1 files changed, 34 insertions, 0 deletions
diff --git a/test cases/native/7 selfbuilt custom/tool.cpp b/test cases/native/7 selfbuilt custom/tool.cpp
new file mode 100644
index 0000000..6a28dd8
--- /dev/null
+++ b/test cases/native/7 selfbuilt custom/tool.cpp
@@ -0,0 +1,34 @@
+#include<iostream>
+#include<fstream>
+#include<string>
+
+using namespace std;
+
+const char prefix[] = "int ";
+const char suffix[] = " () {\n    return 52;}\n";
+
+int main(int argc, char **argv) {
+    if(argc != 3) {
+        cout << "You is fail.\n";
+        return 1;
+    }
+    ifstream is(argv[1], ifstream::binary);
+    if(!is) {
+        cout << "Opening input file failed.\n";
+        return 1;
+    }
+    string funcname;
+    is >> funcname;
+    ofstream os(argv[2], ofstream::binary);
+    if(!os) {
+        cout << "Opening output file failed.\n";
+        return 1;
+    }
+    os << prefix << funcname << suffix;
+    os.close();
+    if(!os.good()) {
+        cout << "Writing data out failed.\n";
+        return 1;
+    }
+    return 0;
+}