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#!/bin/sh
#
# A simple test suite for ccache.
#
# Copyright (C) 2002-2007 Andrew Tridgell
# Copyright (C) 2009-2010 Joel Rosdahl
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation; either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program; if not, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
if test -n "$CC"; then
COMPILER="$CC"
else
COMPILER=cc
fi
if [ "x$PWD" = x ]; then
PWD=`pwd`
fi
if [ -z "$CCACHE" ]; then
CCACHE=$PWD/ccache
fi
TESTDIR=testdir.$$
unset CCACHE_BASEDIR
unset CCACHE_CC
unset CCACHE_COMPILERCHECK
unset CCACHE_CPP2
unset CCACHE_DIR
unset CCACHE_DISABLE
unset CCACHE_EXTENSION
unset CCACHE_HARDLINK
unset CCACHE_HASHDIR
unset CCACHE_LOGFILE
unset CCACHE_NLEVELS
unset CCACHE_NOCOMPRESS
unset CCACHE_NODIRECT
unset CCACHE_NOSTATS
unset CCACHE_PATH
unset CCACHE_PREFIX
unset CCACHE_READONLY
unset CCACHE_RECACHE
unset CCACHE_TEMPDIR
unset CCACHE_UMASK
unset CCACHE_UNIFY
test_failed() {
echo "SUITE: \"$testsuite\", TEST: \"$testname\" - $1"
$CCACHE -s
cd ..
echo TEST FAILED
echo "Test data and log file have been left in $TESTDIR"
exit 1
}
randcode() {
outfile="$1"
nlines=$2
i=0
(
while [ $i -lt $nlines ]; do
echo "int foo$nlines$i(int x) { return x; }"
i=`expr $i + 1`
done
) >> "$outfile"
}
getstat() {
stat="$1"
value=`$CCACHE -s | grep "$stat" | cut -c34-40`
echo $value
}
checkstat() {
stat="$1"
expected_value="$2"
value=`getstat "$stat"`
if [ "$expected_value" != "$value" ]; then
test_failed "Expected \"$stat\" to be $expected_value, got $value"
fi
}
checkfile() {
if [ ! -f $1 ]; then
test_failed "$1 not found"
fi
if [ "`cat $1`" != "$2" ]; then
test_failed "Bad content of $1.\nExpected: $2\nActual: `cat $1`"
fi
}
sed_in_place() {
expr=$1
shift
for file in $*; do
(rm $file; sed "$expr" >$file) <$file
done
}
backdate() {
touch -t 197001010000 "$@"
}
run_suite() {
rm -rf $CCACHE_DIR
echo "starting testsuite $1"
testsuite=$1
${1}_suite
testname="the tmp directory should be empty"
if [ "`find $CCACHE_DIR/tmp -type f | wc -l`" -gt 0 ]; then
test_failed "$CCACHE_DIR/tmp is not empty"
fi
}
base_tests() {
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 0
checkstat 'files in cache' 0
j=1
rm -f *.c
while [ $j -lt 32 ]; do
randcode test$j.c $j
j=`expr $j + 1`
done
testname="BASIC"
$CCACHE_COMPILE -c test1.c
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
checkstat 'files in cache' 1
testname="BASIC2"
$CCACHE_COMPILE -c test1.c
checkstat 'cache hit (preprocessed)' 1
checkstat 'cache miss' 1
checkstat 'files in cache' 1
testname="debug"
$CCACHE_COMPILE -c test1.c -g
checkstat 'cache hit (preprocessed)' 1
checkstat 'cache miss' 2
checkstat 'files in cache' 2
testname="debug2"
$CCACHE_COMPILE -c test1.c -g
checkstat 'cache hit (preprocessed)' 2
checkstat 'cache miss' 2
testname="output"
$CCACHE_COMPILE -c test1.c -o foo.o
checkstat 'cache hit (preprocessed)' 3
checkstat 'cache miss' 2
testname="link"
$CCACHE_COMPILE test1.c -o test 2> /dev/null
checkstat 'called for link' 1
testname="multiple"
$CCACHE_COMPILE -c test1.c test2.c
checkstat 'multiple source files' 1
testname="find"
$CCACHE blahblah -c test1.c 2> /dev/null
checkstat "couldn't find the compiler" 1
testname="bad"
$CCACHE_COMPILE -c test1.c -I 2> /dev/null
checkstat 'bad compiler arguments' 1
testname="c/c++"
ln -f test1.c test1.ccc
$CCACHE_COMPILE -c test1.ccc 2> /dev/null
checkstat 'not a C/C++ file' 1
testname="unsupported"
$CCACHE_COMPILE -M foo -c test1.c > /dev/null 2>&1
checkstat 'unsupported compiler option' 1
testname="stdout"
$CCACHE echo foo -c test1.c > /dev/null
checkstat 'compiler produced stdout' 1
testname="non-regular"
mkdir testd
$CCACHE_COMPILE -o testd -c test1.c > /dev/null 2>&1
rmdir testd
checkstat 'output to a non-regular file' 1
testname="no-input"
$CCACHE_COMPILE -c -O2 2> /dev/null
checkstat 'no input file' 1
testname="CCACHE_DISABLE"
CCACHE_DISABLE=1 $CCACHE_COMPILE -c test1.c 2> /dev/null
checkstat 'cache hit (preprocessed)' 3
$CCACHE_COMPILE -c test1.c
checkstat 'cache hit (preprocessed)' 4
testname="CCACHE_CPP2"
CCACHE_CPP2=1 $CCACHE_COMPILE -c test1.c -O -O
checkstat 'cache hit (preprocessed)' 4
checkstat 'cache miss' 3
CCACHE_CPP2=1 $CCACHE_COMPILE -c test1.c -O -O
checkstat 'cache hit (preprocessed)' 5
checkstat 'cache miss' 3
testname="CCACHE_NOSTATS"
CCACHE_NOSTATS=1 $CCACHE_COMPILE -c test1.c -O -O
checkstat 'cache hit (preprocessed)' 5
checkstat 'cache miss' 3
testname="CCACHE_RECACHE"
CCACHE_RECACHE=1 $CCACHE_COMPILE -c test1.c -O -O
checkstat 'cache hit (preprocessed)' 5
checkstat 'cache miss' 4
# strictly speaking should be 3 - RECACHE causes a double counting!
checkstat 'files in cache' 4
$CCACHE -c > /dev/null
checkstat 'files in cache' 3
testname="CCACHE_HASHDIR"
CCACHE_HASHDIR=1 $CCACHE_COMPILE -c test1.c -O -O
checkstat 'cache hit (preprocessed)' 5
checkstat 'cache miss' 5
CCACHE_HASHDIR=1 $CCACHE_COMPILE -c test1.c -O -O
checkstat 'cache hit (preprocessed)' 6
checkstat 'cache miss' 5
checkstat 'files in cache' 4
testname="comments"
echo '/* a silly comment */' > test1-comment.c
cat test1.c >> test1-comment.c
$CCACHE_COMPILE -c test1-comment.c
rm -f test1-comment*
checkstat 'cache hit (preprocessed)' 6
checkstat 'cache miss' 6
testname="CCACHE_UNIFY"
CCACHE_UNIFY=1 $CCACHE_COMPILE -c test1.c
checkstat 'cache hit (preprocessed)' 6
checkstat 'cache miss' 7
mv test1.c test1-saved.c
echo '/* another comment */' > test1.c
cat test1-saved.c >> test1.c
CCACHE_UNIFY=1 $CCACHE_COMPILE -c test1.c
mv test1-saved.c test1.c
checkstat 'cache hit (preprocessed)' 7
checkstat 'cache miss' 7
testname="cache-size"
for f in *.c; do
$CCACHE_COMPILE -c $f
done
checkstat 'cache hit (preprocessed)' 8
checkstat 'cache miss' 37
checkstat 'files in cache' 36
$CCACHE -F 32 -c > /dev/null
if [ `getstat 'files in cache'` -gt 32 ]; then
test_failed '-F test failed'
fi
testname="cpp call"
$CCACHE_COMPILE -c test1.c -E > test1.i
checkstat 'cache hit (preprocessed)' 8
checkstat 'cache miss' 37
testname="direct .i compile"
$CCACHE_COMPILE -c test1.c
checkstat 'cache hit (preprocessed)' 8
checkstat 'cache miss' 38
$CCACHE_COMPILE -c test1.i
checkstat 'cache hit (preprocessed)' 9
checkstat 'cache miss' 38
$CCACHE_COMPILE -c test1.i
checkstat 'cache hit (preprocessed)' 10
checkstat 'cache miss' 38
if [ -x /usr/bin/printf ]; then
/usr/bin/printf 'char foo[] = "\xa3";\n' >cp1250.c
if CCACHE_DISABLE=1 $COMPILER -c -finput-charset=cp1250 cp1250.c >/dev/null 2>&1; then
testname="-finput-charset"
$CCACHE_COMPILE -c -finput-charset=cp1250 cp1250.c
checkstat 'cache hit (preprocessed)' 10
checkstat 'cache miss' 39
$CCACHE_COMPILE -c -finput-charset=cp1250 cp1250.c
checkstat 'cache hit (preprocessed)' 11
checkstat 'cache miss' 39
fi
fi
testname="no object file"
cat <<'EOF' >test_no_obj.c
int test_no_obj;
EOF
cat <<'EOF' >prefix-remove.sh
#!/bin/sh
"$@"
[ x$3 = x-o ] && rm $4
EOF
chmod +x prefix-remove.sh
CCACHE_PREFIX=$PWD/prefix-remove.sh $CCACHE_COMPILE -c test_no_obj.c
checkstat 'compiler produced no output' 1
testname="empty object file"
cat <<'EOF' >test_empty_obj.c
int test_empty_obj;
EOF
cat <<'EOF' >prefix-empty.sh
#!/bin/sh
"$@"
[ x$3 = x-o ] && cp /dev/null $4
EOF
chmod +x prefix-empty.sh
CCACHE_PREFIX=$PWD/prefix-empty.sh $CCACHE_COMPILE -c test_empty_obj.c
checkstat 'compiler produced empty output' 1
testname="stderr-files"
num=`find $CCACHE_DIR -name '*.stderr' | wc -l`
if [ $num -ne 0 ]; then
test_failed "$num stderr files found, expected 0"
fi
cat <<EOF >stderr.c
int stderr(void)
{
/* Trigger warning by having no return statement. */
}
EOF
$CCACHE_COMPILE -Wall -W -c stderr.c 2>/dev/null
num=`find $CCACHE_DIR -name '*.stderr' | wc -l`
if [ $num -ne 1 ]; then
test_failed "$num stderr files found, expected 1"
fi
testname="zero-stats"
$CCACHE -z > /dev/null
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 0
testname="clear"
$CCACHE -C > /dev/null
checkstat 'files in cache' 0
rm -f test1.c
}
base_suite() {
CCACHE_COMPILE="$CCACHE $COMPILER"
base_tests
}
link_suite() {
ln -s ../ccache $COMPILER
CCACHE_COMPILE="./$COMPILER"
base_tests
}
hardlink_suite() {
CCACHE_COMPILE="$CCACHE $COMPILER"
CCACHE_HARDLINK=1
export CCACHE_HARDLINK
CCACHE_NOCOMPRESS=1
export CCACHE_NOCOMPRESS
base_tests
unset CCACHE_HARDLINK
unset CCACHE_NOCOMPRESS
}
cpp2_suite() {
CCACHE_COMPILE="$CCACHE $COMPILER"
CCACHE_CPP2=1
export CCACHE_CPP2
base_tests
unset CCACHE_CPP2
}
nlevels4_suite() {
CCACHE_COMPILE="$CCACHE $COMPILER"
CCACHE_NLEVELS=4
export CCACHE_NLEVELS
base_tests
unset CCACHE_NLEVELS
}
nlevels1_suite() {
CCACHE_COMPILE="$CCACHE $COMPILER"
CCACHE_NLEVELS=1
export CCACHE_NLEVELS
base_tests
unset CCACHE_NLEVELS
}
direct_suite() {
unset CCACHE_NODIRECT
##################################################################
# Create some code to compile.
cat <<EOF >test.c
/* test.c */
#include "test1.h"
#include "test2.h"
EOF
cat <<EOF >test1.h
#include "test3.h"
int test1;
EOF
cat <<EOF >test2.h
int test2;
EOF
cat <<EOF >test3.h
int test3;
EOF
backdate test1.h test2.h test3.h
##################################################################
# First compilation is a miss.
testname="first compilation"
$CCACHE -z >/dev/null
$CCACHE $COMPILER -c test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
##################################################################
# Another compilation should now generate a direct hit.
testname="direct hit"
$CCACHE -z >/dev/null
$CCACHE $COMPILER -c test.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 0
##################################################################
# Compiling with CCACHE_NODIRECT set should generate a preprocessed hit.
testname="preprocessed hit"
$CCACHE -z >/dev/null
CCACHE_NODIRECT=1 $CCACHE $COMPILER -c test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 1
checkstat 'cache miss' 0
##################################################################
# Test compilation of a modified include file.
testname="modified include file"
$CCACHE -z >/dev/null
echo "int test3_2;" >>test3.h
backdate test3.h
$CCACHE $COMPILER -c test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
$CCACHE $COMPILER -c test.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
##################################################################
# A removed but previously compiled header file should be handled
# gracefully.
testname="missing header file"
$CCACHE -z >/dev/null
mv test1.h test1.h.saved
mv test3.h test3.h.saved
cat <<EOF >test1.h
/* No more include of test3.h */
int test1;
EOF
backdate test1.h
$CCACHE $COMPILER -c test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
$CCACHE $COMPILER -c test.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
# Restore
mv test1.h.saved test1.h
mv test3.h.saved test3.h
rm -f other.d
##################################################################
# Check calculation of dependency file names.
$CCACHE -z >/dev/null
mkdir test.dir
# Make sure the dependency file is in the cache:
$CCACHE $COMPILER -MD -c test.c
for ext in .obj "" . .foo.bar; do
testname="dependency file calculation from object file 'test$ext'"
dep_file=test.dir/`echo test$ext | sed 's/\.[^.]*\$//'`.d
rm -f $dep_file
$CCACHE $COMPILER -MD -c test.c -o test.dir/test$ext
if [ ! -f $dep_file ]; then
test_failed "$dep_file missing"
fi
done
rm -rf test.dir
##################################################################
# Check that -Wp,-MD,file.d works.
testname="-Wp,-MD"
$CCACHE -z >/dev/null
$CCACHE $COMPILER -c -Wp,-MD,other.d test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
checkfile other.d "test.o: test.c test1.h test3.h test2.h"
rm -f other.d
$CCACHE $COMPILER -c -Wp,-MD,other.d test.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
checkfile other.d "test.o: test.c test1.h test3.h test2.h"
rm -f other.d
##################################################################
# Check that -Wp,-MMD,file.d works.
testname="-Wp,-MMD"
$CCACHE -C >/dev/null
$CCACHE -z >/dev/null
$CCACHE $COMPILER -c -Wp,-MMD,other.d test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
checkfile other.d "test.o: test.c test1.h test3.h test2.h"
rm -f other.d
$CCACHE $COMPILER -c -Wp,-MMD,other.d test.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
checkfile other.d "test.o: test.c test1.h test3.h test2.h"
rm -f other.d
##################################################################
# Check that -Wp,-MD,file.d,-P disables direct mode.
testname="-Wp,-MD,file.d,-P"
$CCACHE -z >/dev/null
$CCACHE $COMPILER -c -Wp,-MD,/dev/null,-P test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
$CCACHE $COMPILER -c -Wp,-MD,/dev/null,-P test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 1
checkstat 'cache miss' 1
##################################################################
# Check that -Wp,-MMD,file.d,-P disables direct mode.
testname="-Wp,-MDD,file.d,-P"
$CCACHE -z >/dev/null
$CCACHE $COMPILER -c -Wp,-MMD,/dev/null,-P test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
$CCACHE $COMPILER -c -Wp,-MMD,/dev/null,-P test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 1
checkstat 'cache miss' 1
##################################################################
# Test some header modifications to get multiple objects in the manifest.
testname="several objects"
$CCACHE -z >/dev/null
for i in 0 1 2 3 4; do
echo "int test1_$i;" >>test1.h
backdate test1.h
$CCACHE $COMPILER -c test.c
$CCACHE $COMPILER -c test.c
done
checkstat 'cache hit (direct)' 5
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 5
##################################################################
# Check that -MD works.
testname="-MD"
$CCACHE -z >/dev/null
$CCACHE $COMPILER -c -MD test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
checkfile test.d "test.o: test.c test1.h test3.h test2.h"
rm -f test.d
$CCACHE $COMPILER -c -MD test.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
checkfile test.d "test.o: test.c test1.h test3.h test2.h"
##################################################################
# Check the scenario of running a ccache with direct mode on a cache
# built up by a ccache without direct mode support.
testname="direct mode on old cache"
$CCACHE -z >/dev/null
$CCACHE -C >/dev/null
CCACHE_NODIRECT=1 $CCACHE $COMPILER -c -MD test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
checkfile test.d "test.o: test.c test1.h test3.h test2.h"
rm -f test.d
CCACHE_NODIRECT=1 $CCACHE $COMPILER -c -MD test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 1
checkstat 'cache miss' 1
checkfile test.d "test.o: test.c test1.h test3.h test2.h"
rm -f test.d
$CCACHE $COMPILER -c -MD test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 2
checkstat 'cache miss' 1
checkfile test.d "test.o: test.c test1.h test3.h test2.h"
rm -f test.d
$CCACHE $COMPILER -c -MD test.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 2
checkstat 'cache miss' 1
checkfile test.d "test.o: test.c test1.h test3.h test2.h"
##################################################################
# Check that -MF works.
testname="-MF"
$CCACHE -C >/dev/null
$CCACHE -z >/dev/null
$CCACHE $COMPILER -c -MD -MF other.d test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
checkfile other.d "test.o: test.c test1.h test3.h test2.h"
rm -f other.d
$CCACHE $COMPILER -c -MD -MF other.d test.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
checkfile other.d "test.o: test.c test1.h test3.h test2.h"
##################################################################
# Check that a missing .d file in the cache is handled correctly.
testname="missing dependency file"
$CCACHE -z >/dev/null
$CCACHE -C >/dev/null
$CCACHE $COMPILER -c -MD test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
checkfile other.d "test.o: test.c test1.h test3.h test2.h"
$CCACHE $COMPILER -c -MD test.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
checkfile other.d "test.o: test.c test1.h test3.h test2.h"
find $CCACHE_DIR -name '*.d' -exec rm -f '{}' \;
$CCACHE $COMPILER -c -MD test.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 1
checkstat 'cache miss' 1
checkfile other.d "test.o: test.c test1.h test3.h test2.h"
##################################################################
# Check that stderr from both the preprocessor and the compiler is emitted
# in direct mode too.
testname="cpp stderr"
$CCACHE -z >/dev/null
$CCACHE -C >/dev/null
cat <<EOF >cpp-warning.c
#if FOO
/* Trigger preprocessor warning about extra token after #endif. */
#endif FOO
int stderr(void)
{
/* Trigger compiler warning by having no return statement. */
}
EOF
$CCACHE $COMPILER -Wall -W -c cpp-warning.c 2>stderr-orig.txt
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
CCACHE_NODIRECT=1 $CCACHE $COMPILER -Wall -W -c cpp-warning.c 2>stderr-cpp.txt
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 1
checkstat 'cache miss' 1
checkfile stderr-cpp.txt "`cat stderr-orig.txt`"
$CCACHE $COMPILER -Wall -W -c cpp-warning.c 2>stderr-mf.txt
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 1
checkstat 'cache miss' 1
checkfile stderr-mf.txt "`cat stderr-orig.txt`"
##################################################################
# Check that changes in comments are ignored when hashing.
testname="changes in comments"
$CCACHE -C >/dev/null
$CCACHE -z >/dev/null
cat <<EOF >comments.h
/*
* /* foo comment
*/
EOF
backdate comments.h
cat <<'EOF' >comments.c
#include "comments.h"
char test[] = "\
/* apple */ // banana"; // foo comment
EOF
$CCACHE $COMPILER -c comments.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
sed_in_place 's/foo/ignored/' comments.h comments.c
backdate comments.h
$CCACHE $COMPILER -c comments.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
# Check that comment-like string contents are hashed.
sed_in_place 's/apple/orange/' comments.c
backdate comments.h
$CCACHE $COMPILER -c comments.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 2
##################################################################
# Check that it's possible to compile and cache an empty source code file.
testname="empty source file"
$CCACHE -Cz >/dev/null
cp /dev/null empty.c
$CCACHE $COMPILER -c empty.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
$CCACHE $COMPILER -c empty.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
##################################################################
# Check that direct mode correctly detects file name/path changes.
testname="__FILE__ in source file"
$CCACHE -Cz >/dev/null
cat <<EOF >file.c
#define file __FILE__
int test;
EOF
$CCACHE $COMPILER -c file.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
$CCACHE $COMPILER -c file.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
$CCACHE $COMPILER -c $PWD/file.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 2
testname="__FILE__ in include file"
$CCACHE -Cz >/dev/null
cat <<EOF >file.h
#define file __FILE__
int test;
EOF
backdate file.h
cat <<EOF >file_h.c
#include "file.h"
EOF
$CCACHE $COMPILER -c file_h.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
$CCACHE $COMPILER -c file_h.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
mv file_h.c file2_h.c
$CCACHE $COMPILER -c $PWD/file2_h.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 2
##################################################################
# Check that we never get direct hits when __TIME__ is used.
testname="__TIME__ in source file"
$CCACHE -Cz >/dev/null
cat <<EOF >time.c
#define time __TIME__
int test;
EOF
$CCACHE $COMPILER -c time.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
$CCACHE $COMPILER -c time.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 1
checkstat 'cache miss' 1
testname="__TIME__ in include time"
$CCACHE -Cz >/dev/null
cat <<EOF >time.h
#define time __TIME__
int test;
EOF
backdate time.h
cat <<EOF >time_h.c
#include "time.h"
EOF
$CCACHE $COMPILER -c time_h.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
$CCACHE $COMPILER -c time_h.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 1
checkstat 'cache miss' 1
##################################################################
# Reset things.
CCACHE_NODIRECT=1
export CCACHE_NODIRECT
$CCACHE -C >/dev/null
}
basedir_suite() {
##################################################################
# Create some code to compile.
mkdir -p dir1/src dir1/include
cat <<EOF >dir1/src/test.c
#include <test.h>
EOF
cat <<EOF >dir1/include/test.h
int test;
EOF
cp -r dir1 dir2
backdate dir1/include/test.h dir2/include/test.h
cat <<EOF >stderr.h
int stderr(void)
{
/* Trigger warning by having no return statement. */
}
EOF
cat <<EOF >stderr.c
#include <stderr.h>
EOF
backdate stderr.h
##################################################################
# CCACHE_BASEDIR="" and using absolute include path will result in a cache
# miss.
testname="empty CCACHE_BASEDIR"
$CCACHE -z >/dev/null
cd dir1
CCACHE_BASEDIR="" $CCACHE $COMPILER -I$PWD/include -c src/test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
cd ..
cd dir2
CCACHE_BASEDIR="" $CCACHE $COMPILER -I$PWD/include -c src/test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 2
cd ..
##################################################################
# Setting CCACHE_BASEDIR will result in a cache hit because include paths
# in the preprocessed output are rewritten.
testname="set CCACHE_BASEDIR"
$CCACHE -z >/dev/null
$CCACHE -C >/dev/null
cd dir1
CCACHE_BASEDIR="$PWD" $CCACHE $COMPILER -I$PWD/include -c src/test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
cd ..
cd dir2
CCACHE_BASEDIR="$PWD" $CCACHE $COMPILER -I$PWD/include -c src/test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 1
checkstat 'cache miss' 1
cd ..
##################################################################
# Setting CCACHE_BASEDIR will result in a cache hit because -I arguments
# are rewritten, as are the paths stored in the manifest.
testname="set CCACHE_BASEDIR, direct lookup"
$CCACHE -z >/dev/null
$CCACHE -C >/dev/null
unset CCACHE_NODIRECT
cd dir1
CCACHE_BASEDIR="$PWD" $CCACHE $COMPILER -I$PWD/include -c src/test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
cd ..
cd dir2
CCACHE_BASEDIR="$PWD" $CCACHE $COMPILER -I$PWD/include -c src/test.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
cd ..
##################################################################
# CCACHE_BASEDIR="" is the default.
testname="default CCACHE_BASEDIR"
cd dir1
$CCACHE -z >/dev/null
$CCACHE $COMPILER -I$PWD/include -c src/test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
cd ..
##################################################################
# Rewriting triggered by CCACHE_BASEDIR should handle paths with multiple
# slashes correctly.
testname="path normalization"
cd dir1
$CCACHE -z >/dev/null
CCACHE_BASEDIR=$PWD $CCACHE $COMPILER -I$PWD//include -c $PWD//src/test.c
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 0
cd ..
##################################################################
# Check that rewriting triggered by CCACHE_BASEDIR also affects stderr.
testname="stderr"
$CCACHE -z >/dev/null
CCACHE_BASEDIR=$PWD $CCACHE $COMPILER -Wall -W -I$PWD -c $PWD/stderr.c -o $PWD/stderr.o 2>stderr.txt
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
if grep -q $PWD stderr.txt; then
test_failed "Base dir ($PWD) found in stderr:\n`cat stderr.txt`"
fi
CCACHE_BASEDIR=$PWD $CCACHE $COMPILER -Wall -W -I$PWD -c $PWD/stderr.c -o $PWD/stderr.o 2>stderr.txt
checkstat 'cache hit (direct)' 1
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
if grep -q $PWD stderr.txt; then
test_failed "Base dir ($PWD) found in stderr:\n`cat stderr.txt`"
fi
export CCACHE_NODIRECT=1
}
compression_suite() {
##################################################################
# Create some code to compile.
cat <<EOF >test.c
int test;
EOF
##################################################################
# Check that compressed and uncompressed files get the same hash sum.
testname="compression hash sum"
$CCACHE $COMPILER -c test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
$CCACHE $COMPILER -c test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 1
checkstat 'cache miss' 1
CCACHE_NOCOMPRESS=1 $CCACHE $COMPILER -c test.c
checkstat 'cache hit (direct)' 0
checkstat 'cache hit (preprocessed)' 2
checkstat 'cache miss' 1
}
readonly_suite() {
##################################################################
# Create some code to compile.
echo "int test;" >test.c
echo "int test2;" >test2.c
# Cache a compilation.
$CCACHE $COMPILER -c test.c -o test.o
checkstat 'cache hit (preprocessed)' 0
checkstat 'cache miss' 1
# Make the cache readonly
# Check that readonly mode finds the result.
testname="cache hit"
rm -f test.o
chmod -R a-w $CCACHE_DIR
CCACHE_READONLY=1 CCACHE_TEMPDIR=/tmp CCACHE_PREFIX=false $CCACHE $COMPILER -c test.c -o test.o
status=$?
chmod -R a+w $CCACHE_DIR
if [ $status -ne 0 ]; then
test_failed "failure when compiling test.c readonly"
fi
if [ ! -f test.o ]; then
test_failed "test.o missing"
fi
# Check that readonly mode doesn't try to store new results.
testname="cache miss"
files_before=`find $CCACHE_DIR -type f | wc -l`
CCACHE_READONLY=1 CCACHE_TEMPDIR=/tmp $CCACHE $COMPILER -c test2.c -o test2.o
if [ $? -ne 0 ]; then
test_failed "failure when compiling test2.c readonly"
fi
if [ ! -f test2.o ]; then
test_failed "test2.o missing"
fi
files_after=`find $CCACHE_DIR -type f | wc -l`
if [ $files_before -ne $files_after ]; then
test_failed "readonly mode stored files in the cache"
fi
# Check that readonly mode and direct mode works.
unset CCACHE_NODIRECT
files_before=`find $CCACHE_DIR -type f | wc -l`
CCACHE_READONLY=1 CCACHE_TEMPDIR=/tmp $CCACHE $COMPILER -c test.c -o test.o
export CCACHE_NODIRECT=1
if [ $? -ne 0 ]; then
test_failed "failure when compiling test2.c readonly"
fi
files_after=`find $CCACHE_DIR -type f | wc -l`
if [ $files_before -ne $files_after ]; then
test_failed "readonly mode + direct mode stored files in the cache"
fi
##################################################################
}
######################################################################
# main program
suites="$*"
rm -rf $TESTDIR
mkdir $TESTDIR
cd $TESTDIR || exit 1
CCACHE_DIR=$PWD/.ccache
export CCACHE_DIR
CCACHE_LOGFILE=$PWD/ccache.log
export CCACHE_LOGFILE
CCACHE_NODIRECT=1
export CCACHE_NODIRECT
# ---------------------------------------
all_suites="
base
link
hardlink
cpp2
nlevels4
nlevels1
direct
basedir
compression
readonly
"
if [ -z "$suites" ]; then
suites="$all_suites"
fi
for suite in $suites; do
run_suite $suite
done
# ---------------------------------------
cd ..
rm -rf $TESTDIR
echo test done - OK
exit 0
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