&foo, &Foo::Concat7);
   EXPECT_EQ("1234567",
             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
                                  CharPtr("7"))));
 }
 
 // Tests using Invoke() with a 8-argument method.
 TEST(InvokeMethodTest, MethodThatTakes8Arguments) {
   Foo foo;
   Action<string(const char*, const char*, const char*, const char*,
                 const char*, const char*, const char*, const char*)> a =
       Invoke(&foo, &Foo::Concat8);
   EXPECT_EQ("12345678",
             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
                                  CharPtr("7"), CharPtr("8"))));
 }
 
 // Tests using Invoke() with a 9-argument method.
 TEST(InvokeMethodTest, MethodThatTakes9Arguments) {
   Foo foo;
   Action<string(const char*, const char*, const char*, const char*,
                 const char*, const char*, const char*, const char*,
                 const char*)> a = Invoke(&foo, &Foo::Concat9);
   EXPECT_EQ("123456789",
             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
                                  CharPtr("7"), CharPtr("8"), CharPtr("9"))));
 }
 
 // Tests using Invoke() with a 10-argument method.
 TEST(InvokeMethodTest, MethodThatTakes10Arguments) {
   Foo foo;
   Action<string(const char*, const char*, const char*, const char*,
                 const char*, const char*, const char*, const char*,
                 const char*, const char*)> a = Invoke(&foo, &Foo::Concat10);
   EXPECT_EQ("1234567890",
             a.Perform(make_tuple(CharPtr("1"), CharPtr("2"), CharPtr("3"),
                                  CharPtr("4"), CharPtr("5"), CharPtr("6"),
                                  CharPtr("7"), CharPtr("8"), CharPtr("9"),
                                  CharPtr("0"))));
 }
 
 // Tests using Invoke(f) as an action of a compatible type.
 TEST(InvokeMethodTest, MethodWithCompatibleType) {
   Foo foo;
   Action<long(int, short, char, bool)> a =  // NOLINT
       Invoke(&foo, &Foo::SumOf4);
   EXPECT_EQ(4444, a.Perform(make_tuple(4000, Short(300), Char(20), true)));
 }
 
 // Tests using WithoutArgs with an action that takes no argument.
 TEST(WithoutArgsTest, NoArg) {
   Action<int(int n)> a = WithoutArgs(Invoke(Nullary));  // NOLINT
   EXPECT_EQ(1, a.Perform(make_tuple(2)));
 }
 
 // Tests using WithArg with an action that takes 1 argument.
 TEST(WithArgTest, OneArg) {
   Action<bool(double x, int n)> b = WithArg<1>(Invoke(Unary));  // NOLINT
   EXPECT_TRUE(b.Perform(make_tuple(1.5, -1)));
   EXPECT_FALSE(b.Perform(make_tuple(1.5, 1)));
 }
 
 TEST(ReturnArgActionTest, WorksForOneArgIntArg0) {
   const Action<int(int)> a = ReturnArg<0>();
   EXPECT_EQ(5, a.Perform(make_tuple(5)));
 }
 
 TEST(ReturnArgActionTest, WorksForMultiArgBoolArg0) {
   const Action<bool(bool, bool, bool)> a = ReturnArg<0>();
   EXPECT_TRUE(a.Perform(make_tuple(true, false, false)));
 }
 
 TEST(ReturnArgActionTest, WorksForMultiArgStringArg2) {
   const Action<string(int, int, string, int)> a = ReturnArg<2>();
   EXPECT_EQ("seven", a.Perform(make_tuple(5, 6, string("seven"), 8)));
 }
 
 TEST(SaveArgActionTest, WorksForSameType) {
   int result = 0;
   const Action<void(int n)> a1 = SaveArg<0>(&result);
   a1.Perform(make_tuple(5));
   EXPECT_EQ(5, result);
 }
 
 TEST(SaveArgActionTest, WorksForCompatibleType) {
   int result = 0;
   const Action<void(bool, char)> a1 = SaveArg<1>(&result);
   a1.Perform(make_tuple(true, 'a'));
   EXPECT_EQ('a', result);
 }
 
 TEST(SaveArgPointeeActionTest, WorksForSameType) {
   int result = 0;
   const int value = 5;
   const Action<void(const int*)> a1 = SaveArgPointee<0>(&result);
   a1.Perform(make_tuple(&value));
   EXPECT_EQ(5, result);
 }
 
 TEST(SaveArgPointeeActionTest, WorksForCompatibleType) {
   int result = 0;
   char value = 'a';
   const Action<void(bool, char*)> a1 = SaveArgPointee<1>(&result);
   a1.Perform(make_tuple(true, &value));
   EXPECT_EQ('a', result);
 }
 
 TEST(SaveArgPointeeActionTest, WorksForLinkedPtr) {
   int result = 0;
   linked_ptr<int> value(new int(5));
   const Action<void(linked_ptr<int>)> a1 = SaveArgPointee<0>(&result);
   a1.Perform(make_tuple(value));
   EXPECT_EQ(5, result);
 }
 
 TEST(SetArgRefereeActionTest, WorksForSameType) {
   int value = 0;
   const Action<void(int&)> a1 = SetArgReferee<0>(1);
   a1.Perform(tuple<int&>(value));
   EXPECT_EQ(1, value);
 }
 
 TEST(SetArgRefereeActionTest, WorksForCompatibleType) {
   int value = 0;
   const Action<void(int, int&)> a1 = SetArgReferee<1>('a');
   a1.Perform(tuple<int, int&>(0, value));
   EXPECT_EQ('a', value);
 }
 
 TEST(SetArgRefereeActionTest, WorksWithExtraArguments) {
   int value = 0;
   const Action<void(bool, int, int&, const char*)> a1 = SetArgReferee<2>('a');
   a1.Perform(tuple<bool, int, int&, const char*>(true, 0, value, "hi"));
   EXPECT_EQ('a', value);
 }
 
 // A class that can be used to verify that its destructor is called: it will set
 // the bool provided to the constructor to true when destroyed.
 class DeletionTester {
  public:
   explicit DeletionTester(bool* is_deleted)
     : is_deleted_(is_deleted) {
     // Make sure the bit is set to false.
     *is_deleted_ = false;
   }
 
   ~DeletionTester() {
     *is_deleted_ = true;
   }
 
  private:
   bool* is_deleted_;
 };
 
 TEST(DeleteArgActionTest, OneArg) {
   bool is_deleted = false;
   DeletionTester* t = new DeletionTester(&is_deleted);
   const Action<void(DeletionTester*)> a1 = DeleteArg<0>();      // NOLINT
   EXPECT_FALSE(is_deleted);
   a1.Perform(make_tuple(t));
   EXPECT_TRUE(is_deleted);
 }
 
 TEST(DeleteArgActionTest, TenArgs) {
   bool is_deleted = false;
   DeletionTester* t = new DeletionTester(&is_deleted);
   const Action<void(bool, int, int, const char*, bool,
                     int, int, int, int, DeletionTester*)> a1 = DeleteArg<9>();
   EXPECT_FALSE(is_deleted);
   a1.Perform(make_tuple(true, 5, 6, CharPtr("hi"), false, 7, 8, 9, 10, t));
   EXPECT_TRUE(is_deleted);
 }
 
 #if GTEST_HAS_EXCEPTIONS
 
 TEST(ThrowActionTest, ThrowsGivenExceptionInVoidFunction) {
   const Action<void(int n)> a = Throw('a');
   EXPECT_THROW(a.Perform(make_tuple(0)), char);
 }
 
 class MyException {};
 
 TEST(ThrowActionTest, ThrowsGivenExceptionInNonVoidFunction) {
   const Action<double(char ch)> a = Throw(MyException());
   EXPECT_THROW(a.Perform(make_tuple('0')), MyException);
 }
 
 TEST(ThrowActionTest, ThrowsGivenExceptionInNullaryFunction) {
   const Action<double()> a = Throw(MyException());
   EXPECT_THROW(a.Perform(make_tuple()), MyException);
 }
 
 #endif  // GTEST_HAS_EXCEPTIONS
 
 // Tests that SetArrayArgument<N>(first, last) sets the elements of the array
 // pointed to by the N-th (0-based) argument to values in range [first, last).
 TEST(SetArrayArgumentTest, SetsTheNthArray) {
   typedef void MyFunction(bool, int*, char*);
   int numbers[] = { 1, 2, 3 };
   Action<MyFunction> a = SetArrayArgument<1>(numbers, numbers + 3);
 
   int n[4] = {};
   int* pn = n;
   char ch[4] = {};
   char* pch = ch;
   a.Perform(make_tuple(true, pn, pch));
   EXPECT_EQ(1, n[0]);
   EXPECT_EQ(2, n[1]);
   EXPECT_EQ(3, n[2]);
   EXPECT_EQ(0, n[3]);
   EXPECT_EQ('\0', ch[0]);
   EXPECT_EQ('\0', ch[1]);
   EXPECT_EQ('\0', ch[2]);
   EXPECT_EQ('\0', ch[3]);
 
   // Tests first and last are iterators.
   std::string letters = "abc";
   a = SetArrayArgument<2>(letters.begin(), letters.end());
   std::fill_n(n, 4, 0);
   std::fill_n(ch, 4, '\0');
   a.Perform(make_tuple(true, pn, pch));
   EXPECT_EQ(0, n[0]);
   EXPECT_EQ(0, n[1]);
   EXPECT_EQ(0, n[2]);
   EXPECT_EQ(0, n[3]);
   EXPECT_EQ('a', ch[0]);
   EXPECT_EQ('b', ch[1]);
   EXPECT_EQ('c', ch[2]);
   EXPECT_EQ('\0', ch[3]);
 }
 
 // Tests SetArrayArgument<N>(first, last) where first == last.
 TEST(SetArrayArgumentTest, SetsTheNthArrayWithEmptyRange) {
   typedef void MyFunction(bool, int*);
   int numbers[] = { 1, 2, 3 };
   Action<MyFunction> a = SetArrayArgument<1>(numbers, numbers);
 
   int n[4] = {};
   int* pn = n;
   a.Perform(make_tuple(true, pn));
   EXPECT_EQ(0, n[0]);
   EXPECT_EQ(0, n[1]);
   EXPECT_EQ(0, n[2]);
   EXPECT_EQ(0, n[3]);
 }
 
 // Tests SetArrayArgument<N>(first, last) where *first is convertible
 // (but not equal) to the argument type.
 TEST(SetArrayArgumentTest, SetsTheNthArrayWithConvertibleType) {
   typedef void MyFunction(bool, int*);
   char chars[] = { 97, 98, 99 };
   Action<MyFunction> a = SetArrayArgument<1>(chars, chars + 3);
 
   int codes[4] = { 111, 222, 333, 444 };
   int* pcodes = codes;
   a.Perform(make_tuple(true, pcodes));
   EXPECT_EQ(97, codes[0]);
   EXPECT_EQ(98, codes[1]);
   EXPECT_EQ(99, codes[2]);
   EXPECT_EQ(444, codes[3]);
 }
 
 // Test SetArrayArgument<N>(first, last) with iterator as argument.
 TEST(SetArrayArgumentTest, SetsTheNthArrayWithIteratorArgument) {
   typedef void MyFunction(bool, std::back_insert_iterator<std::string>);
   std::string letters = "abc";
   Action<MyFunction> a = SetArrayArgument<1>(letters.begin(), letters.end());
 
   std::string s;
   a.Perform(make_tuple(true, back_inserter(s)));
   EXPECT_EQ(letters, s);
 }
 
 TEST(ReturnPointeeTest, Works) {
   int n = 42;
   const Action<int()> a = ReturnPointee(&n);
   EXPECT_EQ(42, a.Perform(make_tuple()));
 
   n = 43;
   EXPECT_EQ(43, a.Perform(make_tuple()));
 }
 
 }  // namespace gmock_generated_actions_test
 }  // namespace testing

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