From 1c7f1420b78f37ec1619ab1552261e9ce3947a3b Mon Sep 17 00:00:00 2001
From: Diana Gage <drgage@google.com>
Date: Mon, 24 Jul 2017 11:19:52 -0700
Subject: Add FORM_DeleteSelectedText() and embedder tests.

This method deletes the current text selection in a form text field or
user-editable form combobox text field. If there is no selection, this
method does nothing.

BUG=chromium:59266

Change-Id: I3229ffad990c62beac1cf769cd366458b9ee5daa
Reviewed-on: https://pdfium-review.googlesource.com/8370
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Diana Gage <drgage@google.com>
---
 fpdfsdk/pdfwindow/cpwl_combo_box_embeddertest.cpp | 72 +++++++++++++++++++++++
 1 file changed, 72 insertions(+)

(limited to 'fpdfsdk/pdfwindow/cpwl_combo_box_embeddertest.cpp')

diff --git a/fpdfsdk/pdfwindow/cpwl_combo_box_embeddertest.cpp b/fpdfsdk/pdfwindow/cpwl_combo_box_embeddertest.cpp
index 9ca994f2e1..3224284ee2 100644
--- a/fpdfsdk/pdfwindow/cpwl_combo_box_embeddertest.cpp
+++ b/fpdfsdk/pdfwindow/cpwl_combo_box_embeddertest.cpp
@@ -194,3 +194,75 @@ TEST_F(CPWLComboBoxEditEmbeddertest, GetSelectedTextFragmentsEditable) {
   GetCPWLComboBox()->SetEditSelection(49, 50);
   EXPECT_STREQ(L"r", GetCPWLComboBox()->GetSelectedText().c_str());
 }
+
+TEST_F(CPWLComboBoxEditEmbeddertest, DeleteEntireTextSelection) {
+  FormFillerAndWindowSetup(GetCPDFSDKAnnotUserEditable());
+  for (int i = 0; i < 50; ++i) {
+    EXPECT_TRUE(
+        GetCFFLFormFiller()->OnChar(GetCPDFSDKAnnotUserEditable(), i + 'A', 0));
+  }
+
+  GetCPWLComboBox()->SetEditSelection(0, -1);
+  EXPECT_STREQ(L"ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqr",
+               GetCPWLComboBox()->GetSelectedText().c_str());
+
+  GetCPWLComboBox()->DeleteSelectedText();
+  EXPECT_TRUE(GetCPWLComboBox()->GetText().IsEmpty());
+}
+
+TEST_F(CPWLComboBoxEditEmbeddertest, DeleteTextSelectionMiddle) {
+  FormFillerAndWindowSetup(GetCPDFSDKAnnotUserEditable());
+  for (int i = 0; i < 50; ++i) {
+    EXPECT_TRUE(
+        GetCFFLFormFiller()->OnChar(GetCPDFSDKAnnotUserEditable(), i + 'A', 0));
+  }
+
+  GetCPWLComboBox()->SetEditSelection(12, 23);
+  EXPECT_STREQ(L"MNOPQRSTUVW", GetCPWLComboBox()->GetSelectedText().c_str());
+
+  GetCPWLComboBox()->DeleteSelectedText();
+  EXPECT_STREQ(L"ABCDEFGHIJKLXYZ[\\]^_`abcdefghijklmnopqr",
+               GetCPWLComboBox()->GetText().c_str());
+}
+
+TEST_F(CPWLComboBoxEditEmbeddertest, DeleteTextSelectionLeft) {
+  FormFillerAndWindowSetup(GetCPDFSDKAnnotUserEditable());
+  for (int i = 0; i < 50; ++i) {
+    EXPECT_TRUE(
+        GetCFFLFormFiller()->OnChar(GetCPDFSDKAnnotUserEditable(), i + 'A', 0));
+  }
+
+  GetCPWLComboBox()->SetEditSelection(0, 5);
+  EXPECT_STREQ(L"ABCDE", GetCPWLComboBox()->GetSelectedText().c_str());
+
+  GetCPWLComboBox()->DeleteSelectedText();
+  EXPECT_STREQ(L"FGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqr",
+               GetCPWLComboBox()->GetText().c_str());
+}
+
+TEST_F(CPWLComboBoxEditEmbeddertest, DeleteTextSelectionRight) {
+  FormFillerAndWindowSetup(GetCPDFSDKAnnotUserEditable());
+  for (int i = 0; i < 50; ++i) {
+    EXPECT_TRUE(
+        GetCFFLFormFiller()->OnChar(GetCPDFSDKAnnotUserEditable(), i + 'A', 0));
+  }
+
+  GetCPWLComboBox()->SetEditSelection(45, 50);
+  EXPECT_STREQ(L"nopqr", GetCPWLComboBox()->GetSelectedText().c_str());
+
+  GetCPWLComboBox()->DeleteSelectedText();
+  EXPECT_STREQ(L"ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklm",
+               GetCPWLComboBox()->GetText().c_str());
+}
+
+TEST_F(CPWLComboBoxEditEmbeddertest, DeleteEmptyTextSelection) {
+  FormFillerAndWindowSetup(GetCPDFSDKAnnotUserEditable());
+  for (int i = 0; i < 50; ++i) {
+    EXPECT_TRUE(
+        GetCFFLFormFiller()->OnChar(GetCPDFSDKAnnotUserEditable(), i + 'A', 0));
+  }
+
+  GetCPWLComboBox()->DeleteSelectedText();
+  EXPECT_STREQ(L"ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqr",
+               GetCPWLComboBox()->GetText().c_str());
+}
-- 
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