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//===-- UnixSignalsTest.cpp -------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include <string>
#include "gtest/gtest.h"
#include "lldb/Target/UnixSignals.h"
#include "llvm/Support/FormatVariadic.h"
using namespace lldb;
using namespace lldb_private;
using llvm::None;
class TestSignals : public UnixSignals {
public:
TestSignals() {
m_signals.clear();
AddSignal(2, "SIG2", false, true, true, "DESC2");
AddSignal(4, "SIG4", true, false, true, "DESC4");
AddSignal(8, "SIG8", true, true, true, "DESC8");
AddSignal(16, "SIG16", true, false, false, "DESC16");
}
};
void ExpectEqArrays(llvm::ArrayRef<int32_t> expected,
llvm::ArrayRef<int32_t> observed, const char *file,
int line) {
std::string location = llvm::formatv("{0}:{1}", file, line);
ASSERT_EQ(expected.size(), observed.size()) << location;
for (size_t i = 0; i < observed.size(); ++i) {
ASSERT_EQ(expected[i], observed[i])
<< "array index: " << i << "location:" << location;
}
}
#define EXPECT_EQ_ARRAYS(expected, observed) \
ExpectEqArrays((expected), (observed), __FILE__, __LINE__);
TEST(UnixSignalsTest, Iteration) {
TestSignals signals;
EXPECT_EQ(4, signals.GetNumSignals());
EXPECT_EQ(2, signals.GetFirstSignalNumber());
EXPECT_EQ(4, signals.GetNextSignalNumber(2));
EXPECT_EQ(8, signals.GetNextSignalNumber(4));
EXPECT_EQ(16, signals.GetNextSignalNumber(8));
EXPECT_EQ(LLDB_INVALID_SIGNAL_NUMBER, signals.GetNextSignalNumber(16));
}
TEST(UnixSignalsTest, GetInfo) {
TestSignals signals;
bool should_suppress = false, should_stop = false, should_notify = false;
int32_t signo = 4;
std::string name =
signals.GetSignalInfo(signo, should_suppress, should_stop, should_notify);
EXPECT_EQ("SIG4", name);
EXPECT_EQ(true, should_suppress);
EXPECT_EQ(false, should_stop);
EXPECT_EQ(true, should_notify);
EXPECT_EQ(true, signals.GetShouldSuppress(signo));
EXPECT_EQ(false, signals.GetShouldStop(signo));
EXPECT_EQ(true, signals.GetShouldNotify(signo));
EXPECT_EQ(name, signals.GetSignalAsCString(signo));
}
TEST(UnixSignalsTest, VersionChange) {
TestSignals signals;
int32_t signo = 8;
uint64_t ver = signals.GetVersion();
EXPECT_GT(ver, 0ull);
EXPECT_EQ(true, signals.GetShouldSuppress(signo));
EXPECT_EQ(true, signals.GetShouldStop(signo));
EXPECT_EQ(true, signals.GetShouldNotify(signo));
EXPECT_EQ(signals.GetVersion(), ver);
signals.SetShouldSuppress(signo, false);
EXPECT_LT(ver, signals.GetVersion());
ver = signals.GetVersion();
signals.SetShouldStop(signo, true);
EXPECT_LT(ver, signals.GetVersion());
ver = signals.GetVersion();
signals.SetShouldNotify(signo, false);
EXPECT_LT(ver, signals.GetVersion());
ver = signals.GetVersion();
EXPECT_EQ(false, signals.GetShouldSuppress(signo));
EXPECT_EQ(true, signals.GetShouldStop(signo));
EXPECT_EQ(false, signals.GetShouldNotify(signo));
EXPECT_EQ(ver, signals.GetVersion());
}
TEST(UnixSignalsTest, GetFilteredSignals) {
TestSignals signals;
auto all_signals = signals.GetFilteredSignals(None, None, None);
std::vector<int32_t> expected = {2, 4, 8, 16};
EXPECT_EQ_ARRAYS(expected, all_signals);
auto supressed = signals.GetFilteredSignals(true, None, None);
expected = {4, 8, 16};
EXPECT_EQ_ARRAYS(expected, supressed);
auto not_supressed = signals.GetFilteredSignals(false, None, None);
expected = {2};
EXPECT_EQ_ARRAYS(expected, not_supressed);
auto stopped = signals.GetFilteredSignals(None, true, None);
expected = {2, 8};
EXPECT_EQ_ARRAYS(expected, stopped);
auto not_stopped = signals.GetFilteredSignals(None, false, None);
expected = {4, 16};
EXPECT_EQ_ARRAYS(expected, not_stopped);
auto notified = signals.GetFilteredSignals(None, None, true);
expected = {2, 4, 8};
EXPECT_EQ_ARRAYS(expected, notified);
auto not_notified = signals.GetFilteredSignals(None, None, false);
expected = {16};
EXPECT_EQ_ARRAYS(expected, not_notified);
auto signal4 = signals.GetFilteredSignals(true, false, true);
expected = {4};
EXPECT_EQ_ARRAYS(expected, signal4);
}
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