// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import "dart:async";
import "dart:io";
import "dart:typed_data";

import "package:async_helper/async_helper.dart";
import "package:expect/expect.dart";


void testClientRequest(Future handler(request)) {
  HttpServer.bind("127.0.0.1", 0).then((server) {
    server.listen((request) {
      request.drain()
          .then((_) => request.response.close())
          .catchError((_) {});
    });

    var client = new HttpClient();
    client.get("127.0.0.1", server.port, "/")
      .then((request) {
        return handler(request);
      })
      .then((response) => response.drain())
      .catchError((_) {})
      .whenComplete(() {
        client.close();
        server.close();
      });
  });
}


void testResponseDone() {
  testClientRequest((request) {
    request.close().then((res1) {
      request.done.then((res2) {
        Expect.equals(res1, res2);
      });
    });
    return request.done;
  });
}


void testBadResponseAdd() {
  asyncStart();
  testClientRequest((request) {
    request.contentLength = 0;
    request.add([0]);
    request.close();
    request.done.catchError((error) {
      asyncEnd();
    }, test: (e) => e is HttpException);
    return request.done;
  });

  asyncStart();
  testClientRequest((request) {
    request.contentLength = 5;
    request.add([0, 0, 0]);
    request.add([0, 0, 0]);
    request.close();
    request.done.catchError((error) {
      asyncEnd();
    }, test: (e) => e is HttpException);
    return request.done;
  });

  asyncStart();
  testClientRequest((request) {
    request.contentLength = 0;
    request.add(new Uint8List(64 * 1024));
    request.add(new Uint8List(64 * 1024));
    request.add(new Uint8List(64 * 1024));
    request.close();
    request.done.catchError((error) {
      asyncEnd();
    }, test: (e) => e is HttpException);
    return request.done;
  });
}


void testBadResponseClose() {
  asyncStart();
  testClientRequest((request) {
    request.contentLength = 5;
    request.close();
    request.done.catchError((error) {
      asyncEnd();
    }, test: (e) => e is HttpException);
    return request.done;
  });

  asyncStart();
  testClientRequest((request) {
    request.contentLength = 5;
    request.add([0]);
    request.close();
    request.done.catchError((error) {
      asyncEnd();
    }, test: (e) => e is HttpException);
    return request.done;
  });
}


void testBadHeaders() {
  asyncStart();
  testClientRequest((request) {
    var value = "a";
    for (int i = 0; i < 8 * 1024; i++) {
      value += 'a';
    }
    request.headers.set('name', value);
    request.done.catchError((error) {
      asyncEnd();
    }, test: (e) => e is HttpException);
    return request.close();
  });
}


void main() {
  testResponseDone();
  testBadResponseAdd();
  testBadResponseClose();
  testBadHeaders();
}