Adding fm2js embedder tests

This Cl adds the basis of the test framework to execute the javascript
produced by CXFA_FM2JSContext and verify the results are correct.

Change-Id: Ie46625b7e27ca0808e9cc41fdc00b7c0a212837d
Reviewed-on: https://pdfium-review.googlesource.com/5651
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 69 insertions, 0 deletions

diff --git a/testing/xfa_js_embedder_test.cpp b/testing/xfa_js_embedder_test.cpp
new file mode 100644
index 0000000000..d72e8762e8
--- /dev/null
+++ b/testing/xfa_js_embedder_test.cpp
@@ -0,0 +1,69 @@
+// Copyright 2017 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 "testing/xfa_js_embedder_test.h"
+
+#include <string>
+
+#include "fpdfsdk/fpdfxfa/cpdfxfa_context.h"
+#include "fpdfsdk/fsdk_define.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "third_party/base/ptr_util.h"
+#include "xfa/fxfa/parser/cxfa_scriptcontext.h"
+
+XFAJSEmbedderTest::XFAJSEmbedderTest()
+    : array_buffer_allocator_(pdfium::MakeUnique<FXJS_ArrayBufferAllocator>()) {
+}
+
+XFAJSEmbedderTest::~XFAJSEmbedderTest() {}
+
+void XFAJSEmbedderTest::SetUp() {
+  v8::Isolate::CreateParams params;
+  params.array_buffer_allocator = array_buffer_allocator_.get();
+  isolate_ = v8::Isolate::New(params);
+  ASSERT_TRUE(isolate_ != nullptr);
+
+  EmbedderTest::SetExternalIsolate(isolate_);
+  EmbedderTest::SetUp();
+}
+
+void XFAJSEmbedderTest::TearDown() {
+  value_ = nullptr;
+  script_context_ = nullptr;
+
+  EmbedderTest::TearDown();
+
+  isolate_->Dispose();
+  isolate_ = nullptr;
+}
+
+bool XFAJSEmbedderTest::OpenDocument(const std::string& filename,
+                                     const char* password,
+                                     bool must_linearize) {
+  if (!EmbedderTest::OpenDocument(filename, password, must_linearize))
+    return false;
+
+  script_context_ = UnderlyingFromFPDFDocument(document())
+                        ->GetXFADoc()
+                        ->GetXFADoc()
+                        ->GetScriptContext();
+  return true;
+}
+
+bool XFAJSEmbedderTest::Execute(const CFX_ByteStringC& input) {
+  value_ = pdfium::MakeUnique<CFXJSE_Value>(GetIsolate());
+  if (script_context_->RunScript(XFA_SCRIPTLANGTYPE_Formcalc,
+                                 CFX_WideString::FromUTF8(input).AsStringC(),
+                                 value_.get(), nullptr)) {
+    return true;
+  }
+
+  CFXJSE_Value msg(GetIsolate());
+  value_->GetObjectPropertyByIdx(1, &msg);
+  EXPECT_TRUE(msg.IsString());
+
+  fprintf(stderr, "JS: %.*s\n", input.GetLength(), input.c_str());
+  fprintf(stderr, "JS ERROR: %ls\n", msg.ToWideString().c_str());
+  return false;
+}