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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "printing/backend/print_backend_utils.h"
#include <map>
#include <memory>
#include "printing/buildflags/buildflags.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/size.h"
#if BUILDFLAG(USE_CUPS)
#include "printing/backend/cups_printer.h"
#include "printing/backend/print_backend.h"
#include "printing/units.h"
#include "ui/gfx/geometry/rect.h"
#endif // BUILDFLAG(USE_CUPS)
namespace printing {
TEST(PrintBackendUtilsTest, ParsePaperSizeA4) {
gfx::Size size = ParsePaperSize("iso_a4_210x297mm");
EXPECT_EQ(gfx::Size(210000, 297000), size);
}
TEST(PrintBackendUtilsTest, ParsePaperSizeNaLetter) {
gfx::Size size = ParsePaperSize("na_letter_8.5x11in");
EXPECT_EQ(gfx::Size(215900, 279400), size);
}
TEST(PrintBackendUtilsTest, ParsePaperSizeNaIndex4x6) {
// Note that "na_index-4x6_4x6in" has a dimension within the media name. Test
// that parsing is not affected.
gfx::Size size = ParsePaperSize("na_index-4x6_4x6in");
EXPECT_EQ(gfx::Size(101600, 152400), size);
}
TEST(PrintBackendUtilsTest, ParsePaperSizeNaNumber10) {
// Test that a paper size with a fractional dimension is not affected by
// rounding errors.
gfx::Size size = ParsePaperSize("na_number-10_4.125x9.5in");
EXPECT_EQ(gfx::Size(104775, 241300), size);
}
TEST(PrintBackendUtilsTest, ParsePaperSizeBadUnit) {
gfx::Size size = ParsePaperSize("bad_unit_666x666bad");
EXPECT_TRUE(size.IsEmpty());
}
TEST(PrintBackendUtilsTest, ParsePaperSizeBadOneDimension) {
gfx::Size size = ParsePaperSize("bad_one_dimension_666mm");
EXPECT_TRUE(size.IsEmpty());
}
#if BUILDFLAG(USE_CUPS)
TEST(PrintBackendUtilsTest, GetDisplayName) {
#if BUILDFLAG(IS_MAC)
EXPECT_EQ(GetDisplayName("HP Printer", "Detailed Printer Info"),
"Detailed Printer Info");
EXPECT_EQ(GetDisplayName("HP Printer", ""), "HP Printer");
#else
EXPECT_EQ(GetDisplayName("HP Printer", "Detailed Printer Info"),
"HP Printer");
EXPECT_EQ(GetDisplayName("HP Printer", ""), "HP Printer");
#endif
}
TEST(PrintBackendUtilsTest, GetPrinterDescription) {
#if BUILDFLAG(IS_MAC)
EXPECT_EQ(GetPrinterDescription("Driver Info", "Some Description"),
"Driver Info");
EXPECT_EQ(GetPrinterDescription("", "Some Description"), "");
#else
EXPECT_EQ(GetPrinterDescription("Driver Info", "Some Description"),
"Some Description");
EXPECT_EQ(GetPrinterDescription("Driver Info", ""), "");
#endif
}
TEST(PrintBackendUtilsCupsTest, PrintableAreaFromMarginsA4) {
// margins in PWG units (1 PWG unit = 1/100 mm = 10 um)
int bottom = 100;
int left = 200;
int right = 300;
int top = 400;
gfx::Size size_um = {210000, 297000};
gfx::Rect printable_area_um =
PrintableAreaFromSizeAndPwgMargins(size_um, bottom, left, right, top);
EXPECT_EQ(gfx::Rect(2000, 1000, 205000, 292000), printable_area_um);
}
TEST(PrintBackendUtilsCupsTest, MarginsPWGFromPrintableAreaA4) {
static constexpr int kBottomUm = 1000;
static constexpr int kLeftUm = 2000;
static constexpr int kRightUm = 3000;
static constexpr int kTopUm = 4000;
int bottom_um = 0;
int left_um = 0;
int right_um = 0;
int top_um = 0;
MarginsMicronsFromSizeAndPrintableArea(
{210000, 297000}, {2000, 1000, 205000, 292000}, &bottom_um, &left_um,
&right_um, &top_um);
// Verify margins in microns are correct.
EXPECT_EQ(kBottomUm, bottom_um);
EXPECT_EQ(kLeftUm, left_um);
EXPECT_EQ(kRightUm, right_um);
EXPECT_EQ(kTopUm, top_um);
ASSERT_EQ(kMicronsPerPwgUnit, 10);
// Verify margins in PWG units are correct.
EXPECT_EQ(kBottomUm / kMicronsPerPwgUnit, MarginMicronsToPWG(bottom_um));
EXPECT_EQ(kLeftUm / kMicronsPerPwgUnit, MarginMicronsToPWG(left_um));
EXPECT_EQ(kRightUm / kMicronsPerPwgUnit, MarginMicronsToPWG(right_um));
EXPECT_EQ(kTopUm / kMicronsPerPwgUnit, MarginMicronsToPWG(top_um));
}
#endif // BUILDFLAG(USE_CUPS)
} // namespace printing
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