/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "gtest/gtest.h"

#include "mozilla/Atomics.h"

#include "LulMain.h"

#include "GeckoProfiler.h"       // for TracingKind

#include "platform-linux-lul.h"  // for read_procmaps

// Set this to 0 to make LUL be completely silent during tests.

// Set it to 1 to get logging output from LUL, presumably for

// the purpose of debugging it.

#define DEBUG_LUL_TEST 0

// LUL needs a callback for its logging sink.

static void

gtest_logging_sink_for_LulIntegration(const char* str) {

  if (DEBUG_LUL_TEST == 0) {

    return;

  }

  // Ignore any trailing \n, since LOG will add one anyway.

  size_t n = strlen(str);

  if (n > 0 && str[n-1] == '\n') {

    char* tmp = strdup(str);

    tmp[n-1] = 0;

    fprintf(stderr, "LUL-in-gtest: %s\n", tmp);

    free(tmp);

  } else {

    fprintf(stderr, "LUL-in-gtest: %s\n", str);

  }

}

TEST(LulIntegration, unwind_consistency) {

  // Set up LUL and get it to read unwind info for libxul.so, which is

  // all we care about here, plus (incidentally) practically every

  // other object in the process too.

  lul::LUL* lul = new lul::LUL(gtest_logging_sink_for_LulIntegration);

  read_procmaps(lul);

  // Run unwind tests and receive information about how many there

  // were and how many were successful.

  lul->EnableUnwinding();

  int nTests = 0, nTestsPassed = 0;

  RunLulUnitTests(&nTests, &nTestsPassed, lul);

  EXPECT_TRUE(nTests == 6) << "Unexpected number of tests";

  EXPECT_TRUE(nTestsPassed == nTests) << "Not all tests passed";

  delete lul;

}