xref: /aosp_15_r20/external/webrtc/test/ios/coverage_util_ios.mm (revision d9f758449e529ab9291ac668be2861e7a55c2422)
1/*
2 *  Copyright 2018 The WebRTC Project Authors. All rights reserved.
3 *
4 *  Use of this source code is governed by a BSD-style license
5 *  that can be found in the LICENSE file in the root of the source
6 *  tree. An additional intellectual property rights grant can be found
7 *  in the file PATENTS.  All contributing project authors may
8 *  be found in the AUTHORS file in the root of the source tree.
9 */
10
11#import <Foundation/Foundation.h>
12
13#ifdef WEBRTC_IOS_ENABLE_COVERAGE
14extern "C" void __llvm_profile_set_filename(const char* name);
15#endif
16
17namespace rtc {
18namespace test {
19
20void ConfigureCoverageReportPath() {
21#ifdef WEBRTC_IOS_ENABLE_COVERAGE
22  static dispatch_once_t once_token;
23  dispatch_once(&once_token, ^{
24    // Writes the profraw file to the Documents directory, where the app has
25    // write rights.
26    NSArray* paths =
27        NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
28    NSString* documents_directory = [paths firstObject];
29    NSString* file_name = [documents_directory stringByAppendingPathComponent:@"coverage.profraw"];
30
31    // For documentation, see:
32    // http://clang.llvm.org/docs/SourceBasedCodeCoverage.html
33    __llvm_profile_set_filename([file_name cStringUsingEncoding:NSUTF8StringEncoding]);
34
35    // Print the path for easier retrieval.
36    NSLog(@"Coverage data at %@.", file_name);
37  });
38#endif  // ifdef WEBRTC_IOS_ENABLE_COVERAGE
39}
40
41}  // namespace test
42}  // namespace rtc
43