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path: root/xfa/fxfa/fm2js/xfa_simpleexpression_unittest.cpp
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// Copyright 2016 PDFium 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 "xfa/fxfa/fm2js/xfa_simpleexpression.h"

#include <memory>

#include "testing/gtest/include/gtest/gtest.h"
#include "xfa/fxfa/fm2js/xfa_lexer.h"

TEST(FMCallExpression, more_than_32_arguments) {
  // Use sign as it has 3 object parameters at positions 0, 5, and 6.
  std::unique_ptr<CXFA_FMIdentifierExpression> exp(
      new CXFA_FMIdentifierExpression(0, CFX_WideStringC(L"sign")));

  std::unique_ptr<CFX_ArrayTemplate<CXFA_FMSimpleExpression*>> args(
      new CFX_ArrayTemplate<CXFA_FMSimpleExpression*>());
  for (size_t i = 0; i < 50; i++)
    args->Add(new CXFA_FMSimpleExpression(0, TOKnan));

  CXFA_FMCallExpression callExp(0, exp.release(), args.release(), true);
  CFX_WideTextBuf js;
  callExp.ToJavaScript(js);

  // Generate the result javascript string.
  CFX_WideString result = L"sign(";
  for (size_t i = 0; i < 50; i++) {
    if (i > 0)
      result += L", ";

    result += L"foxit_xfa_formcalc_runtime.get_fm_";
    // Object positions for sign() method.
    if (i == 0 || i == 5 || i == 6)
      result += L"jsobj()";
    else
      result += L"value()";
  }
  result += L")";

  EXPECT_EQ(result.AsStringC(), js.AsStringC());
}