pw_preprocessor: Test GCC/Clang diagnostic modification macros

Change-Id: I023be0c4552a41892295b2c6769973d70c9e1f07 Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/231336 Pigweed-Auto-Submit: Wyatt Hepler <[email protected]> Commit-Queue: Auto-Submit <[email protected]> Lint: Lint 🤖 <[email protected]> Presubmit-Verified: CQ Bot Account <[email protected]> Reviewed-by: Carlos Chinchilla <[email protected]>
google · Aug 22, 2024 · a75b716 · a75b716
1 parent 80c7c74
commit a75b716
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/pw_preprocessor/compiler_test.cc b/pw_preprocessor/compiler_test.cc
@@ -46,5 +46,15 @@ TEST(CompilerMacros, ModifyDiagnostics) {
   PW_MODIFY_DIAGNOSTICS_POP();
 }
 
+TEST(CompilerMacros, ModifyDiagnosticsClangGcc) {
+  PW_MODIFY_DIAGNOSTICS_PUSH();
+  PW_MODIFY_DIAGNOSTIC_GCC(ignored, "-Wunused-variable");
+  PW_MODIFY_DIAGNOSTIC_CLANG(ignored, "-Wunused-variable");
+
+  int this_variable_also_is_unused;
+
+  PW_MODIFY_DIAGNOSTICS_POP();
+}
+
 }  // namespace
 }  // namespace pw::preprocessor