92   if (backtrace->NumFrames() == 0) {  in DumpFrames()
97   for (size_t i = 0; i < backtrace->NumFrames(); i++) {  in DumpFrames()
151   ASSERT_GT(backtrace->NumFrames(), static_cast<size_t>(0))  in VerifyLevelDump()
153   ASSERT_LT(backtrace->NumFrames(), static_cast<size_t>(MAX_BACKTRACE_FRAMES))  in VerifyLevelDump()
159   for (size_t i = backtrace->NumFrames()-1; i > 2; i--) {  in VerifyLevelDump()
189   return (backtrace->NumFrames() == MAX_BACKTRACE_FRAMES);  in ReadyMaxBacktrace()
193   ASSERT_EQ(backtrace->NumFrames(), static_cast<size_t>(MAX_BACKTRACE_FRAMES))  in VerifyMaxDump()
237   ASSERT_TRUE(backtrace->NumFrames() != 0);  in TEST()
254   EXPECT_EQ(bt_all->NumFrames(), bt_ign1->NumFrames() + 1)  in VerifyIgnoreFrames()
256   EXPECT_EQ(bt_all->NumFrames(), bt_ign2->NumFrames() + 2)  in VerifyIgnoreFrames()
261   for (size_t i = 0; i < bt_ign2->NumFrames(); i++) {  in VerifyIgnoreFrames()
1304   ASSERT_LT(backtrace->NumFrames(), static_cast<size_t>(MAX_BACKTRACE_FRAMES))  in VerifyUnreadableElfFrame()
1309   ASSERT_LT(frame_num, backtrace->NumFrames()) << DumpFrames(backtrace);  in VerifyUnreadableElfFrame()
1535   ASSERT_EQ(1U, backtrace->NumFrames());  in UnwindFromDevice()
1542   ASSERT_EQ(0U, backtrace->NumFrames());  in UnwindFromDevice()
1554   ASSERT_EQ(1U, backtrace->NumFrames());  in UnwindFromDevice()
1561   ASSERT_EQ(0U, backtrace->NumFrames());  in UnwindFromDevice()