| // Copyright 2017 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #import <Foundation/Foundation.h> |
| |
| #import "testing/gtest/ios_enable_coverage.h" |
| |
| #if !defined(NDEBUG) && BUILDFLAG(IOS_ENABLE_COVERAGE) && TARGET_OS_SIMULATOR |
| extern"C"void __llvm_profile_set_filename(constchar* name); |
| #endif |
| |
| namespace coverage_util{ |
| |
| voidConfigureCoverageReportPath(){ |
| // 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_OS_SIMULATOR |
| staticdispatch_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_OS_SIMULATOR |
| } |
| |
| }// namespace coverage_util |
