Move core/fpdfapi/fpdf_parser to core/fpdfapi/parser

core/fpdfapi/fpdf_parser/cpdf_array_unittest.cpp

-// 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 "core/fpdfapi/fpdf_parser/cpdf_array.h"
-#include "core/fpdfapi/fpdf_parser/cpdf_number.h"
-#include "core/fpdfapi/fpdf_parser/cpdf_reference.h"
-
-#include <memory>
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-using ScopedArray = std::unique_ptr<CPDF_Array, ReleaseDeleter<CPDF_Array>>;
-
-}  // namespace
-
-TEST(cpdf_array, RemoveAt) {
-  {
-    int elems[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
-    ScopedArray arr(new CPDF_Array);
-    for (size_t i = 0; i < FX_ArraySize(elems); ++i)
-      arr->AddInteger(elems[i]);
-    arr->RemoveAt(3, 3);
-    int expected[] = {1, 2, 3, 7, 8, 9, 10};
-    EXPECT_EQ(FX_ArraySize(expected), arr->GetCount());
-    for (size_t i = 0; i < FX_ArraySize(expected); ++i)
-      EXPECT_EQ(expected[i], arr->GetIntegerAt(i));
-    arr->RemoveAt(4, 2);
-    int expected2[] = {1, 2, 3, 7, 10};
-    EXPECT_EQ(FX_ArraySize(expected2), arr->GetCount());
-    for (size_t i = 0; i < FX_ArraySize(expected2); ++i)
-      EXPECT_EQ(expected2[i], arr->GetIntegerAt(i));
-  }
-  {
-    // When the range is out of bound, RemoveAt has no effect.
-    int elems[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
-    ScopedArray arr(new CPDF_Array);
-    for (size_t i = 0; i < FX_ArraySize(elems); ++i)
-      arr->AddInteger(elems[i]);
-    arr->RemoveAt(8, 5);
-    EXPECT_EQ(FX_ArraySize(elems), arr->GetCount());
-    for (size_t i = 0; i < FX_ArraySize(elems); ++i)
-      EXPECT_EQ(elems[i], arr->GetIntegerAt(i));
-    arr->RemoveAt(0, 12);
-    EXPECT_EQ(FX_ArraySize(elems), arr->GetCount());
-    arr->RemoveAt(11, 1);
-    EXPECT_EQ(FX_ArraySize(elems), arr->GetCount());
-  }
-}
-
-TEST(cpdf_array, InsertAt) {
-  {
-    int elems[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
-    ScopedArray arr(new CPDF_Array);
-    for (size_t i = 0; i < FX_ArraySize(elems); ++i)
-      arr->InsertAt(i, new CPDF_Number(elems[i]));
-    EXPECT_EQ(FX_ArraySize(elems), arr->GetCount());
-    for (size_t i = 0; i < FX_ArraySize(elems); ++i)
-      EXPECT_EQ(elems[i], arr->GetIntegerAt(i));
-    arr->InsertAt(3, new CPDF_Number(33));
-    arr->InsertAt(6, new CPDF_Number(55));
-    arr->InsertAt(12, new CPDF_Number(12));
-    int expected[] = {1, 2, 3, 33, 4, 5, 55, 6, 7, 8, 9, 10, 12};
-    EXPECT_EQ(FX_ArraySize(expected), arr->GetCount());
-    for (size_t i = 0; i < FX_ArraySize(expected); ++i)
-      EXPECT_EQ(expected[i], arr->GetIntegerAt(i));
-  }
-  {
-    // When the position to insert is beyond the upper bound,
-    // an element is inserted at that position while other unfilled
-    // positions have nullptr.
-    int elems[] = {1, 2};
-    ScopedArray arr(new CPDF_Array);
-    for (size_t i = 0; i < FX_ArraySize(elems); ++i)
-      arr->InsertAt(i, new CPDF_Number(elems[i]));
-    arr->InsertAt(10, new CPDF_Number(10));
-    EXPECT_EQ(11u, arr->GetCount());
-    for (size_t i = 0; i < FX_ArraySize(elems); ++i)
-      EXPECT_EQ(elems[i], arr->GetIntegerAt(i));
-    for (size_t i = FX_ArraySize(elems); i < 10; ++i)
-      EXPECT_EQ(nullptr, arr->GetObjectAt(i));
-    EXPECT_EQ(10, arr->GetIntegerAt(10));
-  }
-}
-
-TEST(cpdf_array, Clone) {
-  {
-    // Basic case.
-    int elems[] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
-    ScopedArray arr(new CPDF_Array);
-    for (size_t i = 0; i < FX_ArraySize(elems); ++i)
-      arr->InsertAt(i, new CPDF_Number(elems[i]));
-    ScopedArray arr2(arr->Clone()->AsArray());
-    EXPECT_EQ(arr->GetCount(), arr2->GetCount());
-    for (size_t i = 0; i < FX_ArraySize(elems); ++i) {
-      // Clone() always create new objects.
-      EXPECT_NE(arr->GetObjectAt(i), arr2->GetObjectAt(i));
-      EXPECT_EQ(arr->GetIntegerAt(i), arr2->GetIntegerAt(i));
-    }
-  }
-  {
-    // Clone() with and without dereferencing reference objects.
-    static const size_t kNumOfRows = 3;
-    static const size_t kNumOfRowElems = 5;
-    int elems[kNumOfRows][kNumOfRowElems] = {
-        {1, 2, 3, 4, 5}, {10, 9, 8, 7, 6}, {11, 12, 13, 14, 15}};
-    ScopedArray arr(new CPDF_Array);
-    // Indirect references to indirect objects.
-    std::unique_ptr<CPDF_IndirectObjectHolder> obj_holder(
-        new CPDF_IndirectObjectHolder());
-    for (size_t i = 0; i < kNumOfRows; ++i) {
-      CPDF_Array* arr_elem = new CPDF_Array;
-      for (size_t j = 0; j < kNumOfRowElems; ++j) {
-        CPDF_Number* obj = new CPDF_Number(elems[i][j]);
-        // Starts object number from 1.
-        int obj_num = i * kNumOfRowElems + j + 1;
-        obj_holder->ReplaceIndirectObjectIfHigherGeneration(obj_num, obj);
-        arr_elem->InsertAt(j, new CPDF_Reference(obj_holder.get(), obj_num));
-      }
-      arr->InsertAt(i, arr_elem);
-    }
-    ASSERT_EQ(kNumOfRows, arr->GetCount());
-    // Not dereferencing reference objects means just creating new references
-    // instead of new copies of direct objects.
-    ScopedArray arr1(arr->Clone()->AsArray());
-    EXPECT_EQ(arr->GetCount(), arr1->GetCount());
-    // Dereferencing reference objects creates new copies of direct objects.
-    ScopedArray arr2(arr->CloneDirectObject()->AsArray());
-    EXPECT_EQ(arr->GetCount(), arr2->GetCount());
-    for (size_t i = 0; i < kNumOfRows; ++i) {
-      CPDF_Array* arr_elem = arr->GetObjectAt(i)->AsArray();
-      CPDF_Array* arr1_elem = arr1->GetObjectAt(i)->AsArray();
-      CPDF_Array* arr2_elem = arr2->GetObjectAt(i)->AsArray();
-      EXPECT_NE(arr_elem, arr1_elem);
-      EXPECT_NE(arr_elem, arr2_elem);
-      for (size_t j = 0; j < kNumOfRowElems; ++j) {
-        auto elem_obj = arr_elem->GetObjectAt(j);
-        auto elem_obj1 = arr1_elem->GetObjectAt(j);
-        auto elem_obj2 = arr2_elem->GetObjectAt(j);
-        // Results from not deferencing reference objects.
-        EXPECT_NE(elem_obj, elem_obj1);
-        EXPECT_TRUE(elem_obj1->IsReference());
-        EXPECT_EQ(elem_obj->GetDirect(), elem_obj1->GetDirect());
-        EXPECT_EQ(elem_obj->GetInteger(), elem_obj1->GetInteger());
-        // Results from deferencing reference objects.
-        EXPECT_NE(elem_obj, elem_obj2);
-        EXPECT_TRUE(elem_obj2->IsNumber());
-        EXPECT_NE(elem_obj->GetDirect(), elem_obj2);
-        EXPECT_EQ(elem_obj->GetObjNum(), elem_obj2->GetObjNum());
-        EXPECT_EQ(elem_obj->GetInteger(), elem_obj2->GetInteger());
-      }
-    }
-    arr.reset();
-    ASSERT_EQ(kNumOfRows, arr1->GetCount());
-    for (size_t i = 0; i < kNumOfRows; ++i) {
-      for (size_t j = 0; j < kNumOfRowElems; ++j) {
-        // Results from not deferencing reference objects.
-        auto elem_obj1 = arr1->GetObjectAt(i)->AsArray()->GetObjectAt(j);
-        EXPECT_TRUE(elem_obj1->IsReference());
-        EXPECT_EQ(elems[i][j], elem_obj1->GetInteger());
-        // Results from deferencing reference objects.
-        EXPECT_EQ(elems[i][j],
-                  arr2->GetObjectAt(i)->AsArray()->GetIntegerAt(j));
-      }
-    }
-  }
-}
-
-TEST(cpdf_array, Iterator) {
-  int elems[] = {-23, -11,     3,         455,   2345877,
-                 0,   7895330, -12564334, 10000, -100000};
-  ScopedArray arr(new CPDF_Array);
-  for (size_t i = 0; i < FX_ArraySize(elems); ++i)
-    arr->InsertAt(i, new CPDF_Number(elems[i]));
-  size_t index = 0;
-  for (const auto& it : *arr)
-    EXPECT_EQ(elems[index++], it->AsNumber()->GetInteger());
-}