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Diffstat (limited to '')
| -rw-r--r-- | dom/bindings/test/TestFunctions.cpp | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/dom/bindings/test/TestFunctions.cpp b/dom/bindings/test/TestFunctions.cpp new file mode 100644 index 0000000000..c50b408704 --- /dev/null +++ b/dom/bindings/test/TestFunctions.cpp @@ -0,0 +1,315 @@ +/* -*- 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 "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 */ +TestFunctions* TestFunctions::Constructor(GlobalObject& aGlobal) { + return new 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 |