1 /*
2  * Copyright (C) 2019 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <errno.h>
18 #include <stdio.h>
19 #include <string.h>
20 
21 /* The main purpose of this test is to ensure this C header compiles in C, so
22  * that no C++ features inadvertently leak into the C ABI. */
23 #include "art_api/dex_file_external.h"
24 
25 static const char gtest_output_arg[] = "--gtest_output=xml:";
26 static const char gtest_output_xml[] = "\
27 <?xml version=\"1.0\"?>\n\
28 <testsuites tests=\"0\" failures=\"0\" disabled=\"0\" errors=\"0\" name=\"AllTests\">";
29 
30 /* Writes a dummy gtest xml report to the given path. */
write_gtest_output_xml(char * gtest_output_path)31 static int write_gtest_output_xml(char* gtest_output_path) {
32   FILE* output_fd = fopen(gtest_output_path, "w");
33   if (output_fd == NULL) {
34     fprintf(stderr, "Failed to open %s: %s\n", gtest_output_path, strerror(errno));
35     return 1;
36   }
37   if (fprintf(output_fd, gtest_output_xml) != sizeof(gtest_output_xml) - 1) {
38     fprintf(stderr, "Failed to write %s: %s\n", gtest_output_path, strerror(errno));
39     fclose(output_fd);
40     return 1;
41   }
42   if (fclose(output_fd) != 0) {
43     fprintf(stderr, "Failed to close %s: %s\n", gtest_output_path, strerror(errno));
44     return 1;
45   }
46   return 0;
47 }
48 
main(int argc,char ** argv)49 int main(int argc, char** argv) {
50   if (argc >= 2 && strncmp(argv[1], gtest_output_arg, sizeof(gtest_output_arg) - 1) == 0) {
51     /* The ART gtest framework expects all tests to understand --gtest_output. */
52     return write_gtest_output_xml(argv[1] + sizeof(gtest_output_arg) - 1);
53   }
54   return 0;
55 }
56