// Copyright 2015 PDFium 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 "public/fpdf_formfill.h"
#include "testing/embedder_test.h"
#include "testing/embedder_test_mock_delegate.h"
#include "testing/embedder_test_timer_handling_delegate.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"

using testing::_;
using testing::Return;

class FPDFFormFillEmbeddertest : public EmbedderTest {};

TEST_F(FPDFFormFillEmbeddertest, FirstTest) {
  EmbedderTestMockDelegate mock;
  EXPECT_CALL(mock, Alert(_, _, _, _)).Times(0);
  EXPECT_CALL(mock, UnsupportedHandler(_)).Times(0);
  EXPECT_CALL(mock, SetTimer(_, _)).Times(0);
  EXPECT_CALL(mock, KillTimer(_)).Times(0);
  SetDelegate(&mock);

  EXPECT_TRUE(OpenDocument("hello_world.pdf"));
  FPDF_PAGE page = LoadPage(0);
  EXPECT_TRUE(page);
  UnloadPage(page);
}

TEST_F(FPDFFormFillEmbeddertest, BUG_487928) {
  EmbedderTestTimerHandlingDelegate delegate;
  SetDelegate(&delegate);

  EXPECT_TRUE(OpenDocument("bug_487928.pdf"));
  FPDF_PAGE page = LoadPage(0);
  EXPECT_TRUE(page);
  DoOpenActions();
  delegate.AdvanceTime(5000);
  UnloadPage(page);
}

TEST_F(FPDFFormFillEmbeddertest, BUG_507316) {
  EmbedderTestTimerHandlingDelegate delegate;
  SetDelegate(&delegate);

  EXPECT_TRUE(OpenDocument("bug_507316.pdf"));
  FPDF_PAGE page = LoadAndCachePage(2);
  EXPECT_TRUE(page);
  DoOpenActions();
  delegate.AdvanceTime(4000);
  UnloadPage(page);
}

TEST_F(FPDFFormFillEmbeddertest, BUG_514690) {
  EXPECT_TRUE(OpenDocument("hello_world.pdf"));
  FPDF_PAGE page = LoadPage(0);
  EXPECT_TRUE(page);

  // Test that FORM_OnMouseMove() etc. permit null HANDLES and PAGES.
  FORM_OnMouseMove(nullptr, page, 0, 10.0, 10.0);
  FORM_OnMouseMove(form_handle(), nullptr, 0, 10.0, 10.0);

  UnloadPage(page);
}

#ifdef PDF_ENABLE_V8
TEST_F(FPDFFormFillEmbeddertest, BUG_551248) {
  // Test that timers fire once and intervals fire repeatedly.
  EmbedderTestTimerHandlingDelegate delegate;
  SetDelegate(&delegate);

  EXPECT_TRUE(OpenDocument("bug_551248.pdf"));
  FPDF_PAGE page = LoadPage(0);
  EXPECT_TRUE(page);
  DoOpenActions();

  const auto& alerts = delegate.GetAlerts();
  EXPECT_EQ(0U, alerts.size());

  delegate.AdvanceTime(1000);
  EXPECT_EQ(0U, alerts.size());  // nothing fired.
  delegate.AdvanceTime(1000);
  EXPECT_EQ(1U, alerts.size());  // interval fired.
  delegate.AdvanceTime(1000);
  EXPECT_EQ(2U, alerts.size());  // timer fired.
  delegate.AdvanceTime(1000);
  EXPECT_EQ(3U, alerts.size());  // interval fired again.
  delegate.AdvanceTime(1000);
  EXPECT_EQ(3U, alerts.size());  // nothing fired.
  delegate.AdvanceTime(1000);
  EXPECT_EQ(4U, alerts.size());  // interval fired again.
  delegate.AdvanceTime(1000);
  EXPECT_EQ(4U, alerts.size());  // nothing fired.
  UnloadPage(page);

  ASSERT_EQ(4U, alerts.size());  // nothing else fired.

  EXPECT_STREQ(L"interval fired", alerts[0].message.c_str());
  EXPECT_STREQ(L"Alert", alerts[0].title.c_str());
  EXPECT_EQ(0, alerts[0].type);
  EXPECT_EQ(0, alerts[0].icon);

  EXPECT_STREQ(L"timer fired", alerts[1].message.c_str());
  EXPECT_STREQ(L"Alert", alerts[1].title.c_str());
  EXPECT_EQ(0, alerts[1].type);
  EXPECT_EQ(0, alerts[1].icon);

  EXPECT_STREQ(L"interval fired", alerts[2].message.c_str());
  EXPECT_STREQ(L"Alert", alerts[2].title.c_str());
  EXPECT_EQ(0, alerts[2].type);
  EXPECT_EQ(0, alerts[2].icon);

  EXPECT_STREQ(L"interval fired", alerts[3].message.c_str());
  EXPECT_STREQ(L"Alert", alerts[3].title.c_str());
  EXPECT_EQ(0, alerts[3].type);
  EXPECT_EQ(0, alerts[3].icon);
}

TEST_F(FPDFFormFillEmbeddertest, BUG_620428) {
  // Test that timers and intervals are cancelable.
  EmbedderTestTimerHandlingDelegate delegate;
  SetDelegate(&delegate);

  EXPECT_TRUE(OpenDocument("bug_620428.pdf"));
  FPDF_PAGE page = LoadPage(0);
  EXPECT_TRUE(page);
  DoOpenActions();
  delegate.AdvanceTime(5000);
  UnloadPage(page);

  const auto& alerts = delegate.GetAlerts();
  ASSERT_EQ(1U, alerts.size());
  EXPECT_STREQ(L"done", alerts[0].message.c_str());
}

TEST_F(FPDFFormFillEmbeddertest, BUG_634394) {
  // Cancel timer inside timer callback.
  EmbedderTestTimerHandlingDelegate delegate;
  SetDelegate(&delegate);

  EXPECT_TRUE(OpenDocument("bug_634394.pdf"));
  FPDF_PAGE page = LoadPage(0);
  EXPECT_TRUE(page);
  DoOpenActions();

  // Timers fire at most once per AdvanceTime(), allow intervals
  // to fire several times if possible.
  delegate.AdvanceTime(1000);
  delegate.AdvanceTime(1000);
  delegate.AdvanceTime(1000);
  delegate.AdvanceTime(1000);
  delegate.AdvanceTime(1000);
  UnloadPage(page);

  const auto& alerts = delegate.GetAlerts();
  EXPECT_EQ(2U, alerts.size());
}

TEST_F(FPDFFormFillEmbeddertest, BUG_634716) {
  EmbedderTestTimerHandlingDelegate delegate;
  SetDelegate(&delegate);

  EXPECT_TRUE(OpenDocument("bug_634716.pdf"));
  FPDF_PAGE page = LoadPage(0);
  EXPECT_TRUE(page);
  DoOpenActions();

  // Timers fire at most once per AdvanceTime(), allow intervals
  // to fire several times if possible.
  delegate.AdvanceTime(1000);
  delegate.AdvanceTime(1000);
  delegate.AdvanceTime(1000);
  delegate.AdvanceTime(1000);
  delegate.AdvanceTime(1000);
  UnloadPage(page);

  const auto& alerts = delegate.GetAlerts();
  EXPECT_EQ(2U, alerts.size());
}

#endif  // PDF_ENABLE_V8