Add barcode test skeleton

Individual tests need some more fleshing out.
Fix spelling of "Destroy" while we're at it.

Bug: pdfium:699

Change-Id: I05f1da8654bfdf92cb264adae16e1b3209587a31
Reviewed-on: https://pdfium-review.googlesource.com/4550
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>

1 files changed, 123 insertions, 0 deletions

diff --git a/xfa/fwl/cfx_barcode_unittest.cpp b/xfa/fwl/cfx_barcode_unittest.cpp
new file mode 100644
index 0000000000..07d74eef81
--- /dev/null
+++ b/xfa/fwl/cfx_barcode_unittest.cpp
@@ -0,0 +1,123 @@
+// 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 "xfa/fwl/cfx_barcode.h"
+
+#include <memory>
+#include <utility>
+
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxcrt/fx_string.h"
+#include "core/fxge/cfx_renderdevice.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/mock_ifx_renderdevicedriver.h"
+#include "testing/test_support.h"
+#include "third_party/base/ptr_util.h"
+
+using testing::_;
+using testing::AtLeast;
+
+class BarcodeTest : public testing::Test {
+ public:
+  void SetUp() override {
+    BC_Library_Init();
+    barcode_ = pdfium::MakeUnique<CFX_Barcode>();
+    device_ = pdfium::MakeUnique<CFX_RenderDevice>();
+    driver_ = pdfium::MakeUnique<MockIFXRenderDeviceDriver>();
+  }
+
+  void TearDown() override {
+    driver_.reset();
+    device_.reset();
+    barcode_.reset();
+    BC_Library_Destroy();
+  }
+
+  CFX_Barcode* barcode() const { return barcode_.get(); }
+  CFX_RenderDevice* device() const { return device_.get(); }
+  MockIFXRenderDeviceDriver* driver() const { return driver_.get(); }
+
+  bool Create(BC_TYPE type) {
+    if (!barcode_->Create(type))
+      return false;
+
+    barcode_->SetModuleHeight(300);
+    barcode_->SetModuleWidth(420);
+    barcode_->SetHeight(298);
+    barcode_->SetWidth(418);
+    return true;
+  }
+
+  void HandoffDriverToDevice() { device_->SetDeviceDriver(std::move(driver_)); }
+  bool RenderDevice() {
+    return barcode_->RenderDevice(device_.get(), &matrix_);
+  }
+
+ protected:
+  CFX_Matrix matrix_;
+  std::unique_ptr<CFX_Barcode> barcode_;
+  std::unique_ptr<CFX_RenderDevice> device_;
+  std::unique_ptr<MockIFXRenderDeviceDriver> driver_;
+};
+
+TEST_F(BarcodeTest, Code39) {
+  EXPECT_TRUE(Create(BC_CODE39));
+  EXPECT_TRUE(barcode()->Encode(L"clams", false));
+
+  EXPECT_CALL(*driver(), GetDeviceCaps(_)).Times(AtLeast(1));
+  EXPECT_CALL(*driver(), GetClipBox(_)).Times(AtLeast(1));
+  EXPECT_CALL(*driver(), DrawPath(_, _, _, _, _, _, _)).Times(AtLeast(1));
+  HandoffDriverToDevice();
+  RenderDevice();
+}
+
+TEST_F(BarcodeTest, CodaBar) {
+  EXPECT_TRUE(Create(BC_CODABAR));
+  EXPECT_TRUE(barcode()->Encode(L"clams", false));
+}
+
+TEST_F(BarcodeTest, Code128) {
+  EXPECT_TRUE(Create(BC_CODE128));
+  EXPECT_TRUE(barcode()->Encode(L"clams", false));
+}
+
+TEST_F(BarcodeTest, Code128_B) {
+  EXPECT_TRUE(Create(BC_CODE128_B));
+  EXPECT_TRUE(barcode()->Encode(L"clams", false));
+}
+
+TEST_F(BarcodeTest, Code128_C) {
+  EXPECT_TRUE(Create(BC_CODE128_C));
+  EXPECT_TRUE(barcode()->Encode(L"clams", false));
+}
+
+TEST_F(BarcodeTest, Ean8) {
+  EXPECT_TRUE(Create(BC_EAN8));
+  EXPECT_TRUE(barcode()->Encode(L"clams", false));
+}
+
+TEST_F(BarcodeTest, UPCA) {
+  EXPECT_TRUE(Create(BC_UPCA));
+  EXPECT_TRUE(barcode()->Encode(L"clams", false));
+}
+
+TEST_F(BarcodeTest, Ean13) {
+  EXPECT_TRUE(Create(BC_EAN13));
+  EXPECT_TRUE(barcode()->Encode(L"clams", false));
+}
+
+TEST_F(BarcodeTest, Pdf417) {
+  EXPECT_TRUE(Create(BC_PDF417));
+  EXPECT_TRUE(barcode()->Encode(L"clams", false));
+}
+
+TEST_F(BarcodeTest, DataMatrix) {
+  EXPECT_TRUE(Create(BC_DATAMATRIX));
+  EXPECT_TRUE(barcode()->Encode(L"clams", false));
+}
+
+TEST_F(BarcodeTest, QrCode) {
+  EXPECT_TRUE(Create(BC_QR_CODE));
+  EXPECT_TRUE(barcode()->Encode(L"clams", false));
+}