// Test that the page has characters despite a bad stream length.
TEST_F(FPDFTextEmbeddertest, StreamLengthPastEndOfFile) {
EXPECT_TRUE(OpenDocument("testing/resources/bug_57.pdf"));
FPDF_PAGE page = LoadPage(0);
EXPECT_NE(nullptr, page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
EXPECT_NE(nullptr, textpage);
EXPECT_EQ(13, FPDFText_CountChars(textpage));
FPDFText_ClosePage(textpage);
UnloadPage(page);
}
TEST_F(FPDFTextEmbeddertest, ToUnicode) {
EXPECT_TRUE(OpenDocument("bug_583.pdf"));
FPDF_PAGE page = LoadPage(0);
EXPECT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
EXPECT_TRUE(textpage);
ASSERT_EQ(1, FPDFText_CountChars(textpage));
EXPECT_EQ(static_cast<unsigned int>(0), FPDFText_GetUnicode(textpage, 0));
FPDFText_ClosePage(textpage);
UnloadPage(page);
}
void wxPDFViewPage::Unload()
{
if (m_page)
{
FPDF_ClosePage(m_page);
if (m_pages->form())
FORM_OnBeforeClosePage(m_page, m_pages->form());
m_page = NULL;
}
if (m_textPage)
{
FPDFText_ClosePage(m_textPage);
m_textPage = NULL;
}
}
TEST_F(FPDFTextEmbeddertest, GetFontSize) {
EXPECT_TRUE(OpenDocument("hello_world.pdf"));
FPDF_PAGE page = LoadPage(0);
EXPECT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
EXPECT_TRUE(textpage);
const double kExpectedFontsSizes[] = {12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
12, 12, 12, 1, 1, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16, 16, 16};
int count = FPDFText_CountChars(textpage);
ASSERT_EQ(FX_ArraySize(kExpectedFontsSizes), static_cast<size_t>(count));
for (int i = 0; i < count; ++i)
EXPECT_EQ(kExpectedFontsSizes[i], FPDFText_GetFontSize(textpage, i)) << i;
FPDFText_ClosePage(textpage);
UnloadPage(page);
}
TEST_F(FPDFTextEmbeddertest, Text) {
EXPECT_TRUE(OpenDocument("testing/resources/hello_world.pdf"));
FPDF_PAGE page = LoadPage(0);
EXPECT_NE(nullptr, page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
EXPECT_NE(nullptr, textpage);
static const char expected[] = "Hello, world!\r\nGoodbye, world!";
unsigned short fixed_buffer[128];
memset(fixed_buffer, 0xbd, sizeof(fixed_buffer));
// Check includes the terminating NUL that is provided.
int num_chars = FPDFText_GetText(textpage, 0, 128, fixed_buffer);
ASSERT_GE(num_chars, 0);
EXPECT_EQ(sizeof(expected), static_cast<size_t>(num_chars));
EXPECT_TRUE(check_unsigned_shorts(expected, fixed_buffer, sizeof(expected)));
// Count does not include the terminating NUL in the string literal.
EXPECT_EQ(sizeof(expected) - 1, FPDFText_CountChars(textpage));
for (size_t i = 0; i < sizeof(expected) - 1; ++i) {
EXPECT_EQ(static_cast<unsigned int>(expected[i]),
FPDFText_GetUnicode(textpage, i))
<< " at " << i;
}
EXPECT_EQ(12.0, FPDFText_GetFontSize(textpage, 0));
EXPECT_EQ(16.0, FPDFText_GetFontSize(textpage, 15));
double left = 0.0;
double right = 0.0;
double bottom = 0.0;
double top = 0.0;
FPDFText_GetCharBox(textpage, 4, &left, &right, &bottom, &top);
EXPECT_NEAR(41.071, left, 0.001);
EXPECT_NEAR(46.243, right, 0.001);
EXPECT_NEAR(49.844, bottom, 0.001);
EXPECT_NEAR(55.520, top, 0.001);
EXPECT_EQ(4, FPDFText_GetCharIndexAtPos(textpage, 42.0, 50.0, 1.0, 1.0));
EXPECT_EQ(-1, FPDFText_GetCharIndexAtPos(textpage, 0.0, 0.0, 1.0, 1.0));
EXPECT_EQ(-1, FPDFText_GetCharIndexAtPos(textpage, 199.0, 199.0, 1.0, 1.0));
// Test out of range indicies.
EXPECT_EQ(-1,
FPDFText_GetCharIndexAtPos(textpage, 42.0, 10000000.0, 1.0, 1.0));
EXPECT_EQ(-1, FPDFText_GetCharIndexAtPos(textpage, -1.0, 50.0, 1.0, 1.0));
// Count does not include the terminating NUL in the string literal.
EXPECT_EQ(2, FPDFText_CountRects(textpage, 0, sizeof(expected) - 1));
left = 0.0;
right = 0.0;
bottom = 0.0;
top = 0.0;
FPDFText_GetRect(textpage, 1, &left, &top, &right, &bottom);
EXPECT_NEAR(20.847, left, 0.001);
EXPECT_NEAR(135.167, right, 0.001);
EXPECT_NEAR(96.655, bottom, 0.001);
EXPECT_NEAR(116.000, top, 0.001);
// Test out of range indicies set outputs to (0.0, 0.0, 0.0, 0.0).
left = -1.0;
right = -1.0;
bottom = -1.0;
top = -1.0;
FPDFText_GetRect(textpage, -1, &left, &top, &right, &bottom);
EXPECT_EQ(0.0, left);
EXPECT_EQ(0.0, right);
EXPECT_EQ(0.0, bottom);
EXPECT_EQ(0.0, top);
left = -2.0;
right = -2.0;
bottom = -2.0;
top = -2.0;
FPDFText_GetRect(textpage, 2, &left, &top, &right, &bottom);
EXPECT_EQ(0.0, left);
EXPECT_EQ(0.0, right);
EXPECT_EQ(0.0, bottom);
EXPECT_EQ(0.0, top);
EXPECT_EQ(9, FPDFText_GetBoundedText(textpage, 41.0, 56.0, 82.0, 48.0, 0, 0));
// Extract starting at character 4 as above.
memset(fixed_buffer, 0xbd, sizeof(fixed_buffer));
EXPECT_EQ(1, FPDFText_GetBoundedText(textpage, 41.0, 56.0, 82.0, 48.0,
fixed_buffer, 1));
EXPECT_TRUE(check_unsigned_shorts(expected + 4, fixed_buffer, 1));
EXPECT_EQ(0xbdbd, fixed_buffer[1]);
memset(fixed_buffer, 0xbd, sizeof(fixed_buffer));
EXPECT_EQ(9, FPDFText_GetBoundedText(textpage, 41.0, 56.0, 82.0, 48.0,
fixed_buffer, 9));
EXPECT_TRUE(check_unsigned_shorts(expected + 4, fixed_buffer, 9));
EXPECT_EQ(0xbdbd, fixed_buffer[9]);
memset(fixed_buffer, 0xbd, sizeof(fixed_buffer));
EXPECT_EQ(10, FPDFText_GetBoundedText(textpage, 41.0, 56.0, 82.0, 48.0,
fixed_buffer, 128));
EXPECT_TRUE(check_unsigned_shorts(expected + 4, fixed_buffer, 9));
EXPECT_EQ(0u, fixed_buffer[9]);
EXPECT_EQ(0xbdbd, fixed_buffer[10]);
FPDFText_ClosePage(textpage);
UnloadPage(page);
}
TEST_F(FPDFTextEmbeddertest, WebLinks) {
EXPECT_TRUE(OpenDocument("testing/resources/weblinks.pdf"));
FPDF_PAGE page = LoadPage(0);
EXPECT_NE(nullptr, page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
EXPECT_NE(nullptr, textpage);
FPDF_PAGELINK pagelink = FPDFLink_LoadWebLinks(textpage);
EXPECT_NE(nullptr, pagelink);
// Page contains two HTTP-style URLs.
EXPECT_EQ(2, FPDFLink_CountWebLinks(pagelink));
// Only a terminating NUL required for bogus links.
EXPECT_EQ(1, FPDFLink_GetURL(pagelink, 2, nullptr, 0));
EXPECT_EQ(1, FPDFLink_GetURL(pagelink, 1400, nullptr, 0));
EXPECT_EQ(1, FPDFLink_GetURL(pagelink, -1, nullptr, 0));
// Query the number of characters required for each link (incl NUL).
EXPECT_EQ(25, FPDFLink_GetURL(pagelink, 0, nullptr, 0));
EXPECT_EQ(26, FPDFLink_GetURL(pagelink, 1, nullptr, 0));
static const char expected_url[] = "http://example.com?q=foo";
unsigned short fixed_buffer[128];
// Retrieve a link with too small a buffer. Buffer will not be
// NUL-terminated, but must not be modified past indicated length,
// so pre-fill with a pattern to check write bounds.
memset(fixed_buffer, 0xbd, sizeof(fixed_buffer));
EXPECT_EQ(1, FPDFLink_GetURL(pagelink, 0, fixed_buffer, 1));
EXPECT_TRUE(check_unsigned_shorts(expected_url, fixed_buffer, 1));
EXPECT_EQ(0xbdbd, fixed_buffer[1]);
// Check buffer that doesn't have space for a terminating NUL.
memset(fixed_buffer, 0xbd, sizeof(fixed_buffer));
EXPECT_EQ(
sizeof(expected_url) - 1,
FPDFLink_GetURL(pagelink, 0, fixed_buffer, sizeof(expected_url) - 1));
EXPECT_TRUE(check_unsigned_shorts(expected_url, fixed_buffer,
sizeof(expected_url) - 1));
EXPECT_EQ(0xbdbd, fixed_buffer[sizeof(expected_url) - 1]);
// Retreive link with exactly-sized buffer.
memset(fixed_buffer, 0xbd, sizeof(fixed_buffer));
EXPECT_EQ(sizeof(expected_url),
FPDFLink_GetURL(pagelink, 0, fixed_buffer, sizeof(expected_url)));
EXPECT_TRUE(
check_unsigned_shorts(expected_url, fixed_buffer, sizeof(expected_url)));
EXPECT_EQ(0u, fixed_buffer[sizeof(expected_url) - 1]);
EXPECT_EQ(0xbdbd, fixed_buffer[sizeof(expected_url)]);
// Retreive link with ample-sized-buffer.
memset(fixed_buffer, 0xbd, sizeof(fixed_buffer));
EXPECT_EQ(sizeof(expected_url),
FPDFLink_GetURL(pagelink, 0, fixed_buffer, 128));
EXPECT_TRUE(
check_unsigned_shorts(expected_url, fixed_buffer, sizeof(expected_url)));
EXPECT_EQ(0u, fixed_buffer[sizeof(expected_url) - 1]);
EXPECT_EQ(0xbdbd, fixed_buffer[sizeof(expected_url)]);
// Each link rendered in a single rect in this test page.
EXPECT_EQ(1, FPDFLink_CountRects(pagelink, 0));
EXPECT_EQ(1, FPDFLink_CountRects(pagelink, 1));
// Each link rendered in a single rect in this test page.
EXPECT_EQ(0, FPDFLink_CountRects(pagelink, -1));
EXPECT_EQ(0, FPDFLink_CountRects(pagelink, 2));
EXPECT_EQ(0, FPDFLink_CountRects(pagelink, 10000));
// Check boundary of valid link index with valid rect index.
double left = 0.0;
double right = 0.0;
double top = 0.0;
double bottom = 0.0;
FPDFLink_GetRect(pagelink, 0, 0, &left, &top, &right, &bottom);
EXPECT_NEAR(50.791, left, 0.001);
EXPECT_NEAR(187.963, right, 0.001);
EXPECT_NEAR(97.624, bottom, 0.001);
EXPECT_NEAR(108.736, top, 0.001);
// Check that valid link with invalid rect index leaves parameters unchanged.
left = -1.0;
right = -1.0;
top = -1.0;
bottom = -1.0;
FPDFLink_GetRect(pagelink, 0, 1, &left, &top, &right, &bottom);
EXPECT_EQ(-1.0, left);
EXPECT_EQ(-1.0, right);
EXPECT_EQ(-1.0, bottom);
EXPECT_EQ(-1.0, top);
// Check that invalid link index leaves parameters unchanged.
left = -2.0;
right = -2.0;
top = -2.0;
bottom = -2.0;
FPDFLink_GetRect(pagelink, -1, 0, &left, &top, &right, &bottom);
EXPECT_EQ(-2.0, left);
EXPECT_EQ(-2.0, right);
EXPECT_EQ(-2.0, bottom);
EXPECT_EQ(-2.0, top);
FPDFLink_CloseWebLinks(pagelink);
FPDFText_ClosePage(textpage);
UnloadPage(page);
}
TEST_F(FPDFTextEmbeddertest, TextSearch) {
EXPECT_TRUE(OpenDocument("testing/resources/hello_world.pdf"));
FPDF_PAGE page = LoadPage(0);
EXPECT_NE(nullptr, page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
EXPECT_NE(nullptr, textpage);
// Avoid issues with system wchar_t width vs. FPDF_WideString.
const unsigned short nope[] = {'n', 'o', 'p', 'e', '\0'};
const unsigned short world[] = {'w', 'o', 'r', 'l', 'd', '\0'};
const unsigned short world_caps[] = {'W', 'O', 'R', 'L', 'D', '\0'};
const unsigned short world_substr[] = {'o', 'r', 'l', 'd', '\0'};
// No occurences of "nope" in test page.
FPDF_SCHHANDLE search = FPDFText_FindStart(textpage, nope, 0, 0);
EXPECT_NE(nullptr, search);
EXPECT_EQ(0, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(0, FPDFText_GetSchCount(search));
// Advancing finds nothing.
EXPECT_FALSE(FPDFText_FindNext(search));
EXPECT_EQ(0, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(0, FPDFText_GetSchCount(search));
// Retreating finds nothing.
EXPECT_FALSE(FPDFText_FindPrev(search));
EXPECT_EQ(0, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(0, FPDFText_GetSchCount(search));
FPDFText_FindClose(search);
// Two occurences of "world" in test page.
search = FPDFText_FindStart(textpage, world, 0, 2);
EXPECT_NE(nullptr, search);
// Remains not found until advanced.
EXPECT_EQ(0, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(0, FPDFText_GetSchCount(search));
// First occurence of "world" in this test page.
EXPECT_TRUE(FPDFText_FindNext(search));
EXPECT_EQ(7, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(5, FPDFText_GetSchCount(search));
// Last occurence of "world" in this test page.
EXPECT_TRUE(FPDFText_FindNext(search));
EXPECT_EQ(24, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(5, FPDFText_GetSchCount(search));
// Found position unchanged when fails to advance.
EXPECT_FALSE(FPDFText_FindNext(search));
EXPECT_EQ(24, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(5, FPDFText_GetSchCount(search));
// Back to first occurence.
EXPECT_TRUE(FPDFText_FindPrev(search));
EXPECT_EQ(7, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(5, FPDFText_GetSchCount(search));
// Found position unchanged when fails to retreat.
EXPECT_FALSE(FPDFText_FindPrev(search));
EXPECT_EQ(7, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(5, FPDFText_GetSchCount(search));
FPDFText_FindClose(search);
// Exact search unaffected by case sensitiity and whole word flags.
search = FPDFText_FindStart(textpage, world,
FPDF_MATCHCASE | FPDF_MATCHWHOLEWORD, 0);
EXPECT_NE(nullptr, search);
EXPECT_TRUE(FPDFText_FindNext(search));
EXPECT_EQ(7, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(5, FPDFText_GetSchCount(search));
FPDFText_FindClose(search);
// Default is case-insensitive, so matching agaist caps works.
search = FPDFText_FindStart(textpage, world_caps, 0, 0);
EXPECT_NE(nullptr, search);
EXPECT_TRUE(FPDFText_FindNext(search));
EXPECT_EQ(7, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(5, FPDFText_GetSchCount(search));
FPDFText_FindClose(search);
// But can be made case sensitive, in which case this fails.
search = FPDFText_FindStart(textpage, world_caps, FPDF_MATCHCASE, 0);
EXPECT_FALSE(FPDFText_FindNext(search));
EXPECT_EQ(0, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(0, FPDFText_GetSchCount(search));
FPDFText_FindClose(search);
// Default is match anywhere within word, so matching substirng works.
search = FPDFText_FindStart(textpage, world_substr, 0, 0);
EXPECT_TRUE(FPDFText_FindNext(search));
EXPECT_EQ(8, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(4, FPDFText_GetSchCount(search));
FPDFText_FindClose(search);
// But can be made to mach word boundaries, in which case this fails.
search = FPDFText_FindStart(textpage, world_substr, FPDF_MATCHWHOLEWORD, 0);
EXPECT_FALSE(FPDFText_FindNext(search));
// TODO(tsepez): investigate strange index/count values in this state.
FPDFText_FindClose(search);
FPDFText_ClosePage(textpage);
UnloadPage(page);
}
TEST_F(FPDFTextEmbeddertest, TextSearch) {
EXPECT_TRUE(OpenDocument("hello_world.pdf"));
FPDF_PAGE page = LoadPage(0);
EXPECT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
EXPECT_TRUE(textpage);
std::unique_ptr<unsigned short, pdfium::FreeDeleter> nope =
GetFPDFWideString(L"nope");
std::unique_ptr<unsigned short, pdfium::FreeDeleter> world =
GetFPDFWideString(L"world");
std::unique_ptr<unsigned short, pdfium::FreeDeleter> world_caps =
GetFPDFWideString(L"WORLD");
std::unique_ptr<unsigned short, pdfium::FreeDeleter> world_substr =
GetFPDFWideString(L"orld");
// No occurences of "nope" in test page.
FPDF_SCHHANDLE search = FPDFText_FindStart(textpage, nope.get(), 0, 0);
EXPECT_TRUE(search);
EXPECT_EQ(0, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(0, FPDFText_GetSchCount(search));
// Advancing finds nothing.
EXPECT_FALSE(FPDFText_FindNext(search));
EXPECT_EQ(0, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(0, FPDFText_GetSchCount(search));
// Retreating finds nothing.
EXPECT_FALSE(FPDFText_FindPrev(search));
EXPECT_EQ(0, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(0, FPDFText_GetSchCount(search));
FPDFText_FindClose(search);
// Two occurences of "world" in test page.
search = FPDFText_FindStart(textpage, world.get(), 0, 2);
EXPECT_TRUE(search);
// Remains not found until advanced.
EXPECT_EQ(0, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(0, FPDFText_GetSchCount(search));
// First occurence of "world" in this test page.
EXPECT_TRUE(FPDFText_FindNext(search));
EXPECT_EQ(7, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(5, FPDFText_GetSchCount(search));
// Last occurence of "world" in this test page.
EXPECT_TRUE(FPDFText_FindNext(search));
EXPECT_EQ(24, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(5, FPDFText_GetSchCount(search));
// Found position unchanged when fails to advance.
EXPECT_FALSE(FPDFText_FindNext(search));
EXPECT_EQ(24, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(5, FPDFText_GetSchCount(search));
// Back to first occurence.
EXPECT_TRUE(FPDFText_FindPrev(search));
EXPECT_EQ(7, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(5, FPDFText_GetSchCount(search));
// Found position unchanged when fails to retreat.
EXPECT_FALSE(FPDFText_FindPrev(search));
EXPECT_EQ(7, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(5, FPDFText_GetSchCount(search));
FPDFText_FindClose(search);
// Exact search unaffected by case sensitiity and whole word flags.
search = FPDFText_FindStart(textpage, world.get(),
FPDF_MATCHCASE | FPDF_MATCHWHOLEWORD, 0);
EXPECT_TRUE(search);
EXPECT_TRUE(FPDFText_FindNext(search));
EXPECT_EQ(7, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(5, FPDFText_GetSchCount(search));
FPDFText_FindClose(search);
// Default is case-insensitive, so matching agaist caps works.
search = FPDFText_FindStart(textpage, world_caps.get(), 0, 0);
EXPECT_TRUE(search);
EXPECT_TRUE(FPDFText_FindNext(search));
EXPECT_EQ(7, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(5, FPDFText_GetSchCount(search));
FPDFText_FindClose(search);
// But can be made case sensitive, in which case this fails.
search = FPDFText_FindStart(textpage, world_caps.get(), FPDF_MATCHCASE, 0);
EXPECT_FALSE(FPDFText_FindNext(search));
EXPECT_EQ(0, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(0, FPDFText_GetSchCount(search));
FPDFText_FindClose(search);
// Default is match anywhere within word, so matching substirng works.
search = FPDFText_FindStart(textpage, world_substr.get(), 0, 0);
EXPECT_TRUE(FPDFText_FindNext(search));
EXPECT_EQ(8, FPDFText_GetSchResultIndex(search));
EXPECT_EQ(4, FPDFText_GetSchCount(search));
FPDFText_FindClose(search);
// But can be made to mach word boundaries, in which case this fails.
search =
FPDFText_FindStart(textpage, world_substr.get(), FPDF_MATCHWHOLEWORD, 0);
EXPECT_FALSE(FPDFText_FindNext(search));
// TODO(tsepez): investigate strange index/count values in this state.
FPDFText_FindClose(search);
FPDFText_ClosePage(textpage);
UnloadPage(page);
}