Add test that runs all examples and makes sure they don't crash

5 files changed, 27 insertions, 13 deletions

diff --git a/examples/c_files/basic.c b/examples/c_files/basic.c
new file mode 100644
index 0000000..4cce7f6
--- /dev/null
+++ b/examples/c_files/basic.c
@@ -0,0 +1,3 @@
+int main() {
+  return 0;
+}
diff --git a/examples/dump_ast.py b/examples/dump_ast.py
index b7c3273..e82d038 100644
--- a/examples/dump_ast.py
+++ b/examples/dump_ast.py
@@ -18,7 +18,10 @@ from pycparser import parse_file
 
 if __name__ == "__main__":
     argparser = argparse.ArgumentParser('Dump AST')
-    argparser.add_argument('filename', help='name of file to parse')
+    argparser.add_argument('filename',
+                           default='examples/c_files/basic.c',
+                           nargs='?',
+                           help='name of file to parse')
     argparser.add_argument('--coord', help='show coordinates in the dump',
                            action='store_true')
     args = argparser.parse_args()
diff --git a/examples/func_defs_add_param.py b/examples/func_defs_add_param.py
index 9eb35c9..e9a89d1 100644
--- a/examples/func_defs_add_param.py
+++ b/examples/func_defs_add_param.py
@@ -9,6 +9,9 @@
 #-----------------------------------------------------------------
 from __future__ import print_function
 
+import sys
+sys.path.extend(['.', '..'])
+
 from pycparser import c_parser, c_ast, c_generator
 
 text = r"""
diff --git a/examples/rewrite_ast.py b/examples/rewrite_ast.py
index 164abb5..ea9adb3 100644
--- a/examples/rewrite_ast.py
+++ b/examples/rewrite_ast.py
@@ -7,7 +7,9 @@
 # License: BSD
 #-----------------------------------------------------------------
 from __future__ import print_function
+import sys
 
+sys.path.extend(['.', '..'])
 from pycparser import c_parser
 
 text = r"""
diff --git a/examples/serialize_ast.py b/examples/serialize_ast.py
index e0f8aa3..8669a0a 100644
--- a/examples/serialize_ast.py
+++ b/examples/serialize_ast.py
@@ -9,7 +9,9 @@
 #-----------------------------------------------------------------
 from __future__ import print_function
 import pickle
+import sys
 
+sys.path.extend(['.', '..'])
 from pycparser import c_parser
 
 text = r"""
@@ -19,18 +21,19 @@ void func(void)
 }
 """
 
-parser = c_parser.CParser()
-ast = parser.parse(text)
+if __name__ == '__main__':
+    parser = c_parser.CParser()
+    ast = parser.parse(text)
 
-# Since AST nodes use __slots__ for faster attribute access and
-# space saving, it needs Pickle's protocol version >= 2.
-# The default version is 3 for python 3.x and 1 for python 2.7.
-# You can always select the highest available protocol with the -1 argument.
+    # Since AST nodes use __slots__ for faster attribute access and
+    # space saving, it needs Pickle's protocol version >= 2.
+    # The default version is 3 for python 3.x and 1 for python 2.7.
+    # You can always select the highest available protocol with the -1 argument.
 
-with open('ast', 'wb') as f:
-    pickle.dump(ast, f, protocol=-1)
+    with open('ast', 'wb') as f:
+        pickle.dump(ast, f, protocol=-1)
 
-# Deserialize.
-with open('ast', 'rb') as f:
-    ast = pickle.load(f)
-    ast.show()
+    # Deserialize.
+    with open('ast', 'rb') as f:
+        ast = pickle.load(f)
+        ast.show()