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// Copyright 2013 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/printing_utils.h"
#include <stddef.h>
#include <limits>
#include <string>
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "build/chromeos_buildflags.h"
#include "printing/buildflags/buildflags.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/size.h"
#if BUILDFLAG(IS_WIN)
#include "base/win/scoped_hdc.h"
#include "printing/backend/printing_info_win.h"
#include "printing/backend/win_helper.h"
#include "printing/printing_test.h"
#include "ui/gfx/geometry/rect.h"
#endif
namespace printing {
namespace {
constexpr size_t kTestLength = 8;
#if BUILDFLAG(USE_CUPS) && !BUILDFLAG(IS_CHROMEOS_ASH)
constexpr gfx::Size kIsoA4Microns(210000, 297000);
constexpr gfx::Size kNaLetterMicrons(216000, 279000);
#endif
std::string Simplify(const std::string& title) {
return base::UTF16ToUTF8(
SimplifyDocumentTitleWithLength(base::UTF8ToUTF16(title), kTestLength));
}
std::string Format(const std::string& owner, const std::string& title) {
return base::UTF16ToUTF8(FormatDocumentTitleWithOwnerAndLength(
base::UTF8ToUTF16(owner), base::UTF8ToUTF16(title), kTestLength));
}
#if BUILDFLAG(IS_WIN)
// This test is automatically disabled if no printer is available.
class PrintingUtilsWinTest : public PrintingTest<testing::Test> {};
#endif // BUILDFLAG(IS_WIN)
} // namespace
TEST(PrintingUtilsTest, SimplifyDocumentTitle) {
EXPECT_EQ("", Simplify(""));
EXPECT_EQ("abcdefgh", Simplify("abcdefgh"));
EXPECT_EQ("abc...ij", Simplify("abcdefghij"));
EXPECT_EQ("Controls", Simplify("C\ron\nt\15rols"));
EXPECT_EQ("C__foo_", Simplify("C:\\foo\\"));
EXPECT_EQ("C__foo_", Simplify("C:/foo/"));
EXPECT_EQ("a_b_c", Simplify("a<b\"c"));
EXPECT_EQ("d_e_f_", Simplify("d*e?f~"));
EXPECT_EQ("", Simplify("\n\r\n\r\t\r"));
}
TEST(PrintingUtilsTest, FormatDocumentTitleWithOwner) {
EXPECT_EQ(": ", Format("", ""));
EXPECT_EQ("abc: ", Format("abc", ""));
EXPECT_EQ(": 123", Format("", "123"));
EXPECT_EQ("abc: 123", Format("abc", "123"));
EXPECT_EQ("abc: 0.9", Format("abc", "0123456789"));
EXPECT_EQ("ab...j: ", Format("abcdefghij", "123"));
EXPECT_EQ("xyz: _.o", Format("xyz", "\\f\\oo"));
EXPECT_EQ("ab...j: ", Format("abcdefghij", "0123456789"));
}
#if BUILDFLAG(USE_CUPS) && !BUILDFLAG(IS_CHROMEOS_ASH)
TEST(PrintingUtilsTest, GetDefaultPaperSizeFromLocaleMicrons) {
// Valid locales
EXPECT_EQ(kNaLetterMicrons, GetDefaultPaperSizeFromLocaleMicrons("en-US"));
EXPECT_EQ(kNaLetterMicrons, GetDefaultPaperSizeFromLocaleMicrons("en_US"));
EXPECT_EQ(kNaLetterMicrons, GetDefaultPaperSizeFromLocaleMicrons("fr-CA"));
EXPECT_EQ(kNaLetterMicrons, GetDefaultPaperSizeFromLocaleMicrons("es-CL"));
EXPECT_EQ(kIsoA4Microns, GetDefaultPaperSizeFromLocaleMicrons("en_UK"));
EXPECT_EQ(kIsoA4Microns, GetDefaultPaperSizeFromLocaleMicrons("fa-IR"));
// Empty locale
EXPECT_EQ(kIsoA4Microns, GetDefaultPaperSizeFromLocaleMicrons(""));
// Non-existing locale
EXPECT_EQ(kIsoA4Microns,
GetDefaultPaperSizeFromLocaleMicrons("locale-does-not-exist"));
}
TEST(PrintingUtilsTest, SizesEqualWithinEpsilon) {
constexpr int kMaxInt = std::numeric_limits<int>::max();
// Large sizes
EXPECT_TRUE(SizesEqualWithinEpsilon(gfx::Size(kMaxInt, kMaxInt),
gfx::Size(kMaxInt - 1, kMaxInt - 1), 1));
EXPECT_FALSE(SizesEqualWithinEpsilon(gfx::Size(kMaxInt, kMaxInt),
gfx::Size(kMaxInt - 1, kMaxInt - 2), 1));
EXPECT_TRUE(SizesEqualWithinEpsilon(gfx::Size(kMaxInt, kMaxInt),
gfx::Size(0, 0), kMaxInt));
EXPECT_FALSE(SizesEqualWithinEpsilon(gfx::Size(kMaxInt, kMaxInt),
gfx::Size(0, 0), kMaxInt - 1));
// Empty sizes
EXPECT_TRUE(SizesEqualWithinEpsilon(gfx::Size(0, 0), gfx::Size(0, 0), 0));
EXPECT_TRUE(SizesEqualWithinEpsilon(gfx::Size(1, 0), gfx::Size(0, 2), 0));
EXPECT_TRUE(SizesEqualWithinEpsilon(gfx::Size(1, -2), gfx::Size(-1, 2), 0));
// Common paper sizes
EXPECT_FALSE(SizesEqualWithinEpsilon(kNaLetterMicrons, kIsoA4Microns, 1000));
EXPECT_TRUE(SizesEqualWithinEpsilon(kNaLetterMicrons,
gfx::Size(215900, 279400), 500));
EXPECT_TRUE(
SizesEqualWithinEpsilon(kIsoA4Microns, gfx::Size(210500, 296500), 500));
}
#endif // BUILDFLAG(USE_CUPS) && !BUILDFLAG(IS_CHROMEOS_ASH)
#if BUILDFLAG(IS_WIN)
TEST(PrintingUtilsTest, GetCenteredPageContentRect) {
gfx::Rect page_content;
// No centering.
gfx::Size page_size = gfx::Size(1200, 1200);
gfx::Rect page_content_rect = gfx::Rect(0, 0, 400, 1100);
page_content = GetCenteredPageContentRect(gfx::Size(1000, 1000), page_size,
page_content_rect);
EXPECT_EQ(0, page_content.x());
EXPECT_EQ(0, page_content.y());
EXPECT_EQ(400, page_content.width());
EXPECT_EQ(1100, page_content.height());
// X centered.
page_size = gfx::Size(500, 1200);
page_content = GetCenteredPageContentRect(gfx::Size(1000, 1000), page_size,
page_content_rect);
EXPECT_EQ(250, page_content.x());
EXPECT_EQ(0, page_content.y());
EXPECT_EQ(400, page_content.width());
EXPECT_EQ(1100, page_content.height());
// Y centered.
page_size = gfx::Size(1200, 500);
page_content = GetCenteredPageContentRect(gfx::Size(1000, 1000), page_size,
page_content_rect);
EXPECT_EQ(0, page_content.x());
EXPECT_EQ(250, page_content.y());
EXPECT_EQ(400, page_content.width());
EXPECT_EQ(1100, page_content.height());
// Both X and Y centered.
page_size = gfx::Size(500, 500),
page_content = GetCenteredPageContentRect(gfx::Size(1000, 1000), page_size,
page_content_rect);
EXPECT_EQ(250, page_content.x());
EXPECT_EQ(250, page_content.y());
EXPECT_EQ(400, page_content.width());
EXPECT_EQ(1100, page_content.height());
}
// Disabled - see crbug.com/1231528 for context.
TEST_F(PrintingUtilsWinTest, DISABLED_GetPrintableAreaDeviceUnits) {
if (IsTestCaseDisabled()) {
return;
}
std::wstring printer_name = GetDefaultPrinter();
ScopedPrinterHandle printer;
ASSERT_TRUE(printer.OpenPrinterWithName(printer_name.c_str()));
const DEVMODE* dev_mode = nullptr;
PrinterInfo2 info_2;
if (info_2.Init(printer.Get())) {
dev_mode = info_2.get()->pDevMode;
}
ASSERT_TRUE(dev_mode);
base::win::ScopedCreateDC hdc(
CreateDC(L"WINSPOOL", printer_name.c_str(), nullptr, dev_mode));
ASSERT_TRUE(hdc.Get());
// Check that getting printable area is successful and the resulting area is
// non-empty.
gfx::Rect output = GetPrintableAreaDeviceUnits(hdc.Get());
EXPECT_FALSE(output.IsEmpty());
}
#endif // BUILDFLAG(IS_WIN)
} // namespace printing
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