gecko-dev/dom/media/gtest/TestGMPUtils.cpp

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "gtest/gtest.h"
#include "GMPUtils.h"
#include "nsString.h"
#include "MediaPrefs.h"

#include <string>
#include <vector>

using namespace std;
using namespace mozilla;

void TestSplitAt(const char* aInput,
                 const char* aDelims,
                 size_t aNumExpectedTokens,
                 const char* aExpectedTokens[])
{
  // Initialize media preferences.
  MediaPrefs::GetSingleton();
  nsCString input(aInput);
  nsTArray<nsCString> tokens;
  SplitAt(aDelims, input, tokens);
  EXPECT_EQ(tokens.Length(), aNumExpectedTokens) << "Should get expected number of tokens";
  for (size_t i = 0; i < tokens.Length(); i++) {
    EXPECT_TRUE(tokens[i].EqualsASCII(aExpectedTokens[i]))
      << "Tokenize fail; expected=" << aExpectedTokens[i] << " got=" <<
      tokens[i].BeginReading();
  }
}

TEST(GeckoMediaPlugins, TestSplitAt) {
  {
    const char* input = "1,2,3,4";
    const char* delims = ",";
    const char* tokens[] = { "1", "2", "3", "4" };
    TestSplitAt(input, delims, MOZ_ARRAY_LENGTH(tokens), tokens);
  }

  {
    const char* input = "a simple, comma, seperated, list";
    const char* delims = ",";
    const char* tokens[] = { "a simple", " comma", " seperated", " list" };
    TestSplitAt(input, delims, MOZ_ARRAY_LENGTH(tokens), tokens);
  }

  {
    const char* input = // Various platform line endings...
      "line1\r\n" // Windows
      "line2\r" // Old MacOSX
      "line3\n" // Unix
      "line4";
    const char* delims = "\r\n";
    const char* tokens[] = { "line1", "line2", "line3", "line4" };
    TestSplitAt(input, delims, MOZ_ARRAY_LENGTH(tokens), tokens);
  }
}

TEST(GeckoMediaPlugins, ToHexString) {
  struct Test {
    nsTArray<uint8_t> bytes;
    string hex;
  };

  static const Test tests[] = {
    { {0x00, 0x00}, "0000" },
    { {0xff, 0xff}, "ffff" },
    { {0xff, 0x00}, "ff00" },
    { {0x00, 0xff}, "00ff" },
    { {0xf0, 0x10}, "f010" },
    { {0x05, 0x50}, "0550" },
    { {0xf}, "0f" },
    { {0x10}, "10" },
    { {}, "" },
    {
      {
        0x00, 0x11, 0x22, 0x33,
        0x44, 0x55, 0x66, 0x77,
        0x88, 0x99, 0xaa, 0xbb,
        0xcc, 0xdd, 0xee, 0xff
      },
      "00112233445566778899aabbccddeeff"
    },
  };

  for (const Test& test : tests) {
    EXPECT_STREQ(test.hex.c_str(), ToHexString(test.bytes).get());
  }
}