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// Copyright 2017 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "fpdfsdk/pwl/cpwl_edit.h"
#include <utility>
#include "fpdfsdk/cpdfsdk_annotiterator.h"
#include "fpdfsdk/cpdfsdk_formfillenvironment.h"
#include "fpdfsdk/cpdfsdk_helpers.h"
#include "fpdfsdk/cpdfsdk_widget.h"
#include "fpdfsdk/formfiller/cffl_formfield.h"
#include "fpdfsdk/formfiller/cffl_interactiveformfiller.h"
#include "public/fpdf_fwlevent.h"
#include "testing/embedder_test.h"
#include "testing/gtest/include/gtest/gtest.h"
class CPWLEditEmbedderTest : public EmbedderTest {
protected:
void SetUp() override {
EmbedderTest::SetUp();
CreateAndInitializeFormPDF();
}
void TearDown() override {
UnloadPage(GetPage());
EmbedderTest::TearDown();
}
void CreateAndInitializeFormPDF() {
ASSERT_TRUE(OpenDocument("text_form_multiple.pdf"));
m_page = LoadPage(0);
ASSERT_TRUE(m_page);
m_pFormFillEnv =
CPDFSDKFormFillEnvironmentFromFPDFFormHandle(form_handle());
CPDFSDK_AnnotIterator iter(m_pFormFillEnv->GetPageViewAtIndex(0),
{CPDF_Annot::Subtype::WIDGET});
// Normal text field.
m_pAnnot = ToCPDFSDKWidget(iter.GetFirstAnnot());
ASSERT_TRUE(m_pAnnot);
// Read-only text field.
CPDFSDK_Annot* pAnnotReadOnly = iter.GetNextAnnot(m_pAnnot);
// Pre-filled text field with char limit of 10.
m_pAnnotCharLimit = ToCPDFSDKWidget(iter.GetNextAnnot(pAnnotReadOnly));
ASSERT_TRUE(m_pAnnotCharLimit);
// Password text field.
CPDFSDK_Annot* password_annot = iter.GetNextAnnot(m_pAnnotCharLimit);
ASSERT_TRUE(password_annot);
ASSERT_EQ(CPDF_Annot::Subtype::WIDGET, password_annot->GetAnnotSubtype());
CPDFSDK_Annot* pLastAnnot = iter.GetLastAnnot();
ASSERT_EQ(password_annot, pLastAnnot);
}
void FormFillerAndWindowSetup(CPDFSDK_Widget* pAnnotTextField) {
CFFL_InteractiveFormFiller* pInteractiveFormFiller =
m_pFormFillEnv->GetInteractiveFormFiller();
{
ObservedPtr<CPDFSDK_Widget> pObserved(pAnnotTextField);
EXPECT_TRUE(pInteractiveFormFiller->OnSetFocus(pObserved, {}));
}
m_pFormFiller =
pInteractiveFormFiller->GetFormFieldForTesting(pAnnotTextField);
ASSERT_TRUE(m_pFormFiller);
CPWL_Wnd* pWindow =
m_pFormFiller->GetPWLWindow(m_pFormFillEnv->GetPageViewAtIndex(0));
ASSERT_TRUE(pWindow);
m_pEdit = static_cast<CPWL_Edit*>(pWindow);
}
void TypeTextIntoTextField(int num_chars) {
// Type text starting with 'A' to as many chars as specified by |num_chars|.
for (int i = 0; i < num_chars; ++i) {
EXPECT_TRUE(GetCFFLFormFiller()->OnChar(GetCPDFSDKAnnot(), i + 'A', {}));
}
}
FPDF_PAGE GetPage() { return m_page; }
CPWL_Edit* GetCPWLEdit() { return m_pEdit; }
CFFL_FormField* GetCFFLFormFiller() { return m_pFormFiller; }
CPDFSDK_Widget* GetCPDFSDKAnnot() { return m_pAnnot; }
CPDFSDK_Widget* GetCPDFSDKAnnotCharLimit() { return m_pAnnotCharLimit; }
private:
FPDF_PAGE m_page;
CPWL_Edit* m_pEdit;
CFFL_FormField* m_pFormFiller;
CPDFSDK_Widget* m_pAnnot;
CPDFSDK_Widget* m_pAnnotCharLimit;
CPDFSDK_FormFillEnvironment* m_pFormFillEnv;
};
TEST_F(CPWLEditEmbedderTest, TypeText) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
EXPECT_TRUE(GetCPWLEdit()->GetText().IsEmpty());
EXPECT_TRUE(GetCFFLFormFiller()->OnChar(GetCPDFSDKAnnot(), 'a', {}));
EXPECT_TRUE(GetCFFLFormFiller()->OnChar(GetCPDFSDKAnnot(), 'b', {}));
EXPECT_TRUE(GetCFFLFormFiller()->OnChar(GetCPDFSDKAnnot(), 'c', {}));
EXPECT_EQ(L"abc", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, GetSelectedTextEmptyAndBasic) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
// Attempt to set selection before text has been typed to test that
// selection is identified as empty.
//
// Select from character index [0, 3) within form text field.
GetCPWLEdit()->SetSelection(0, 3);
EXPECT_TRUE(GetCPWLEdit()->GetSelectedText().IsEmpty());
EXPECT_TRUE(GetCFFLFormFiller()->OnChar(GetCPDFSDKAnnot(), 'a', {}));
EXPECT_TRUE(GetCFFLFormFiller()->OnChar(GetCPDFSDKAnnot(), 'b', {}));
EXPECT_TRUE(GetCFFLFormFiller()->OnChar(GetCPDFSDKAnnot(), 'c', {}));
GetCPWLEdit()->SetSelection(0, 2);
EXPECT_EQ(L"ab", GetCPWLEdit()->GetSelectedText());
}
TEST_F(CPWLEditEmbedderTest, GetSelectedTextFragments) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
TypeTextIntoTextField(50);
GetCPWLEdit()->SetSelection(0, 0);
EXPECT_TRUE(GetCPWLEdit()->GetSelectedText().IsEmpty());
GetCPWLEdit()->SetSelection(0, 1);
EXPECT_EQ(L"A", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->SetSelection(0, -1);
EXPECT_EQ(L"ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqr",
GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->SetSelection(-8, -1);
EXPECT_TRUE(GetCPWLEdit()->GetSelectedText().IsEmpty());
GetCPWLEdit()->SetSelection(23, 12);
EXPECT_EQ(L"MNOPQRSTUVW", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->SetSelection(12, 23);
EXPECT_EQ(L"MNOPQRSTUVW", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->SetSelection(49, 50);
EXPECT_EQ(L"r", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->SetSelection(49, 55);
EXPECT_EQ(L"r", GetCPWLEdit()->GetSelectedText());
}
TEST_F(CPWLEditEmbedderTest, DeleteEntireTextSelection) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
TypeTextIntoTextField(50);
GetCPWLEdit()->SetSelection(0, -1);
EXPECT_EQ(L"ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqr",
GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->ReplaceSelection(L"");
EXPECT_TRUE(GetCPWLEdit()->GetText().IsEmpty());
}
TEST_F(CPWLEditEmbedderTest, DeleteTextSelectionMiddle) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
TypeTextIntoTextField(50);
GetCPWLEdit()->SetSelection(12, 23);
EXPECT_EQ(L"MNOPQRSTUVW", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->ReplaceSelection(L"");
EXPECT_EQ(L"ABCDEFGHIJKLXYZ[\\]^_`abcdefghijklmnopqr",
GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, DeleteTextSelectionLeft) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
TypeTextIntoTextField(50);
GetCPWLEdit()->SetSelection(0, 5);
EXPECT_EQ(L"ABCDE", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->ReplaceSelection(L"");
EXPECT_EQ(L"FGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqr",
GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, DeleteTextSelectionRight) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
TypeTextIntoTextField(50);
GetCPWLEdit()->SetSelection(45, 50);
EXPECT_EQ(L"nopqr", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->ReplaceSelection(L"");
EXPECT_EQ(L"ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklm",
GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, DeleteEmptyTextSelection) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
TypeTextIntoTextField(50);
GetCPWLEdit()->ReplaceSelection(L"");
EXPECT_EQ(L"ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqr",
GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, InsertTextInEmptyTextField) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
GetCPWLEdit()->ReplaceSelection(L"Hello");
EXPECT_EQ(L"Hello", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, InsertTextInPopulatedTextFieldLeft) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
TypeTextIntoTextField(10);
// Move cursor to beginning of text field.
EXPECT_TRUE(GetCFFLFormFiller()->OnKeyDown(FWL_VKEY_Home, {}));
GetCPWLEdit()->ReplaceSelection(L"Hello");
EXPECT_EQ(L"HelloABCDEFGHIJ", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, InsertTextInPopulatedTextFieldMiddle) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
TypeTextIntoTextField(10);
// Move cursor to middle of text field.
for (int i = 0; i < 5; ++i) {
EXPECT_TRUE(GetCFFLFormFiller()->OnKeyDown(FWL_VKEY_Left, {}));
}
GetCPWLEdit()->ReplaceSelection(L"Hello");
EXPECT_EQ(L"ABCDEHelloFGHIJ", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, InsertTextInPopulatedTextFieldRight) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
TypeTextIntoTextField(10);
GetCPWLEdit()->ReplaceSelection(L"Hello");
EXPECT_EQ(L"ABCDEFGHIJHello", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest,
InsertTextAndReplaceSelectionInPopulatedTextFieldWhole) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
TypeTextIntoTextField(10);
GetCPWLEdit()->SetSelection(0, -1);
EXPECT_EQ(L"ABCDEFGHIJ", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->ReplaceSelection(L"Hello");
EXPECT_EQ(L"Hello", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest,
InsertTextAndReplaceSelectionInPopulatedTextFieldLeft) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
TypeTextIntoTextField(10);
GetCPWLEdit()->SetSelection(0, 5);
EXPECT_EQ(L"ABCDE", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->ReplaceSelection(L"Hello");
EXPECT_EQ(L"HelloFGHIJ", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest,
InsertTextAndReplaceSelectionInPopulatedTextFieldMiddle) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
TypeTextIntoTextField(10);
GetCPWLEdit()->SetSelection(2, 7);
EXPECT_EQ(L"CDEFG", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->ReplaceSelection(L"Hello");
EXPECT_EQ(L"ABHelloHIJ", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest,
InsertTextAndReplaceSelectionInPopulatedTextFieldRight) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
TypeTextIntoTextField(10);
GetCPWLEdit()->SetSelection(5, 10);
EXPECT_EQ(L"FGHIJ", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->ReplaceSelection(L"Hello");
EXPECT_EQ(L"ABCDEHello", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, InsertTextInEmptyCharLimitTextFieldOverflow) {
FormFillerAndWindowSetup(GetCPDFSDKAnnotCharLimit());
GetCPWLEdit()->SetSelection(0, -1);
EXPECT_EQ(L"Elephant", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->ReplaceSelection(L"");
GetCPWLEdit()->ReplaceSelection(L"Hippopotamus");
EXPECT_EQ(L"Hippopotam", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, InsertTextInEmptyCharLimitTextFieldFit) {
FormFillerAndWindowSetup(GetCPDFSDKAnnotCharLimit());
GetCPWLEdit()->SetSelection(0, -1);
EXPECT_EQ(L"Elephant", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->ReplaceSelection(L"");
GetCPWLEdit()->ReplaceSelection(L"Zebra");
EXPECT_EQ(L"Zebra", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, InsertTextInPopulatedCharLimitTextFieldLeft) {
FormFillerAndWindowSetup(GetCPDFSDKAnnotCharLimit());
GetCPWLEdit()->ReplaceSelection(L"Hippopotamus");
EXPECT_EQ(L"HiElephant", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, InsertTextInPopulatedCharLimitTextFieldMiddle) {
FormFillerAndWindowSetup(GetCPDFSDKAnnotCharLimit());
// Move cursor to middle of text field.
for (int i = 0; i < 5; ++i) {
EXPECT_TRUE(GetCFFLFormFiller()->OnKeyDown(FWL_VKEY_Right, {}));
}
GetCPWLEdit()->ReplaceSelection(L"Hippopotamus");
EXPECT_EQ(L"ElephHiant", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, InsertTextInPopulatedCharLimitTextFieldRight) {
FormFillerAndWindowSetup(GetCPDFSDKAnnotCharLimit());
// Move cursor to end of text field.
EXPECT_TRUE(GetCFFLFormFiller()->OnKeyDown(FWL_VKEY_End, {}));
GetCPWLEdit()->ReplaceSelection(L"Hippopotamus");
EXPECT_EQ(L"ElephantHi", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest,
InsertTextAndReplaceSelectionInPopulatedCharLimitTextFieldWhole) {
FormFillerAndWindowSetup(GetCPDFSDKAnnotCharLimit());
GetCPWLEdit()->SetSelection(0, -1);
EXPECT_EQ(L"Elephant", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->ReplaceSelection(L"Hippopotamus");
EXPECT_EQ(L"Hippopotam", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest,
InsertTextAndReplaceSelectionInPopulatedCharLimitTextFieldLeft) {
FormFillerAndWindowSetup(GetCPDFSDKAnnotCharLimit());
GetCPWLEdit()->SetSelection(0, 4);
EXPECT_EQ(L"Elep", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->ReplaceSelection(L"Hippopotamus");
EXPECT_EQ(L"Hippophant", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest,
InsertTextAndReplaceSelectionInPopulatedCharLimitTextFieldMiddle) {
FormFillerAndWindowSetup(GetCPDFSDKAnnotCharLimit());
GetCPWLEdit()->SetSelection(2, 6);
EXPECT_EQ(L"epha", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->ReplaceSelection(L"Hippopotamus");
EXPECT_EQ(L"ElHippopnt", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest,
InsertTextAndReplaceSelectionInPopulatedCharLimitTextFieldRight) {
FormFillerAndWindowSetup(GetCPDFSDKAnnotCharLimit());
GetCPWLEdit()->SetSelection(4, 8);
EXPECT_EQ(L"hant", GetCPWLEdit()->GetSelectedText());
GetCPWLEdit()->ReplaceSelection(L"Hippopotamus");
EXPECT_EQ(L"ElepHippop", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, SetTextWithEndCarriageFeed) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
GetCPWLEdit()->SetText(L"Foo\r");
EXPECT_EQ(L"Foo", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, SetTextWithEndNewline) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
GetCPWLEdit()->SetText(L"Foo\n");
EXPECT_EQ(L"Foo", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, SetTextWithEndCarriageFeedAndNewLine) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
GetCPWLEdit()->SetText(L"Foo\r\n");
EXPECT_EQ(L"Foo", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, SetTextWithEndNewLineAndCarriageFeed) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
GetCPWLEdit()->SetText(L"Foo\n\r");
EXPECT_EQ(L"Foo", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, SetTextWithBodyCarriageFeed) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
GetCPWLEdit()->SetText(L"Foo\rBar");
EXPECT_EQ(L"FooBar", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, SetTextWithBodyNewline) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
GetCPWLEdit()->SetText(L"Foo\nBar");
EXPECT_EQ(L"FooBar", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, SetTextWithBodyCarriageFeedAndNewLine) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
GetCPWLEdit()->SetText(L"Foo\r\nBar");
EXPECT_EQ(L"FooBar", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, SetTextWithBodyNewLineAndCarriageFeed) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
GetCPWLEdit()->SetText(L"Foo\n\rBar");
EXPECT_EQ(L"FooBar", GetCPWLEdit()->GetText());
}
TEST_F(CPWLEditEmbedderTest, ReplaceAndKeepSelection) {
FormFillerAndWindowSetup(GetCPDFSDKAnnot());
TypeTextIntoTextField(10);
GetCPWLEdit()->SetSelection(1, 3);
EXPECT_EQ(L"ABCDEFGHIJ", GetCPWLEdit()->GetText());
GetCPWLEdit()->ReplaceAndKeepSelection(L"xyz");
EXPECT_EQ(L"AxyzDEFGHIJ", GetCPWLEdit()->GetText());
EXPECT_EQ(L"xyz", GetCPWLEdit()->GetSelectedText());
EXPECT_EQ(GetCPWLEdit()->GetSelection(), std::make_pair(1, 4));
GetCPWLEdit()->SetSelection(4, 1);
GetCPWLEdit()->ReplaceAndKeepSelection(L"12");
EXPECT_EQ(L"A12DEFGHIJ", GetCPWLEdit()->GetText());
EXPECT_EQ(L"12", GetCPWLEdit()->GetSelectedText());
EXPECT_EQ(GetCPWLEdit()->GetSelection(), std::make_pair(1, 3));
}