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-rw-r--r--include/gtest/internal/custom/gtest-port.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/gtest/internal/custom/gtest-port.h b/include/gtest/internal/custom/gtest-port.h
index 3083b8e0..b31810da 100644
--- a/include/gtest/internal/custom/gtest-port.h
+++ b/include/gtest/internal/custom/gtest-port.h
@@ -39,6 +39,11 @@
// GTEST_DEFINE_int32_(name, default_val, doc)
// GTEST_DEFINE_string_(name, default_val, doc)
//
+// Test filtering:
+// GTEST_TEST_FILTER_ENV_VAR_ - The name of an environment variable that
+// will be used if --GTEST_FLAG(test_filter)
+// is not provided.
+//
// Logging:
// GTEST_LOG_(severity)
// GTEST_CHECK_(condition)