third_party/ijar/test/ZipCount.java

// 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.

package test;

import java.io.IOException;
import java.util.zip.ZipFile;

/**
 * Checks the number of entries in a zip file.
 *
 * <p>usage: ZipCount <zip file> <expected entries>
 */
public class ZipCount {
  public static void main(String[] args) throws IOException {
    int expect = Integer.parseInt(args[1]);
    int count;
    try (ZipFile zf = new ZipFile(args[0])) {
      count = zf.size();
    }
    if (count != expect) {
      throw new AssertionError(String.format("expected %d entries, saw %d", expect, count));
    }
  }
}