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Unified Diff: fpdfsdk/src/fpdftext_embeddertest.cpp

Issue 1799773002: Move fpdfsdk/src up to fpdfsdk/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Rebase to master Created 4 years, 9 months ago
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Index: fpdfsdk/src/fpdftext_embeddertest.cpp
diff --git a/fpdfsdk/src/fpdftext_embeddertest.cpp b/fpdfsdk/src/fpdftext_embeddertest.cpp
deleted file mode 100644
index 3eaa5815d9050c8094704babbe3ef7e543fde02b..0000000000000000000000000000000000000000
--- 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);
-}
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