Add AllTrue, AnyTrue, NoneTrue matchers

src/CMakeLists.txt

@@ -187,6 +187,7 @@ set(IMPL_SOURCES
     ${SOURCES_DIR}/interfaces/catch_interfaces_reporter.cpp
     ${SOURCES_DIR}/internal/catch_list.cpp
     ${SOURCES_DIR}/matchers/catch_matchers_floating_point.cpp
+    ${SOURCES_DIR}/matchers/catch_matchers_quantifiers.cpp
     ${SOURCES_DIR}/matchers/catch_matchers_string.cpp
     ${SOURCES_DIR}/matchers/catch_matchers_templated.cpp
     ${SOURCES_DIR}/catch_message.cpp

src/catch2/matchers/catch_matchers_quantifiers.cpp

@@ -0,0 +1,24 @@
+
+//              Copyright Catch2 Authors
+// Distributed under the Boost Software License, Version 1.0.
+//   (See accompanying file LICENSE_1_0.txt or copy at
+//        https://www.boost.org/LICENSE_1_0.txt)
+
+// SPDX-License-Identifier: BSL-1.0
+#include <catch2/matchers/catch_matchers_quantifiers.hpp>
+
+namespace Catch {
+    namespace Matchers {
+        std::string AllTrueMatcher::describe() const { return "contains only true"; }
+
+        AllTrueMatcher AllTrue() { return AllTrueMatcher{}; }
+
+        std::string NoneTrueMatcher::describe() const { return "contains no true"; }
+
+        NoneTrueMatcher NoneTrue() { return NoneTrueMatcher{}; }
+
+        std::string AnyTrueMatcher::describe() const { return "contains at least one true"; }
+
+        AnyTrueMatcher AnyTrue() { return AnyTrueMatcher{}; }
+    } // namespace Matchers
+} // namespace Catch

src/catch2/matchers/catch_matchers_quantifiers.hpp

@@ -85,7 +85,55 @@ namespace Catch {
             }
         };
 
-        // Creates a matcher that checks whether a range contains element matching a matcher
+        // Matcher for checking that all elements in range are true.
+        class AllTrueMatcher final : public MatcherGenericBase {
+        public:
+            std::string describe() const override;
+
+            template <typename RangeLike>
+            bool match(RangeLike&& rng) const {
+                for (auto&& elem : rng) {
+                    if (!elem) {
+                        return false;
+                    }
+                }
+                return true;
+            }
+        };
+
+        // Matcher for checking that no element in range is true.
+        class NoneTrueMatcher final : public MatcherGenericBase {
+        public:
+            std::string describe() const override;
+
+            template <typename RangeLike>
+            bool match(RangeLike&& rng) const {
+                for (auto&& elem : rng) {
+                    if (elem) {
+                        return false;
+                    }
+                }
+                return true;
+            }
+        };
+
+        // Matcher for checking that any element in range is true.
+        class AnyTrueMatcher final : public MatcherGenericBase {
+        public:
+            std::string describe() const override;
+
+            template <typename RangeLike>
+            bool match(RangeLike&& rng) const {
+                for (auto&& elem : rng) {
+                    if (elem) {
+                        return true;
+                    }
+                }
+                return false;
+            }
+        };
+
+        // Creates a matcher that checks whether all elements in a range match a matcher
         template <typename Matcher>
         AllMatchMatcher<Matcher> AllMatch(Matcher&& matcher) {
             return { CATCH_FORWARD(matcher) };
@@ -102,6 +150,15 @@ namespace Catch {
         AnyMatchMatcher<Matcher> AnyMatch(Matcher&& matcher) {
             return { CATCH_FORWARD(matcher) };
         }
+
+        // Creates a matcher that checks whether all elements in a range are true
+        AllTrueMatcher AllTrue();
+
+        // Creates a matcher that checks whether no element in a range is true
+        NoneTrueMatcher NoneTrue();
+
+        // Creates a matcher that checks whether any element in a range is true
+        AnyTrueMatcher AnyTrue();
     }
 }