Added tests for headers being self-contained (i.e. no missing includes).

test/Jamfile.v2

@@ -3,21 +3,37 @@
 # (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
 import testing ;
+import path ;
+import regex ;
 
 rule test_all
 {
-   local all_rules = ;
+    local all_rules ;
+    local file ;
+    local headers_path = [ path.make $(BOOST_ROOT)/libs/heap/include/boost/heap ] ;
+    for file in [ path.glob-tree $(headers_path) : *.hpp : detail ]
+    {
+        local rel_file = [ path.relative-to $(headers_path) $(file) ] ;
+        # Note: The test name starts with '~' in order to group these tests in the test report table, preferably at the end.
+        #       All '/' are replaced with '-' because apparently test scripts have a problem with test names containing slashes.
+        local test_name = [ regex.replace ~hdr/$(rel_file) "/" "-" ] ;
+        #ECHO $(rel_file) ;
+        all_rules += [ compile self_contained_header.cpp : <define>"BOOST_HEAP_TEST_HEADER=$(rel_file)" <dependency>$(file) : $(test_name) ] ;
+    }
 
-   for local fileb in [ glob *.cpp ]
+   for file in [ glob *.cpp ]
    {
-       all_rules += [ run $(fileb)
-      :  # additional args
-      :  # test-files
-      : <library>/boost/test//boost_unit_test_framework # requirements
-      ] ;
+        if [ path.basename $(file) ] != "self_contained_header.cpp"
+        {
+            all_rules += [ run $(file)
+                :  # additional args
+                :  # test-files
+                : <library>/boost/test//boost_unit_test_framework # requirements
+            ] ;
+        }
    }
 
     return $(all_rules) ;
 }
 
-test-suite heap : [ test_all r ] : <threading>multi ;
+test-suite heap : [ test_all ] : <threading>multi ;

test/self_contained_header.cpp

@@ -0,0 +1,22 @@
+/*
+ *            Copyright Andrey Semashev 2018.
+ * Distributed under the Boost Software License, Version 1.0.
+ *    (See accompanying file LICENSE_1_0.txt or copy at
+ *          http://www.boost.org/LICENSE_1_0.txt)
+ */
+/*!
+ * \file   self_contained_header.cpp
+ * \author Andrey Semashev
+ * \date   28.10.2018
+ *
+ * \brief  This file contains a test boilerplate for checking that every public header is self-contained and does not have any missing #includes.
+ */
+
+#define BOOST_HEAP_TEST_INCLUDE_HEADER() <boost/heap/BOOST_HEAP_TEST_HEADER>
+
+#include BOOST_HEAP_TEST_INCLUDE_HEADER()
+
+int main(int, char*[])
+{
+    return 0;
+}