gcc/libgo/testsuite/gotest
Ian Lance Taylor ffa98da470 runtime: introduce build targets for running benchmarks
This introduces the "bench" build target, which can be used to run
all benchmarks.

It is also possible to run subsets of benchmarks with the
"package/check" build targets by setting GOBENCH to a matching regex.

From-SVN: r212212
2014-07-01 23:19:24 +00:00

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#!/bin/sh
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# Using all the *_test.go files in the current directory, write out a file
# _testmain.go that runs all its tests. Compile everything and run the
# tests.
# If files are named on the command line, use them instead of *_test.go.
# Makes egrep,grep work better in general if we put them
# in ordinary C mode instead of what the current language is.
unset LANG
export LC_ALL=C
export LC_CTYPE=C
GC=${GC:-gccgo}
GL=${GL:-${GC-gccgo}}
GOLIBS=${GOLIBS:-}
export GC GL GOLIBS
NM=${NM:-nm}
# srcdir is where the source files are found. basedir is where the
# source file paths are relative to.
# gofiles are the test files. pkgfiles are the source files.
srcdir=.
basedir=.
gofiles=""
pkgfiles=""
loop=true
keep=false
pkgpath=
prefix=
dejagnu=no
GOARCH=""
timeout=240
testname=""
bench=""
trace=false
while $loop; do
case "x$1" in
x--srcdir)
srcdir=$2
shift
shift
;;
x--srcdir=*)
srcdir=`echo $1 | sed -e 's/^--srcdir=//'`
shift
;;
x--basedir)
basedir=$2
shift
shift
;;
x--basedir=*)
basedir=`echo $1 | sed -e 's/^--basedir=//'`
shift
;;
x--pkgpath)
pkgpath=$2
shift
shift
;;
x--pkgpath=*)
pkgpath=`echo $1 | sed -e 's/^--pkgpath=//'`
shift
;;
x--prefix)
prefix=$2
shift
shift
;;
x--prefix=*)
prefix=`echo $1 | sed -e 's/^--prefix=//'`
shift
;;
x--keep)
keep=true
shift
;;
x--pkgfiles)
pkgfiles=$2
shift
shift
;;
x--pkgfiles=*)
pkgfiles=`echo $1 | sed -e 's/^--pkgfiles=//'`
shift
;;
x--dejagnu)
dejagnu=$2
shift
shift
;;
x--dejagnu=*)
dejagnu=`echo $1 | sed -e 's/^--dejagnu=//'`
shift
;;
x--goarch)
GOARCH=$2
shift
shift
;;
x--goarch=*)
GOARCH=`echo $1 | sed -e 's/^--goarch=//'`
shift
;;
x--timeout)
timeout=$2
shift
shift
;;
x--timeout=*)
timeout=`echo $1 | sed -e 's/^--timeout=//'`
shift
;;
x--testname)
testname=$2
shift
shift
;;
x--testname=*)
testname=`echo $1 | sed -e 's/^--testname=//'`
shift
;;
x--bench)
bench=$2
shift
shift
;;
x--bench=*)
bench=`echo $1 | sed -e 's/^--bench=//'`
shift
;;
x--trace)
trace=true
shift
;;
x-*)
loop=false
;;
x)
loop=false
;;
*)
gofiles="$gofiles $1"
shift
;;
esac
done
DIR=gotest$$
rm -rf $DIR
mkdir $DIR
cd $DIR
mkdir test
cd test
if test $keep = false; then
trap "cd ../..; rm -rf $DIR" 0 1 2 3 14 15
else
trap "cd ../..; echo Keeping $DIR" 0 1 2 3 14 15
fi
case "$srcdir" in
/*)
;;
*)
srcdir="../../$srcdir"
;;
esac
SRCDIR=$srcdir
export SRCDIR
case "$basedir" in
/*)
;;
*)
basedir="../../$basedir"
;;
esac
# Link all the files/directories in srcdir into our working directory,
# so that the tests do not have to refer to srcdir to find test data.
ln -s $srcdir/* .
# Some tests refer to a ../testdata directory.
if test -e $srcdir/../testdata; then
rm -f ../testdata
abssrcdir=`cd $srcdir && pwd`
ln -s $abssrcdir/../testdata ../testdata
fi
# Copy the .go files because io/utils_test.go expects a regular file.
case "x$gofiles" in
x)
case "x$pkgfiles" in
x)
for f in `cd $srcdir; ls *.go`; do
rm -f $f;
cp $srcdir/$f .
done
;;
*)
for f in $pkgfiles; do
if test -f $basedir/$f; then
b=`basename $f`
rm -f $b
cp $basedir/$f $b
elif test -f ../../$f; then
b=`basename $f`
rm -f $b
cp ../../$f $b
else
echo "file $f not found" 1>&2
exit 1
fi
done
for f in `cd $srcdir; ls *_test.go`; do
rm -f $f
cp $srcdir/$f .
done
;;
esac
;;
*)
for f in $gofiles; do
b=`basename $f`
rm -f $b
cp $basedir/$f $b
done
case "x$pkgfiles" in
x)
for f in `cd $srcdir; ls *.go | grep -v *_test.go`; do
rm -f $f
cp $srcdir/$f .
done
;;
*)
for f in $pkgfiles; do
if test -f $basedir/$f; then
b=`basename $f`
rm -f $b
cp $basedir/$f $b
elif test -f ../../$f; then
b=`basename $f`
rm -f $b
cp ../../$f $b
else
echo "file $f not found" 1>&2
exit 1
fi
done
;;
esac
;;
esac
# Some tests expect the _obj directory created by the gc Makefiles.
mkdir _obj
# Some tests expect the _test directory created by the gc Makefiles.
mkdir _test
case "x$gofiles" in
x)
gofiles=`ls *_test.go 2>/dev/null`
;;
*)
xgofiles=$gofiles
gofiles=
for f in $xgofiles; do
gofiles="$gofiles `basename $f`"
done
esac
case "x$gofiles" in
x)
echo 'no test files found' 1>&2
exit 1
;;
esac
# Run any commands given in sources, like
# // gotest: $GC foo.go
# to build any test-only dependencies.
holdGC="$GC"
GC="$GC -g -c -I ."
sed -n 's/^\/\/ gotest: //p' $gofiles | sh
GC="$holdGC"
case "x$pkgfiles" in
x)
pkgbasefiles=`ls *.go | grep -v _test.go 2>/dev/null`
;;
*)
for f in $pkgfiles; do
pkgbasefiles="$pkgbasefiles `basename $f`"
done
;;
esac
case "x$pkgfiles" in
x)
echo 'no source files found' 1>&2
exit 1
;;
esac
# Split $gofiles into external gofiles (those in *_test packages)
# and internal ones (those in the main package).
xgofiles=
for f in $gofiles; do
package=`grep '^package[ ]' $f | sed 1q`
case "$package" in
*_test)
xgofiles="$xgofiles $f"
;;
*)
ngofiles="$ngofiles $f"
;;
esac
done
gofiles=$ngofiles
# External $O file
xofile=""
havex=false
if [ "x$xgofiles" != "x" ]; then
xofile="_xtest_.o"
havex=true
fi
set -e
package=`echo ${srcdir} | sed -e 's|^.*libgo/go/||'`
pkgpatharg=
xpkgpatharg=
prefixarg=
if test -n "$pkgpath"; then
pkgpatharg="-fgo-pkgpath=$pkgpath"
xpkgpatharg="-fgo-pkgpath=${pkgpath}_test"
elif test -n "$prefix"; then
prefixarg="-fgo-prefix=$prefix"
fi
if test "$trace" = "true"; then
echo $GC -g $pkgpatharg $prefixarg -c -I . -fno-toplevel-reorder -o _gotest_.o $gofiles $pkgbasefiles
fi
$GC -g $pkgpatharg $prefixarg -c -I . -fno-toplevel-reorder -o _gotest_.o $gofiles $pkgbasefiles
if $havex; then
mkdir -p `dirname $package`
cp _gotest_.o `dirname $package`/lib`basename $package`.a
if test "$trace" = "true"; then
echo $GC -g $xpkgpatharg -c -I . -fno-toplevel-reorder -o $xofile $xgofiles
fi
$GC -g $xpkgpatharg -c -I . -fno-toplevel-reorder -o $xofile $xgofiles
fi
# They all compile; now generate the code to call them.
testname() {
# Remove the package from the name used with the -test option.
echo $1 | sed 's/^.*\.//'
}
localname() {
# The package main has been renamed to __main__ when imported.
# Adjust its uses.
echo $1 | sed 's/^main\./__main__./'
}
{
text="T"
case "$GOARCH" in
ppc64) text="[TD]" ;;
esac
symtogo='sed -e s/_test/XXXtest/ -e s/.*_\([^_]*\.\)/\1/ -e s/XXXtest/_test/'
# test functions are named TestFoo
# the grep -v eliminates methods and other special names
# that have multiple dots.
pattern='Test([^a-z].*)?'
# The -p option tells GNU nm not to sort.
# The -v option tells Solaris nm to sort by value.
tests=$($NM -p -v _gotest_.o $xofile | egrep " $text .*\."$pattern'$' | grep -v '\..*\..*\.' | fgrep -v '$' | fgrep -v ' __go_' | sed 's/.* //' | $symtogo)
if [ "x$tests" = x ]; then
echo 'gotest: warning: no tests matching '$pattern in _gotest_.o $xofile 1>&2
exit 2
fi
# benchmarks are named BenchmarkFoo.
pattern='Benchmark([^a-z].*)?'
benchmarks=$($NM -p -v _gotest_.o $xofile | egrep " $text .*\."$pattern'$' | grep -v '\..*\..*\.' | fgrep -v '$' | fgrep -v ' __go_' | sed 's/.* //' | $symtogo)
# examples are named ExampleFoo
pattern='Example([^a-z].*)?'
examples=$($NM -p -v _gotest_.o $xofile | egrep " $text .*\."$pattern'$' | grep -v '\..*\..*\.' | fgrep -v '$' | fgrep -v ' __go_' | sed 's/.* //' | $symtogo)
# package spec
echo 'package main'
echo
# imports
if echo "$tests" | egrep -v '_test\.' >/dev/null; then
echo 'import "./_gotest_"'
fi
if $havex; then
echo 'import "./_xtest_"'
fi
echo 'import "testing"'
echo 'import __regexp__ "regexp"' # rename in case tested package is called regexp
# test array
echo
echo 'var tests = []testing.InternalTest {'
for i in $tests
do
n=$(testname $i)
j=$(localname $i)
echo ' {"'$n'", '$j'},'
done
echo '}'
# benchmark array
# The comment makes the multiline declaration
# gofmt-safe even when there are no benchmarks.
echo 'var benchmarks = []testing.InternalBenchmark{ //'
for i in $benchmarks
do
n=$(testname $i)
j=$(localname $i)
echo ' {"'$n'", '$j'},'
done
echo '}'
# examples array
echo 'var examples = []testing.InternalExample{ //'
# This doesn't work because we don't pick up the output.
#for i in $examples
#do
# n=$(testname $i)
# j=$(localname $i)
# echo ' {"'$n'", '$j', ""},'
#done
echo '}'
# body
echo \
'
var matchPat string
var matchRe *__regexp__.Regexp
func matchString(pat, str string) (result bool, err error) {
if matchRe == nil || matchPat != pat {
matchPat = pat
matchRe, err = __regexp__.Compile(matchPat)
if err != nil {
return
}
}
return matchRe.MatchString(str), nil
}
func main() {
testing.Main(matchString, tests, benchmarks, examples)
}'
}>_testmain.go
case "x$dejagnu" in
xno)
if test "$trace" = "true"; then
echo ${GC} -g -c _testmain.go
fi
${GC} -g -c _testmain.go
if test "$trace" = "true"; then
echo ${GL} *.o ${GOLIBS}
fi
${GL} *.o ${GOLIBS}
if test "$bench" = ""; then
if test "$trace" = "true"; then
echo ./a.out -test.short -test.timeout=${timeout}s "$@"
fi
./a.out -test.short -test.timeout=${timeout}s "$@" &
pid=$!
(sleep `expr $timeout + 10`
echo > gotest-timeout
echo "timed out in gotest" 1>&2
kill -9 $pid) &
alarmpid=$!
wait $pid
status=$?
if ! test -f gotest-timeout; then
kill $alarmpid
fi
else
if test "$trace" = "true"; then
echo ./a.out -test.run=^\$ -test.bench="${bench}" "$@"
fi
./a.out -test.run=^\$ -test.bench="${bench}" "$@"
status=$?
fi
exit $status
;;
xyes)
rm -rf ../../testsuite/*.o
files=`echo *`
for f in $files; do
if test "$f" = "_obj" || test "$f" = "_test"; then
continue
fi
rm -rf ../../testsuite/$f
if test -f $f; then
cp $f ../../testsuite/
else
ln -s ../$DIR/test/$f ../../testsuite/
fi
done
cd ../../testsuite
rm -rf _obj _test
mkdir _obj _test
if test "$testname" != ""; then
GOTESTNAME="$testname"
export GOTESTNAME
fi
$MAKE check RUNTESTFLAGS="$RUNTESTFLAGS GOTEST_TMPDIR=$DIR/test"
# Useful when using make check-target-libgo
cat libgo.log >> libgo-all.log
cat libgo.sum >> libgo-all.sum
rm -rf $files
;;
esac