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author | Stefan Kangas <stefan@marxist.se> | 2020-10-31 20:26:54 +0100 |
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committer | Stefan Kangas <stefan@marxist.se> | 2020-10-31 20:27:39 +0100 |
commit | f9cac26dc1545ce7b79c68dc2294dfba8486c48b (patch) | |
tree | e670c827ae031c001d85c478f2cc1b2872eb5a81 | |
parent | ca3b199ad536283e5775d2fc1bf2cbeb998e7907 (diff) | |
download | emacs-f9cac26dc1545ce7b79c68dc2294dfba8486c48b.tar.gz |
* test/README: Document TEST_BACKTRACE_LINE_LENGTH.
-rw-r--r-- | test/README | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/test/README b/test/README index fe05b5403b1..d0da89d1c2c 100644 --- a/test/README +++ b/test/README @@ -81,6 +81,11 @@ Some tests might take long time to run. In order to summarize the make SUMMARIZE_TESTS=<nn> ... +The backtrace of failing tests are truncated to the default value of +'ert-batch-backtrace-right-margin'. To see more of the backtrace, use + + make TEST_BACKTRACE_LINE_LENGTH=<nn> ... + The tests are run in batch mode by default; sometimes it's useful to get precisely the same environment but run in interactive mode for debugging. To do that, use |