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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 "core/include/fpdfapi/fpdf_objects.h"
#include <memory>
#include <vector>
#include "core/include/fxcrt/fx_basic.h"
#include "testing/gtest/include/gtest/gtest.h"
class PDFObjectsTest : public testing::Test {
public:
void SetUp() override {
// Initialize different kinds of objects.
// Boolean objects.
CPDF_Boolean* boolean_false_obj = new CPDF_Boolean(false);
CPDF_Boolean* boolean_true_obj = new CPDF_Boolean(true);
// Number objects.
CPDF_Number* number_int_obj = new CPDF_Number(1245);
CPDF_Number* number_float_obj = new CPDF_Number(9.00345f);
// String objects.
CPDF_String* str_reg_obj = new CPDF_String(L"A simple test");
CPDF_String* str_spec_obj = new CPDF_String(L"\t\n");
// Name object.
CPDF_Name* name_obj = new CPDF_Name("space");
// Array object.
CPDF_Array* array_obj = new CPDF_Array;
array_obj->InsertAt(0, new CPDF_Number(8902));
array_obj->InsertAt(1, new CPDF_Name("address"));
// Dictionary object.
m_DictObj = new CPDF_Dictionary;
m_DictObj->SetAt("bool", new CPDF_Boolean(false));
m_DictObj->SetAt("num", new CPDF_Number(0.23f));
// Stream object.
const char content[] = "abcdefghijklmnopqrstuvwxyz";
size_t buf_len = FX_ArraySize(content);
uint8_t* buf = reinterpret_cast<uint8_t*>(malloc(buf_len));
memcpy(buf, content, buf_len);
m_StreamDictObj = new CPDF_Dictionary;
m_StreamDictObj->SetAt("key1", new CPDF_String(L" test dict"));
m_StreamDictObj->SetAt("key2", new CPDF_Number(-1));
CPDF_Stream* stream_obj = new CPDF_Stream(buf, buf_len, m_StreamDictObj);
// Null Object.
CPDF_Null* null_obj = new CPDF_Null;
// All direct objects.
CPDF_Object* objs[] = {boolean_false_obj, boolean_true_obj, number_int_obj,
number_float_obj, str_reg_obj, str_spec_obj,
name_obj, array_obj, m_DictObj,
stream_obj, null_obj};
for (int i = 0; i < FX_ArraySize(objs); ++i)
m_DirectObjs.emplace_back(objs[i]);
// Indirect references to indirect objects.
m_ObjHolder.reset(new CPDF_IndirectObjectHolder(nullptr));
CPDF_Object* referred_objs[] = {
boolean_true_obj, number_int_obj, str_spec_obj, name_obj,
array_obj, m_DictObj, stream_obj};
for (int i = 0; i < FX_ArraySize(referred_objs); ++i) {
m_ObjHolder->AddIndirectObject(referred_objs[i]);
m_RefObjs.emplace_back(
new CPDF_Reference(m_ObjHolder.get(), referred_objs[i]->GetObjNum()));
}
}
protected:
using ScopedObj = std::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>>;
// m_ObjHolder needs to be declared first and destructed last since it also
// refers to some objects in m_DirectObjs.
std::unique_ptr<CPDF_IndirectObjectHolder> m_ObjHolder;
std::vector<ScopedObj> m_DirectObjs;
std::vector<ScopedObj> m_RefObjs;
CPDF_Dictionary* m_DictObj;
CPDF_Dictionary* m_StreamDictObj;
};
TEST_F(PDFObjectsTest, GetString) {
const char* direct_obj_results[] = {
"false", "true", "1245", "9.00345", "A simple test", "\t\n", "space",
"", "", "", ""};
// Check for direct objects.
for (int i = 0; i < m_DirectObjs.size(); ++i)
EXPECT_STREQ(m_DirectObjs[i]->GetString().c_str(), direct_obj_results[i]);
// Check indirect references.
const char* indirect_obj_results[] = {"true", "1245", "\t\n", "space",
"", "", ""};
for (int i = 0; i < m_RefObjs.size(); ++i) {
EXPECT_STREQ(m_RefObjs[i]->GetString().c_str(), indirect_obj_results[i]);
}
}
TEST_F(PDFObjectsTest, GetConstString) {
const char* direct_obj_results[] = {
nullptr, nullptr, nullptr, nullptr, "A simple test", "\t\n",
"space", nullptr, nullptr, nullptr, nullptr};
// Check for direct objects.
for (int i = 0; i < m_DirectObjs.size(); ++i) {
if (!direct_obj_results[i]) {
EXPECT_EQ(m_DirectObjs[i]->GetConstString().GetCStr(),
direct_obj_results[i]);
} else {
EXPECT_STREQ(m_DirectObjs[i]->GetConstString().GetCStr(),
direct_obj_results[i]);
}
}
// Check indirect references.
const char* indirect_obj_results[] = {nullptr, nullptr, "\t\n", "space",
nullptr, nullptr, nullptr};
for (int i = 0; i < m_RefObjs.size(); ++i) {
if (!indirect_obj_results[i])
EXPECT_EQ(m_RefObjs[i]->GetConstString().GetCStr(), nullptr);
else {
EXPECT_STREQ(m_RefObjs[i]->GetConstString().GetCStr(),
indirect_obj_results[i]);
}
}
}
TEST_F(PDFObjectsTest, GetNumber) {
const FX_FLOAT direct_obj_results[] = {0, 0, 1245, 9.00345f, 0, 0,
0, 0, 0, 0, 0};
// Check for direct objects.
for (int i = 0; i < m_DirectObjs.size(); ++i)
EXPECT_EQ(m_DirectObjs[i]->GetNumber(), direct_obj_results[i]);
// Check indirect references.
const FX_FLOAT indirect_obj_results[] = {0, 1245, 0, 0, 0, 0, 0};
for (int i = 0; i < m_RefObjs.size(); ++i)
EXPECT_EQ(m_RefObjs[i]->GetNumber(), indirect_obj_results[i]);
}
TEST_F(PDFObjectsTest, GetInteger) {
const int direct_obj_results[] = {0, 1, 1245, 9, 0, 0, 0, 0, 0, 0, 0};
// Check for direct objects.
for (int i = 0; i < m_DirectObjs.size(); ++i)
EXPECT_EQ(m_DirectObjs[i]->GetInteger(), direct_obj_results[i]);
// Check indirect references.
const int indirect_obj_results[] = {1, 1245, 0, 0, 0, 0, 0};
for (int i = 0; i < m_RefObjs.size(); ++i)
EXPECT_EQ(m_RefObjs[i]->GetInteger(), indirect_obj_results[i]);
}
TEST_F(PDFObjectsTest, GetDict) {
const CPDF_Dictionary* direct_obj_results[] = {
nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,
nullptr, nullptr, m_DictObj, m_StreamDictObj, nullptr};
// Check for direct objects.
for (int i = 0; i < m_DirectObjs.size(); ++i)
EXPECT_EQ(m_DirectObjs[i]->GetDict(), direct_obj_results[i]);
// Check indirect references.
const CPDF_Dictionary* indirect_obj_results[] = {
nullptr, nullptr, nullptr, nullptr, nullptr, m_DictObj, m_StreamDictObj};
for (int i = 0; i < m_RefObjs.size(); ++i)
EXPECT_EQ(m_RefObjs[i]->GetDict(), indirect_obj_results[i]);
}
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