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 * modification, are permitted provided that the following conditions are
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 *
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 */


// This file contains the tests of dataurl functions

#include "tests/common/win/testing_common.h"
#include "utils/cross/dataurl.h"

namespace o3d {

class DataURLTest : public testing::Test {
};

TEST_F(DataURLTest, kEmptyDataURL) {
  EXPECT_STREQ("data:,", dataurl::kEmptyDataURL);
}

TEST_F(DataURLTest, ToDataURL) {
  EXPECT_STREQ("data:a/b;base64,YWJj",
               dataurl::ToDataURL("a/b", "abc", 3).c_str());
  EXPECT_STREQ("data:de/ej;base64,YWIAYw==",
               dataurl::ToDataURL("de/ej", "ab\0c", 4).c_str());
}

TEST_F(DataURLTest, FromDataURL) {
  String data_url("data:a/b;base64,YWJj");
  scoped_array<uint8> output;
  size_t output_length;
  String error_string;

  EXPECT_TRUE(dataurl::FromDataURL(data_url,
                                    &output,
                                    &output_length,
                                    &error_string));
  EXPECT_EQ(3u, output_length);
  EXPECT_EQ(0, memcmp("abc", output.get(), 3));
}

TEST_F(DataURLTest, FromDataURLFormatErrors) {
  scoped_array<uint8> output;
  size_t output_length;
  String error_string("");
  // Not long enough
  EXPECT_FALSE(dataurl::FromDataURL("",
                                    &output,
                                    &output_length,
                                    &error_string));
  EXPECT_LT(0u, error_string.size());
  // Does not start with "data:"
  error_string = "";
  EXPECT_FALSE(dataurl::FromDataURL("aaaaaaaaaaaaaaaa",
                                    &output,
                                    &output_length,
                                    &error_string));
  EXPECT_LT(0u, error_string.size());
  // Must contain base64
  error_string = "";
  EXPECT_FALSE(dataurl::FromDataURL("data:aaaaaaaaaaa",
                                    &output,
                                    &output_length,
                                    &error_string));
  EXPECT_LT(0u, error_string.size());
  // Must contain data.
  error_string = "";
  EXPECT_FALSE(dataurl::FromDataURL("data:aa;base64,",
                                    &output,
                                    &output_length,
                                    &error_string));
  EXPECT_LT(0u, error_string.size());

  // Bad character in data.
  error_string = "";
  EXPECT_FALSE(dataurl::FromDataURL("data:;base64,@",
                                    &output,
                                    &output_length,
                                    &error_string));
  EXPECT_LT(0u, error_string.size());
  // Padding error in data.
  error_string = "";
  EXPECT_FALSE(dataurl::FromDataURL("data:;base64,Y",
                                    &output,
                                    &output_length,
                                    &error_string));
  EXPECT_LT(0u, error_string.size());
  // Correct.
  error_string = "";
  EXPECT_TRUE(dataurl::FromDataURL("data:;base64,YWJj",
                                    &output,
                                    &output_length,
                                    &error_string));
  EXPECT_EQ(0u, error_string.size());
}

}  // namespace o3d