Author: Armin Rigo <[email protected]>
Branch: static-callback-embedding
Changeset: r2506:1bd9d4b7e959
Date: 2016-01-01 11:45 +0100
http://bitbucket.org/cffi/cffi/changeset/1bd9d4b7e959/
Log: test for not invoking the init code recursively
diff --git a/testing/embedding/add_recursive-test.c
b/testing/embedding/add_recursive-test.c
new file mode 100644
--- /dev/null
+++ b/testing/embedding/add_recursive-test.c
@@ -0,0 +1,20 @@
+#include <stdio.h>
+
+extern int add_rec(int, int);
+extern int (*my_callback)(int);
+
+static int some_callback(int x)
+{
+ printf("some_callback(%d)\n", x);
+ return add_rec(x, 9);
+}
+
+int main(void)
+{
+ int x, y;
+ my_callback = some_callback;
+ x = add_rec(40, 2);
+ y = add_rec(100, -5);
+ printf("got: %d %d\n", x, y);
+ return 0;
+}
diff --git a/testing/embedding/add_recursive.py
b/testing/embedding/add_recursive.py
new file mode 100644
--- /dev/null
+++ b/testing/embedding/add_recursive.py
@@ -0,0 +1,26 @@
+import cffi
+
+ffi = cffi.FFI()
+
+ffi.cdef("""
+ int (*my_callback)(int);
+ extern "Python" int add_rec(int, int);
+""", dllexport=True)
+
+ffi.embedding_init_code(r"""
+ print "preparing REC"
+
+ @ffi.def_extern()
+ def add_rec(x, y):
+ print "adding %d and %d" % (x, y)
+ return x + y
+
+ x = lib.my_callback(400)
+ print '<<< %d >>>' % (x,)
+""")
+
+ffi.set_source("_add_recursive_cffi", """
+int (*my_callback)(int);
+""")
+
+ffi.compile()
diff --git a/testing/embedding/test_recursive.py
b/testing/embedding/test_recursive.py
new file mode 100644
--- /dev/null
+++ b/testing/embedding/test_recursive.py
@@ -0,0 +1,15 @@
+from testing.embedding.test_basic import EmbeddingTests
+
+
+class TestRecursive(EmbeddingTests):
+ def test_recursive(self):
+ self.prepare_module('add_recursive')
+ self.compile('add_recursive-test', ['_add_recursive_cffi'])
+ output = self.execute('add_recursive-test')
+ assert output == ("preparing REC\n"
+ "some_callback(400)\n"
+ "adding 400 and 9\n"
+ "<<< 409 >>>\n"
+ "adding 40 and 2\n"
+ "adding 100 and -5\n"
+ "got: 42 95\n")
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