// Copyright 2017 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #import #import "testing/gtest/ios_enable_coverage.h" #if !defined(NDEBUG) && BUILDFLAG(IOS_ENABLE_COVERAGE) && \ TARGET_IPHONE_SIMULATOR extern "C" void __llvm_profile_set_filename(const char* name); #endif namespace coverage_util { void ConfigureCoverageReportPath() { // Targets won't build on real devices with BUILDFLAG(IOS_ENABLE_COVERAGE) // because of llvm library linking issue for arm64 architecture. #if !defined(NDEBUG) && BUILDFLAG(IOS_ENABLE_COVERAGE) && \ TARGET_IPHONE_SIMULATOR static dispatch_once_t once_token; dispatch_once(&once_token, ^{ // Writes the profraw file to the simulator shared resources directory, // where the app has write rights, and will be preserved after app is // killed. NSString* shared_resources_path = NSProcessInfo.processInfo .environment[@"SIMULATOR_SHARED_RESOURCES_DIRECTORY"]; // UUID ensures that there won't be a conflict when multiple apps are // launched in one test suite in EG2. %m enables on-line profile merging. // %c helps preserve coverage data at crash. NSString* file_name = [NSString stringWithFormat:@"%@-%%m-%%c.profraw", NSUUID.UUID.UUIDString]; NSString* file_path = [shared_resources_path stringByAppendingPathComponent:file_name]; // For documentation, see: // http://clang.llvm.org/docs/SourceBasedCodeCoverage.html __llvm_profile_set_filename( [file_path cStringUsingEncoding:NSUTF8StringEncoding]); // Print the path for easier retrieval. NSLog(@"Coverage data at %@.", file_path); }); #endif // !defined(NDEBUG) && BUILDFLAG(IOS_ENABLE_COVERAGE) && // TARGET_IPHONE_SIMULATOR } } // namespace coverage_util