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kunit: Reset test->priv after each param iteration
If we run parameterized test that uses test->priv to prepare some custom data, then value of test->priv will leak to the next param iteration and may be unexpected. This could be easily seen if we promote example_priv_test to parameterized test as then only first test iteration will be successful: $ ./tools/testing/kunit/kunit.py run \ --kunitconfig ./lib/kunit/.kunitconfig *.example_priv* [ ] Starting KUnit Kernel (1/1)... [ ] ============================================================ [ ] =================== example (1 subtest) ==================== [ ] ==================== example_priv_test ==================== [ ] [PASSED] example value 3 [ ] # example_priv_test: initializing [ ] # example_priv_test: ASSERTION FAILED at lib/kunit/kunit-example-test.c:230 [ ] Expected test->priv == ((void *)0), but [ ] test->priv == 0000000060dfe290 [ ] ((void *)0) == 0000000000000000 [ ] # example_priv_test: cleaning up [ ] [FAILED] example value 2 [ ] # example_priv_test: initializing [ ] # example_priv_test: ASSERTION FAILED at lib/kunit/kunit-example-test.c:230 [ ] Expected test->priv == ((void *)0), but [ ] test->priv == 0000000060dfe290 [ ] ((void *)0) == 0000000000000000 [ ] # example_priv_test: cleaning up [ ] [FAILED] example value 1 [ ] # example_priv_test: initializing [ ] # example_priv_test: ASSERTION FAILED at lib/kunit/kunit-example-test.c:230 [ ] Expected test->priv == ((void *)0), but [ ] test->priv == 0000000060dfe290 [ ] ((void *)0) == 0000000000000000 [ ] # example_priv_test: cleaning up [ ] [FAILED] example value 0 [ ] # example_priv_test: initializing [ ] # example_priv_test: cleaning up [ ] # example_priv_test: pass:1 fail:3 skip:0 total:4 [ ] ================ [FAILED] example_priv_test ================ [ ] # example: initializing suite [ ] # module: kunit_example_test [ ] # example: exiting suite [ ] # Totals: pass:1 fail:3 skip:0 total:4 [ ] ===================== [FAILED] example ===================== Fix that by resetting test->priv after each param iteration, in similar way what we did for the test->status. Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: David Gow <davidgow@google.com> Cc: Rae Moar <rmoar@google.com> Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
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@ -664,6 +664,7 @@ int kunit_run_tests(struct kunit_suite *suite)
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test.param_index++;
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test.param_index++;
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test.status = KUNIT_SUCCESS;
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test.status = KUNIT_SUCCESS;
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test.status_comment[0] = '\0';
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test.status_comment[0] = '\0';
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test.priv = NULL;
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}
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}
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}
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}
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