Merge to XFA: Add fpdf_edit basic creation embedder test.

Original Review URL: https://codereview.chromium.org/1554133003 .
(cherry picked from commit d368261cc8d604286e29ca6358700e6bb051dcaa)

TBR=thestig@chromium.org

Review URL: https://codereview.chromium.org/1567643002 .

2 files changed, 19 insertions, 2 deletions

diff --git a/testing/embedder_test.cpp b/testing/embedder_test.cpp
index 8d4682eacf..7224e227c6 100644
--- a/testing/embedder_test.cpp
+++ b/testing/embedder_test.cpp
@@ -102,6 +102,15 @@ void EmbedderTest::TearDown() {
   free(file_contents_);
 }
 
+bool EmbedderTest::CreateEmptyDocument() {
+  document_ = FPDF_CreateNewDocument();
+  if (!document_)
+    return false;
+
+  SetupFormFillEnvironment();
+  return true;
+}
+
 bool EmbedderTest::OpenDocument(const std::string& filename,
                                 bool must_linearize) {
   std::string file_path;
@@ -169,7 +178,11 @@ bool EmbedderTest::OpenDocument(const std::string& filename,
 #endif  // PDF_ENABLE_XFA
 
   (void)FPDF_GetDocPermissions(document_);
+  SetupFormFillEnvironment();
+  return true;
+}
 
+void EmbedderTest::SetupFormFillEnvironment() {
   IPDF_JSPLATFORM* platform = static_cast<IPDF_JSPLATFORM*>(this);
   memset(platform, 0, sizeof(IPDF_JSPLATFORM));
   platform->version = 2;
@@ -190,8 +203,6 @@ bool EmbedderTest::OpenDocument(const std::string& filename,
   form_handle_ = FPDFDOC_InitFormFillEnvironment(document_, formfillinfo);
   FPDF_SetFormFieldHighlightColor(form_handle_, 0, 0xFFE4DD);
   FPDF_SetFormFieldHighlightAlpha(form_handle_, 100);
-
-  return true;
 }
 
 void EmbedderTest::DoOpenActions() {
diff --git a/testing/embedder_test.h b/testing/embedder_test.h
index a544f26543..c780cca74b 100644
--- a/testing/embedder_test.h
+++ b/testing/embedder_test.h
@@ -78,6 +78,10 @@ class EmbedderTest : public ::testing::Test,
   FPDF_DOCUMENT document() { return document_; }
   FPDF_FORMHANDLE form_handle() { return form_handle_; }
 
+  // Create an empty document, and its form fill environment. Returns true
+  // on success or false on failure.
+  virtual bool CreateEmptyDocument();
+
   // Open the document specified by |filename|, and create its form fill
   // environment, or return false on failure.
   // The filename is relative to the test data directory where we store all the
@@ -107,6 +111,8 @@ class EmbedderTest : public ::testing::Test,
   virtual void UnloadPage(FPDF_PAGE page);
 
  protected:
+  void SetupFormFillEnvironment();
+
   Delegate* delegate_;
   std::unique_ptr<Delegate> default_delegate_;
   FPDF_DOCUMENT document_;