third_party/WebKit/Source/core/geometry/DOMMatrixTest.cpp

// Copyright 2016 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/geometry/DOMMatrix.h"

#include "bindings/core/v8/ExceptionState.h"
#include "bindings/core/v8/V8BindingForTesting.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace blink {

TEST(DOMMatrixTest, Fixup) {
  V8TestingScope scope;
  DOMMatrixInit init;

  EXPECT_FALSE(init.hasA());
  EXPECT_FALSE(init.hasB());
  EXPECT_FALSE(init.hasC());
  EXPECT_FALSE(init.hasD());
  EXPECT_FALSE(init.hasE());
  EXPECT_FALSE(init.hasF());
  EXPECT_FALSE(init.hasM11());
  EXPECT_FALSE(init.hasM12());
  EXPECT_FALSE(init.hasM21());
  EXPECT_FALSE(init.hasM22());
  EXPECT_FALSE(init.hasM41());
  EXPECT_FALSE(init.hasM42());

  init.setA(1.0);
  init.setB(2.0);
  init.setC(3.0);
  init.setD(4.0);
  init.setE(5.0);
  init.setF(6.0);

  EXPECT_TRUE(init.hasA());
  EXPECT_TRUE(init.hasB());
  EXPECT_TRUE(init.hasC());
  EXPECT_TRUE(init.hasD());
  EXPECT_TRUE(init.hasE());
  EXPECT_TRUE(init.hasF());
  EXPECT_FALSE(init.hasM11());
  EXPECT_FALSE(init.hasM12());
  EXPECT_FALSE(init.hasM21());
  EXPECT_FALSE(init.hasM22());
  EXPECT_FALSE(init.hasM41());
  EXPECT_FALSE(init.hasM42());

  DOMMatrix::fromMatrix(init, scope.GetExceptionState());

  EXPECT_TRUE(init.hasA());
  EXPECT_TRUE(init.hasB());
  EXPECT_TRUE(init.hasC());
  EXPECT_TRUE(init.hasD());
  EXPECT_TRUE(init.hasE());
  EXPECT_TRUE(init.hasF());
  EXPECT_TRUE(init.hasM11());
  EXPECT_TRUE(init.hasM12());
  EXPECT_TRUE(init.hasM21());
  EXPECT_TRUE(init.hasM22());
  EXPECT_TRUE(init.hasM41());
  EXPECT_TRUE(init.hasM42());
  EXPECT_EQ(1.0, init.m11());
  EXPECT_EQ(2.0, init.m12());
  EXPECT_EQ(3.0, init.m21());
  EXPECT_EQ(4.0, init.m22());
  EXPECT_EQ(5.0, init.m41());
  EXPECT_EQ(6.0, init.m42());
}

TEST(DOMMatrixTest, FixupWithFallback) {
  V8TestingScope scope;
  DOMMatrixInit init;

  EXPECT_FALSE(init.hasA());
  EXPECT_FALSE(init.hasB());
  EXPECT_FALSE(init.hasC());
  EXPECT_FALSE(init.hasD());
  EXPECT_FALSE(init.hasE());
  EXPECT_FALSE(init.hasF());
  EXPECT_FALSE(init.hasM11());
  EXPECT_FALSE(init.hasM12());
  EXPECT_FALSE(init.hasM21());
  EXPECT_FALSE(init.hasM22());
  EXPECT_FALSE(init.hasM41());
  EXPECT_FALSE(init.hasM42());

  DOMMatrix::fromMatrix(init, scope.GetExceptionState());

  EXPECT_TRUE(init.hasM11());
  EXPECT_TRUE(init.hasM12());
  EXPECT_TRUE(init.hasM21());
  EXPECT_TRUE(init.hasM22());
  EXPECT_TRUE(init.hasM41());
  EXPECT_TRUE(init.hasM42());
  EXPECT_EQ(1.0, init.m11());
  EXPECT_EQ(0.0, init.m12());
  EXPECT_EQ(0.0, init.m21());
  EXPECT_EQ(1.0, init.m22());
  EXPECT_EQ(0.0, init.m41());
  EXPECT_EQ(0.0, init.m42());
}

TEST(DOMMatrixTest, ThrowExceptionIfTwoValuesAreDifferent) {
  V8TestingScope scope;
  {
    DOMMatrixInit init;
    init.setA(1.0);
    init.setM11(2.0);
    DOMMatrix::fromMatrix(init, scope.GetExceptionState());
    EXPECT_TRUE(scope.GetExceptionState().HadException());
  }
  {
    DOMMatrixInit init;
    init.setB(1.0);
    init.setM12(2.0);
    DOMMatrix::fromMatrix(init, scope.GetExceptionState());
    EXPECT_TRUE(scope.GetExceptionState().HadException());
  }
  {
    DOMMatrixInit init;
    init.setC(1.0);
    init.setM21(2.0);
    DOMMatrix::fromMatrix(init, scope.GetExceptionState());
    EXPECT_TRUE(scope.GetExceptionState().HadException());
  }
  {
    DOMMatrixInit init;
    init.setD(1.0);
    init.setM22(2.0);
    DOMMatrix::fromMatrix(init, scope.GetExceptionState());
    EXPECT_TRUE(scope.GetExceptionState().HadException());
  }
  {
    DOMMatrixInit init;
    init.setE(1.0);
    init.setM41(2.0);
    DOMMatrix::fromMatrix(init, scope.GetExceptionState());
    EXPECT_TRUE(scope.GetExceptionState().HadException());
  }
  {
    DOMMatrixInit init;
    init.setF(1.0);
    init.setM42(2.0);
    DOMMatrix::fromMatrix(init, scope.GetExceptionState());
    EXPECT_TRUE(scope.GetExceptionState().HadException());
  }
}

}  // namespace blink