Googletest export

rollback of 224929783

PiperOrigin-RevId: 225008559

googlemock/include/gmock/gmock-matchers.h

@@ -1296,24 +1296,14 @@ class PredicateFormatterFromMatcher {
     // We don't write MatcherCast<const T&> either, as that allows
     // potentially unsafe downcasting of the matcher argument.
     const Matcher<const T&> matcher = SafeMatcherCast<const T&>(matcher_);
-
-    // The expected path here is that the matcher should match (i.e. that most
-    // tests pass) so optimize for this case.
-    if (matcher.Matches(x)) {
+    StringMatchResultListener listener;
+    if (MatchPrintAndExplain(x, matcher, &listener))
       return AssertionSuccess();
-    }
 
     ::std::stringstream ss;
     ss << "Value of: " << value_text << "\n"
        << "Expected: ";
     matcher.DescribeTo(&ss);
-
-    // Rerun the matcher to "PrintAndExain" the failure.
-    StringMatchResultListener listener;
-    if (MatchPrintAndExplain(x, matcher, &listener)) {
-      ss << "\n  The matcher failed on the initial attempt; but passed when "
-            "rerun to generate the explanation.";
-    }
     ss << "\n  Actual: " << listener.str();
     return AssertionFailure() << ss.str();
   }

googlemock/test/gmock-matchers_test.cc

@@ -85,7 +85,6 @@ using std::pair;
 using std::set;
 using std::stringstream;
 using std::vector;
-using testing::_;
 using testing::A;
 using testing::AllArgs;
 using testing::AllOf;
@@ -111,12 +110,12 @@ using testing::Le;
 using testing::Lt;
 using testing::MakeMatcher;
 using testing::MakePolymorphicMatcher;
+using testing::MatchResultListener;
 using testing::Matcher;
 using testing::MatcherCast;
 using testing::MatcherInterface;
 using testing::Matches;
 using testing::MatchesRegex;
-using testing::MatchResultListener;
 using testing::NanSensitiveDoubleEq;
 using testing::NanSensitiveDoubleNear;
 using testing::NanSensitiveFloatEq;
@@ -136,14 +135,15 @@ using testing::StartsWith;
 using testing::StrCaseEq;
 using testing::StrCaseNe;
 using testing::StrEq;
-using testing::StringMatchResultListener;
 using testing::StrNe;
+using testing::StringMatchResultListener;
 using testing::Truly;
 using testing::TypedEq;
 using testing::UnorderedPointwise;
 using testing::Value;
 using testing::WhenSorted;
 using testing::WhenSortedBy;
+using testing::_;
 using testing::internal::DummyMatchResultListener;
 using testing::internal::ElementMatcherPair;
 using testing::internal::ElementMatcherPairs;
@@ -152,11 +152,10 @@ using testing::internal::FloatingEqMatcher;
 using testing::internal::FormatMatcherDescription;
 using testing::internal::IsReadableTypeName;
 using testing::internal::MatchMatrix;
-using testing::internal::PredicateFormatterFromMatcher;
 using testing::internal::RE;
 using testing::internal::StreamMatchResultListener;
-using testing::internal::string;
 using testing::internal::Strings;
+using testing::internal::string;
 
 // For testing ExplainMatchResultTo().
 class GreaterThanMatcher : public MatcherInterface<int> {
@@ -4933,7 +4932,7 @@ TYPED_TEST(ContainerEqTest, DuplicateDifference) {
 }
 #endif  // GTEST_HAS_TYPED_TEST
 
-// Tests that multiple missing values are reported.
+// Tests that mutliple missing values are reported.
 // Using just vector here, so order is predictable.
 TEST(ContainerEqExtraTest, MultipleValuesMissing) {
   static const int vals[] = {1, 1, 2, 3, 5, 8};
@@ -6911,84 +6910,6 @@ TEST(ArgsTest, ExplainsMatchResultWithInnerExplanation) {
             Explain(m, std::make_tuple('\0', 42, 43)));
 }
 
-class PredicateFormatterFromMatcherTest : public ::testing::Test {
- protected:
-  enum Behavior { kInitialSuccess, kAlwaysFail, kFlaky };
-
-  // A matcher that can return different results when used multiple times on the
-  // same input. No real matcher should do this; but this lets us test that we
-  // detect such behavior and fail appropriately.
-  class MockMatcher : public MatcherInterface<Behavior> {
-   public:
-    bool MatchAndExplain(Behavior behavior,
-                         MatchResultListener* listener) const override {
-      *listener << "[MatchAndExplain]";
-      switch (behavior) {
-        case kInitialSuccess:
-          // The first call to MatchAndExplain should use a "not interested"
-          // listener; so this is expected to return |true|. There should be no
-          // subsequent calls.
-          return !listener->IsInterested();
-
-        case kAlwaysFail:
-          return false;
-
-        case kFlaky:
-          // The first call to MatchAndExplain should use a "not interested"
-          // listener; so this will return |false|. Subsequent calls should have
-          // an "interested" listener; so this will return |true|, thus
-          // simulating a flaky matcher.
-          return listener->IsInterested();
-      }
-    }
-
-    void DescribeTo(ostream* os) const override { *os << "[DescribeTo]"; }
-
-    void DescribeNegationTo(ostream* os) const override {
-      *os << "[DescribeNegationTo]";
-    }
-  };
-
-  AssertionResult RunPredicateFormatter(Behavior behavior) {
-    auto matcher = MakeMatcher(new MockMatcher);
-    PredicateFormatterFromMatcher<Matcher<Behavior>> predicate_formatter(
-        matcher);
-    return predicate_formatter("dummy-name", behavior);
-  }
-
-  const std::string kMatcherType =
-      "testing::gmock_matchers_test::PredicateFormatterFromMatcherTest::"
-      "Behavior";
-};
-
-TEST_F(PredicateFormatterFromMatcherTest, ShortCircuitOnSuccess) {
-  AssertionResult result = RunPredicateFormatter(kInitialSuccess);
-  EXPECT_TRUE(result);  // Implicit cast to bool.
-  EXPECT_EQ("", result.message());
-}
-
-TEST_F(PredicateFormatterFromMatcherTest, NoShortCircuitOnFailure) {
-  AssertionResult result = RunPredicateFormatter(kAlwaysFail);
-  EXPECT_FALSE(result);  // Implicit cast to bool.
-  std::string expect =
-      "Value of: dummy-name\nExpected: [DescribeTo]\n"
-      "  Actual: 1" +
-      OfType(kMatcherType) + ", [MatchAndExplain]";
-  EXPECT_EQ(expect, result.message());
-}
-
-TEST_F(PredicateFormatterFromMatcherTest, DetectsFlakyShortCircuit) {
-  AssertionResult result = RunPredicateFormatter(kFlaky);
-  EXPECT_FALSE(result);  // Implicit cast to bool.
-  std::string expect =
-      "Value of: dummy-name\nExpected: [DescribeTo]\n"
-      "  The matcher failed on the initial attempt; but passed when rerun to "
-      "generate the explanation.\n"
-      "  Actual: 2" +
-      OfType(kMatcherType) + ", [MatchAndExplain]";
-  EXPECT_EQ(expect, result.message());
-}
-
 }  // namespace gmock_matchers_test
 }  // namespace testing