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//===-- tsan_flags_test.cc ------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file is a part of ThreadSanitizer (TSan), a race detector.
//
//===----------------------------------------------------------------------===//
#include "tsan_flags.h"
#include "tsan_rtl.h"
#include "gtest/gtest.h"
#include <string>
namespace __tsan {
TEST(Flags, Basic) {
// At least should not crash.
Flags f;
InitializeFlags(&f, 0);
InitializeFlags(&f, "");
}
TEST(Flags, DefaultValues) {
Flags f;
f.enable_annotations = false;
InitializeFlags(&f, "");
EXPECT_EQ(true, f.enable_annotations);
}
static const char *options1 =
" enable_annotations=0"
" suppress_equal_stacks=0"
" suppress_equal_addresses=0"
" report_bugs=0"
" report_thread_leaks=0"
" report_destroy_locked=0"
" report_mutex_bugs=0"
" report_signal_unsafe=0"
" report_atomic_races=0"
" force_seq_cst_atomics=0"
" print_benign=0"
" halt_on_error=0"
" atexit_sleep_ms=222"
" profile_memory=qqq"
" flush_memory_ms=444"
" flush_symbolizer_ms=555"
" memory_limit_mb=666"
" stop_on_start=0"
" running_on_valgrind=0"
" history_size=5"
" io_sync=1"
" die_after_fork=true"
"";
static const char *options2 =
" enable_annotations=true"
" suppress_equal_stacks=true"
" suppress_equal_addresses=true"
" report_bugs=true"
" report_thread_leaks=true"
" report_destroy_locked=true"
" report_mutex_bugs=true"
" report_signal_unsafe=true"
" report_atomic_races=true"
" force_seq_cst_atomics=true"
" print_benign=true"
" halt_on_error=true"
" atexit_sleep_ms=123"
" profile_memory=bbbbb"
" flush_memory_ms=234"
" flush_symbolizer_ms=345"
" memory_limit_mb=456"
" stop_on_start=true"
" running_on_valgrind=true"
" history_size=6"
" io_sync=2"
" die_after_fork=false"
"";
void VerifyOptions1(Flags *f) {
EXPECT_EQ(f->enable_annotations, 0);
EXPECT_EQ(f->suppress_equal_stacks, 0);
EXPECT_EQ(f->suppress_equal_addresses, 0);
EXPECT_EQ(f->report_bugs, 0);
EXPECT_EQ(f->report_thread_leaks, 0);
EXPECT_EQ(f->report_destroy_locked, 0);
EXPECT_EQ(f->report_mutex_bugs, 0);
EXPECT_EQ(f->report_signal_unsafe, 0);
EXPECT_EQ(f->report_atomic_races, 0);
EXPECT_EQ(f->force_seq_cst_atomics, 0);
EXPECT_EQ(f->print_benign, 0);
EXPECT_EQ(f->halt_on_error, 0);
EXPECT_EQ(f->atexit_sleep_ms, 222);
EXPECT_EQ(f->profile_memory, std::string("qqq"));
EXPECT_EQ(f->flush_memory_ms, 444);
EXPECT_EQ(f->flush_symbolizer_ms, 555);
EXPECT_EQ(f->memory_limit_mb, 666);
EXPECT_EQ(f->stop_on_start, 0);
EXPECT_EQ(f->running_on_valgrind, 0);
EXPECT_EQ(f->history_size, 5);
EXPECT_EQ(f->io_sync, 1);
EXPECT_EQ(f->die_after_fork, true);
}
void VerifyOptions2(Flags *f) {
EXPECT_EQ(f->enable_annotations, true);
EXPECT_EQ(f->suppress_equal_stacks, true);
EXPECT_EQ(f->suppress_equal_addresses, true);
EXPECT_EQ(f->report_bugs, true);
EXPECT_EQ(f->report_thread_leaks, true);
EXPECT_EQ(f->report_destroy_locked, true);
EXPECT_EQ(f->report_mutex_bugs, true);
EXPECT_EQ(f->report_signal_unsafe, true);
EXPECT_EQ(f->report_atomic_races, true);
EXPECT_EQ(f->force_seq_cst_atomics, true);
EXPECT_EQ(f->print_benign, true);
EXPECT_EQ(f->halt_on_error, true);
EXPECT_EQ(f->atexit_sleep_ms, 123);
EXPECT_EQ(f->profile_memory, std::string("bbbbb"));
EXPECT_EQ(f->flush_memory_ms, 234);
EXPECT_EQ(f->flush_symbolizer_ms, 345);
EXPECT_EQ(f->memory_limit_mb, 456);
EXPECT_EQ(f->stop_on_start, true);
EXPECT_EQ(f->running_on_valgrind, true);
EXPECT_EQ(f->history_size, 6);
EXPECT_EQ(f->io_sync, 2);
EXPECT_EQ(f->die_after_fork, false);
}
static const char *test_default_options;
extern "C" const char *__tsan_default_options() {
return test_default_options;
}
TEST(Flags, ParseDefaultOptions) {
Flags f;
test_default_options = options1;
InitializeFlags(&f, "");
VerifyOptions1(&f);
test_default_options = options2;
InitializeFlags(&f, "");
VerifyOptions2(&f);
}
TEST(Flags, ParseEnvOptions) {
Flags f;
InitializeFlags(&f, options1);
VerifyOptions1(&f);
InitializeFlags(&f, options2);
VerifyOptions2(&f);
}
TEST(Flags, ParsePriority) {
Flags f;
test_default_options = options2;
InitializeFlags(&f, options1);
VerifyOptions1(&f);
test_default_options = options1;
InitializeFlags(&f, options2);
VerifyOptions2(&f);
}
} // namespace __tsan
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