gecko-dev/xpcom/tests/TestStreamUtils.cpp

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim:set ts=2 sw=2 sts=2 et cindent: */
/* 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/. */

#include <stdlib.h>
#include <stdio.h>
#include "nsIPipe.h"
#include "nsStreamUtils.h"
#include "nsString.h"
#include "nsCOMPtr.h"

//----

static bool test_consume_stream() {
  const char kData[] =
      "Get your facts first, and then you can distort them as much as you "
      "please.";

  nsCOMPtr<nsIInputStream> input;
  nsCOMPtr<nsIOutputStream> output;
  NS_NewPipe(getter_AddRefs(input), getter_AddRefs(output), 10, UINT32_MAX);
  if (!input || !output) return false;

  uint32_t n = 0;
  output->Write(kData, sizeof(kData) - 1, &n);
  if (n != (sizeof(kData) - 1)) return false;
  output = nullptr;  // close output

  nsCString buf;
  if (NS_FAILED(NS_ConsumeStream(input, UINT32_MAX, buf))) return false;

  if (!buf.Equals(kData)) return false;

  return true;
}

//----

typedef bool (*TestFunc)();
#define DECL_TEST(name) \
  { #name, name }

static const struct Test {
  const char* name;
  TestFunc func;
} tests[] = {DECL_TEST(test_consume_stream), {nullptr, nullptr}};

int main(int argc, char** argv) {
  int count = 1;
  if (argc > 1) count = atoi(argv[1]);

  if (NS_FAILED(NS_InitXPCOM(nullptr, nullptr, nullptr))) return -1;

  while (count--) {
    for (const Test* t = tests; t->name != nullptr; ++t) {
      printf("%25s : %s\n", t->name, t->func() ? "SUCCESS" : "FAILURE");
    }
  }

  NS_ShutdownXPCOM(nullptr);
  return 0;
}