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SUITE_inode_cache_PROBE() {
if $HOST_OS_WINDOWS; then
echo "inode cache not available on Windows"
return
fi
unset CCACHE_NODIRECT
export CCACHE_TEMPDIR="${CCACHE_DIR}/tmp"
touch test.c
$CCACHE $COMPILER -c test.c
if [[ ! -f "${CCACHE_TEMPDIR}/inode-cache-32.v2" && ! -f "${CCACHE_TEMPDIR}/inode-cache-64.v2" ]]; then
local fs_type=$(stat -fLc %T "${CCACHE_DIR}")
echo "inode cache not supported on ${fs_type}"
fi
}
SUITE_inode_cache_SETUP() {
export CCACHE_DEBUG=1
unset CCACHE_NODIRECT
export CCACHE_TEMPDIR="${CCACHE_DIR}/tmp" # isolate inode cache file
# Disable safety guard against race condition in InodeCache. This is OK
# since files used in the tests have different sizes and thus will have
# different cache keys even if ctime/mtime are not updated quickly enough.
export CCACHE_DISABLE_INODE_CACHE_MIN_AGE=1
}
SUITE_inode_cache() {
inode_cache_tests
}
expect_inode_cache_type() {
local expected=$1
local source_file=$2
local type=$3
local actual=$(grep -c "Inode cache $type: $source_file" ${source_file/%.c/.o}.*.ccache-log)
if [ $actual -ne $expected ]; then
test_failed_internal "Found $actual (expected $expected) $type for $source_file"
fi
}
expect_inode_cache() {
expect_inode_cache_type $1 $4 hit
expect_inode_cache_type $2 $4 miss
expect_inode_cache_type $3 $4 insert
}
inode_cache_tests() {
# -------------------------------------------------------------------------
TEST "Compile once"
echo "// compile once" > test1.c
$CCACHE_COMPILE -c test1.c
expect_inode_cache 0 1 1 test1.c
# -------------------------------------------------------------------------
TEST "Recompile"
echo "// recompile" > test1.c
$CCACHE_COMPILE -c test1.c
expect_inode_cache 0 1 1 test1.c
rm *.ccache-*
$CCACHE_COMPILE -c test1.c
expect_inode_cache 1 0 0 test1.c
# -------------------------------------------------------------------------
TEST "Backdate"
echo "// backdate" > test1.c
$CCACHE_COMPILE -c test1.c
expect_inode_cache 0 1 1 test1.c
rm *.ccache-*
backdate test1.c
$CCACHE_COMPILE -c test1.c
expect_inode_cache 0 1 1 test1.c
# -------------------------------------------------------------------------
TEST "Hard link"
echo "// hard linked" > test1.c
ln -f test1.c test2.c
$CCACHE_COMPILE -c test1.c
$CCACHE_COMPILE -c test2.c
expect_inode_cache 0 1 1 test1.c
expect_inode_cache 1 0 0 test2.c
# -------------------------------------------------------------------------
TEST "Symbolic link"
echo "// symbolically linked" > test1.c
ln -fs test1.c test2.c
$CCACHE_COMPILE -c test1.c
$CCACHE_COMPILE -c test2.c
expect_inode_cache 0 1 1 test1.c
expect_inode_cache 1 0 0 test2.c
# -------------------------------------------------------------------------
TEST "Replace"
echo "// replace" > test1.c
$CCACHE_COMPILE -c test1.c
expect_inode_cache 0 1 1 test1.c
rm *.ccache-*
rm test1.c
echo "// replace" > test1.c
$CCACHE_COMPILE -c test1.c
expect_inode_cache 0 1 1 test1.c
}
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