build: initial Windows support patches

test.py

@@ -170,6 +170,7 @@ def parse_examples_to_run_file(
 
             # Set the full path for the example.
             example_path = os.path.join(cpp_executable_dir, example_path)
+            example_path += '.exe' if sys.platform == 'win32' else ''
             example_name = os.path.join(
                 os.path.relpath(cpp_executable_dir, NS3_BUILDDIR),
                 example_name)
@@ -1070,6 +1071,7 @@ def run_tests():
     # match what is done in the CMakeLists.txt file.
     #
     test_runner_name = "%s%s-%s%s" % (APPNAME, VERSION, "test-runner", BUILD_PROFILE_SUFFIX)
+    test_runner_name += '.exe' if sys.platform == 'win32' else ''
 
     #
     # Run ns3 to make sure that everything is built, configured and ready to go
@@ -1299,7 +1301,7 @@ def run_tests():
     # This translates into allowing the following options with respect to the
     # suites
     #
-    #  ./test,py:                                           run all of the suites and examples
+    #  ./test.py:                                           run all of the suites and examples
     #  ./test.py --constrain=core:                          run all of the suites of all kinds
     #  ./test.py --constrain=unit:                          run all unit suites
     #  ./test.py --suite=some-test-suite:                   run a single suite
@@ -1399,6 +1401,8 @@ def run_tests():
             stderr_results = stderr_results.decode()
             if len(stderr_results) == 0:
                 processors = int(stdout_results)
+    else:
+        processors = os.cpu_count()
 
     if (options.process_limit):
         if (processors < options.process_limit):
@@ -1508,6 +1512,7 @@ def run_tests():
                     # Remove any arguments and directory names from test.
                     test_name = test.split(' ', 1)[0]
                     test_name = os.path.basename(test_name)
+                    test_name = test_name[:-4] if sys.platform == 'win32' else test_name
 
                     # Don't try to run this example if it isn't runnable.
                     if test_name in ns3_runnable_programs_dictionary: