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SUITE_readonly_PROBE() {
mkdir dir
chmod a-w dir
if [ -w dir ]; then
echo "File system doesn't support read-only mode"
fi
rmdir dir
}
SUITE_readonly_SETUP() {
generate_code 1 test.c
generate_code 2 test2.c
}
SUITE_readonly() {
# -------------------------------------------------------------------------
TEST "Cache hit"
# Cache a compilation.
$CCACHE_COMPILE -c test.c
expect_stat preprocessed_cache_hit 0
expect_stat cache_miss 1
rm test.o
# Make the cache read-only.
chmod -R a-w $CCACHE_DIR
# Check that read-only mode finds the cached result.
CCACHE_READONLY=1 CCACHE_TEMPDIR=/tmp CCACHE_PREFIX=false $CCACHE_COMPILE -c test.c
status1=$?
# Check that fallback to the real compiler works for a cache miss.
CCACHE_READONLY=1 CCACHE_TEMPDIR=/tmp $CCACHE_COMPILE -c test2.c
status2=$?
# Leave test dir a nice state after test failure.
chmod -R +w $CCACHE_DIR
if [ $status1 -ne 0 ]; then
test_failed "Failure when compiling test.c read-only"
fi
if [ $status2 -ne 0 ]; then
test_failed "Failure when compiling test2.c read-only"
fi
expect_exists test.o
expect_exists test2.o
# -------------------------------------------------------------------------
TEST "Cache miss"
# Check that read-only mode doesn't try to store new results.
CCACHE_READONLY=1 CCACHE_TEMPDIR=/tmp $CCACHE_COMPILE -c test.c
if [ $? -ne 0 ]; then
test_failed "Failure when compiling test2.c read-only"
fi
expect_stat preprocessed_cache_hit 0
expect_stat cache_miss 1
expect_stat files_in_cache 0
# -------------------------------------------------------------------------
# Check that read-only mode and direct mode work together.
TEST "Cache hit, direct"
# Cache a compilation.
$CCACHE_COMPILE -c test.c
expect_stat preprocessed_cache_hit 0
expect_stat cache_miss 1
rm test.o
# Make the cache read-only.
chmod -R a-w $CCACHE_DIR
# Direct mode should work:
files_before=`find $CCACHE_DIR -type f | wc -l`
CCACHE_DIRECT=1 CCACHE_READONLY=1 CCACHE_TEMPDIR=/tmp $CCACHE_COMPILE -c test.c
files_after=`find $CCACHE_DIR -type f | wc -l`
# Leave test dir a nice state after test failure.
chmod -R +w $CCACHE_DIR
if [ $? -ne 0 ]; then
test_failed "Failure when compiling test.c read-only"
fi
if [ $files_after -ne $files_before ]; then
test_failed "Read-only mode + direct mode stored files in the cache"
fi
}
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