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-rw-r--r--test/tools/llvm-cov/llvm-cov.test5
1 files changed, 5 insertions, 0 deletions
diff --git a/test/tools/llvm-cov/llvm-cov.test b/test/tools/llvm-cov/llvm-cov.test
index cb0c99b747..f205cde791 100644
--- a/test/tools/llvm-cov/llvm-cov.test
+++ b/test/tools/llvm-cov/llvm-cov.test
@@ -48,6 +48,11 @@ RUN: llvm-cov test.c -a -b -c -u | diff -u test_-b.output -
RUN: diff -aub test_-a_-b_-c_-u.cpp.gcov test.cpp.gcov
RUN: diff -aub test_-a_-b_-c_-u.h.gcov test.h.gcov
+# Missing gcda file just gives 0 counts.
+RUN: llvm-cov test.c -gcda=no_such_gcda_file | diff -u test_no_gcda.output -
+RUN: diff -aub test_no_gcda.cpp.gcov test.cpp.gcov
+RUN: diff -aub test_no_gcda.h.gcov test.h.gcov
+
# Invalid gcno file.
RUN: not llvm-cov test.c -gcno=test_read_fail.gcno