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Summary:
The test was failing occasionally (1% of runs or so), because of
unpredictable timings between the two threads spawned by the test. If
the second thread hit the breakpoint right as we were stepping out of
the function on the first thread, we would still be stuck at the inner
frame when the process stopped.
This would cause errors like:
File "/home/worker/lldb-x86_64-debian/lldb-x86_64-debian/llvm/tools/lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/step/TestVSCode_step.py", line 67, in test_step
self.assertEqual(x1, x3, 'verify step out variable')
AssertionError: 2 != 1 : verify step out variable
AFAICT, lldb-vscode is doing the right thing here, and the problem is
that the test is not taking this sequence of events into account. Since
the test is about testing stepping, it does not seem necessary to have
threads in the inferior at all, so I just rewrite the test to execute
the code we're supposed to step through directly on the main thread.
Reviewers: clayborg, jgorbe
Subscribers: jfb, lldb-commits
Differential Revision: https://reviews.llvm.org/D60608
llvm-svn: 358847
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llvm-svn: 358660
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When this test fails (flakes) all we get is an error message like "False
is not True". This replaces patterns like assertTrue(a == b) with
assertEqual(a, b), so we get a better error message (and hopefully a
hint as to why the test is flaky).
llvm-svn: 357747
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Summary:
After https://reviews.llvm.org/D59828 and https://reviews.llvm.org/D59849,
I believe the problems with these tests hanging have been solved.
I tried enabling all of them on my machine, and got two failures:
- One of them was spawning a child process that lives for 5 seconds, waited
for 5 seconds to attach to the child, and failed because the child wasn't
there.
- The other one was a legit failure because shell expansion of arguments doesn't
work on Linux.
This tests enables all lldb-vscode tests on Linux except for "launch process
with shell expansion of args" (which doesn't work), and fixes the other broken
test by reducing the time it waits before attaching to its child process.
Reviewers: zturner, clayborg
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D60153
llvm-svn: 357633
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Summary:
This change prevents the lldb-vscode test harness from hanging up waiting for
new messages when the lldb-vscode subprocess crashes.
Now, when an EOF from the subprocess pipe is detected we enqueue a `None` packet
in the received packets list. Then, during the message processing loop, we can
use this `None` packet to tell apart the case where lldb-vscode has terminated
unexpectedly from the normal situation where no pending messages means blocking
and waiting for more data.
I believe this should be enough to fix the issues with these tests hanging on
multiple platforms. Once this lands, I'll prepare and test a separate change
removing the @skipIfLinux annotations.
Reviewers: clayborg, zturner
Subscribers: lldb-commits
Tags: #lldb
Differential Revision: https://reviews.llvm.org/D59849
llvm-svn: 357426
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Test hangs under heavy load.
llvm-svn: 356379
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Add a convenience 'expectedFailureNetBSD' decorator and mark all tests
currently failing on NetBSD with it. Also skip a few tests that hang
the test suite. This should establish a baseline for the test suite
and get us closer to enabling tests on buildbot. This will help us
catch regressions while we still have a lot of work to do to get tests
working.
It seems that there are also some flaky tests. I am going to address
them later on.
Differential Revision: https://reviews.llvm.org/D58527
llvm-svn: 355320
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encode/decode the data before sending it over the socket. Since (AFAICT)
the vscode protocol (unlike the gdb-remote one) is fully textual, using
the utf8 codec here is appropriate.
llvm-svn: 354308
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Reviewers: lldb-commits
Subscribers: srhines, ki.stfu
Differential Revision: https://reviews.llvm.org/D52884
llvm-svn: 343825
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llvm-svn: 341186
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Summary: These are already skipped on Darwin because they cause build bot failures. Both on the build bots as well as in our testing we have seen a number of these tests fail and hang. This change skips the failing/hanging tests on Linux and also fixes one of the test - the test needs the thread library to build.
Reviewers: asmith, clayborg, aprantl
Subscribers: teemperor, lldb-commits
Differential Revision: https://reviews.llvm.org/D51227
llvm-svn: 340658
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load and poor machines.
llvm-svn: 340112
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having trouble.
llvm-svn: 340077
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on what is going wrong on test bots.
Also add a cleanup function to remove the copied binary.
llvm-svn: 340050
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Debug Adaptor Protocol
This patch adds a new lldb-vscode tool that speaks the Microsoft Visual Studio Code debug adaptor protocol. It has full unit tests that test all packets.
This tool can be easily packaged up into a native extension and used with Visual Studio Code, and it can also be used by Nuclide
Differential Revision: https://reviews.llvm.org/D50365
llvm-svn: 339911
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