text: /*
   * Copyright 2009, Google Inc.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   *     * Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above
   * copyright notice, this list of conditions and the following disclaimer
   * in the documentation and/or other materials provided with the
   * distribution.
   *     * Neither the name of Google Inc. nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  
  // This file contains the tests of base64 functions
  
  #include "tests/common/win/testing_common.h"
  #include "utils/cross/base64.h"
  
  namespace o3d {
  
  class Base64Test : public testing::Test {
  };
  
  TEST_F(Base64Test, GetEncodeLength) {
    EXPECT_EQ(0u, base64::GetEncodeLength(0));
    EXPECT_EQ(4u, base64::GetEncodeLength(1));
    EXPECT_EQ(4u, base64::GetEncodeLength(2));
    EXPECT_EQ(4u, base64::GetEncodeLength(3));
    EXPECT_EQ(8u, base64::GetEncodeLength(4));
  }
  
  TEST_F(Base64Test, Encode) {
    unsigned char buffer[100];
    memset(buffer, 0xFF, sizeof(buffer));
    base64::Encode("abc", 3, buffer);
    EXPECT_EQ(0, memcmp(buffer, "YWJj", 4));
    EXPECT_EQ(0xFF, buffer[4]);
    memset(buffer, 0xFF, sizeof(buffer));
    base64::Encode("ab\0c", 4, buffer);
    EXPECT_EQ(0, memcmp(buffer, "YWIAYw==", 8));
    EXPECT_EQ(0xFF, buffer[8]);
  }
  
  TEST_F(Base64Test, GetDecodeLength) {
    size_t length = 256u;
    base64::GetDecodeLength("", 0, &length);
    EXPECT_EQ(0u, length);
  
    length = 256u;
    base64::GetDecodeLength("YQ==", 4, &length);
    EXPECT_EQ(1u, length);
  
    length = 256u;
    base64::GetDecodeLength("YWI=", 4, &length);
    EXPECT_EQ(2u, length);
  
    length = 256u;
    base64::GetDecodeLength("YWJj", 4, &length);
    EXPECT_EQ(3u, length);
  
    length = 256u;
    base64::GetDecodeLength("YWJjZA==", 8, &length);
    EXPECT_EQ(4u, length);
  
    length = 256u;
    base64::GetDecodeLength("YWJjZGU=", 8, &length);
    EXPECT_EQ(5u, length);
  }
  
  TEST_F(Base64Test, GetDecodeLengthInputError) {
    base64::DecodeStatus status = base64::kSuccess;
    size_t length = 256u;
    status = base64::GetDecodeLength("Y@==", 4, &length);
    EXPECT_EQ(base64::kBadCharError, status);
  
    status = base64::GetDecodeLength("Y Q==", 4, &length);
    EXPECT_EQ(base64::kSuccess, status);
  
    status = base64::GetDecodeLength("Y", 1, &length);
    EXPECT_EQ(base64::kPadError, status);
  }
  
  TEST_F(Base64Test, Decode) {
    unsigned char buffer[10];
    memset(buffer, 0xFF, sizeof(buffer));
    unsigned char result_buffer[10];
    memset(result_buffer, 0xFF, sizeof(result_buffer));
    base64::DecodeStatus status = base64::kSuccess;
  
    status = base64::Decode("", 0, buffer, 10);
    EXPECT_EQ(base64::kSuccess, status);
    EXPECT_EQ(0, memcmp(buffer, result_buffer, 10));
  
    result_buffer[0] = 'a';
    status = base64::Decode("YQ==", 4, buffer, 10);
    EXPECT_EQ(base64::kSuccess, status);
    EXPECT_EQ(0, memcmp(buffer, result_buffer, 10));
  
    result_buffer[1] = 'b';
    status = base64::Decode("YWI=", 4, buffer, 10);
    EXPECT_EQ(base64::kSuccess, status);
    EXPECT_EQ(0, memcmp(buffer, result_buffer, 10));
  
    result_buffer[2] = 'c';
    status = base64::Decode("YWJj", 4, buffer, 10);
    EXPECT_EQ(base64::kSuccess, status);
    EXPECT_EQ(0, memcmp(buffer, result_buffer, 10));
  
    result_buffer[3] = 'd';
    status = base64::Decode("YWJjZA==", 8, buffer, 10);
    EXPECT_EQ(base64::kSuccess, status);
    EXPECT_EQ(0, memcmp(buffer, result_buffer, 10));
  
    result_buffer[4] = 'e';
    status = base64::Decode("YWJjZGU=", 8, buffer, 10);
    EXPECT_EQ(base64::kSuccess, status);
    EXPECT_EQ(0, memcmp(buffer, result_buffer, 10));
  }
  
  TEST_F(Base64Test, DecodeInputError) {
    unsigned char buffer[10];
    base64::DecodeStatus status = base64::kSuccess;
    status = base64::Decode("Y@==", 4, buffer, 10);
    EXPECT_EQ(base64::kBadCharError, status);
  
    status = base64::Decode("Y Q==", 4, buffer, 10);
    EXPECT_EQ(base64::kSuccess, status);
  
    status = base64::Decode("Y", 1, buffer, 10);
    EXPECT_EQ(base64::kPadError, status);
  }
  
  TEST_F(Base64Test, DecodeOverflowError) {
    unsigned char buffer[10];
    base64::DecodeStatus status = base64::kSuccess;
    status = base64::Decode("YWJjZA==", 8, buffer, 3);
    EXPECT_EQ(base64::kOutputOverflowError, status);
  
    status = base64::Decode("YWJjZA==", 8, buffer, 4);
    EXPECT_EQ(base64::kSuccess, status);
  
    status = base64::Decode("YQ==", 8, buffer, 0);
    EXPECT_EQ(base64::kOutputOverflowError, status);
  
    status = base64::Decode("YQ==", 8, buffer, 1);
    EXPECT_EQ(base64::kSuccess, status);
  }
  
  }  // namespace o3d
  
  
  