1 files changed, 144 insertions, 0 deletions
diff --git a/js/src/tests/update-test262.sh b/js/src/tests/update-test262.sh
new file mode 100755
index 000000000..01005845f
--- /dev/null
+++ b/js/src/tests/update-test262.sh
@@ -0,0 +1,144 @@
+#!/bin/sh
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+# Abort when an error occurs.
+set -e
+
+# Updates the jstests copy of the test cases of Test262, the conformance test
+# suite for ECMA-262 and ECMA-402, ECMAScript and its Internationalization API.
+
+function usage()
+{
+  echo "Usage: update-test262.sh <URL of test262 hg> [clone | copy]"
+  echo ""
+  echo "The URL will most commonly be http://hg.ecmascript.org/tests/test262/ "
+  echo "but may also be a local clone.  Don't use a local clone when generating"
+  echo "the final import patch"\!"  test262/HG-INFO will record the wrong URL"
+  echo "if you do so.  Local cloning is only useful when editing this script to"
+  echo "import a larger test262 subset."
+  echo ""
+  echo "If a local clone is specified, the optional clone/copy argument will"
+  echo "either clone into a temporary directory, or directly copy from the"
+  echo "clone's checkout.  'clone' semantics are the default."
+  exit 1
+}
+
+if [ $# -lt 1 ]; then
+  usage
+elif [ $# -eq 1 -o "$2" == "clone" ]; then
+  # Beware!  'copy' support requires that the clone performed here *never* be
+  # altered.  If it were altered, those changes wouldn't appear in the final
+  # set of changes as determined by the 'copy' path below.
+
+  # Mercurial doesn't have a way to download just a part of a repository, or to
+  # just get the working copy - we have to clone the entire thing. We use a
+  # temporary test262 directory for that.
+  unique_dir=`mktemp -d /tmp/test262.XXXX` || exit 1
+  tmp_dir=${unique_dir}/test262
+
+  # Remove the temporary test262 directory on exit.
+  function cleanupTempFiles()
+  {
+    rm -rf ${unique_dir}
+  }
+  trap cleanupTempFiles EXIT
+
+  echo "Feel free to get some coffee - this could take a few minutes..."
+  hg clone $1 ${tmp_dir}
+elif [ "$2" == "copy" ]; then
+  echo "Copying directly from $1; be sure this repository is updated to tip"\!
+  tmp_dir="$1"
+else
+  usage
+fi
+
+# Now to the actual test262 directory.
+js_src_tests_dir=`dirname $0`
+test262_dir=${js_src_tests_dir}/test262
+rm -rf ${test262_dir}
+mkdir ${test262_dir}
+
+# Copy over the test262 license.
+cp ${tmp_dir}/LICENSE ${test262_dir}
+
+# The test262 tests are in test/suite.  The "bestPractice" tests cover non-
+# standard extensions, or are not strictly required by specs, so we don't
+# include them.  The remaining tests are currently in "intl402" or "chNN"
+# directories (where NN is an ECMA-262 chapter number).  This may change at
+# some point, as there is some dissatisfaction on test262-discuss with using
+# impermanent section numbering (across ES5, ES6, etc.) to identify what's
+# tested.
+#
+# The large quantity of tests at issue here, and the variety of things being
+# tested, motivate importing portions of test262 incrementally.  So rather than
+# doing this:
+#
+#   cp -r ${tmp_dir}/test/suite/ch* ${test262_dir}
+#
+# ...we instead individually import folders whose tests we pass.  (Well, mostly
+# pass -- see the comment at the end of this script.)
+cp -r ${tmp_dir}/test/suite/ch06 ${test262_dir}/ch06
+cp -r ${tmp_dir}/test/suite/ch07 ${test262_dir}/ch07
+cp -r ${tmp_dir}/test/suite/ch08 ${test262_dir}/ch08
+cp -r ${tmp_dir}/test/suite/ch09 ${test262_dir}/ch09
+cp -r ${tmp_dir}/test/suite/ch10 ${test262_dir}/ch10
+cp -r ${tmp_dir}/test/suite/ch11 ${test262_dir}/ch11
+cp -r ${tmp_dir}/test/suite/ch12 ${test262_dir}/ch12
+cp -r ${tmp_dir}/test/suite/ch13 ${test262_dir}/ch13
+cp -r ${tmp_dir}/test/suite/ch14 ${test262_dir}/ch14
+
+# The test402 tests are in test/suite/intl402/.  For now there are no
+# "bestPractice" tests to omit.  The remaining tests are in chNN directories,
+# NN referring to chapters of ECMA-402.
+#
+# All intl402 tests are runnable, and only a few currently fail, so we import
+# them wildcard-style.
+mkdir ${test262_dir}/intl402
+cp -r ${tmp_dir}/test/suite/intl402/ch* ${test262_dir}/intl402
+
+# Copy over harness supporting files needed by the test402 tests.
+cp ${tmp_dir}/test/harness/sta.js ${js_src_tests_dir}/supporting/
+cp ${tmp_dir}/test/harness/testBuiltInObject.js ${js_src_tests_dir}/supporting/
+cp ${tmp_dir}/test/harness/testIntl.js ${js_src_tests_dir}/supporting/
+
+# Create empty browser.js and shell.js in all test directories to keep
+# jstests happy.
+for dir in `find ${test262_dir} ${test262_dir}/ch* ${test262_dir}/intl402/ch* -type d -print` ; do
+  touch $dir/browser.js
+  touch $dir/shell.js
+done
+
+# Construct the test262 tests' jstests adapter files.
+cp ${js_src_tests_dir}/supporting/test262-browser.js ${test262_dir}/browser.js
+cat ${js_src_tests_dir}/supporting/sta.js ${js_src_tests_dir}/supporting/test262-shell.js > ${test262_dir}/shell.js
+
+# Restore the Intl tests' jstests adapter files. Loading include files into the
+# browser from a script so that they become synchronously available to that same
+# script is basically impossible. Instead, just concatenate all the scripts
+# together into one script loaded before the test executes.
+cat ${js_src_tests_dir}/supporting/test402-browser.js \
+    ${js_src_tests_dir}/supporting/testBuiltInObject.js \
+    ${js_src_tests_dir}/supporting/testIntl.js > ${test262_dir}/intl402/browser.js
+cp ${js_src_tests_dir}/supporting/test402-shell.js ${test262_dir}/intl402/shell.js
+
+# Keep a record of what we imported.
+echo "URL:         $1" > ${test262_dir}/HG-INFO
+hg -R ${tmp_dir} log -r. >> ${test262_dir}/HG-INFO
+
+# Update for the patch.
+hg addremove ${js_src_tests_dir}/supporting
+hg addremove ${test262_dir}
+
+# Apply a very narrow set of post-fixes to tests that haven't yet been updated
+# for spec changes, or where we're experimenting with semantics that disagree
+# with those in test262.  See below: this isn't every test we don't pass!
+patch -d "${js_src_tests_dir}" -p4 < ./function-arguments-caller-changes.diff
+patch -d "${js_src_tests_dir}" -p4 < ./dupl-prop-changes.diff
+
+# The alert reader may now be wondering: what about test262 tests that we don't
+# pass?  (And what about any test262 tests whose format we don't yet support?)
+# We explicitly disable all such tests in js/src/tests/jstests.list one by one.
+# This has the moderate benefit that if a bug is fixed, only that one file must
+# be updated, and we don't have to rerun this script.