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path: root/src/tools/singlejar/zip64_test.sh
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#!/bin/bash
#
# Copyright 2015 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -euo pipefail
# --- begin runfiles.bash initialization ---
if [[ ! -d "${RUNFILES_DIR:-/dev/null}" && ! -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
    if [[ -f "$0.runfiles_manifest" ]]; then
      export RUNFILES_MANIFEST_FILE="$0.runfiles_manifest"
    elif [[ -f "$0.runfiles/MANIFEST" ]]; then
      export RUNFILES_MANIFEST_FILE="$0.runfiles/MANIFEST"
    elif [[ -f "$0.runfiles/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
      export RUNFILES_DIR="$0.runfiles"
    fi
fi
if [[ -f "${RUNFILES_DIR:-/dev/null}/bazel_tools/tools/bash/runfiles/runfiles.bash" ]]; then
  source "${RUNFILES_DIR}/bazel_tools/tools/bash/runfiles/runfiles.bash"
elif [[ -f "${RUNFILES_MANIFEST_FILE:-/dev/null}" ]]; then
  source "$(grep -m1 "^bazel_tools/tools/bash/runfiles/runfiles.bash " \
            "$RUNFILES_MANIFEST_FILE" | cut -d ' ' -f 2-)"
else
  echo >&2 "ERROR: cannot find @bazel_tools//tools/bash/runfiles:runfiles.bash"
  exit 1
fi
# --- end runfiles.bash initialization ---

# Load test environment
source "$(rlocation "io_bazel/src/test/shell/unittest.bash")" \
  || { echo "unittest.bash not found!" >&2; exit 1; }

IS_WINDOWS=false
case "$(uname | tr [:upper:] [:lower:])" in
msys*|mingw*|cygwin*)
  IS_WINDOWS=true
esac

if "$IS_WINDOWS"; then
  EXE_EXT=".exe"
else
  EXE_EXT=""
fi

singlejar="$(rlocation "io_bazel/src/tools/singlejar/singlejar${EXE_EXT}")"
jartool="$(rlocation "local_jdk/bin/jar${EXE_EXT}")"

# Test that an archive with >64K entries can be created.
function test_65Kentries() {
  local -r top="$TEST_TMPDIR/65Kentries"
  date
  mkdir -p "$top"
  dd if=/dev/zero of="$top/file" bs=256 count=1
  for dir in {1..256}; do
    # Create 256 tiny files in $dirpath
    local dirpath="$top/dir$dir"
    mkdir -p "$dirpath"
    split -b 1 "$top/file" "$dirpath/x."
  done
  # Now we have 256 directories with 256 files in each. Zipping them together
  # yields an archive with >64K entries.
  local -r inzip="$TEST_TMPDIR/in65K.zip"
  local -r outzip="$TEST_TMPDIR/out65K.zip"
  rm -f "$inzip" "$outzip"
  "$jartool" -cf "$inzip" "$top"

  "$singlejar" --output "$outzip" --sources "$inzip"
  # Verify jar can read it.
  local -ir n_entries=$("$jartool" -tf "$outzip" | wc -l)
  ((${n_entries:-0} > 65536)) || \
    { echo Expected 65536 entries, got "$n_entries" >&2; exit 1; }
}

run_suite "singlejar Zip64 handling"