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-rw-r--r--toolkit/components/url-classifier/tests/gtest/TestVariableLengthPrefixSet.cpp559
1 files changed, 0 insertions, 559 deletions
diff --git a/toolkit/components/url-classifier/tests/gtest/TestVariableLengthPrefixSet.cpp b/toolkit/components/url-classifier/tests/gtest/TestVariableLengthPrefixSet.cpp
deleted file mode 100644
index 9e380a9d3..000000000
--- a/toolkit/components/url-classifier/tests/gtest/TestVariableLengthPrefixSet.cpp
+++ /dev/null
@@ -1,559 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include <mozilla/RefPtr.h>
-#include "nsString.h"
-#include "nsTArray.h"
-#include "nsClassHashtable.h"
-#include "VariableLengthPrefixSet.h"
-#include "nsAppDirectoryServiceDefs.h"
-#include "nsIFile.h"
-#include "gtest/gtest.h"
-
-using namespace mozilla::safebrowsing;
-
-typedef nsCString _Prefix;
-typedef nsTArray<_Prefix> _PrefixArray;
-
-// Create fullhash by appending random characters.
-static nsCString* CreateFullHash(const nsACString& in)
-{
- nsCString* out = new nsCString(in);
- out->SetLength(32);
- for (size_t i = in.Length(); i < 32; i++) {
- out->SetCharAt(char(rand() % 256), i);
- }
-
- return out;
-}
-
-// This function generate N prefixes with size between MIN and MAX.
-// The output array will not be cleared, random result will append to it
-static void RandomPrefixes(uint32_t N, uint32_t MIN, uint32_t MAX, _PrefixArray& array)
-{
- array.SetCapacity(array.Length() + N);
-
- uint32_t range = (MAX - MIN + 1);
-
- for (uint32_t i = 0; i < N; i++) {
- uint32_t prefixSize = (rand() % range) + MIN;
- _Prefix prefix;
- prefix.SetLength(prefixSize);
-
- bool added = false;
- while(!added) {
- char* dst = prefix.BeginWriting();
- for (uint32_t j = 0; j < prefixSize; j++) {
- dst[j] = rand() % 256;
- }
-
- if (!array.Contains(prefix)) {
- array.AppendElement(prefix);
- added = true;
- }
- }
- }
-}
-
-static void CheckContent(VariableLengthPrefixSet* pset,
- PrefixStringMap& expected)
-{
- PrefixStringMap vlPSetMap;
- pset->GetPrefixes(vlPSetMap);
-
- for (auto iter = vlPSetMap.Iter(); !iter.Done(); iter.Next()) {
- nsCString* expectedPrefix = expected.Get(iter.Key());
- nsCString* resultPrefix = iter.Data();
-
- ASSERT_TRUE(resultPrefix->Equals(*expectedPrefix));
- }
-}
-
-// This test loops through all the prefixes and converts each prefix to
-// fullhash by appending random characters, each converted fullhash
-// should at least match its original length in the prefixSet.
-static void DoExpectedLookup(VariableLengthPrefixSet* pset,
- _PrefixArray& array)
-{
- uint32_t matchLength = 0;
- for (uint32_t i = 0; i < array.Length(); i++) {
- const nsCString& prefix = array[i];
- UniquePtr<nsCString> fullhash(CreateFullHash(prefix));
-
- // Find match for prefix-generated full hash
- pset->Matches(*fullhash, &matchLength);
- MOZ_ASSERT(matchLength != 0);
-
- if (matchLength != prefix.Length()) {
- // Return match size is not the same as prefix size.
- // In this case it could be because the generated fullhash match other
- // prefixes, check if this prefix exist.
- bool found = false;
-
- for (uint32_t j = 0; j < array.Length(); j++) {
- if (array[j].Length() != matchLength) {
- continue;
- }
-
- if (0 == memcmp(fullhash->BeginReading(),
- array[j].BeginReading(),
- matchLength)) {
- found = true;
- break;
- }
- }
- ASSERT_TRUE(found);
- }
- }
-}
-
-static void DoRandomLookup(VariableLengthPrefixSet* pset,
- uint32_t N,
- _PrefixArray& array)
-{
- for (uint32_t i = 0; i < N; i++) {
- // Random 32-bytes test fullhash
- char buf[32];
- for (uint32_t j = 0; j < 32; j++) {
- buf[j] = (char)(rand() % 256);
- }
-
- // Get the expected result.
- nsTArray<uint32_t> expected;
- for (uint32_t j = 0; j < array.Length(); j++) {
- const nsACString& str = array[j];
- if (0 == memcmp(buf, str.BeginReading(), str.Length())) {
- expected.AppendElement(str.Length());
- }
- }
-
- uint32_t matchLength = 0;
- pset->Matches(nsDependentCSubstring(buf, 32), &matchLength);
-
- ASSERT_TRUE(expected.IsEmpty() ? !matchLength : expected.Contains(matchLength));
- }
-}
-
-static void SetupPrefixMap(const _PrefixArray& array,
- PrefixStringMap& map)
-{
- map.Clear();
-
- // Buckets are keyed by prefix length and contain an array of
- // all prefixes of that length.
- nsClassHashtable<nsUint32HashKey, _PrefixArray> table;
-
- for (uint32_t i = 0; i < array.Length(); i++) {
- _PrefixArray* prefixes = table.Get(array[i].Length());
- if (!prefixes) {
- prefixes = new _PrefixArray();
- table.Put(array[i].Length(), prefixes);
- }
-
- prefixes->AppendElement(array[i]);
- }
-
- // The resulting map entries will be a concatenation of all
- // prefix data for the prefixes of a given size.
- for (auto iter = table.Iter(); !iter.Done(); iter.Next()) {
- uint32_t size = iter.Key();
- uint32_t count = iter.Data()->Length();
-
- _Prefix* str = new _Prefix();
- str->SetLength(size * count);
-
- char* dst = str->BeginWriting();
-
- iter.Data()->Sort();
- for (uint32_t i = 0; i < count; i++) {
- memcpy(dst, iter.Data()->ElementAt(i).get(), size);
- dst += size;
- }
-
- map.Put(size, str);
- }
-}
-
-
-// Test setting prefix set with only 4-bytes prefixes
-TEST(VariableLengthPrefixSet, FixedLengthSet)
-{
- srand(time(nullptr));
-
- RefPtr<VariableLengthPrefixSet> pset = new VariableLengthPrefixSet;
- pset->Init(NS_LITERAL_CSTRING("test"));
-
- PrefixStringMap map;
- _PrefixArray array = { _Prefix("alph"), _Prefix("brav"), _Prefix("char"),
- _Prefix("delt"), _Prefix("echo"), _Prefix("foxt"),
- };
-
- SetupPrefixMap(array, map);
- pset->SetPrefixes(map);
-
- DoExpectedLookup(pset, array);
-
- DoRandomLookup(pset, 1000, array);
-
- CheckContent(pset, map);
-
- // Run random test
- array.Clear();
- map.Clear();
-
- RandomPrefixes(1500, 4, 4, array);
-
- SetupPrefixMap(array, map);
- pset->SetPrefixes(map);
-
- DoExpectedLookup(pset, array);
-
- DoRandomLookup(pset, 1000, array);
-
- CheckContent(pset, map);
-}
-
-// Test setting prefix set with only 5~32 bytes prefixes
-TEST(VariableLengthPrefixSet, VariableLengthSet)
-{
- RefPtr<VariableLengthPrefixSet> pset = new VariableLengthPrefixSet;
- pset->Init(NS_LITERAL_CSTRING("test"));
-
- PrefixStringMap map;
- _PrefixArray array = { _Prefix("bravo"), _Prefix("charlie"), _Prefix("delta"),
- _Prefix("EchoEchoEchoEchoEcho"), _Prefix("foxtrot"),
- _Prefix("GolfGolfGolfGolfGolfGolfGolfGolf"),
- _Prefix("hotel"), _Prefix("november"),
- _Prefix("oscar"), _Prefix("quebec"), _Prefix("romeo"),
- _Prefix("sierrasierrasierrasierrasierra"),
- _Prefix("Tango"), _Prefix("whiskey"), _Prefix("yankee"),
- _Prefix("ZuluZuluZuluZulu")
- };
-
- SetupPrefixMap(array, map);
- pset->SetPrefixes(map);
-
- DoExpectedLookup(pset, array);
-
- DoRandomLookup(pset, 1000, array);
-
- CheckContent(pset, map);
-
- // Run random test
- array.Clear();
- map.Clear();
-
- RandomPrefixes(1500, 5, 32, array);
-
- SetupPrefixMap(array, map);
- pset->SetPrefixes(map);
-
- DoExpectedLookup(pset, array);
-
- DoRandomLookup(pset, 1000, array);
-
- CheckContent(pset, map);
-
-}
-
-// Test setting prefix set with both 4-bytes prefixes and 5~32 bytes prefixes
-TEST(VariableLengthPrefixSet, MixedPrefixSet)
-{
- RefPtr<VariableLengthPrefixSet> pset = new VariableLengthPrefixSet;
- pset->Init(NS_LITERAL_CSTRING("test"));
-
- PrefixStringMap map;
- _PrefixArray array = { _Prefix("enus"), _Prefix("apollo"), _Prefix("mars"),
- _Prefix("Hecatonchires cyclopes"),
- _Prefix("vesta"), _Prefix("neptunus"), _Prefix("jupiter"),
- _Prefix("diana"), _Prefix("minerva"), _Prefix("ceres"),
- _Prefix("Aidos,Adephagia,Adikia,Aletheia"),
- _Prefix("hecatonchires"), _Prefix("alcyoneus"), _Prefix("hades"),
- _Prefix("vulcanus"), _Prefix("juno"), _Prefix("mercury"),
- _Prefix("Stheno, Euryale and Medusa")
- };
-
- SetupPrefixMap(array, map);
- pset->SetPrefixes(map);
-
- DoExpectedLookup(pset, array);
-
- DoRandomLookup(pset, 1000, array);
-
- CheckContent(pset, map);
-
- // Run random test
- array.Clear();
- map.Clear();
-
- RandomPrefixes(1500, 4, 32, array);
-
- SetupPrefixMap(array, map);
- pset->SetPrefixes(map);
-
- DoExpectedLookup(pset, array);
-
- DoRandomLookup(pset, 1000, array);
-
- CheckContent(pset, map);
-}
-
-// Test resetting prefix set
-TEST(VariableLengthPrefixSet, ResetPrefix)
-{
- RefPtr<VariableLengthPrefixSet> pset = new VariableLengthPrefixSet;
- pset->Init(NS_LITERAL_CSTRING("test"));
-
- // First prefix set
- _PrefixArray array1 = { _Prefix("Iceland"), _Prefix("Peru"), _Prefix("Mexico"),
- _Prefix("Australia"), _Prefix("Japan"), _Prefix("Egypt"),
- _Prefix("America"), _Prefix("Finland"), _Prefix("Germany"),
- _Prefix("Italy"), _Prefix("France"), _Prefix("Taiwan"),
- };
- {
- PrefixStringMap map;
-
- SetupPrefixMap(array1, map);
- pset->SetPrefixes(map);
-
- DoExpectedLookup(pset, array1);
- }
-
- // Second
- _PrefixArray array2 = { _Prefix("Pikachu"), _Prefix("Bulbasaur"), _Prefix("Charmander"),
- _Prefix("Blastoise"), _Prefix("Pidgey"), _Prefix("Mewtwo"),
- _Prefix("Jigglypuff"), _Prefix("Persian"), _Prefix("Tentacool"),
- _Prefix("Onix"), _Prefix("Eevee"), _Prefix("Jynx"),
- };
- {
- PrefixStringMap map;
-
- SetupPrefixMap(array2, map);
- pset->SetPrefixes(map);
-
- DoExpectedLookup(pset, array2);
- }
-
- // Should not match any of the first prefix set
- uint32_t matchLength = 0;
- for (uint32_t i = 0; i < array1.Length(); i++) {
- UniquePtr<nsACString> fullhash(CreateFullHash(array1[i]));
-
- pset->Matches(*fullhash, &matchLength);
- ASSERT_TRUE(matchLength == 0);
- }
-}
-
-// Test only set one 4-bytes prefix and one full-length prefix
-TEST(VariableLengthPrefixSet, TinyPrefixSet)
-{
- RefPtr<VariableLengthPrefixSet> pset = new VariableLengthPrefixSet;
- pset->Init(NS_LITERAL_CSTRING("test"));
-
- PrefixStringMap map;
- _PrefixArray array = { _Prefix("AAAA"),
- _Prefix("11112222333344445555666677778888"),
- };
-
- SetupPrefixMap(array, map);
- pset->SetPrefixes(map);
-
- DoExpectedLookup(pset, array);
-
- DoRandomLookup(pset, 1000, array);
-
- CheckContent(pset, map);
-}
-
-// Test empty prefix set and IsEmpty function
-TEST(VariableLengthPrefixSet, EmptyPrefixSet)
-{
- RefPtr<VariableLengthPrefixSet> pset = new VariableLengthPrefixSet;
- pset->Init(NS_LITERAL_CSTRING("test"));
-
- bool empty;
- pset->IsEmpty(&empty);
- ASSERT_TRUE(empty);
-
- PrefixStringMap map;
- _PrefixArray array1;
-
- // Lookup an empty array should never match
- DoRandomLookup(pset, 100, array1);
-
- // Insert an 4-bytes prefix, then IsEmpty should return false
- _PrefixArray array2 = { _Prefix("test") };
- SetupPrefixMap(array2, map);
- pset->SetPrefixes(map);
-
- pset->IsEmpty(&empty);
- ASSERT_TRUE(!empty);
-
- _PrefixArray array3 = { _Prefix("test variable length") };
-
- // Insert an 5~32 bytes prefix, then IsEmpty should return false
- SetupPrefixMap(array3, map);
- pset->SetPrefixes(map);
-
- pset->IsEmpty(&empty);
- ASSERT_TRUE(!empty);
-}
-
-// Test prefix size should only between 4~32 bytes
-TEST(VariableLengthPrefixSet, MinMaxPrefixSet)
-{
- RefPtr<VariableLengthPrefixSet> pset = new VariableLengthPrefixSet;
- pset->Init(NS_LITERAL_CSTRING("test"));
-
- PrefixStringMap map;
- {
- _PrefixArray array = { _Prefix("1234"),
- _Prefix("ABCDEFGHIJKKMNOP"),
- _Prefix("1aaa2bbb3ccc4ddd5eee6fff7ggg8hhh") };
-
- SetupPrefixMap(array, map);
- nsresult rv = pset->SetPrefixes(map);
- ASSERT_TRUE(rv == NS_OK);
- }
-
- // Prefix size less than 4-bytes should fail
- {
- _PrefixArray array = { _Prefix("123") };
-
- SetupPrefixMap(array, map);
- nsresult rv = pset->SetPrefixes(map);
- ASSERT_TRUE(NS_FAILED(rv));
- }
-
- // Prefix size greater than 32-bytes should fail
- {
- _PrefixArray array = { _Prefix("1aaa2bbb3ccc4ddd5eee6fff7ggg8hhh9") };
-
- SetupPrefixMap(array, map);
- nsresult rv = pset->SetPrefixes(map);
- ASSERT_TRUE(NS_FAILED(rv));
- }
-}
-
-// Test save then load prefix set with only 4-bytes prefixes
-TEST(VariableLengthPrefixSet, LoadSaveFixedLengthPrefixSet)
-{
- RefPtr<VariableLengthPrefixSet> save = new VariableLengthPrefixSet;
- save->Init(NS_LITERAL_CSTRING("test-save"));
-
- _PrefixArray array;
- RandomPrefixes(10000, 4, 4, array);
-
- PrefixStringMap map;
- SetupPrefixMap(array, map);
- save->SetPrefixes(map);
-
- DoExpectedLookup(save, array);
-
- DoRandomLookup(save, 1000, array);
-
- CheckContent(save, map);
-
- nsCOMPtr<nsIFile> file;
- NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
- getter_AddRefs(file));
- file->Append(NS_LITERAL_STRING("test.vlpset"));
-
- save->StoreToFile(file);
-
- RefPtr<VariableLengthPrefixSet> load = new VariableLengthPrefixSet;
- load->Init(NS_LITERAL_CSTRING("test-load"));
-
- load->LoadFromFile(file);
-
- DoExpectedLookup(load, array);
-
- DoRandomLookup(load, 1000, array);
-
- CheckContent(load, map);
-
- file->Remove(false);
-}
-
-// Test save then load prefix set with only 5~32 bytes prefixes
-TEST(VariableLengthPrefixSet, LoadSaveVariableLengthPrefixSet)
-{
- RefPtr<VariableLengthPrefixSet> save = new VariableLengthPrefixSet;
- save->Init(NS_LITERAL_CSTRING("test-save"));
-
- _PrefixArray array;
- RandomPrefixes(10000, 5, 32, array);
-
- PrefixStringMap map;
- SetupPrefixMap(array, map);
- save->SetPrefixes(map);
-
- DoExpectedLookup(save, array);
-
- DoRandomLookup(save, 1000, array);
-
- CheckContent(save, map);
-
- nsCOMPtr<nsIFile> file;
- NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
- getter_AddRefs(file));
- file->Append(NS_LITERAL_STRING("test.vlpset"));
-
- save->StoreToFile(file);
-
- RefPtr<VariableLengthPrefixSet> load = new VariableLengthPrefixSet;
- load->Init(NS_LITERAL_CSTRING("test-load"));
-
- load->LoadFromFile(file);
-
- DoExpectedLookup(load, array);
-
- DoRandomLookup(load, 1000, array);
-
- CheckContent(load, map);
-
- file->Remove(false);
-}
-
-// Test save then load prefix with both 4 bytes prefixes and 5~32 bytes prefixes
-TEST(VariableLengthPrefixSet, LoadSavePrefixSet)
-{
- RefPtr<VariableLengthPrefixSet> save = new VariableLengthPrefixSet;
- save->Init(NS_LITERAL_CSTRING("test-save"));
-
- // Try to simulate the real case that most prefixes are 4bytes
- _PrefixArray array;
- RandomPrefixes(20000, 4, 4, array);
- RandomPrefixes(1000, 5, 32, array);
-
- PrefixStringMap map;
- SetupPrefixMap(array, map);
- save->SetPrefixes(map);
-
- DoExpectedLookup(save, array);
-
- DoRandomLookup(save, 1000, array);
-
- CheckContent(save, map);
-
- nsCOMPtr<nsIFile> file;
- NS_GetSpecialDirectory(NS_APP_USER_PROFILE_50_DIR,
- getter_AddRefs(file));
- file->Append(NS_LITERAL_STRING("test.vlpset"));
-
- save->StoreToFile(file);
-
- RefPtr<VariableLengthPrefixSet> load = new VariableLengthPrefixSet;
- load->Init(NS_LITERAL_CSTRING("test-load"));
-
- load->LoadFromFile(file);
-
- DoExpectedLookup(load, array);
-
- DoRandomLookup(load, 1000, array);
-
- CheckContent(load, map);
-
- file->Remove(false);
-}