// 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 <utility>

#include "base/message_loop/message_loop.h"
#include "mojo/public/interfaces/bindings/tests/test_structs.mojom.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace mojo {
namespace test {

namespace {

RectPtr CreateRect() {
  RectPtr r = Rect::New();
  r->x = 1;
  r->y = 2;
  r->width = 3;
  r->height = 4;
  return r;
}

using EqualsTest = testing::Test;

}  // namespace

TEST_F(EqualsTest, NullStruct) {
  RectPtr r1;
  RectPtr r2;
  EXPECT_TRUE(r1.Equals(r2));
  EXPECT_TRUE(r2.Equals(r1));

  r1 = CreateRect();
  EXPECT_FALSE(r1.Equals(r2));
  EXPECT_FALSE(r2.Equals(r1));
}

TEST_F(EqualsTest, Struct) {
  RectPtr r1(CreateRect());
  RectPtr r2(r1.Clone());
  EXPECT_TRUE(r1.Equals(r2));
  r2->y = 1;
  EXPECT_FALSE(r1.Equals(r2));
  r2.reset();
  EXPECT_FALSE(r1.Equals(r2));
}

TEST_F(EqualsTest, StructNested) {
  RectPairPtr p1(RectPair::New());
  p1->first = CreateRect();
  p1->second = CreateRect();
  RectPairPtr p2(p1.Clone());
  EXPECT_TRUE(p1.Equals(p2));
  p2->second->width = 0;
  EXPECT_FALSE(p1.Equals(p2));
  p2->second.reset();
  EXPECT_FALSE(p1.Equals(p2));
}

TEST_F(EqualsTest, Array) {
  NamedRegionPtr n1(NamedRegion::New());
  n1->name.emplace("n1");
  n1->rects.emplace();
  n1->rects->push_back(CreateRect());
  NamedRegionPtr n2(n1.Clone());
  EXPECT_TRUE(n1.Equals(n2));

  n2->rects = base::nullopt;
  EXPECT_FALSE(n1.Equals(n2));
  n2->rects.emplace();
  EXPECT_FALSE(n1.Equals(n2));

  n2->rects->push_back(CreateRect());
  n2->rects->push_back(CreateRect());
  EXPECT_FALSE(n1.Equals(n2));

  n2->rects->resize(1);
  (*n2->rects)[0]->width = 0;
  EXPECT_FALSE(n1.Equals(n2));

  (*n2->rects)[0] = CreateRect();
  EXPECT_TRUE(n1.Equals(n2));
}

TEST_F(EqualsTest, Map) {
  auto n1(NamedRegion::New());
  n1->name.emplace("foo");
  n1->rects.emplace();
  n1->rects->push_back(CreateRect());

  Map<std::string, NamedRegionPtr> m1;
  m1.insert("foo", std::move(n1));

  decltype(m1) m2;
  EXPECT_FALSE(m1.Equals(m2));

  m2.insert("bar", m1.at("foo").Clone());
  EXPECT_FALSE(m1.Equals(m2));

  m2 = m1.Clone();
  m2.at("foo")->name.emplace("monkey");
  EXPECT_FALSE(m1.Equals(m2));

  m2 = m1.Clone();
  m2.at("foo")->rects->push_back(Rect::New());
  EXPECT_FALSE(m1.Equals(m2));

  m2.at("foo")->rects->resize(1);
  (*m2.at("foo")->rects)[0]->width = 1;
  EXPECT_FALSE(m1.Equals(m2));

  m2 = m1.Clone();
  EXPECT_TRUE(m1.Equals(m2));
}

TEST_F(EqualsTest, InterfacePtr) {
  base::MessageLoop message_loop;

  SomeInterfacePtr inf1;
  SomeInterfacePtr inf2;

  EXPECT_TRUE(inf1.Equals(inf1));
  EXPECT_TRUE(inf1.Equals(inf2));

  auto inf1_request = GetProxy(&inf1);
  ALLOW_UNUSED_LOCAL(inf1_request);

  EXPECT_TRUE(inf1.Equals(inf1));
  EXPECT_FALSE(inf1.Equals(inf2));

  auto inf2_request = GetProxy(&inf2);
  ALLOW_UNUSED_LOCAL(inf2_request);

  EXPECT_FALSE(inf1.Equals(inf2));
}

TEST_F(EqualsTest, InterfaceRequest) {
  base::MessageLoop message_loop;

  InterfaceRequest<SomeInterface> req1;
  InterfaceRequest<SomeInterface> req2;

  EXPECT_TRUE(req1.Equals(req1));
  EXPECT_TRUE(req1.Equals(req2));

  SomeInterfacePtr inf1;
  req1 = GetProxy(&inf1);

  EXPECT_TRUE(req1.Equals(req1));
  EXPECT_FALSE(req1.Equals(req2));

  SomeInterfacePtr inf2;
  req2 = GetProxy(&inf2);

  EXPECT_FALSE(req1.Equals(req2));
}

}  // test
}  // mojo