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.. _#2127: https://github.com/bazelbuild/rules_go/issues/2127
coverage functionality
======================
coverage_test
-------------
Checks that ``bazel coverage`` on a ``go_test`` produces reasonable output.
Libraries referenced by the test that pass ``--instrumentation_filter`` should
have coverage data. Library excluded with ``--instrumentatiuon_filter`` should
not have coverage data.
binary_coverage_test
--------------------
Checks that ``bazel build --collect_code_coverage`` can instrument a
``go_binary``. ``bazel coverage`` should also work, though it should fail
with status 4 since the binary is not a test.
This functionality isn't really complete. The generate test main package
gathers and writes coverage data, and that's not present. This is just
a regression test for a link error (`#2127`_).
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