examples: add C++ exception handling example

examples/system/cpp_exceptions/example_test.py

@@ -0,0 +1,28 @@
+from __future__ import print_function
+import os
+import sys
+
+test_fw_path = os.getenv('TEST_FW_PATH')
+if test_fw_path and test_fw_path not in sys.path:
+    sys.path.insert(0, test_fw_path)
+
+import TinyFW
+import IDF
+
+@IDF.idf_example_test(env_tag='Example_WIFI')
+def test_examples_system_cpp_exceptions(env, extra_data):
+    dut = env.get_dut('cpp_exceptions_example', 'examples/system/cpp_exceptions')
+    # start test
+    dut.start_app()
+    lines = ['app_main starting',
+             'In constructor, arg=42',
+             'In constructor, arg=0',
+             'In destructor, m_arg=42',
+             'Exception caught: Exception in constructor',
+             'app_main done'
+    ]
+    for line in lines:
+        dut.expect(line, timeout=2)
+
+if __name__ == '__main__':
+    test_examples_system_cpp_exceptions()