From 746552254ad113ef88b40aca4dbc0e57cefbac85 Mon Sep 17 00:00:00 2001 From: Henrique Nakashima Date: Wed, 6 Sep 2017 11:11:49 -0400 Subject: Add unit tests for UPC-A barcode writer. Bug: pdfium:882 Change-Id: I609adfa652285fe1702f742a2774ffa566471d5c Reviewed-on: https://pdfium-review.googlesource.com/13270 Reviewed-by: Ryan Harrison Commit-Queue: Henrique Nakashima --- fxbarcode/oned/BC_OnedUPCAWriter_unittest.cpp | 96 +++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 fxbarcode/oned/BC_OnedUPCAWriter_unittest.cpp (limited to 'fxbarcode/oned') diff --git a/fxbarcode/oned/BC_OnedUPCAWriter_unittest.cpp b/fxbarcode/oned/BC_OnedUPCAWriter_unittest.cpp new file mode 100644 index 0000000000..3d9f6c5e61 --- /dev/null +++ b/fxbarcode/oned/BC_OnedUPCAWriter_unittest.cpp @@ -0,0 +1,96 @@ +// 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 "fxbarcode/oned/BC_OnedUPCAWriter.h" +#include "testing/gtest/include/gtest/gtest.h" + +namespace { + +TEST(OnedUPCAWriterTest, Encode) { + CBC_OnedUPCAWriter writer; + int32_t width; + int32_t height; + + // TODO(hnakashima): CBC_OnedUPCAWriter is unique in that it needs to be + // Init()'d. Get rid of this call. + writer.Init(); + + // UPCA barcodes encode 12-digit numbers into 95 modules in a unidimensional + // disposition. + uint8_t* encoded = writer.Encode("", BCFORMAT_UPC_A, width, height); + EXPECT_EQ(nullptr, encoded); + FX_Free(encoded); + + encoded = writer.Encode("123", BCFORMAT_UPC_A, width, height); + EXPECT_EQ(nullptr, encoded); + FX_Free(encoded); + + encoded = writer.Encode("12345678901", BCFORMAT_UPC_A, width, height); + EXPECT_EQ(nullptr, encoded); + FX_Free(encoded); + + encoded = writer.Encode("1234567890123", BCFORMAT_UPC_A, width, height); + EXPECT_EQ(nullptr, encoded); + FX_Free(encoded); + + encoded = writer.Encode("123456789012", BCFORMAT_UPC_A, width, height); + const char* expected = + "# #" // Start + " ## #" // 1 L + " # ##" // 2 L + " #### #" // 3 L + " # ##" // 4 L + " ## #" // 5 L + " # ####" // 6 L + " # # " // Middle + "# # " // 7 R + "# # " // 8 R + "### # " // 9 R + "### # " // 0 R + "## ## " // 1 R + "## ## " // 2 R + "# #"; // End + EXPECT_NE(nullptr, encoded); + EXPECT_EQ(1, height); + EXPECT_EQ(static_cast(strlen(expected)), width); + for (size_t i = 0; i < strlen(expected); i++) { + EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i; + } + FX_Free(encoded); + + encoded = writer.Encode("777666555440", BCFORMAT_UPC_A, width, height); + expected = + "# #" // Start + " ### ##" // 7 L + " ### ##" // 7 L + " ### ##" // 7 L + " # ####" // 6 L + " # ####" // 6 L + " # ####" // 6 L + " # # " // Middle + "# ### " // 5 R + "# ### " // 5 R + "# ### " // 5 R + "# ### " // 4 R + "# ### " // 4 R + "### # " // 0 R + "# #"; // End + EXPECT_NE(nullptr, encoded); + EXPECT_EQ(1, height); + EXPECT_EQ(static_cast(strlen(expected)), width); + for (size_t i = 0; i < strlen(expected); i++) { + EXPECT_EQ(expected[i] != ' ', !!encoded[i]) << i; + } + FX_Free(encoded); +} + +TEST(OnedUPCAWriterTest, Checksum) { + CBC_OnedUPCAWriter writer; + EXPECT_EQ(0, writer.CalcChecksum("")); + EXPECT_EQ(6, writer.CalcChecksum("123")); + EXPECT_EQ(2, writer.CalcChecksum("12345678901")); + EXPECT_EQ(0, writer.CalcChecksum("77766655544")); +} + +} // namespace -- cgit v1.2.3