Adds Each(m) (by Wojtek Moczydlowski); removes scripts/test/Makefile (by…

Makefile.am

@@ -137,9 +137,7 @@ EXTRA_DIST += include/gmock/gmock-generated-actions.h.pump \
               include/gmock/internal/gmock-generated-internal-utils.h.pump
 
 # Script for fusing Google Mock and Google Test source files.
-EXTRA_DIST += \
-    scripts/fuse_gmock_files.py \
-    scripts/test/Makefile
+EXTRA_DIST += scripts/fuse_gmock_files.py
 
 # The Google Mock Generator tool from the cppclean project.
 EXTRA_DIST += \

include/gmock/gmock-matchers.h

@@ -1947,9 +1947,9 @@ class ContainerEqMatcher {
   GTEST_DISALLOW_ASSIGN_(ContainerEqMatcher);
 };
 
-// Implements Contains(element_matcher) for the given argument type Container.
+// Holds the logic common to ContainsMatcherImpl and EachMatcherImpl.
 template <typename Container>
-class ContainsMatcherImpl : public MatcherInterface<Container> {
+class QuantifierMatcherImpl : public MatcherInterface<Container> {
  public:
   typedef GMOCK_REMOVE_CONST_(GMOCK_REMOVE_REFERENCE_(Container)) RawContainer;
   typedef StlContainerView<RawContainer> View;
@@ -1958,44 +1958,97 @@ class ContainsMatcherImpl : public MatcherInterface<Container> {
   typedef typename StlContainer::value_type Element;
 
   template <typename InnerMatcher>
-  explicit ContainsMatcherImpl(InnerMatcher inner_matcher)
+  explicit QuantifierMatcherImpl(InnerMatcher inner_matcher)
       : inner_matcher_(
-          testing::SafeMatcherCast<const Element&>(inner_matcher)) {}
+           testing::SafeMatcherCast<const Element&>(inner_matcher)) {}
+
+  // Checks whether:
+  // * All elements in the container match, if all_elements_should_match.
+  // * Any element in the container matches, if !all_elements_should_match.
+  bool MatchAndExplainImpl(bool all_elements_should_match,
+                           Container container,
+                           MatchResultListener* listener) const {
+    StlContainerReference stl_container = View::ConstReference(container);
+    size_t i = 0;
+    for (typename StlContainer::const_iterator it = stl_container.begin();
+         it != stl_container.end(); ++it, ++i) {
+      StringMatchResultListener inner_listener;
+      const bool matches = inner_matcher_.MatchAndExplain(*it, &inner_listener);
+
+      if (matches != all_elements_should_match) {
+        *listener << "whose element #" << i
+                  << (matches ? " matches" : " doesn't match");
+        PrintIfNotEmpty(inner_listener.str(), listener->stream());
+        return !all_elements_should_match;
+      }
+    }
+    return all_elements_should_match;
+  }
+
+ protected:
+  const Matcher<const Element&> inner_matcher_;
+
+  GTEST_DISALLOW_ASSIGN_(QuantifierMatcherImpl);
+};
+
+// Implements Contains(element_matcher) for the given argument type Container.
+// Symmetric to EachMatcherImpl.
+template <typename Container>
+class ContainsMatcherImpl : public QuantifierMatcherImpl<Container> {
+ public:
+  template <typename InnerMatcher>
+  explicit ContainsMatcherImpl(InnerMatcher inner_matcher)
+      : QuantifierMatcherImpl<Container>(inner_matcher) {}
 
   // Describes what this matcher does.
   virtual void DescribeTo(::std::ostream* os) const {
     *os << "contains at least one element that ";
-    inner_matcher_.DescribeTo(os);
+    this->inner_matcher_.DescribeTo(os);
   }
 
-  // Describes what the negation of this matcher does.
   virtual void DescribeNegationTo(::std::ostream* os) const {
     *os << "doesn't contain any element that ";
-    inner_matcher_.DescribeTo(os);
+    this->inner_matcher_.DescribeTo(os);
   }
 
   virtual bool MatchAndExplain(Container container,
                                MatchResultListener* listener) const {
-    StlContainerReference stl_container = View::ConstReference(container);
-    size_t i = 0;
-    for (typename StlContainer::const_iterator it = stl_container.begin();
-         it != stl_container.end(); ++it, ++i) {
-      StringMatchResultListener inner_listener;
-      if (inner_matcher_.MatchAndExplain(*it, &inner_listener)) {
-        *listener << "whose element #" << i << " matches";
-        PrintIfNotEmpty(inner_listener.str(), listener->stream());
-        return true;
-      }
-    }
-    return false;
+    return this->MatchAndExplainImpl(false, container, listener);
   }
 
  private:
-  const Matcher<const Element&> inner_matcher_;
-
   GTEST_DISALLOW_ASSIGN_(ContainsMatcherImpl);
 };
 
+// Implements Each(element_matcher) for the given argument type Container.
+// Symmetric to ContainsMatcherImpl.
+template <typename Container>
+class EachMatcherImpl : public QuantifierMatcherImpl<Container> {
+ public:
+  template <typename InnerMatcher>
+  explicit EachMatcherImpl(InnerMatcher inner_matcher)
+      : QuantifierMatcherImpl<Container>(inner_matcher) {}
+
+  // Describes what this matcher does.
+  virtual void DescribeTo(::std::ostream* os) const {
+    *os << "only contains elements that ";
+    this->inner_matcher_.DescribeTo(os);
+  }
+
+  virtual void DescribeNegationTo(::std::ostream* os) const {
+    *os << "contains some element that ";
+    this->inner_matcher_.DescribeNegationTo(os);
+  }
+
+  virtual bool MatchAndExplain(Container container,
+                               MatchResultListener* listener) const {
+    return this->MatchAndExplainImpl(true, container, listener);
+  }
+
+ private:
+  GTEST_DISALLOW_ASSIGN_(EachMatcherImpl);
+};
+
 // Implements polymorphic Contains(element_matcher).
 template <typename M>
 class ContainsMatcher {
@@ -2013,6 +2066,23 @@ class ContainsMatcher {
   GTEST_DISALLOW_ASSIGN_(ContainsMatcher);
 };
 
+// Implements polymorphic Each(element_matcher).
+template <typename M>
+class EachMatcher {
+ public:
+  explicit EachMatcher(M m) : inner_matcher_(m) {}
+
+  template <typename Container>
+  operator Matcher<Container>() const {
+    return MakeMatcher(new EachMatcherImpl<Container>(inner_matcher_));
+  }
+
+ private:
+  const M inner_matcher_;
+
+  GTEST_DISALLOW_ASSIGN_(EachMatcher);
+};
+
 // Implements Key(inner_matcher) for the given argument pair type.
 // Key(inner_matcher) matches an std::pair whose 'first' field matches
 // inner_matcher.  For example, Contains(Key(Ge(5))) can be used to match an
@@ -2855,6 +2925,38 @@ inline internal::ContainsMatcher<M> Contains(M matcher) {
   return internal::ContainsMatcher<M>(matcher);
 }
 
+// Matches an STL-style container or a native array that contains only
+// elements matching the given value or matcher.
+//
+// Each(m) is semantically equivalent to Not(Contains(Not(m))). Only
+// the messages are different.
+//
+// Examples:
+//   ::std::set<int> page_ids;
+//   // Each(m) matches an empty container, regardless of what m is.
+//   EXPECT_THAT(page_ids, Each(Eq(1)));
+//   EXPECT_THAT(page_ids, Each(Eq(77)));
+//
+//   page_ids.insert(3);
+//   EXPECT_THAT(page_ids, Each(Gt(0)));
+//   EXPECT_THAT(page_ids, Not(Each(Gt(4))));
+//   page_ids.insert(1);
+//   EXPECT_THAT(page_ids, Not(Each(Lt(2))));
+//
+//   ::std::map<int, size_t> page_lengths;
+//   page_lengths[1] = 100;
+//   page_lengths[2] = 200;
+//   page_lengths[3] = 300;
+//   EXPECT_THAT(page_lengths, Not(Each(Pair(1, 100))));
+//   EXPECT_THAT(page_lengths, Each(Key(Le(3))));
+//
+//   const char* user_ids[] = { "joe", "mike", "tom" };
+//   EXPECT_THAT(user_ids, Not(Each(Eq(::std::string("tom")))));
+template <typename M>
+inline internal::EachMatcher<M> Each(M matcher) {
+  return internal::EachMatcher<M>(matcher);
+}
+
 // Key(inner_matcher) matches an std::pair whose 'first' field matches
 // inner_matcher.  For example, Contains(Key(Ge(5))) can be used to match an
 // std::map that contains at least one element whose key is >= 5.

scripts/test/Makefile

-# A Makefile for fusing Google Mock and building a sample test against it.
-#
-# SYNOPSIS:
-#
-#   make [all]  - makes everything.
-#   make TARGET - makes the given target.
-#   make check  - makes everything and runs the built sample test.
-#   make clean  - removes all files generated by make.
-
-# Points to the root of fused Google Mock, relative to where this file is.
-FUSED_GMOCK_DIR = output
-
-# Paths to the fused gmock files.
-FUSED_GTEST_H = $(FUSED_GMOCK_DIR)/gtest/gtest.h
-FUSED_GMOCK_H = $(FUSED_GMOCK_DIR)/gmock/gmock.h
-FUSED_GMOCK_GTEST_ALL_CC = $(FUSED_GMOCK_DIR)/gmock-gtest-all.cc
-
-# Where to find the gmock_test.cc.
-GMOCK_TEST_CC = ../../test/gmock_test.cc
-
-# Where to find gmock_main.cc.
-GMOCK_MAIN_CC = ../../src/gmock_main.cc
-
-# Flags passed to the preprocessor.
-CPPFLAGS += -I$(FUSED_GMOCK_DIR)
-
-# Flags passed to the C++ compiler.
-CXXFLAGS += -g
-
-all : gmock_test
-
-check : all
-	./gmock_test
-
-clean :
-	rm -rf $(FUSED_GMOCK_DIR) gmock_test *.o
-
-$(FUSED_GTEST_H) :
-	../fuse_gmock_files.py $(FUSED_GMOCK_DIR)
-
-$(FUSED_GMOCK_H) :
-	../fuse_gmock_files.py $(FUSED_GMOCK_DIR)
-
-$(FUSED_GMOCK_GTEST_ALL_CC) :
-	../fuse_gmock_files.py $(FUSED_GMOCK_DIR)
-
-gmock-gtest-all.o : $(FUSED_GTEST_H) $(FUSED_GMOCK_H) $(FUSED_GMOCK_GTEST_ALL_CC)
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $(FUSED_GMOCK_GTEST_ALL_CC)
-
-gmock_main.o : $(FUSED_GTEST_H) $(FUSED_GMOCK_H) $(GMOCK_MAIN_CC)
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $(GMOCK_MAIN_CC)
-
-gmock_test.o : $(FUSED_GTEST_H) $(FUSED_GMOCK_H) $(GMOCK_TEST_CC)
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $(GMOCK_TEST_CC)
-
-gmock_test : gmock_test.o gmock-gtest-all.o gmock_main.o
-	$(CXX) $(CPPFLAGS) $(CXXFLAGS) $^ -o $@

test/gmock-matchers_test.cc

@@ -65,8 +65,10 @@ using std::make_pair;
 using std::map;
 using std::multimap;
 using std::pair;
+using std::set;
 using std::stringstream;
 using std::tr1::make_tuple;
+using std::vector;
 using testing::A;
 using testing::AllArgs;
 using testing::AllOf;
@@ -363,20 +365,20 @@ TEST(MakeMatcherTest, ConstructsMatcherFromMatcherInterface) {
 
 // Tests that MakePolymorphicMatcher() can construct a polymorphic
 // matcher from its implementation using the old API.
-const int bar = 1;
+const int g_bar = 1;
 class ReferencesBarOrIsZeroImpl {
  public:
   template <typename T>
   bool MatchAndExplain(const T& x,
                        MatchResultListener* /* listener */) const {
     const void* p = &x;
-    return p == &bar || x == 0;
+    return p == &g_bar || x == 0;
   }
 
-  void DescribeTo(::std::ostream* os) const { *os << "bar or zero"; }
+  void DescribeTo(::std::ostream* os) const { *os << "g_bar or zero"; }
 
   void DescribeNegationTo(::std::ostream* os) const {
-    *os << "doesn't reference bar and is not zero";
+    *os << "doesn't reference g_bar and is not zero";
   }
 };
 
@@ -391,15 +393,15 @@ TEST(MakePolymorphicMatcherTest, ConstructsMatcherUsingOldAPI) {
   Matcher<const int&> m1 = ReferencesBarOrIsZero();
   EXPECT_TRUE(m1.Matches(0));
   // Verifies that the identity of a by-reference argument is preserved.
-  EXPECT_TRUE(m1.Matches(bar));
+  EXPECT_TRUE(m1.Matches(g_bar));
   EXPECT_FALSE(m1.Matches(1));
-  EXPECT_EQ("bar or zero", Describe(m1));
+  EXPECT_EQ("g_bar or zero", Describe(m1));
 
   // Using a polymorphic matcher to match a value type.
   Matcher<double> m2 = ReferencesBarOrIsZero();
   EXPECT_TRUE(m2.Matches(0.0));
   EXPECT_FALSE(m2.Matches(0.1));
-  EXPECT_EQ("bar or zero", Describe(m2));
+  EXPECT_EQ("g_bar or zero", Describe(m2));
 }
 
 // Tests implementing a polymorphic matcher using MatchAndExplain().
@@ -3984,5 +3986,91 @@ TEST(MatcherTupleTest, ExplainsMatchFailure) {
                          // explanation.
 }
 
+// Tests Each().
+
+TEST(EachTest, ExplainsMatchResultCorrectly) {
+  set<int> a;  // empty
+
+  Matcher<set<int> > m = Each(2);
+  EXPECT_EQ("", Explain(m, a));
+
+  Matcher<const int(&)[1]> n = Each(1);
+
+  const int b[1] = { 1 };
+  EXPECT_EQ("", Explain(n, b));
+
+  n = Each(3);
+  EXPECT_EQ("whose element #0 doesn't match", Explain(n, b));
+
+  a.insert(1);
+  a.insert(2);
+  a.insert(3);
+  m = Each(GreaterThan(0));
+  EXPECT_EQ("", Explain(m, a));
+
+  m = Each(GreaterThan(10));
+  EXPECT_EQ("whose element #0 doesn't match, which is 9 less than 10",
+            Explain(m, a));
+}
+
+TEST(EachTest, DescribesItselfCorrectly) {
+  Matcher<vector<int> > m = Each(1);
+  EXPECT_EQ("only contains elements that is equal to 1", Describe(m));
+
+  Matcher<vector<int> > m2 = Not(m);
+  EXPECT_EQ("contains some element that isn't equal to 1", Describe(m2));
+}
+
+TEST(EachTest, MatchesVectorWhenAllElementsMatch) {
+  vector<int> some_vector;
+  EXPECT_THAT(some_vector, Each(1));
+  some_vector.push_back(3);
+  EXPECT_THAT(some_vector, Not(Each(1)));
+  EXPECT_THAT(some_vector, Each(3));
+  some_vector.push_back(1);
+  some_vector.push_back(2);
+  EXPECT_THAT(some_vector, Not(Each(3)));
+  EXPECT_THAT(some_vector, Each(Lt(3.5)));
+
+  vector<string> another_vector;
+  another_vector.push_back("fee");
+  EXPECT_THAT(another_vector, Each(string("fee")));
+  another_vector.push_back("fie");
+  another_vector.push_back("foe");
+  another_vector.push_back("fum");
+  EXPECT_THAT(another_vector, Not(Each(string("fee"))));
+}
+
+TEST(EachTest, MatchesMapWhenAllElementsMatch) {
+  map<const char*, int> my_map;
+  const char* bar = "a string";
+  my_map[bar] = 2;
+  EXPECT_THAT(my_map, Each(make_pair(bar, 2)));
+
+  map<string, int> another_map;
+  EXPECT_THAT(another_map, Each(make_pair(string("fee"), 1)));
+  another_map["fee"] = 1;
+  EXPECT_THAT(another_map, Each(make_pair(string("fee"), 1)));
+  another_map["fie"] = 2;
+  another_map["foe"] = 3;
+  another_map["fum"] = 4;
+  EXPECT_THAT(another_map, Not(Each(make_pair(string("fee"), 1))));
+  EXPECT_THAT(another_map, Not(Each(make_pair(string("fum"), 1))));
+  EXPECT_THAT(another_map, Each(Pair(_, Gt(0))));
+}
+
+TEST(EachTest, AcceptsMatcher) {
+  const int a[] = { 1, 2, 3 };
+  EXPECT_THAT(a, Each(Gt(0)));
+  EXPECT_THAT(a, Not(Each(Gt(1))));
+}
+
+TEST(EachTest, WorksForNativeArrayAsTuple) {
+  const int a[] = { 1, 2 };
+  const int* const pointer = a;
+  EXPECT_THAT(make_tuple(pointer, 2), Each(Gt(0)));
+  EXPECT_THAT(make_tuple(pointer, 2), Not(Each(Gt(1))));
+}
+
 }  // namespace gmock_matchers_test
 }  // namespace testing