root/content/test/plugin/plugin_test.cc

DEFINITIONS

1. IsWindowless
2. New
3. Destroy
4. SetWindow
5. toHex
6. URLEncode
7. SignalTestCompleted
8. GetArgValue
9. SetError
10. ExpectStringLowerCaseEqual
11. ExpectAsciiStringNotEqual
12. ExpectIntegerEqual
13. NewStream
14. WriteReady
15. Write
16. DestroyStream
17. StreamAsFile
18. URLNotify
19. HandleEvent
20. URLRedirectNotify

// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/test/plugin/plugin_test.h"

#include "base/strings/string_number_conversions.h"
#include "base/strings/string_util.h"
#include "content/test/plugin/npapi_constants.h"

namespace NPAPIClient {

PluginTest::PluginTest(NPP id, NPNetscapeFuncs *host_functions) {
  id_ = id;
  id_->pdata = this;
  host_functions_ = host_functions;
  test_completed_ = false;
}

PluginTest::~PluginTest() {}

bool PluginTest::IsWindowless() const { return false; }

NPError PluginTest::New(uint16 mode, int16 argc, const char* argn[],
                        const char* argv[], NPSavedData* saved) {
  test_name_ = this->GetArgValue("name", argc, argn, argv);
  const char* id = this->GetArgValue("id", argc, argn, argv);
  if (id)  // NULL for NP_FULL
    test_id_ = id;
  return NPERR_NO_ERROR;
}

NPError PluginTest::Destroy() {
  return NPERR_NO_ERROR;
}

NPError PluginTest::SetWindow(NPWindow* pNPWindow) {
  return NPERR_NO_ERROR;
}

// It's a shame I have to implement URLEncode.  But, using webkit's
// or using chrome's means a ball of string of dlls and dependencies that
// is very very long.  After spending far too much time on it,
// I'll just encode it myself.  Too bad Microsoft doesn't implement
// this in a reusable way either.  Both webkit and chrome will
// end up using libicu, which is a string of dependencies we don't
// want.

inline unsigned char toHex(const unsigned char x) {
  return x > 9 ? (x + 'A' - 10) : (x + '0');
}

std::string URLEncode(const std::string &sIn) {
  std::string sOut;

  const size_t length = sIn.length();
  for (size_t idx = 0; idx < length;) {
    const char ch = sIn.at(idx);
    if (isalnum(ch)) {
      sOut.append(1, ch);
    } else if (isspace(ch) && ((ch != '\n') && (ch != '\r'))) {
      sOut.append(1, '+');
    } else {
      sOut.append(1, '%');
      sOut.append(1, toHex(ch>>4));
      sOut.append(1, toHex(ch%16));
    }
    idx++;
  }
  return sOut;
}

void PluginTest::SignalTestCompleted() {
  NPObject *window_obj = NULL;
  host_functions_->getvalue(id_, NPNVWindowNPObject, &window_obj);
  if (!window_obj)
    return;

  test_completed_ = true;
  // To signal test completion, we expect a couple of
  // javascript functions to be defined in the webpage
  // which hosts this plugin:
  //    onSuccess(test_name, test_id)
  //    onFailure(test_name, test_id, error_message)
  std::string script("javascript:");
  if (Succeeded()) {
    script.append("onSuccess(\"");
    script.append(test_name_);
    script.append("\",\"");
    script.append(test_id_);
    script.append("\");");
  } else {
    script.append("onFailure(\"");
    script.append(test_name_);
    script.append("\",\"");
    script.append(test_id_);
    script.append("\",\"");
    script.append(test_status_);
    script.append("\");");
  }

  NPString script_string;
  script_string.UTF8Characters = script.c_str();
  script_string.UTF8Length = static_cast<unsigned int>(script.length());

  NPVariant result_var;
  host_functions_->evaluate(id_, window_obj, &script_string, &result_var);
}

const char *PluginTest::GetArgValue(const char *name, const int16 argc,
                                    const char *argn[], const char *argv[]) {
  for (int idx = 0; idx < argc; idx++)
    if (base::strcasecmp(argn[idx], name) == 0)
      return argv[idx];
  return NULL;
}

void PluginTest::SetError(const std::string &msg) {
  test_status_.append(msg);
}

void PluginTest::ExpectStringLowerCaseEqual(const std::string &val1,
                                            const std::string &val2) {
  if (!LowerCaseEqualsASCII(val1, val2.c_str())) {
    std::string err;
    err = "Expected Equal for '";
    err.append(val1);
    err.append("' and '");
    err.append(val2);
    err.append("'");
    SetError(err);
  }
}

void PluginTest::ExpectAsciiStringNotEqual(const char *val1, const char *val2) {
  if (val1 == val2) {
    std::string err;
    err = "Expected Not Equal for '";
    err.append(val1);
    err.append("' and '");
    err.append(val2);
    err.append("'");
    SetError(err);
  }
}

void PluginTest::ExpectIntegerEqual(int val1, int val2) {
  if (val1 != val2) {
    std::string err;
    err = "Expected Equal for '";
    err.append(base::IntToString(val1));
    err.append("' and '");
    err.append(base::IntToString(val2));
    err.append("'");
    SetError(err);
  }
}

NPError PluginTest::NewStream(NPMIMEType type, NPStream* stream,
                              NPBool seekable, uint16* stype) {
  // There is no default action here.
  return NPERR_NO_ERROR;
}

int32 PluginTest::WriteReady(NPStream *stream) {
  // Take data in small chunks
  return 4096;
}

int32 PluginTest::Write(NPStream *stream, int32 offset, int32 len,
                           void *buffer) {
  // Pretend that we took all the data.
  return len;
}

NPError PluginTest::DestroyStream(NPStream *stream, NPError reason) {
  // There is no default action.
  return NPERR_NO_ERROR;
}

void PluginTest::StreamAsFile(NPStream* stream, const char* fname) {
  // There is no default action.
}

void PluginTest::URLNotify(const char* url, NPReason reason, void* data) {
  // There is no default action
}

int16 PluginTest::HandleEvent(void* event) {
  // There is no default action
  return 0;
}

void PluginTest::URLRedirectNotify(const char* url, int32_t status,
                                   void* notify_data) {
  // There is no default action
}

} // namespace NPAPIClient