From 6a3d632f40a1882cb09aeefa767f0fdf1f61c80e Mon Sep 17 00:00:00 2001
From: misterg <misterg@google.com>
Date: Mon, 26 Aug 2019 14:31:27 -0400
Subject: Googletest export

Add tuple version of Optional() matches. This allows Optional() to be used in Pointwise matchers.

PiperOrigin-RevId: 265501882
---
 googlemock/include/gmock/gmock-matchers.h | 51 +------------------------------
 googlemock/test/gmock-matchers_test.cc    | 35 +--------------------
 2 files changed, 2 insertions(+), 84 deletions(-)

diff --git a/googlemock/include/gmock/gmock-matchers.h b/googlemock/include/gmock/gmock-matchers.h
index 40e0452..b1c0dc0 100644
--- a/googlemock/include/gmock/gmock-matchers.h
+++ b/googlemock/include/gmock/gmock-matchers.h
@@ -3239,16 +3239,10 @@ class OptionalMatcher {
       : value_matcher_(value_matcher) {}
 
   template <typename Optional>
-  operator Matcher<Optional>() const {  // NOLINT
+  operator Matcher<Optional>() const {
     return Matcher<Optional>(new Impl<const Optional&>(value_matcher_));
   }
 
-  template <typename Optional1, typename ValueType2>
-  operator Matcher<std::tuple<Optional1, ValueType2>>() const {  // NOLINT
-    return MakeMatcher(
-        new PairImpl<Optional1, ValueType2>(value_matcher_));
-  }
-
   template <typename Optional>
   class Impl : public MatcherInterface<Optional> {
    public:
@@ -3287,49 +3281,6 @@ class OptionalMatcher {
     GTEST_DISALLOW_ASSIGN_(Impl);
   };
 
-  template <typename Optional1, typename ValueType2>
-  class PairImpl : public MatcherInterface<std::tuple<Optional1, ValueType2>> {
-   public:
-    typedef GTEST_REMOVE_REFERENCE_AND_CONST_(Optional1) Optional1View;
-    typedef typename Optional1View::value_type ValueType1;
-    typedef std::tuple<Optional1, ValueType2> OptionalTuple;
-    typedef std::tuple<ValueType1, ValueType2> ValuePair;
-
-    explicit PairImpl(const ValueMatcher& value_matcher)
-        : value_matcher_(MatcherCast<ValuePair>(value_matcher)) {}
-
-    void DescribeTo(::std::ostream* os) const override {
-      *os << "are optionals where the values ";
-      value_matcher_.DescribeTo(os);
-    }
-
-    void DescribeNegationTo(::std::ostream* os) const override {
-      *os << "are optionals where the values ";
-      value_matcher_.DescribeNegationTo(os);
-    }
-
-    bool MatchAndExplain(OptionalTuple optional_tuple,
-                         MatchResultListener* listener) const override {
-      const auto& optional1 = std::get<0>(optional_tuple);
-      const auto& value2 = std::get<1>(optional_tuple);
-      if (!optional1) {
-        *listener << "left is nullopt";
-        return false;
-      }
-      const ValueType1& value1 = *optional1;
-      StringMatchResultListener value_listener;
-      const bool match = value_matcher_.MatchAndExplain(
-          std::make_tuple(value1, value2), &value_listener);
-      *listener << (match ? "which match" : "whose values don't match");
-      PrintIfNotEmpty(value_listener.str(), listener->stream());
-      return match;
-    }
-
-   private:
-    const Matcher<ValuePair> value_matcher_;
-    GTEST_DISALLOW_ASSIGN_(PairImpl);
-  };
-
  private:
   const ValueMatcher value_matcher_;
   GTEST_DISALLOW_ASSIGN_(OptionalMatcher);
diff --git a/googlemock/test/gmock-matchers_test.cc b/googlemock/test/gmock-matchers_test.cc
index f5e25e0..a61d040 100644
--- a/googlemock/test/gmock-matchers_test.cc
+++ b/googlemock/test/gmock-matchers_test.cc
@@ -6387,7 +6387,7 @@ class SampleOptional {
   explicit SampleOptional(T value)
       : value_(std::move(value)), has_value_(true) {}
   SampleOptional() : value_(), has_value_(false) {}
-  explicit operator bool() const { return has_value_; }
+  operator bool() const { return has_value_; }
   const T& operator*() const { return value_; }
 
  private:
@@ -6427,39 +6427,6 @@ TEST(OptionalTest, WorksWithMoveOnly) {
   EXPECT_TRUE(m.Matches(SampleOptional<std::unique_ptr<int>>(nullptr)));
 }
 
-TEST(OptionalTest, TupleDescribesSelf) {
-  const Matcher<std::tuple<SampleOptional<int>, int>> m = Optional(Eq());
-  EXPECT_EQ("are optionals where the values are an equal pair", Describe(m));
-}
-
-TEST(OptionalTest, TupleExplainsSelf) {
-  const Matcher<std::tuple<SampleOptional<int>, int>> m = Optional(Eq());
-  EXPECT_EQ("which match",
-            Explain(m, std::make_tuple(SampleOptional<int>(1), 1)));
-  EXPECT_EQ("whose values don't match",
-            Explain(m, std::make_tuple(SampleOptional<int>(1), 2)));
-}
-
-TEST(OptionalTest, TupleMatchesNonEmpty) {
-  const Matcher<std::tuple<SampleOptional<int>, int>> m1 = Optional(Eq());
-  const Matcher<std::tuple<SampleOptional<int>, int>> m2 = Optional(Lt());
-  EXPECT_TRUE(m1.Matches(std::make_tuple(SampleOptional<int>(1), 1)));
-  EXPECT_FALSE(m1.Matches(std::make_tuple(SampleOptional<int>(1), 2)));
-  EXPECT_FALSE(m2.Matches(std::make_tuple(SampleOptional<int>(1), 1)));
-  EXPECT_TRUE(m2.Matches(std::make_tuple(SampleOptional<int>(1), 2)));
-}
-
-TEST(OptionalTest, TupleDoesNotMatchNullopt) {
-  const Matcher<std::tuple<SampleOptional<int>, int>> m1 = Optional(Eq());
-  EXPECT_FALSE(m1.Matches(std::make_tuple(SampleOptional<int>(), 1)));
-}
-
-TEST(OptionalTest, TupleWorksInPointwise) {
-  std::vector<SampleOptional<int>> v = {
-      SampleOptional<int>(1), SampleOptional<int>(2), SampleOptional<int>(3)};
-  EXPECT_THAT(v, Pointwise(Optional(Eq()), {1, 2, 3}));
-}
-
 class SampleVariantIntString {
  public:
   SampleVariantIntString(int i) : i_(i), has_int_(true) {}
-- 
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