Source code
Revision control
Copy as Markdown
Other Tools
/* -*- 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,
#include "mozilla/dom/BindingUtils.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/TestFunctions.h"
#include "mozilla/dom/TestFunctionsBinding.h"
#include "mozilla/dom/WindowBinding.h"
#include "mozilla/dom/WrapperCachedNonISupportsTestInterface.h"
#include "nsStringBuffer.h"
#include "mozITestInterfaceJS.h"
#include "nsComponentManagerUtils.h"
#include "nsGlobalWindowInner.h"
namespace mozilla::dom {
/* static */
UniquePtr<TestFunctions> TestFunctions::Constructor(GlobalObject& aGlobal) {
return MakeUnique<TestFunctions>();
}
/* static */
void TestFunctions::ThrowUncatchableException(GlobalObject& aGlobal,
ErrorResult& aRv) {
aRv.ThrowUncatchableException();
}
/* static */
Promise* TestFunctions::PassThroughPromise(GlobalObject& aGlobal,
Promise& aPromise) {
return &aPromise;
}
/* static */
already_AddRefed<Promise> TestFunctions::PassThroughCallbackPromise(
GlobalObject& aGlobal, PromiseReturner& aCallback, ErrorResult& aRv) {
return aCallback.Call(aRv);
}
void TestFunctions::SetStringData(const nsAString& aString) {
mStringData = aString;
}
void TestFunctions::GetStringDataAsAString(nsAString& aString) {
aString = mStringData;
}
void TestFunctions::GetStringDataAsAString(uint32_t aLength,
nsAString& aString) {
MOZ_RELEASE_ASSERT(aLength <= mStringData.Length(),
"Bogus test passing in a too-big length");
aString.Assign(mStringData.BeginReading(), aLength);
}
void TestFunctions::GetStringDataAsDOMString(const Optional<uint32_t>& aLength,
DOMString& aString) {
uint32_t length;
if (aLength.WasPassed()) {
length = aLength.Value();
MOZ_RELEASE_ASSERT(length <= mStringData.Length(),
"Bogus test passing in a too-big length");
} else {
length = mStringData.Length();
}
nsStringBuffer* buf = nsStringBuffer::FromString(mStringData);
if (buf) {
aString.SetKnownLiveStringBuffer(buf, length);
return;
}
// We better have an empty mStringData; otherwise why did we not have a string
// buffer?
MOZ_RELEASE_ASSERT(length == 0, "Why no stringbuffer?");
// No need to do anything here; aString is already empty.
}
void TestFunctions::GetShortLiteralString(nsAString& aString) {
// JS inline strings can hold 2 * sizeof(void*) chars, which on 32-bit means 8
// chars. Return fewer than that.
aString.AssignLiteral(u"012345");
}
void TestFunctions::GetMediumLiteralString(nsAString& aString) {
// JS inline strings are at most 2 * sizeof(void*) chars, so at most 16 on
// 64-bit. FakeString can hold 63 chars in its inline buffer (plus the null
// terminator). Let's return 40 chars; that way if we ever move to 128-bit
// void* or something this test will still be valid.
aString.AssignLiteral(u"0123456789012345678901234567890123456789");
}
void TestFunctions::GetLongLiteralString(nsAString& aString) {
// Need more than 64 chars.
aString.AssignLiteral(
u"0123456789012345678901234567890123456789" // 40
"0123456789012345678901234567890123456789" // 80
);
}
void TestFunctions::GetStringbufferString(const nsAString& aInput,
nsAString& aRetval) {
// We have to be a bit careful: if aRetval is an autostring, if we just assign
// it won't cause stringbuffer allocation. So we have to round-trip through
// something that definitely causes a stringbuffer allocation.
nsString str;
// Can't use operator= here, because if aInput is a literal string then str
// would end up the same way.
str.Assign(aInput.BeginReading(), aInput.Length());
// Now we might end up hitting our external string cache and getting the wrong
// sort of external string, so replace the last char by a different value
// (replacing, not just appending, to preserve the length). If we have an
// empty string, our caller screwed up and there's not much we can do for
// them.
if (str.Length() > 1) {
char16_t last = str[str.Length() - 1];
str.Truncate(str.Length() - 1);
if (last == 'x') {
str.Append('y');
} else {
str.Append('x');
}
}
// Here we use operator= to preserve stringbufferness.
aRetval = str;
}
StringType TestFunctions::GetStringType(const nsAString& aString) {
if (aString.IsLiteral()) {
return StringType::Literal;
}
if (nsStringBuffer::FromString(aString)) {
return StringType::Stringbuffer;
}
if (aString.GetDataFlags() & nsAString::DataFlags::INLINE) {
return StringType::Inline;
}
return StringType::Other;
}
bool TestFunctions::StringbufferMatchesStored(const nsAString& aString) {
return nsStringBuffer::FromString(aString) &&
nsStringBuffer::FromString(aString) ==
nsStringBuffer::FromString(mStringData);
}
void TestFunctions::TestThrowNsresult(ErrorResult& aError) {
nsCOMPtr<mozITestInterfaceJS> impl =
do_CreateInstance("@mozilla.org/dom/test-interface-js;1");
aError = impl->TestThrowNsresult();
}
void TestFunctions::TestThrowNsresultFromNative(ErrorResult& aError) {
nsCOMPtr<mozITestInterfaceJS> impl =
do_CreateInstance("@mozilla.org/dom/test-interface-js;1");
aError = impl->TestThrowNsresultFromNative();
}
already_AddRefed<Promise> TestFunctions::ThrowToRejectPromise(
GlobalObject& aGlobal, ErrorResult& aError) {
aError.Throw(NS_ERROR_DOM_INVALID_STATE_ERR);
return nullptr;
}
int32_t TestFunctions::One() const { return 1; }
int32_t TestFunctions::Two() const { return 2; }
void TestFunctions::SetClampedNullableOctet(const Nullable<uint8_t>& aOctet) {
mClampedNullableOctet = aOctet;
}
Nullable<uint8_t> TestFunctions::GetClampedNullableOctet() const {
return mClampedNullableOctet;
}
void TestFunctions::SetEnforcedNullableOctet(const Nullable<uint8_t>& aOctet) {
mEnforcedNullableOctet = aOctet;
}
Nullable<uint8_t> TestFunctions::GetEnforcedNullableOctet() const {
return mEnforcedNullableOctet;
}
void TestFunctions::SetArrayBufferView(const ArrayBufferView& aBuffer) {}
void TestFunctions::GetArrayBufferView(JSContext* aCx,
JS::Handle<JSObject*> aObj,
JS::MutableHandle<JSObject*> aRetval,
ErrorResult& aError) {
aError.Throw(NS_ERROR_NOT_IMPLEMENTED);
}
void TestFunctions::SetAllowSharedArrayBufferView(
const ArrayBufferView& aBuffer) {}
void TestFunctions::GetAllowSharedArrayBufferView(
JSContext* aCx, JS::Handle<JSObject*> aObj,
JS::MutableHandle<JSObject*> aRetval, ErrorResult& aError) {
aError.Throw(NS_ERROR_NOT_IMPLEMENTED);
}
void TestFunctions::SetSequenceOfArrayBufferView(
const Sequence<ArrayBufferView>& aBuffers) {}
void TestFunctions::GetSequenceOfArrayBufferView(JSContext* aCx,
JS::Handle<JSObject*> aObj,
nsTArray<JSObject*>& aRetval,
ErrorResult& aError) {
aError.Throw(NS_ERROR_NOT_IMPLEMENTED);
}
void TestFunctions::SetSequenceOfAllowSharedArrayBufferView(
const Sequence<ArrayBufferView>& aBuffers) {}
void TestFunctions::GetSequenceOfAllowSharedArrayBufferView(
JSContext* aCx, JS::Handle<JSObject*> aObj, nsTArray<JSObject*>& aRetval,
ErrorResult& aError) {
aError.Throw(NS_ERROR_NOT_IMPLEMENTED);
}
void TestFunctions::SetArrayBuffer(const ArrayBuffer& aBuffer) {}
void TestFunctions::GetArrayBuffer(JSContext* aCx, JS::Handle<JSObject*> aObj,
JS::MutableHandle<JSObject*> aRetval,
ErrorResult& aError) {
aError.Throw(NS_ERROR_NOT_IMPLEMENTED);
}
void TestFunctions::SetAllowSharedArrayBuffer(const ArrayBuffer& aBuffer) {}
void TestFunctions::GetAllowSharedArrayBuffer(
JSContext* aCx, JS::Handle<JSObject*> aObj,
JS::MutableHandle<JSObject*> aRetval, ErrorResult& aError) {
aError.Throw(NS_ERROR_NOT_IMPLEMENTED);
}
void TestFunctions::SetSequenceOfArrayBuffer(
const Sequence<ArrayBuffer>& aBuffers) {}
void TestFunctions::GetSequenceOfArrayBuffer(JSContext* aCx,
JS::Handle<JSObject*> aObj,
nsTArray<JSObject*>& aRetval,
ErrorResult& aError) {
aError.Throw(NS_ERROR_NOT_IMPLEMENTED);
}
void TestFunctions::SetSequenceOfAllowSharedArrayBuffer(
const Sequence<ArrayBuffer>& aBuffers) {}
void TestFunctions::GetSequenceOfAllowSharedArrayBuffer(
JSContext* aCx, JS::Handle<JSObject*> aObj, nsTArray<JSObject*>& aRetval,
ErrorResult& aError) {
aError.Throw(NS_ERROR_NOT_IMPLEMENTED);
}
void TestFunctions::TestNotAllowShared(const ArrayBufferView& aBuffer) {}
void TestFunctions::TestNotAllowShared(const ArrayBuffer& aBuffer) {}
void TestFunctions::TestNotAllowShared(const nsAString& aBuffer) {}
void TestFunctions::TestAllowShared(const ArrayBufferView& aBuffer) {}
void TestFunctions::TestAllowShared(const ArrayBuffer& aBuffer) {}
void TestFunctions::TestDictWithAllowShared(
const DictWithAllowSharedBufferSource& aDict) {}
void TestFunctions::TestUnionOfBuffferSource(
const ArrayBufferOrArrayBufferViewOrString& aUnion) {}
void TestFunctions::TestUnionOfAllowSharedBuffferSource(
const MaybeSharedArrayBufferOrMaybeSharedArrayBufferView& aUnion) {}
bool TestFunctions::ObjectFromAboutBlank(JSContext* aCx, JSObject* aObj) {
// We purposefully don't use WindowOrNull here, because we want to
// demonstrate the incorrect behavior we get, not just fail some asserts.
RefPtr<nsGlobalWindowInner> win;
UNWRAP_MAYBE_CROSS_ORIGIN_OBJECT(Window, aObj, win, aCx);
if (!win) {
return false;
}
Document* doc = win->GetDoc();
if (!doc) {
return false;
}
return doc->GetDocumentURI()->GetSpecOrDefault().EqualsLiteral("about:blank");
}
WrapperCachedNonISupportsTestInterface*
TestFunctions::WrapperCachedNonISupportsObject() {
if (!mWrapperCachedNonISupportsTestInterface) {
mWrapperCachedNonISupportsTestInterface =
new WrapperCachedNonISupportsTestInterface();
}
return mWrapperCachedNonISupportsTestInterface;
}
bool TestFunctions::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto,
JS::MutableHandle<JSObject*> aWrapper) {
return TestFunctions_Binding::Wrap(aCx, this, aGivenProto, aWrapper);
}
} // namespace mozilla::dom