blob: a8c8670812d861c783c52084d8d866dea1845fd8 [file] [log] [blame]
// 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 <Foundation/Foundation.h>
#import "testing/gtest/ios_enable_coverage.h"
#if !defined(NDEBUG) && BUILDFLAG(IOS_ENABLE_COVERAGE)
extern "C" void __llvm_profile_set_filename(const char* name);
#endif
namespace coverage_util {
void ConfigureCoverageReportPath() {
#if !defined(NDEBUG) && BUILDFLAG(IOS_ENABLE_COVERAGE)
static dispatch_once_t once_token;
dispatch_once(&once_token, ^{
// Writes the profraw file to the Documents directory, where the app has
// write rights.
NSArray* paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,
NSUserDomainMask, YES);
NSString* documents_directory = [paths firstObject];
NSString* file_name = [documents_directory
stringByAppendingPathComponent:@"coverage.profraw"];
// For documentation, see:
// http://clang.llvm.org/docs/SourceBasedCodeCoverage.html
__llvm_profile_set_filename(
[file_name cStringUsingEncoding:NSUTF8StringEncoding]);
// Print the path for easier retrieval.
NSLog(@"Coverage data at %@.", file_name);
});
#endif // !defined(NDEBUG) && BUILDFLAG(IOS_ENABLE_COVERAGE)
}
} // namespace coverage_util