1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/tools/profiler/tests/gtest/LulTest.cpp Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,50 @@ 1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.8 + 1.9 +#include "gtest/gtest.h" 1.10 +#include "LulMain.h" 1.11 +#include "GeckoProfiler.h" // for TracingMetadata 1.12 +#include "UnwinderThread2.h" // for read_procmaps 1.13 + 1.14 +// Set this to 0 to make LUL be completely silent during tests. 1.15 +// Set it to 1 to get logging output from LUL, presumably for 1.16 +// the purpose of debugging it. 1.17 +#define DEBUG_LUL_TEST 0 1.18 + 1.19 +// LUL needs a callback for its logging sink. 1.20 +static void 1.21 +logging_sink_for_LUL(const char* str) { 1.22 + if (DEBUG_LUL_TEST == 0) { 1.23 + return; 1.24 + } 1.25 + // Ignore any trailing \n, since LOG will add one anyway. 1.26 + size_t n = strlen(str); 1.27 + if (n > 0 && str[n-1] == '\n') { 1.28 + char* tmp = strdup(str); 1.29 + tmp[n-1] = 0; 1.30 + fprintf(stderr, "LUL-in-gtest: %s\n", tmp); 1.31 + free(tmp); 1.32 + } else { 1.33 + fprintf(stderr, "LUL-in-gtest: %s\n", str); 1.34 + } 1.35 +} 1.36 + 1.37 +TEST(LUL, unwind_consistency) { 1.38 + // Set up LUL and get it to read unwind info for libxul.so, which is 1.39 + // all we care about here, plus (incidentally) practically every 1.40 + // other object in the process too. 1.41 + lul::LUL* lul = new lul::LUL(logging_sink_for_LUL); 1.42 + lul->RegisterUnwinderThread(); 1.43 + read_procmaps(lul); 1.44 + 1.45 + // Run unwind tests and receive information about how many there 1.46 + // were and how many were successful. 1.47 + int nTests = 0, nTestsPassed = 0; 1.48 + RunLulUnitTests(&nTests, &nTestsPassed, lul); 1.49 + EXPECT_TRUE(nTests == 6) << "Unexpected number of tests"; 1.50 + EXPECT_TRUE(nTestsPassed == nTests) << "Not all tests passed"; 1.51 + 1.52 + delete lul; 1.53 +}