[PATCH] D102299: [llvm-cov][test] Add test coverage for "gcov" implying "llvm-cov gcov" compatibility.

[Jordan Rupprecht via Phabricator via llvm-commits]

rupprecht created this revision.
rupprecht added reviewers: jhenderson, MaskRay.
rupprecht requested review of this revision.
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Much like other LLVM binary utilities, `llvm-cov` has a symlink compatibility feature where it runs in `gcov` compatibility mode if the binary name ends in `gcov`. This is identical to invoking `llvm-cov gcov ...`.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D102299

Files:
  llvm/test/tools/llvm-cov/tool-name.test


Index: llvm/test/tools/llvm-cov/tool-name.test
===================================================================
--- /dev/null
+++ llvm/test/tools/llvm-cov/tool-name.test
@@ -0,0 +1,26 @@
+## Don't make symlinks on Windows.
+# UNSUPPORTED: system-windows
+
+# RUN: rm -rf %t
+# RUN: mkdir %t
+
+## By default, assume llvm-cov.
+# RUN: ln -s llvm-cov %t/llvm-foo
+
+# RUN: llvm-cov --help 2>&1 | FileCheck --check-prefix=COV %s
+# RUN: %t/llvm-foo --help 2>&1 | FileCheck --check-prefix=COV %s
+
+# COV: Shows code coverage information.
+# COV: Subcommands:
+
+## If the filename ends in "gcov", assume gcov compatibility.
+# RUN: ln -s llvm-cov %t/llvm-gcov
+# RUN: ln -s llvm-cov %t/gcov
+
+# RUN: %t/llvm-gcov --help 2>&1 | FileCheck --check-prefix=GCOV %s
+# RUN: %t/gcov --help 2>&1 | FileCheck --check-prefix=GCOV %s
+# RUN: llvm-cov gcov --help 2>&1 | FileCheck --check-prefix=GCOV %s
+
+# GCOV: OVERVIEW: LLVM code coverage tool
+# GCOV: --gcda{{.*}}Override inferred gcda file
+# GCOV: --gcno{{.*}}Override inferred gcno file


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