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cef/tests/ceftests/string_unittest.cc

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// Copyright (c) 2010 The Chromium Embedded Framework 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 <map>
#include <vector>
#include "include/internal/cef_string.h"
#include "include/internal/cef_string_list.h"
#include "include/internal/cef_string_map.h"
#include "include/internal/cef_string_multimap.h"
#include "tests/gtest/include/gtest/gtest.h"
// Test UTF8 strings.
TEST(StringTest, UTF8) {
CefStringUTF8 str1("Test String");
EXPECT_EQ(str1.length(), (size_t)11);
EXPECT_FALSE(str1.empty());
EXPECT_TRUE(str1.IsOwner());
// Test equality.
CefStringUTF8 str2("Test String");
EXPECT_EQ(str1, str2);
EXPECT_LE(str1, str2);
EXPECT_GE(str1, str2);
str2 = "Test Test";
EXPECT_LT(str1, str2);
EXPECT_GT(str2, str1);
// When strings are the same but of unequal length, the longer string is
// greater.
str2 = "Test";
EXPECT_LT(str2, str1);
EXPECT_GT(str1, str2);
// Test conversions.
str2 = str1.ToString();
EXPECT_EQ(str1, str2);
str2 = str1.ToWString();
EXPECT_EQ(str1, str2);
// Test userfree assignment.
cef_string_userfree_utf8_t uf = str2.DetachToUserFree();
EXPECT_TRUE(uf != nullptr);
EXPECT_TRUE(str2.empty());
str2.AttachToUserFree(uf);
EXPECT_FALSE(str2.empty());
EXPECT_EQ(str1, str2);
}
// Test UTF16 strings.
TEST(StringTest, UTF16) {
CefStringUTF16 str1("Test String");
EXPECT_EQ(str1.length(), (size_t)11);
EXPECT_FALSE(str1.empty());
EXPECT_TRUE(str1.IsOwner());
// Test equality.
CefStringUTF16 str2("Test String");
EXPECT_EQ(str1, str2);
EXPECT_LE(str1, str2);
EXPECT_GE(str1, str2);
str2 = "Test Test";
EXPECT_LT(str1, str2);
EXPECT_GT(str2, str1);
// When strings are the same but of unequal length, the longer string is
// greater.
str2 = "Test";
EXPECT_LT(str2, str1);
EXPECT_GT(str1, str2);
// Test conversions.
str2 = str1.ToString();
EXPECT_EQ(str1, str2);
str2 = str1.ToWString();
EXPECT_EQ(str1, str2);
// Test userfree assignment.
cef_string_userfree_utf16_t uf = str2.DetachToUserFree();
EXPECT_TRUE(uf != nullptr);
EXPECT_TRUE(str2.empty());
str2.AttachToUserFree(uf);
EXPECT_FALSE(str2.empty());
EXPECT_EQ(str1, str2);
}
// Test wide strings.
TEST(StringTest, Wide) {
CefStringWide str1("Test String");
EXPECT_EQ(str1.length(), (size_t)11);
EXPECT_FALSE(str1.empty());
EXPECT_TRUE(str1.IsOwner());
// Test equality.
CefStringWide str2("Test String");
EXPECT_EQ(str1, str2);
EXPECT_LE(str1, str2);
EXPECT_GE(str1, str2);
str2 = "Test Test";
EXPECT_LT(str1, str2);
EXPECT_GT(str2, str1);
// When strings are the same but of unequal length, the longer string is
// greater.
str2 = "Test";
EXPECT_LT(str2, str1);
EXPECT_GT(str1, str2);
// Test conversions.
str2 = str1.ToString();
EXPECT_EQ(str1, str2);
str2 = str1.ToWString();
EXPECT_EQ(str1, str2);
// Test userfree assignment.
cef_string_userfree_wide_t uf = str2.DetachToUserFree();
EXPECT_TRUE(uf != nullptr);
EXPECT_TRUE(str2.empty());
str2.AttachToUserFree(uf);
EXPECT_FALSE(str2.empty());
EXPECT_EQ(str1, str2);
}
// Test std::u16string convertion to/from CefString types.
TEST(StringTest, string16) {
CefStringUTF8 str8("Test String 1"), str8b;
CefStringUTF16 str16("Test String 2"), str16b;
CefStringWide strwide("Test String 3"), strwideb;
std::u16string base_str;
base_str = str8;
str8b = base_str;
EXPECT_EQ(str8, base_str);
EXPECT_EQ(str8, str8b);
base_str = str16;
str16b = base_str;
EXPECT_EQ(str16, base_str);
EXPECT_EQ(str16, str16b);
base_str = strwide;
strwideb = base_str;
EXPECT_EQ(strwide, base_str);
EXPECT_EQ(strwide, strwideb);
}
// Test string lists.
TEST(StringTest, List) {
typedef std::vector<CefString> ListType;
ListType list;
list.push_back("String 1");
list.push_back("String 2");
list.push_back("String 3");
EXPECT_EQ(list[0], "String 1");
EXPECT_EQ(list[1], "String 2");
EXPECT_EQ(list[2], "String 3");
cef_string_list_t listPtr = cef_string_list_alloc();
EXPECT_TRUE(listPtr != nullptr);
ListType::const_iterator it = list.begin();
for (; it != list.end(); ++it)
cef_string_list_append(listPtr, it->GetStruct());
CefString str;
int ret;
EXPECT_EQ(cef_string_list_size(listPtr), 3U);
ret = cef_string_list_value(listPtr, 0U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "String 1");
ret = cef_string_list_value(listPtr, 1U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "String 2");
ret = cef_string_list_value(listPtr, 2U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "String 3");
cef_string_list_t listPtr2 = cef_string_list_copy(listPtr);
cef_string_list_clear(listPtr);
EXPECT_EQ(cef_string_list_size(listPtr), 0U);
cef_string_list_free(listPtr);
EXPECT_EQ(cef_string_list_size(listPtr2), 3U);
ret = cef_string_list_value(listPtr2, 0U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "String 1");
ret = cef_string_list_value(listPtr2, 1U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "String 2");
ret = cef_string_list_value(listPtr2, 2U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "String 3");
cef_string_list_free(listPtr2);
}
// Test string maps.
TEST(StringTest, Map) {
typedef std::map<CefString, CefString> MapType;
MapType map;
map.insert(std::make_pair("Key 1", "String 1"));
map.insert(std::make_pair("Key 2", "String 2"));
map.insert(std::make_pair("Key 3", "String 3"));
MapType::const_iterator it;
it = map.find("Key 2");
EXPECT_TRUE(it != map.end());
EXPECT_EQ(it->first, "Key 2");
EXPECT_EQ(it->second, "String 2");
it = map.find(L"Key 2");
EXPECT_TRUE(it != map.end());
EXPECT_EQ(it->first, L"Key 2");
EXPECT_EQ(it->second, L"String 2");
EXPECT_EQ(map["Key 1"], "String 1");
EXPECT_EQ(map["Key 2"], "String 2");
EXPECT_EQ(map["Key 3"], "String 3");
cef_string_map_t mapPtr = cef_string_map_alloc();
it = map.begin();
for (; it != map.end(); ++it) {
cef_string_map_append(mapPtr, it->first.GetStruct(),
it->second.GetStruct());
}
CefString str;
int ret;
EXPECT_EQ(cef_string_map_size(mapPtr), 3U);
ret = cef_string_map_key(mapPtr, 0U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "Key 1");
ret = cef_string_map_value(mapPtr, 0U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "String 1");
ret = cef_string_map_key(mapPtr, 1U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "Key 2");
ret = cef_string_map_value(mapPtr, 1U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "String 2");
ret = cef_string_map_key(mapPtr, 2U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "Key 3");
ret = cef_string_map_value(mapPtr, 2U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "String 3");
CefString key;
key.FromASCII("Key 2");
ret = cef_string_map_find(mapPtr, key.GetStruct(), str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "String 2");
cef_string_map_clear(mapPtr);
EXPECT_EQ(cef_string_map_size(mapPtr), 0U);
cef_string_map_free(mapPtr);
}
// Test string maps.
TEST(StringTest, Multimap) {
typedef std::multimap<CefString, CefString> MapType;
MapType map;
map.insert(std::make_pair("Key 1", "String 1"));
map.insert(std::make_pair("Key 2", "String 2"));
map.insert(std::make_pair("Key 2", "String 2.1"));
map.insert(std::make_pair("Key 3", "String 3"));
MapType::const_iterator it;
it = map.find("Key 2");
EXPECT_TRUE(it != map.end());
EXPECT_EQ(it->first, "Key 2");
EXPECT_EQ(it->second, "String 2");
std::pair<MapType::const_iterator, MapType::const_iterator> range_it =
map.equal_range("Key 2");
EXPECT_TRUE(range_it.first != range_it.second);
MapType::const_iterator same_key_it = range_it.first;
// Either of "String 2" or "String 2.1" is fine since
// std::multimap provides no guarantee wrt the order of
// values with the same key.
EXPECT_EQ(same_key_it->second.ToString().find("String 2"), 0U);
EXPECT_EQ((++same_key_it)->second.ToString().find("String 2"), 0U);
EXPECT_EQ(map.count("Key 2"), 2U);
EXPECT_EQ(map.find("Key 1")->second, "String 1");
EXPECT_EQ(map.find("Key 3")->second, "String 3");
cef_string_multimap_t mapPtr = cef_string_multimap_alloc();
it = map.begin();
for (; it != map.end(); ++it) {
cef_string_multimap_append(mapPtr, it->first.GetStruct(),
it->second.GetStruct());
}
CefString str;
int ret;
EXPECT_EQ(cef_string_multimap_size(mapPtr), 4U);
ret = cef_string_multimap_key(mapPtr, 0U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "Key 1");
ret = cef_string_multimap_value(mapPtr, 0U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "String 1");
ret = cef_string_multimap_key(mapPtr, 1U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "Key 2");
ret = cef_string_multimap_value(mapPtr, 1U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str.ToString().find("String 2"), 0U);
ret = cef_string_multimap_key(mapPtr, 2U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "Key 2");
ret = cef_string_multimap_value(mapPtr, 2U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str.ToString().find("String 2"), 0U);
ret = cef_string_multimap_key(mapPtr, 3U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "Key 3");
ret = cef_string_multimap_value(mapPtr, 3U, str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str, "String 3");
CefString key;
key.FromASCII("Key 2");
size_t size = cef_string_multimap_find_count(mapPtr, key.GetStruct());
EXPECT_EQ(size, 2U);
ret = cef_string_multimap_enumerate(mapPtr, key.GetStruct(), 0U,
str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str.ToString().find("String 2"), 0U);
ret = cef_string_multimap_enumerate(mapPtr, key.GetStruct(), 1U,
str.GetWritableStruct());
EXPECT_TRUE(ret);
EXPECT_EQ(str.ToString().find("String 2"), 0U);
cef_string_multimap_clear(mapPtr);
EXPECT_EQ(cef_string_multimap_size(mapPtr), 0U);
cef_string_multimap_free(mapPtr);
}
// Test that CefString ownership behaves as expected.
TEST(StringTest, Ownership) {
const char* test_cstr = "Test string";
// Initial owner makes a copy of |test_cstr|.
CefStringUTF8 str(test_cstr);
EXPECT_TRUE(str.IsOwner());
EXPECT_STREQ(test_cstr, str.c_str());
const char* str_str = str.c_str();
const auto str_struct = str.GetStruct();
EXPECT_NE(test_cstr, str_str);
// REFERENCE CREATION
// Take a reference (requires explicit use of GetStruct).
CefStringUTF8 str_ref(str.GetStruct());
// Nothing changes with |str|.
EXPECT_TRUE(str.IsOwner());
EXPECT_STREQ(test_cstr, str.c_str());
EXPECT_EQ(str.GetStruct(), str_struct);
EXPECT_EQ(str.c_str(), str_str);
// |str_ref| has the same value.
EXPECT_FALSE(str_ref.IsOwner());
EXPECT_STREQ(test_cstr, str_ref.c_str());
// Referencing the same structure and string.
EXPECT_EQ(str.GetStruct(), str_ref.GetStruct());
EXPECT_EQ(str.c_str(), str_ref.c_str());
// REFERENCE DETACH/ATTACH
// DetachToUserFree. |str_ref| loses its reference.
auto userfree = str_ref.DetachToUserFree();
// Nothing changes with |str|.
EXPECT_TRUE(str.IsOwner());
EXPECT_STREQ(test_cstr, str.c_str());
EXPECT_EQ(str.GetStruct(), str_struct);
EXPECT_EQ(str.c_str(), str_str);
// |str_ref| is now empty.
EXPECT_FALSE(str_ref.IsOwner());
EXPECT_TRUE(str_ref.empty());
EXPECT_EQ(nullptr, str_ref.GetStruct());
// AttachToUserFree. |str2| becomes an owner of the copy.
CefStringUTF8 str2;
str2.AttachToUserFree(userfree);
// Nothing changes with |str|.
EXPECT_TRUE(str.IsOwner());
EXPECT_STREQ(test_cstr, str.c_str());
EXPECT_EQ(str.GetStruct(), str_struct);
EXPECT_EQ(str.c_str(), str_str);
// |str2| is now an owner of a copy.
EXPECT_TRUE(str2.IsOwner());
EXPECT_STREQ(test_cstr, str2.c_str());
// Not referencing the same structure or string.
EXPECT_NE(str.GetStruct(), str2.GetStruct());
EXPECT_NE(str.c_str(), str2.c_str());
// |str_ref| is still empty.
EXPECT_FALSE(str_ref.IsOwner());
EXPECT_TRUE(str_ref.empty());
EXPECT_EQ(nullptr, str_ref.GetStruct());
// OWNER COPY CREATION
// Making a copy (default copy constructor behavior).
CefStringUTF8 str3(str);
// Nothing changes with |str|.
EXPECT_TRUE(str.IsOwner());
EXPECT_STREQ(test_cstr, str.c_str());
EXPECT_EQ(str.GetStruct(), str_struct);
EXPECT_EQ(str.c_str(), str_str);
// |str3| is now an owner of a copy.
EXPECT_TRUE(str3.IsOwner());
EXPECT_STREQ(test_cstr, str3.c_str());
// Not referencing the same structure or string.
EXPECT_NE(str.GetStruct(), str3.GetStruct());
EXPECT_NE(str.c_str(), str3.c_str());
// OWNER DETACH/ATTACH
// DetachToUserFree. |str3| loses its ownership.
const char* str3_str = str3.c_str();
auto userfree3 = str3.DetachToUserFree();
// Nothing changes with |str|.
EXPECT_TRUE(str.IsOwner());
EXPECT_STREQ(test_cstr, str.c_str());
EXPECT_EQ(str.GetStruct(), str_struct);
EXPECT_EQ(str.c_str(), str_str);
// |str3| is now empty.
EXPECT_FALSE(str3.IsOwner());
EXPECT_TRUE(str3.empty());
EXPECT_EQ(nullptr, str3.GetStruct());
// AttachToUserFree. |str3| regains its ownership.
str3.AttachToUserFree(userfree3);
// Nothing changes with |str|.
EXPECT_TRUE(str.IsOwner());
EXPECT_STREQ(test_cstr, str.c_str());
EXPECT_EQ(str.GetStruct(), str_struct);
EXPECT_EQ(str.c_str(), str_str);
// |str3| is now an owner of the same string that it had previously.
// The structure will also be re-allocated, but we don't test that because
// the same address might be reused.
EXPECT_TRUE(str3.IsOwner());
EXPECT_STREQ(test_cstr, str3.c_str());
EXPECT_EQ(str3_str, str3.c_str());
}
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