| // Copyright 2013 The Flutter Authors. All rights reserved. | 
 | // Use of this source code is governed by a BSD-style license that can be | 
 | // found in the LICENSE file. | 
 |  | 
 | #include "backtrace.h" | 
 |  | 
 | #include "gtest/gtest.h" | 
 | #include "logging.h" | 
 |  | 
 | namespace fml { | 
 | namespace testing { | 
 |  | 
 | TEST(BacktraceTest, CanGatherBacktrace) { | 
 |   if (!IsCrashHandlingSupported()) { | 
 |     GTEST_SKIP(); | 
 |     return; | 
 |   } | 
 |   { | 
 |     auto trace = BacktraceHere(0); | 
 |     ASSERT_GT(trace.size(), 0u); | 
 |     ASSERT_NE(trace.find("Frame 0"), std::string::npos); | 
 |   } | 
 |  | 
 |   { | 
 |     auto trace = BacktraceHere(1); | 
 |     ASSERT_GT(trace.size(), 0u); | 
 |     ASSERT_NE(trace.find("Frame 0"), std::string::npos); | 
 |   } | 
 |  | 
 |   { | 
 |     auto trace = BacktraceHere(2); | 
 |     ASSERT_GT(trace.size(), 0u); | 
 |     ASSERT_NE(trace.find("Frame 0"), std::string::npos); | 
 |   } | 
 | } | 
 |  | 
 | }  // namespace testing | 
 | }  // namespace fml |