third_party/WebKit/Source/core/animation/EffectInputTest.cpp

// Copyright 2014 The Chromium 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 "core/animation/EffectInput.h"

#include "bindings/core/v8/Dictionary.h"
#include "bindings/core/v8/DictionarySequenceOrDictionary.h"
#include "bindings/core/v8/V8BindingForTesting.h"
#include "core/animation/AnimationTestHelper.h"
#include "core/animation/KeyframeEffectModel.h"
#include "core/dom/Document.h"
#include "core/dom/Element.h"
#include "core/dom/ExceptionCode.h"
#include "core/testing/DummyPageHolder.h"
#include "testing/gtest/include/gtest/gtest.h"
#include <memory>
#include <v8.h>

namespace blink {

Element* appendElement(Document& document) {
  Element* element = document.createElement("foo");
  document.documentElement()->appendChild(element);
  return element;
}

TEST(AnimationEffectInputTest, SortedOffsets) {
  V8TestingScope scope;
  Vector<Dictionary> jsKeyframes;
  v8::Local<v8::Object> keyframe1 = v8::Object::New(scope.isolate());
  v8::Local<v8::Object> keyframe2 = v8::Object::New(scope.isolate());

  setV8ObjectPropertyAsString(scope.isolate(), keyframe1, "width", "100px");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe1, "offset", "0");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe2, "width", "0px");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe2, "offset", "1");

  jsKeyframes.append(
      Dictionary(scope.isolate(), keyframe1, scope.getExceptionState()));
  jsKeyframes.append(
      Dictionary(scope.isolate(), keyframe2, scope.getExceptionState()));

  Element* element = appendElement(scope.document());
  EffectModel* animationEffect = EffectInput::convert(
      element,
      DictionarySequenceOrDictionary::fromDictionarySequence(jsKeyframes),
      nullptr, scope.getExceptionState());
  EXPECT_FALSE(scope.getExceptionState().hadException());
  const KeyframeEffectModelBase& keyframeEffect =
      *toKeyframeEffectModelBase(animationEffect);
  EXPECT_EQ(1.0, keyframeEffect.getFrames()[1]->offset());
}

TEST(AnimationEffectInputTest, UnsortedOffsets) {
  V8TestingScope scope;
  Vector<Dictionary> jsKeyframes;
  v8::Local<v8::Object> keyframe1 = v8::Object::New(scope.isolate());
  v8::Local<v8::Object> keyframe2 = v8::Object::New(scope.isolate());

  setV8ObjectPropertyAsString(scope.isolate(), keyframe1, "width", "0px");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe1, "offset", "1");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe2, "width", "100px");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe2, "offset", "0");

  jsKeyframes.append(
      Dictionary(scope.isolate(), keyframe1, scope.getExceptionState()));
  jsKeyframes.append(
      Dictionary(scope.isolate(), keyframe2, scope.getExceptionState()));

  Element* element = appendElement(scope.document());
  EffectInput::convert(
      element,
      DictionarySequenceOrDictionary::fromDictionarySequence(jsKeyframes),
      nullptr, scope.getExceptionState());
  EXPECT_TRUE(scope.getExceptionState().hadException());
  EXPECT_EQ(V8TypeError, scope.getExceptionState().code());
}

TEST(AnimationEffectInputTest, LooslySorted) {
  V8TestingScope scope;
  Vector<Dictionary> jsKeyframes;
  v8::Local<v8::Object> keyframe1 = v8::Object::New(scope.isolate());
  v8::Local<v8::Object> keyframe2 = v8::Object::New(scope.isolate());
  v8::Local<v8::Object> keyframe3 = v8::Object::New(scope.isolate());

  setV8ObjectPropertyAsString(scope.isolate(), keyframe1, "width", "100px");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe1, "offset", "0");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe2, "width", "200px");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe3, "width", "0px");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe3, "offset", "1");

  jsKeyframes.append(
      Dictionary(scope.isolate(), keyframe1, scope.getExceptionState()));
  jsKeyframes.append(
      Dictionary(scope.isolate(), keyframe2, scope.getExceptionState()));
  jsKeyframes.append(
      Dictionary(scope.isolate(), keyframe3, scope.getExceptionState()));

  Element* element = appendElement(scope.document());
  EffectModel* animationEffect = EffectInput::convert(
      element,
      DictionarySequenceOrDictionary::fromDictionarySequence(jsKeyframes),
      nullptr, scope.getExceptionState());
  EXPECT_FALSE(scope.getExceptionState().hadException());
  const KeyframeEffectModelBase& keyframeEffect =
      *toKeyframeEffectModelBase(animationEffect);
  EXPECT_EQ(1, keyframeEffect.getFrames()[2]->offset());
}

TEST(AnimationEffectInputTest, OutOfOrderWithNullOffsets) {
  V8TestingScope scope;
  Vector<Dictionary> jsKeyframes;
  v8::Local<v8::Object> keyframe1 = v8::Object::New(scope.isolate());
  v8::Local<v8::Object> keyframe2 = v8::Object::New(scope.isolate());
  v8::Local<v8::Object> keyframe3 = v8::Object::New(scope.isolate());
  v8::Local<v8::Object> keyframe4 = v8::Object::New(scope.isolate());

  setV8ObjectPropertyAsString(scope.isolate(), keyframe1, "height", "100px");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe1, "offset", "0.5");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe2, "height", "150px");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe3, "height", "200px");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe3, "offset", "0");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe4, "height", "300px");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe4, "offset", "1");

  jsKeyframes.append(
      Dictionary(scope.isolate(), keyframe1, scope.getExceptionState()));
  jsKeyframes.append(
      Dictionary(scope.isolate(), keyframe2, scope.getExceptionState()));
  jsKeyframes.append(
      Dictionary(scope.isolate(), keyframe3, scope.getExceptionState()));
  jsKeyframes.append(
      Dictionary(scope.isolate(), keyframe4, scope.getExceptionState()));

  Element* element = appendElement(scope.document());
  EffectInput::convert(
      element,
      DictionarySequenceOrDictionary::fromDictionarySequence(jsKeyframes),
      nullptr, scope.getExceptionState());
  EXPECT_TRUE(scope.getExceptionState().hadException());
}

TEST(AnimationEffectInputTest, Invalid) {
  V8TestingScope scope;
  // Not loosely sorted by offset, and there exists a keyframe with null offset.
  Vector<Dictionary> jsKeyframes;
  v8::Local<v8::Object> keyframe1 = v8::Object::New(scope.isolate());
  v8::Local<v8::Object> keyframe2 = v8::Object::New(scope.isolate());
  v8::Local<v8::Object> keyframe3 = v8::Object::New(scope.isolate());

  setV8ObjectPropertyAsString(scope.isolate(), keyframe1, "width", "0px");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe1, "offset", "1");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe2, "width", "200px");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe3, "width", "100px");
  setV8ObjectPropertyAsString(scope.isolate(), keyframe3, "offset", "0");

  jsKeyframes.append(
      Dictionary(scope.isolate(), keyframe1, scope.getExceptionState()));
  jsKeyframes.append(
      Dictionary(scope.isolate(), keyframe2, scope.getExceptionState()));
  jsKeyframes.append(
      Dictionary(scope.isolate(), keyframe3, scope.getExceptionState()));

  Element* element = appendElement(scope.document());
  EffectInput::convert(
      element,
      DictionarySequenceOrDictionary::fromDictionarySequence(jsKeyframes),
      nullptr, scope.getExceptionState());
  EXPECT_TRUE(scope.getExceptionState().hadException());
  EXPECT_EQ(V8TypeError, scope.getExceptionState().code());
}

}  // namespace blink