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Diffstat (limited to 'fpdfsdk/src/fpdftext_embeddertest.cpp')
| -rw-r--r-- | fpdfsdk/src/fpdftext_embeddertest.cpp | 391 |
1 files changed, 0 insertions, 391 deletions
diff --git a/fpdfsdk/src/fpdftext_embeddertest.cpp b/fpdfsdk/src/fpdftext_embeddertest.cpp deleted file mode 100644 index 3eaa5815d9..0000000000 --- a/fpdfsdk/src/fpdftext_embeddertest.cpp +++ /dev/null @@ -1,391 +0,0 @@ -// Copyright 2015 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 "core/include/fxcrt/fx_basic.h" -#include "public/fpdf_text.h" -#include "public/fpdfview.h" -#include "testing/embedder_test.h" -#include "testing/gtest/include/gtest/gtest.h" -#include "testing/test_support.h" - -namespace { - -bool check_unsigned_shorts(const char* expected, - const unsigned short* actual, - size_t length) { - if (length > strlen(expected) + 1) { - return false; - } - for (size_t i = 0; i < length; ++i) { - if (actual[i] != static_cast<unsigned short>(expected[i])) { - return false; - } - } - return true; -} - -} // namespace - -class FPDFTextEmbeddertest : public EmbedderTest {}; - -TEST_F(FPDFTextEmbeddertest, Text) { - EXPECT_TRUE(OpenDocument("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, TextSearch) { - EXPECT_TRUE(OpenDocument("hello_world.pdf")); - FPDF_PAGE page = LoadPage(0); - EXPECT_NE(nullptr, page); - - FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page); - EXPECT_NE(nullptr, 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_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.get(), 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.get(), - 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.get(), 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.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); -} - -// Test that the page has characters despite a bad stream length. -TEST_F(FPDFTextEmbeddertest, StreamLengthPastEndOfFile) { - EXPECT_TRUE(OpenDocument("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, WebLinks) { - EXPECT_TRUE(OpenDocument("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, GetFontSize) { - EXPECT_TRUE(OpenDocument("hello_world.pdf")); - FPDF_PAGE page = LoadPage(0); - EXPECT_NE(nullptr, page); - - FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page); - EXPECT_NE(nullptr, 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), count); - for (int i = 0; i < count; ++i) - EXPECT_EQ(kExpectedFontsSizes[i], FPDFText_GetFontSize(textpage, i)) << i; - - FPDFText_ClosePage(textpage); - UnloadPage(page); -} |