From: Joel Rosdahl <joel@rosdahl.net>
Date: Tue, 4 Nov 2025 20:47:59 +0000 (+0100)
Subject: test: Add test for --serialize-diagnostics
X-Git-Tag: v4.13~79
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=40ce69b82c2bb45b3d5426ffc883415fce529975;p=thirdparty%2Fccache.git

test: Add test for --serialize-diagnostics
---

diff --git a/test/suites/base.bash b/test/suites/base.bash
index 80f9c7f3..0074ebf7 100644
--- a/test/suites/base.bash
+++ b/test/suites/base.bash
@@ -1341,6 +1341,32 @@ EOF
     $CCACHE_COMPILE -Wall -W -c stderr.c 2>stderr.txt
     expect_equal_text_content reference_stderr.txt stderr.txt
 
+    # -------------------------------------------------------------------------
+    if $COMPILER --serialize-diagnostics probe.dia -c test1.c 2>/dev/null; then
+        TEST "--serialize-diagnostics"
+
+        cat <<EOF >stderr.c
+int stderr(void)
+{
+  // Trigger warning by having no return statement.
+}
+EOF
+        $COMPILER -c -Wall -W -c stderr.c --serialize-diagnostics reference.dia 2>reference_stderr.txt
+
+        $CCACHE_COMPILE -Wall -W -c stderr.c --serialize-diagnostics test_1.dia 2>stderr_1.txt
+        expect_stat preprocessed_cache_hit 0
+        expect_stat cache_miss 1
+
+        $CCACHE_COMPILE -Wall -W -c stderr.c --serialize-diagnostics test_2.dia 2>stderr_2.txt
+        expect_stat preprocessed_cache_hit 1
+        expect_stat cache_miss 1
+
+        expect_equal_text_content reference_stderr.txt stderr_1.txt
+        expect_equal_text_content reference_stderr.txt stderr_2.txt
+        expect_equal_text_content reference.dia test_1.dia
+        expect_equal_text_content reference.dia test_2.dia
+    fi
+
     # -------------------------------------------------------------------------
     TEST "Line number in compiler warning"