Increases the maximum arity of AllOf() and AnyOf() to 10, by Marcus Börger.

include/gmock/gmock-generated-matchers.h

@@ -849,6 +849,190 @@ ElementsAreArray(const T (&array)[N]) {
   return internal::ElementsAreArrayMatcher<T>(array, N);
 }
 
+// AllOf(m1, m2, ..., mk) matches any value that matches all of the given
+// sub-matchers.
+
+template <typename Matcher1, typename Matcher2>
+inline internal::BothOfMatcher<Matcher1, Matcher2>
+AllOf(Matcher1 m1, Matcher2 m2) {
+  return internal::BothOfMatcher<Matcher1, Matcher2>(m1, m2);
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3>
+inline internal::BothOfMatcher<Matcher1, internal::BothOfMatcher<Matcher2,
+    Matcher3> >
+AllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3) {
+  return AllOf(m1, AllOf(m2, m3));
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3,
+    typename Matcher4>
+inline internal::BothOfMatcher<Matcher1, internal::BothOfMatcher<Matcher2,
+    internal::BothOfMatcher<Matcher3, Matcher4> > >
+AllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4) {
+  return AllOf(m1, AllOf(m2, m3, m4));
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3,
+    typename Matcher4, typename Matcher5>
+inline internal::BothOfMatcher<Matcher1, internal::BothOfMatcher<Matcher2,
+    internal::BothOfMatcher<Matcher3, internal::BothOfMatcher<Matcher4,
+    Matcher5> > > >
+AllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5) {
+  return AllOf(m1, AllOf(m2, m3, m4, m5));
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3,
+    typename Matcher4, typename Matcher5, typename Matcher6>
+inline internal::BothOfMatcher<Matcher1, internal::BothOfMatcher<Matcher2,
+    internal::BothOfMatcher<Matcher3, internal::BothOfMatcher<Matcher4,
+    internal::BothOfMatcher<Matcher5, Matcher6> > > > >
+AllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5,
+    Matcher6 m6) {
+  return AllOf(m1, AllOf(m2, m3, m4, m5, m6));
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3,
+    typename Matcher4, typename Matcher5, typename Matcher6, typename Matcher7>
+inline internal::BothOfMatcher<Matcher1, internal::BothOfMatcher<Matcher2,
+    internal::BothOfMatcher<Matcher3, internal::BothOfMatcher<Matcher4,
+    internal::BothOfMatcher<Matcher5, internal::BothOfMatcher<Matcher6,
+    Matcher7> > > > > >
+AllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5,
+    Matcher6 m6, Matcher7 m7) {
+  return AllOf(m1, AllOf(m2, m3, m4, m5, m6, m7));
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3,
+    typename Matcher4, typename Matcher5, typename Matcher6, typename Matcher7,
+    typename Matcher8>
+inline internal::BothOfMatcher<Matcher1, internal::BothOfMatcher<Matcher2,
+    internal::BothOfMatcher<Matcher3, internal::BothOfMatcher<Matcher4,
+    internal::BothOfMatcher<Matcher5, internal::BothOfMatcher<Matcher6,
+    internal::BothOfMatcher<Matcher7, Matcher8> > > > > > >
+AllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5,
+    Matcher6 m6, Matcher7 m7, Matcher8 m8) {
+  return AllOf(m1, AllOf(m2, m3, m4, m5, m6, m7, m8));
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3,
+    typename Matcher4, typename Matcher5, typename Matcher6, typename Matcher7,
+    typename Matcher8, typename Matcher9>
+inline internal::BothOfMatcher<Matcher1, internal::BothOfMatcher<Matcher2,
+    internal::BothOfMatcher<Matcher3, internal::BothOfMatcher<Matcher4,
+    internal::BothOfMatcher<Matcher5, internal::BothOfMatcher<Matcher6,
+    internal::BothOfMatcher<Matcher7, internal::BothOfMatcher<Matcher8,
+    Matcher9> > > > > > > >
+AllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5,
+    Matcher6 m6, Matcher7 m7, Matcher8 m8, Matcher9 m9) {
+  return AllOf(m1, AllOf(m2, m3, m4, m5, m6, m7, m8, m9));
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3,
+    typename Matcher4, typename Matcher5, typename Matcher6, typename Matcher7,
+    typename Matcher8, typename Matcher9, typename Matcher10>
+inline internal::BothOfMatcher<Matcher1, internal::BothOfMatcher<Matcher2,
+    internal::BothOfMatcher<Matcher3, internal::BothOfMatcher<Matcher4,
+    internal::BothOfMatcher<Matcher5, internal::BothOfMatcher<Matcher6,
+    internal::BothOfMatcher<Matcher7, internal::BothOfMatcher<Matcher8,
+    internal::BothOfMatcher<Matcher9, Matcher10> > > > > > > > >
+AllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5,
+    Matcher6 m6, Matcher7 m7, Matcher8 m8, Matcher9 m9, Matcher10 m10) {
+  return AllOf(m1, AllOf(m2, m3, m4, m5, m6, m7, m8, m9, m10));
+}
+
+// AnyOf(m1, m2, ..., mk) matches any value that matches any of the given
+// sub-matchers.
+
+template <typename Matcher1, typename Matcher2>
+inline internal::EitherOfMatcher<Matcher1, Matcher2>
+AnyOf(Matcher1 m1, Matcher2 m2) {
+  return internal::EitherOfMatcher<Matcher1, Matcher2>(m1, m2);
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3>
+inline internal::EitherOfMatcher<Matcher1, internal::EitherOfMatcher<Matcher2,
+    Matcher3> >
+AnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3) {
+  return AnyOf(m1, AnyOf(m2, m3));
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3,
+    typename Matcher4>
+inline internal::EitherOfMatcher<Matcher1, internal::EitherOfMatcher<Matcher2,
+    internal::EitherOfMatcher<Matcher3, Matcher4> > >
+AnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4) {
+  return AnyOf(m1, AnyOf(m2, m3, m4));
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3,
+    typename Matcher4, typename Matcher5>
+inline internal::EitherOfMatcher<Matcher1, internal::EitherOfMatcher<Matcher2,
+    internal::EitherOfMatcher<Matcher3, internal::EitherOfMatcher<Matcher4,
+    Matcher5> > > >
+AnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5) {
+  return AnyOf(m1, AnyOf(m2, m3, m4, m5));
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3,
+    typename Matcher4, typename Matcher5, typename Matcher6>
+inline internal::EitherOfMatcher<Matcher1, internal::EitherOfMatcher<Matcher2,
+    internal::EitherOfMatcher<Matcher3, internal::EitherOfMatcher<Matcher4,
+    internal::EitherOfMatcher<Matcher5, Matcher6> > > > >
+AnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5,
+    Matcher6 m6) {
+  return AnyOf(m1, AnyOf(m2, m3, m4, m5, m6));
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3,
+    typename Matcher4, typename Matcher5, typename Matcher6, typename Matcher7>
+inline internal::EitherOfMatcher<Matcher1, internal::EitherOfMatcher<Matcher2,
+    internal::EitherOfMatcher<Matcher3, internal::EitherOfMatcher<Matcher4,
+    internal::EitherOfMatcher<Matcher5, internal::EitherOfMatcher<Matcher6,
+    Matcher7> > > > > >
+AnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5,
+    Matcher6 m6, Matcher7 m7) {
+  return AnyOf(m1, AnyOf(m2, m3, m4, m5, m6, m7));
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3,
+    typename Matcher4, typename Matcher5, typename Matcher6, typename Matcher7,
+    typename Matcher8>
+inline internal::EitherOfMatcher<Matcher1, internal::EitherOfMatcher<Matcher2,
+    internal::EitherOfMatcher<Matcher3, internal::EitherOfMatcher<Matcher4,
+    internal::EitherOfMatcher<Matcher5, internal::EitherOfMatcher<Matcher6,
+    internal::EitherOfMatcher<Matcher7, Matcher8> > > > > > >
+AnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5,
+    Matcher6 m6, Matcher7 m7, Matcher8 m8) {
+  return AnyOf(m1, AnyOf(m2, m3, m4, m5, m6, m7, m8));
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3,
+    typename Matcher4, typename Matcher5, typename Matcher6, typename Matcher7,
+    typename Matcher8, typename Matcher9>
+inline internal::EitherOfMatcher<Matcher1, internal::EitherOfMatcher<Matcher2,
+    internal::EitherOfMatcher<Matcher3, internal::EitherOfMatcher<Matcher4,
+    internal::EitherOfMatcher<Matcher5, internal::EitherOfMatcher<Matcher6,
+    internal::EitherOfMatcher<Matcher7, internal::EitherOfMatcher<Matcher8,
+    Matcher9> > > > > > > >
+AnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5,
+    Matcher6 m6, Matcher7 m7, Matcher8 m8, Matcher9 m9) {
+  return AnyOf(m1, AnyOf(m2, m3, m4, m5, m6, m7, m8, m9));
+}
+
+template <typename Matcher1, typename Matcher2, typename Matcher3,
+    typename Matcher4, typename Matcher5, typename Matcher6, typename Matcher7,
+    typename Matcher8, typename Matcher9, typename Matcher10>
+inline internal::EitherOfMatcher<Matcher1, internal::EitherOfMatcher<Matcher2,
+    internal::EitherOfMatcher<Matcher3, internal::EitherOfMatcher<Matcher4,
+    internal::EitherOfMatcher<Matcher5, internal::EitherOfMatcher<Matcher6,
+    internal::EitherOfMatcher<Matcher7, internal::EitherOfMatcher<Matcher8,
+    internal::EitherOfMatcher<Matcher9, Matcher10> > > > > > > > >
+AnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5,
+    Matcher6 m6, Matcher7 m7, Matcher8 m8, Matcher9 m9, Matcher10 m10) {
+  return AnyOf(m1, AnyOf(m2, m3, m4, m5, m6, m7, m8, m9, m10));
+}
+
 }  // namespace testing
 
 // The MATCHER* family of macros can be used in a namespace scope to

include/gmock/gmock-generated-matchers.h.pump

@@ -302,6 +302,52 @@ ElementsAreArray(const T (&array)[N]) {
   return internal::ElementsAreArrayMatcher<T>(array, N);
 }
 
+// AllOf(m1, m2, ..., mk) matches any value that matches all of the given
+// sub-matchers.
+
+$range i 2..n
+$for i [[
+$range j 1..i
+$range k 1..i-1
+
+template <$for j, [[typename Matcher$j]]>
+inline $for k[[internal::BothOfMatcher<Matcher$k, ]]Matcher$i[[]]$for k [[> ]]
+
+AllOf($for j, [[Matcher$j m$j]]) {
+
+$if i == 2 [[
+  return internal::BothOfMatcher<Matcher1, Matcher2>(m1, m2);
+]] $else [[
+  return AllOf(m1, AllOf($for k, [[m$(k + 1)]]));
+]]
+
+}
+
+]]
+
+// AnyOf(m1, m2, ..., mk) matches any value that matches any of the given
+// sub-matchers.
+
+$range i 2..n
+$for i [[
+$range j 1..i
+$range k 1..i-1
+
+template <$for j, [[typename Matcher$j]]>
+inline $for k[[internal::EitherOfMatcher<Matcher$k, ]]Matcher$i[[]]$for k [[> ]]
+
+AnyOf($for j, [[Matcher$j m$j]]) {
+
+$if i == 2 [[
+  return internal::EitherOfMatcher<Matcher1, Matcher2>(m1, m2);
+]] $else [[
+  return AnyOf(m1, AnyOf($for k, [[m$(k + 1)]]));
+]]
+
+}
+
+]]
+
 }  // namespace testing
 $$ } // This Pump meta comment fixes auto-indentation in Emacs. It will not
 $$   // show up in the generated code.

include/gmock/gmock-matchers.h

@@ -2889,82 +2889,6 @@ inline internal::NotMatcher<InnerMatcher> Not(InnerMatcher m) {
   return internal::NotMatcher<InnerMatcher>(m);
 }
 
-// Creates a matcher that matches any value that matches all of the
-// given matchers.
-//
-// For now we only support up to 5 matchers.  Support for more
-// matchers can be added as needed, or the user can use nested
-// AllOf()s.
-template <typename Matcher1, typename Matcher2>
-inline internal::BothOfMatcher<Matcher1, Matcher2>
-AllOf(Matcher1 m1, Matcher2 m2) {
-  return internal::BothOfMatcher<Matcher1, Matcher2>(m1, m2);
-}
-
-template <typename Matcher1, typename Matcher2, typename Matcher3>
-inline internal::BothOfMatcher<Matcher1,
-           internal::BothOfMatcher<Matcher2, Matcher3> >
-AllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3) {
-  return AllOf(m1, AllOf(m2, m3));
-}
-
-template <typename Matcher1, typename Matcher2, typename Matcher3,
-          typename Matcher4>
-inline internal::BothOfMatcher<Matcher1,
-           internal::BothOfMatcher<Matcher2,
-               internal::BothOfMatcher<Matcher3, Matcher4> > >
-AllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4) {
-  return AllOf(m1, AllOf(m2, m3, m4));
-}
-
-template <typename Matcher1, typename Matcher2, typename Matcher3,
-          typename Matcher4, typename Matcher5>
-inline internal::BothOfMatcher<Matcher1,
-           internal::BothOfMatcher<Matcher2,
-               internal::BothOfMatcher<Matcher3,
-                   internal::BothOfMatcher<Matcher4, Matcher5> > > >
-AllOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5) {
-  return AllOf(m1, AllOf(m2, m3, m4, m5));
-}
-
-// Creates a matcher that matches any value that matches at least one
-// of the given matchers.
-//
-// For now we only support up to 5 matchers.  Support for more
-// matchers can be added as needed, or the user can use nested
-// AnyOf()s.
-template <typename Matcher1, typename Matcher2>
-inline internal::EitherOfMatcher<Matcher1, Matcher2>
-AnyOf(Matcher1 m1, Matcher2 m2) {
-  return internal::EitherOfMatcher<Matcher1, Matcher2>(m1, m2);
-}
-
-template <typename Matcher1, typename Matcher2, typename Matcher3>
-inline internal::EitherOfMatcher<Matcher1,
-           internal::EitherOfMatcher<Matcher2, Matcher3> >
-AnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3) {
-  return AnyOf(m1, AnyOf(m2, m3));
-}
-
-template <typename Matcher1, typename Matcher2, typename Matcher3,
-          typename Matcher4>
-inline internal::EitherOfMatcher<Matcher1,
-           internal::EitherOfMatcher<Matcher2,
-               internal::EitherOfMatcher<Matcher3, Matcher4> > >
-AnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4) {
-  return AnyOf(m1, AnyOf(m2, m3, m4));
-}
-
-template <typename Matcher1, typename Matcher2, typename Matcher3,
-          typename Matcher4, typename Matcher5>
-inline internal::EitherOfMatcher<Matcher1,
-           internal::EitherOfMatcher<Matcher2,
-               internal::EitherOfMatcher<Matcher3,
-                   internal::EitherOfMatcher<Matcher4, Matcher5> > > >
-AnyOf(Matcher1 m1, Matcher2 m2, Matcher3 m3, Matcher4 m4, Matcher5 m5) {
-  return AnyOf(m1, AnyOf(m2, m3, m4, m5));
-}
-
 // Returns a matcher that matches anything that satisfies the given
 // predicate.  The predicate can be any unary function or functor
 // whose return type can be implicitly converted to bool.

test/gmock-matchers_test.cc

@@ -1857,6 +1857,16 @@ TEST(NotTest, NotMatcherSafelyCastsMonomorphicMatchers) {
   Matcher<int&> m3 = Not(m);
 }
 
+// Helper to allow easy testing of AllOf matchers with num parameters.
+void AllOfMatches(int num, const Matcher<int>& m) {
+  SCOPED_TRACE(Describe(m));
+  EXPECT_TRUE(m.Matches(0));
+  for (int i = 1; i <= num; ++i) {
+    EXPECT_FALSE(m.Matches(i));
+  }
+  EXPECT_TRUE(m.Matches(num + 1));
+}
+
 // Tests that AllOf(m1, ..., mn) matches any value that matches all of
 // the given matchers.
 TEST(AllOfTest, MatchesWhenAllMatch) {
@@ -1884,6 +1894,23 @@ TEST(AllOfTest, MatchesWhenAllMatch) {
   EXPECT_TRUE(m.Matches(0));
   EXPECT_TRUE(m.Matches(1));
   EXPECT_FALSE(m.Matches(3));
+
+  // The following tests for varying number of sub-matchers. Due to the way
+  // the sub-matchers are handled it is enough to test every sub-matcher once
+  // with sub-matchers using the same matcher type. Varying matcher types are
+  // checked for above.
+  AllOfMatches(2, AllOf(Ne(1), Ne(2)));
+  AllOfMatches(3, AllOf(Ne(1), Ne(2), Ne(3)));
+  AllOfMatches(4, AllOf(Ne(1), Ne(2), Ne(3), Ne(4)));
+  AllOfMatches(5, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5)));
+  AllOfMatches(6, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6)));
+  AllOfMatches(7, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7)));
+  AllOfMatches(8, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7),
+                        Ne(8)));
+  AllOfMatches(9, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7),
+                        Ne(8), Ne(9)));
+  AllOfMatches(10, AllOf(Ne(1), Ne(2), Ne(3), Ne(4), Ne(5), Ne(6), Ne(7), Ne(8),
+                         Ne(9), Ne(10)));
 }
 
 // Tests that AllOf(m1, ..., mn) describes itself properly.
@@ -2006,6 +2033,16 @@ TEST(AllOfTest, ExplainsResult) {
   EXPECT_EQ("which is 5 less than 20", Explain(m, 15));
 }
 
+// Helper to allow easy testing of AnyOf matchers with num parameters.
+void AnyOfMatches(int num, const Matcher<int>& m) {
+  SCOPED_TRACE(Describe(m));
+  EXPECT_FALSE(m.Matches(0));
+  for (int i = 1; i <= num; ++i) {
+    EXPECT_TRUE(m.Matches(i));
+  }
+  EXPECT_FALSE(m.Matches(num + 1));
+}
+
 // Tests that AnyOf(m1, ..., mn) matches any value that matches at
 // least one of the given matchers.
 TEST(AnyOfTest, MatchesWhenAnyMatches) {
@@ -2033,6 +2070,20 @@ TEST(AnyOfTest, MatchesWhenAnyMatches) {
   EXPECT_TRUE(m.Matches(11));
   EXPECT_TRUE(m.Matches(3));
   EXPECT_FALSE(m.Matches(2));
+
+  // The following tests for varying number of sub-matchers. Due to the way
+  // the sub-matchers are handled it is enough to test every sub-matcher once
+  // with sub-matchers using the same matcher type. Varying matcher types are
+  // checked for above.
+  AnyOfMatches(2, AnyOf(1, 2));
+  AnyOfMatches(3, AnyOf(1, 2, 3));
+  AnyOfMatches(4, AnyOf(1, 2, 3, 4));
+  AnyOfMatches(5, AnyOf(1, 2, 3, 4, 5));
+  AnyOfMatches(6, AnyOf(1, 2, 3, 4, 5, 6));
+  AnyOfMatches(7, AnyOf(1, 2, 3, 4, 5, 6, 7));
+  AnyOfMatches(8, AnyOf(1, 2, 3, 4, 5, 6, 7, 8));
+  AnyOfMatches(9, AnyOf(1, 2, 3, 4, 5, 6, 7, 8, 9));
+  AnyOfMatches(10, AnyOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10));
 }
 
 // Tests that AnyOf(m1, ..., mn) describes itself properly.