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firefox/dom/indexedDB/test/gtest/TestKey.cpp
Daniel Baumann 5e9a113729
Adding upstream version 140.0. 
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-25 09:37:52 +02:00

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 "gtest/gtest.h"
#include "mozilla/dom/SimpleGlobalObject.h"
#include "mozilla/dom/ScriptSettings.h"
#include "mozilla/dom/indexedDB/Key.h"
#include "mozilla/IntegerRange.h"
#include "mozilla/Unused.h"
#include "js/Array.h" // JS::GetArrayLength, JS::IsArrayObject, JS::NewArrayObject
#include "js/ArrayBuffer.h"
#include "js/PropertyAndElement.h" // JS_GetElement, JS_SetElement
#include "js/RootingAPI.h"
#include "js/String.h"
#include "js/TypeDecls.h"
#include "js/Value.h"
// TODO: This PrintTo overload is defined in dom/media/gtest/TestGroupId.cpp.
// However, it is not used, probably because of
// https://stackoverflow.com/a/36941270
void PrintTo(const nsString& value, std::ostream* os);
using namespace mozilla;
using namespace mozilla::dom::indexedDB;
using JS::Rooted;
// DOM_IndexedDB_Key_Ctor tests test the construction of a Key, and check the
// properties of the constructed key with the const methods afterwards. The
// tested ctors include the default ctor, which constructs an unset key, and the
// ctors that accepts an encoded buffer, which is then decoded using the
// Key::To* method corresponding to its type.
//
// So far, only some cases are tested:
// - scalar binary
// -- empty
// -- with 1-byte encoded representation
// - scalar string
// -- empty
// -- with 1-byte encoded representation
//
// TODO More test cases should be added, including
// - empty (?)
// - scalar binary
// -- containing 0 byte(s)
// -- with 2-byte encoded representation
// - scalar string
// -- with 2-byte and 3-byte encoded representation
// - scalar number
// - scalar date
// - arrays, incl. nested arrays, with various combinations of contained types
TEST(DOM_IndexedDB_Key, Ctor_Default)
{
auto key = Key{};
EXPECT_TRUE(key.IsUnset());
}
// TODO does such a helper function already exist?
template <size_t N>
static auto BufferAsCString(const uint8_t (&aBuffer)[N]) {
return nsCString{reinterpret_cast<const char*>(
static_cast<std::decay_t<const uint8_t[]>>(aBuffer)),
N};
}
static void ExpectKeyIsBinary(const Key& aKey) {
EXPECT_FALSE(aKey.IsUnset());
EXPECT_FALSE(aKey.IsArray());
EXPECT_TRUE(aKey.IsBinary());
EXPECT_FALSE(aKey.IsDate());
EXPECT_FALSE(aKey.IsFloat());
EXPECT_FALSE(aKey.IsString());
}
static void ExpectKeyIsString(const Key& aKey) {
EXPECT_FALSE(aKey.IsUnset());
EXPECT_FALSE(aKey.IsArray());
EXPECT_FALSE(aKey.IsBinary());
EXPECT_FALSE(aKey.IsDate());
EXPECT_FALSE(aKey.IsFloat());
EXPECT_TRUE(aKey.IsString());
}
static void ExpectKeyIsArray(const Key& aKey) {
EXPECT_FALSE(aKey.IsUnset());
EXPECT_TRUE(aKey.IsArray());
EXPECT_FALSE(aKey.IsBinary());
EXPECT_FALSE(aKey.IsDate());
EXPECT_FALSE(aKey.IsFloat());
EXPECT_FALSE(aKey.IsString());
}
static JSObject* ExpectArrayBufferObject(const JS::Value& aValue) {
EXPECT_TRUE(aValue.isObject());
auto& object = aValue.toObject();
EXPECT_TRUE(JS::IsArrayBufferObject(&object));
return &object;
}
static JSObject* ExpectArrayObject(JSContext* const aContext,
JS::Handle<JS::Value> aValue) {
EXPECT_TRUE(aValue.isObject());
bool rv;
EXPECT_TRUE(JS::IsArrayObject(aContext, aValue, &rv));
EXPECT_TRUE(rv);
return &aValue.toObject();
}
static void CheckArrayBuffer(const nsCString& aExpected,
const JS::Value& aActual) {
auto obj = ExpectArrayBufferObject(aActual);
size_t length;
bool isSharedMemory;
uint8_t* data;
JS::GetArrayBufferLengthAndData(obj, &length, &isSharedMemory, &data);
EXPECT_EQ(aExpected.Length(), length);
EXPECT_EQ(0, memcmp(aExpected.get(), data, length));
}
static void CheckString(JSContext* const aContext, const nsString& aExpected,
JS::Handle<JS::Value> aActual) {
EXPECT_TRUE(aActual.isString());
int32_t rv;
EXPECT_TRUE(JS_CompareStrings(aContext,
JS_NewUCStringCopyZ(aContext, aExpected.get()),
aActual.toString(), &rv));
EXPECT_EQ(0, rv);
}
namespace {
// This is modeled after dom/base/test/gtest/TestContentUtils.cpp
struct AutoTestJSContext {
AutoTestJSContext()
: mGlobalObject(
mozilla::dom::RootingCx(),
mozilla::dom::SimpleGlobalObject::Create(
mozilla::dom::SimpleGlobalObject::GlobalType::BindingDetail)) {
EXPECT_TRUE(mJsAPI.Init(mGlobalObject));
mContext = mJsAPI.cx();
}
operator JSContext*() const { return mContext; }
private:
Rooted<JSObject*> mGlobalObject;
mozilla::dom::AutoJSAPI mJsAPI;
JSContext* mContext;
};
// The following classes serve as base classes for the parametrized tests below.
// The name of each class reflects the parameter type.
class TestWithParam_CString_ArrayBuffer_Pair
: public ::testing::TestWithParam<std::pair<nsCString, nsLiteralCString>> {
};
class TestWithParam_CString_String_Pair
: public ::testing::TestWithParam<std::pair<nsCString, nsLiteralString>> {};
class TestWithParam_LiteralString
: public ::testing::TestWithParam<nsLiteralString> {};
class TestWithParam_StringArray
: public ::testing::TestWithParam<std::vector<nsString>> {};
class TestWithParam_ArrayBufferArray
: public ::testing::TestWithParam<std::vector<nsCString>> {};
} // namespace
TEST_P(TestWithParam_CString_ArrayBuffer_Pair, Ctor_EncodedBinary) {
const auto key = Key{GetParam().first};
ExpectKeyIsBinary(key);
AutoTestJSContext context;
Rooted<JS::Value> rv(context);
EXPECT_EQ(NS_OK, key.ToJSVal(context, &rv));
CheckArrayBuffer(GetParam().second, rv);
}
static const uint8_t zeroLengthBinaryEncodedBuffer[] = {Key::eBinary};
static const uint8_t nonZeroLengthBinaryEncodedBuffer[] = {Key::eBinary,
'a' + 1, 'b' + 1};
INSTANTIATE_TEST_SUITE_P(
DOM_IndexedDB_Key, TestWithParam_CString_ArrayBuffer_Pair,
::testing::Values(
std::make_pair(BufferAsCString(zeroLengthBinaryEncodedBuffer), ""_ns),
std::make_pair(BufferAsCString(nonZeroLengthBinaryEncodedBuffer),
"ab"_ns)));
TEST_P(TestWithParam_CString_String_Pair, Ctor_EncodedString) {
const auto key = Key{GetParam().first};
ExpectKeyIsString(key);
EXPECT_EQ(GetParam().second, key.ToString());
}
static const uint8_t zeroLengthStringEncodedBuffer[] = {Key::eString};
static const uint8_t nonZeroLengthStringEncodedBuffer[] = {Key::eString,
'a' + 1, 'b' + 1};
INSTANTIATE_TEST_SUITE_P(
DOM_IndexedDB_Key, TestWithParam_CString_String_Pair,
::testing::Values(
std::make_pair(BufferAsCString(zeroLengthStringEncodedBuffer), u""_ns),
std::make_pair(BufferAsCString(nonZeroLengthStringEncodedBuffer),
u"ab"_ns)));
TEST_P(TestWithParam_LiteralString, SetFromString) {
auto key = Key{};
const auto result = key.SetFromString(GetParam());
EXPECT_TRUE(result.isOk());
ExpectKeyIsString(key);
EXPECT_EQ(GetParam(), key.ToString());
}
INSTANTIATE_TEST_SUITE_P(DOM_IndexedDB_Key, TestWithParam_LiteralString,
::testing::Values(u""_ns, u"abc"_ns, u"\u007f"_ns,
u"\u0080"_ns, u"\u1fff"_ns,
u"\u7fff"_ns, u"\u8000"_ns,
u"\uffff"_ns));
static JS::Value CreateArrayBufferValue(JSContext* const aContext,
const size_t aSize, char* const aData) {
mozilla::UniquePtr<void, JS::FreePolicy> ptr{aData};
Rooted<JSObject*> arrayBuffer{aContext, JS::NewArrayBufferWithContents(
aContext, aSize, std::move(ptr))};
EXPECT_TRUE(arrayBuffer);
return JS::ObjectValue(*arrayBuffer);
}
// This tests calling SetFromJSVal with an ArrayBuffer scalar of length 0.
// TODO Probably there should be more test cases for SetFromJSVal with other
// ArrayBuffer scalars, which convert this into a parametrized test as well.
TEST(DOM_IndexedDB_Key, SetFromJSVal_ZeroLengthArrayBuffer)
{
AutoTestJSContext context;
auto key = Key{};
Rooted<JS::Value> arrayBuffer(context,
CreateArrayBufferValue(context, 0, nullptr));
const auto result = key.SetFromJSVal(context, arrayBuffer);
EXPECT_TRUE(result.isOk());
ExpectKeyIsBinary(key);
Rooted<JS::Value> rv2(context);
EXPECT_EQ(NS_OK, key.ToJSVal(context, &rv2));
CheckArrayBuffer(""_ns, rv2);
}
template <typename CheckElement>
static void CheckArray(JSContext* const context,
JS::Handle<JS::Value> arrayValue,
const size_t expectedLength,
const CheckElement& checkElement) {
Rooted<JSObject*> actualArray(context,
ExpectArrayObject(context, arrayValue));
uint32_t actualLength;
EXPECT_TRUE(JS::GetArrayLength(context, actualArray, &actualLength));
EXPECT_EQ(expectedLength, actualLength);
for (size_t i = 0; i < expectedLength; ++i) {
Rooted<JS::Value> element(static_cast<JSContext*>(context));
EXPECT_TRUE(JS_GetElement(context, actualArray, i, &element));
checkElement(i, element);
}
}
static JS::Value CreateArrayBufferArray(
JSContext* const context, const std::vector<nsCString>& elements) {
Rooted<JSObject*> arrayObject(context,
JS::NewArrayObject(context, elements.size()));
EXPECT_TRUE(arrayObject);
Rooted<JS::Value> arrayBuffer(context);
for (size_t i = 0; i < elements.size(); ++i) {
// TODO strdup only works if the element is actually 0-terminated
arrayBuffer = CreateArrayBufferValue(
context, elements[i].Length(),
elements[i].Length() ? strdup(elements[i].get()) : nullptr);
EXPECT_TRUE(JS_SetElement(context, arrayObject, i, arrayBuffer));
}
return JS::ObjectValue(*arrayObject);
}
TEST_P(TestWithParam_ArrayBufferArray, SetFromJSVal) {
const auto& elements = GetParam();
AutoTestJSContext context;
Rooted<JS::Value> arrayValue(context);
arrayValue = CreateArrayBufferArray(context, elements);
auto key = Key{};
const auto result = key.SetFromJSVal(context, arrayValue);
EXPECT_TRUE(result.isOk());
ExpectKeyIsArray(key);
Rooted<JS::Value> rv2(context);
EXPECT_EQ(NS_OK, key.ToJSVal(context, &rv2));
CheckArray(context, rv2, elements.size(),
[&elements](const size_t i, const JS::HandleValue& element) {
CheckArrayBuffer(elements[i], element);
});
}
const uint8_t element2[] = "foo";
INSTANTIATE_TEST_SUITE_P(
DOM_IndexedDB_Key, TestWithParam_ArrayBufferArray,
testing::Values(std::vector<nsCString>{}, std::vector<nsCString>{""_ns},
std::vector<nsCString>{""_ns, BufferAsCString(element2)}));
static JS::Value CreateStringValue(JSContext* const context,
const nsString& string) {
JSString* str = JS_NewUCStringCopyZ(context, string.get());
EXPECT_TRUE(str);
return JS::StringValue(str);
}
static JS::Value CreateStringArray(JSContext* const context,
const std::vector<nsString>& elements) {
Rooted<JSObject*> array(context,
JS::NewArrayObject(context, elements.size()));
EXPECT_TRUE(array);
for (size_t i = 0; i < elements.size(); ++i) {
Rooted<JS::Value> string(context, CreateStringValue(context, elements[i]));
EXPECT_TRUE(JS_SetElement(context, array, i, string));
}
return JS::ObjectValue(*array);
}
TEST_P(TestWithParam_StringArray, SetFromJSVal) {
const auto& elements = GetParam();
AutoTestJSContext context;
Rooted<JS::Value> arrayValue(context, CreateStringArray(context, elements));
auto key = Key{};
const auto result = key.SetFromJSVal(context, arrayValue);
EXPECT_TRUE(result.isOk());
ExpectKeyIsArray(key);
Rooted<JS::Value> rv2(context);
EXPECT_EQ(NS_OK, key.ToJSVal(context, &rv2));
CheckArray(
context, rv2, elements.size(),
[&elements, &context](const size_t i, JS::Handle<JS::Value> element) {
CheckString(context, elements[i], element);
});
}
INSTANTIATE_TEST_SUITE_P(
DOM_IndexedDB_Key, TestWithParam_StringArray,
testing::Values(std::vector<nsString>{u""_ns, u"abc\u0080\u1fff"_ns},
std::vector<nsString>{u"abc\u0080\u1fff"_ns,
u"abc\u0080\u1fff"_ns}));
TEST(DOM_IndexedDB_Key, CompareKeys_NonZeroLengthArrayBuffer)
{
AutoTestJSContext context;
const char buf[] = "abc\x80";
auto first = Key{};
Rooted<JS::Value> arrayBuffer1(
context, CreateArrayBufferValue(context, sizeof buf, strdup(buf)));
const auto result1 = first.SetFromJSVal(context, arrayBuffer1);
EXPECT_TRUE(result1.isOk());
auto second = Key{};
Rooted<JS::Value> arrayBuffer2(
context, CreateArrayBufferValue(context, sizeof buf, strdup(buf)));
const auto result2 = second.SetFromJSVal(context, arrayBuffer2);
EXPECT_TRUE(result2.isOk());
EXPECT_EQ(0, Key::CompareKeys(first, second));
}
constexpr auto kTestLocale = "e"_ns;
TEST(DOM_IndexedDB_Key, ToLocaleAwareKey_Empty)
{
const auto input = Key{};
auto res = input.ToLocaleAwareKey(kTestLocale);
EXPECT_TRUE(res.isOk());
EXPECT_TRUE(res.inspect().IsUnset());
}
TEST(DOM_IndexedDB_Key, ToLocaleAwareKey_Bug_1641598)
{
const auto buffer = [] {
nsCString res;
// This is the encoded representation produced by the test case from bug
// 1641598.
res.AppendLiteral("\x90\x01\x01\x01\x01\x00\x40");
for (const size_t unused : IntegerRange<size_t>(256)) {
Unused << unused;
res.AppendLiteral("\x01\x01\x80\x03\x43");
}
return res;
}();
const auto input = Key{buffer};
auto res = input.ToLocaleAwareKey(kTestLocale);
EXPECT_TRUE(res.isOk());
EXPECT_EQ(input, res.inspect());
}
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