diff options
| -rw-r--r-- | fpdfsdk/fpdftext_embeddertest.cpp | 151 |
1 files changed, 74 insertions, 77 deletions
diff --git a/fpdfsdk/fpdftext_embeddertest.cpp b/fpdfsdk/fpdftext_embeddertest.cpp index 6c30fc6b5b..bab6b3fce9 100644 --- a/fpdfsdk/fpdftext_embeddertest.cpp +++ b/fpdfsdk/fpdftext_embeddertest.cpp @@ -38,34 +38,34 @@ TEST_F(FPDFTextEmbeddertest, Text) { FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page); EXPECT_TRUE(textpage); - static const char expected[] = "Hello, world!\r\nGoodbye, world!"; - unsigned short fixed_buffer[128]; - memset(fixed_buffer, 0xbd, sizeof(fixed_buffer)); + static const char kExpected[] = "Hello, world!\r\nGoodbye, world!"; + unsigned short buffer[128]; + memset(buffer, 0xbd, sizeof(buffer)); // Check that edge cases are handled gracefully EXPECT_EQ(0, FPDFText_GetText(textpage, 0, 128, nullptr)); - EXPECT_EQ(0, FPDFText_GetText(textpage, -1, 128, fixed_buffer)); - EXPECT_EQ(0, FPDFText_GetText(textpage, 0, -1, fixed_buffer)); - EXPECT_EQ(1, FPDFText_GetText(textpage, 0, 0, fixed_buffer)); - EXPECT_EQ(0, fixed_buffer[0]); + EXPECT_EQ(0, FPDFText_GetText(textpage, -1, 128, buffer)); + EXPECT_EQ(0, FPDFText_GetText(textpage, 0, -1, buffer)); + EXPECT_EQ(1, FPDFText_GetText(textpage, 0, 0, buffer)); + EXPECT_EQ(0, buffer[0]); // Keep going and check the next case. - memset(fixed_buffer, 0xbd, sizeof(fixed_buffer)); - EXPECT_EQ(2, FPDFText_GetText(textpage, 0, 1, fixed_buffer)); - EXPECT_EQ(expected[0], fixed_buffer[0]); - EXPECT_EQ(0, fixed_buffer[1]); + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(2, FPDFText_GetText(textpage, 0, 1, buffer)); + EXPECT_EQ(kExpected[0], buffer[0]); + EXPECT_EQ(0, buffer[1]); // Check includes the terminating NUL that is provided. - int num_chars = FPDFText_GetText(textpage, 0, 128, fixed_buffer); + int num_chars = FPDFText_GetText(textpage, 0, 128, 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))); + EXPECT_EQ(sizeof(kExpected), static_cast<size_t>(num_chars)); + EXPECT_TRUE(check_unsigned_shorts(kExpected, buffer, sizeof(kExpected))); // Count does not include the terminating NUL in the string literal. - EXPECT_EQ(sizeof(expected) - 1, + EXPECT_EQ(sizeof(kExpected) - 1, static_cast<size_t>(FPDFText_CountChars(textpage))); - for (size_t i = 0; i < sizeof(expected) - 1; ++i) { - EXPECT_EQ(static_cast<unsigned int>(expected[i]), + for (size_t i = 0; i < sizeof(kExpected) - 1; ++i) { + EXPECT_EQ(static_cast<unsigned int>(kExpected[i]), FPDFText_GetUnicode(textpage, i)) << " at " << i; } @@ -73,12 +73,12 @@ TEST_F(FPDFTextEmbeddertest, Text) { // Extracting using a buffer that will be completely filled. Small buffer is // 12 elements long, since it will need 2 locations per displayed character in // the expected string, plus 2 more for the terminating character. - static const char small_expected[] = "Hello"; + static const char kSmallExpected[] = "Hello"; unsigned short small_buffer[12]; - memset(fixed_buffer, 0xbd, sizeof(fixed_buffer)); + memset(buffer, 0xbd, sizeof(buffer)); EXPECT_EQ(6, FPDFText_GetText(textpage, 0, 5, small_buffer)); - EXPECT_TRUE(check_unsigned_shorts(small_expected, small_buffer, - sizeof(small_expected))); + EXPECT_TRUE(check_unsigned_shorts(kSmallExpected, small_buffer, + sizeof(kSmallExpected))); EXPECT_EQ(12.0, FPDFText_GetFontSize(textpage, 0)); EXPECT_EQ(16.0, FPDFText_GetFontSize(textpage, 15)); @@ -125,7 +125,7 @@ TEST_F(FPDFTextEmbeddertest, Text) { 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)); + EXPECT_EQ(2, FPDFText_CountRects(textpage, 0, sizeof(kExpected) - 1)); left = 0.0; right = 0.0; @@ -161,24 +161,24 @@ TEST_F(FPDFTextEmbeddertest, Text) { 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)); + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ( + 1, FPDFText_GetBoundedText(textpage, 41.0, 56.0, 82.0, 48.0, buffer, 1)); + EXPECT_TRUE(check_unsigned_shorts(kExpected + 4, buffer, 1)); + EXPECT_EQ(0xbdbd, buffer[1]); + + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ( + 9, FPDFText_GetBoundedText(textpage, 41.0, 56.0, 82.0, 48.0, buffer, 9)); + EXPECT_TRUE(check_unsigned_shorts(kExpected + 4, buffer, 9)); + EXPECT_EQ(0xbdbd, buffer[9]); + + memset(buffer, 0xbd, sizeof(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]); + buffer, 128)); + EXPECT_TRUE(check_unsigned_shorts(kExpected + 4, buffer, 9)); + EXPECT_EQ(0u, buffer[9]); + EXPECT_EQ(0xbdbd, buffer[10]); FPDFText_ClosePage(textpage); UnloadPage(page); @@ -333,39 +333,38 @@ TEST_F(FPDFTextEmbeddertest, WebLinks) { static const char expected_url[] = "http://example.com?q=foo"; static const size_t expected_len = sizeof(expected_url); - unsigned short fixed_buffer[128]; + unsigned short 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]); + memset(buffer, 0xbd, sizeof(buffer)); + EXPECT_EQ(1, FPDFLink_GetURL(pagelink, 0, buffer, 1)); + EXPECT_TRUE(check_unsigned_shorts(expected_url, buffer, 1)); + EXPECT_EQ(0xbdbd, buffer[1]); // Check buffer that doesn't have space for a terminating NUL. - memset(fixed_buffer, 0xbd, sizeof(fixed_buffer)); + memset(buffer, 0xbd, sizeof(buffer)); EXPECT_EQ(static_cast<int>(expected_len - 1), - FPDFLink_GetURL(pagelink, 0, fixed_buffer, expected_len - 1)); - EXPECT_TRUE( - check_unsigned_shorts(expected_url, fixed_buffer, expected_len - 1)); - EXPECT_EQ(0xbdbd, fixed_buffer[expected_len - 1]); + FPDFLink_GetURL(pagelink, 0, buffer, expected_len - 1)); + EXPECT_TRUE(check_unsigned_shorts(expected_url, buffer, expected_len - 1)); + EXPECT_EQ(0xbdbd, buffer[expected_len - 1]); // Retreive link with exactly-sized buffer. - memset(fixed_buffer, 0xbd, sizeof(fixed_buffer)); + memset(buffer, 0xbd, sizeof(buffer)); EXPECT_EQ(static_cast<int>(expected_len), - FPDFLink_GetURL(pagelink, 0, fixed_buffer, expected_len)); - EXPECT_TRUE(check_unsigned_shorts(expected_url, fixed_buffer, expected_len)); - EXPECT_EQ(0u, fixed_buffer[expected_len - 1]); - EXPECT_EQ(0xbdbd, fixed_buffer[expected_len]); + FPDFLink_GetURL(pagelink, 0, buffer, expected_len)); + EXPECT_TRUE(check_unsigned_shorts(expected_url, buffer, expected_len)); + EXPECT_EQ(0u, buffer[expected_len - 1]); + EXPECT_EQ(0xbdbd, buffer[expected_len]); // Retreive link with ample-sized-buffer. - memset(fixed_buffer, 0xbd, sizeof(fixed_buffer)); + memset(buffer, 0xbd, sizeof(buffer)); EXPECT_EQ(static_cast<int>(expected_len), - FPDFLink_GetURL(pagelink, 0, fixed_buffer, 128)); - EXPECT_TRUE(check_unsigned_shorts(expected_url, fixed_buffer, expected_len)); - EXPECT_EQ(0u, fixed_buffer[expected_len - 1]); - EXPECT_EQ(0xbdbd, fixed_buffer[expected_len]); + FPDFLink_GetURL(pagelink, 0, buffer, 128)); + EXPECT_TRUE(check_unsigned_shorts(expected_url, buffer, expected_len)); + EXPECT_EQ(0u, buffer[expected_len - 1]); + EXPECT_EQ(0xbdbd, buffer[expected_len]); // Each link rendered in a single rect in this test page. EXPECT_EQ(1, FPDFLink_CountRects(pagelink, 0)); @@ -437,17 +436,15 @@ TEST_F(FPDFTextEmbeddertest, WebLinksAcrossLines) { EXPECT_EQ(kNumLinks, FPDFLink_CountWebLinks(pagelink)); - unsigned short fixed_buffer[128]; + unsigned short buffer[128]; for (int i = 0; i < kNumLinks; i++) { const size_t expected_len = strlen(kExpectedUrls[i]) + 1; - memset(fixed_buffer, 0, FX_ArraySize(fixed_buffer)); + memset(buffer, 0, FX_ArraySize(buffer)); EXPECT_EQ(static_cast<int>(expected_len), FPDFLink_GetURL(pagelink, i, nullptr, 0)); - EXPECT_EQ( - static_cast<int>(expected_len), - FPDFLink_GetURL(pagelink, i, fixed_buffer, FX_ArraySize(fixed_buffer))); - EXPECT_TRUE( - check_unsigned_shorts(kExpectedUrls[i], fixed_buffer, expected_len)); + EXPECT_EQ(static_cast<int>(expected_len), + FPDFLink_GetURL(pagelink, i, buffer, FX_ArraySize(buffer))); + EXPECT_TRUE(check_unsigned_shorts(kExpectedUrls[i], buffer, expected_len)); } FPDFLink_CloseWebLinks(pagelink); @@ -467,15 +464,15 @@ TEST_F(FPDFTextEmbeddertest, WebLinksAcrossLinesBug) { EXPECT_TRUE(pagelink); EXPECT_EQ(2, FPDFLink_CountWebLinks(pagelink)); - unsigned short fixed_buffer[128] = {0}; + unsigned short buffer[128] = {0}; static const char kExpectedUrl[] = "http://tutorial45.com/learn-autocad-basics-day-166/"; static const int kUrlSize = static_cast<int>(sizeof(kExpectedUrl)); EXPECT_EQ(kUrlSize, FPDFLink_GetURL(pagelink, 1, nullptr, 0)); - EXPECT_EQ(kUrlSize, FPDFLink_GetURL(pagelink, 1, fixed_buffer, - FX_ArraySize(fixed_buffer))); - EXPECT_TRUE(check_unsigned_shorts(kExpectedUrl, fixed_buffer, kUrlSize)); + EXPECT_EQ(kUrlSize, + FPDFLink_GetURL(pagelink, 1, buffer, FX_ArraySize(buffer))); + EXPECT_TRUE(check_unsigned_shorts(kExpectedUrl, buffer, kUrlSize)); FPDFLink_CloseWebLinks(pagelink); FPDFText_ClosePage(textpage); @@ -617,25 +614,25 @@ TEST_F(FPDFTextEmbeddertest, ControlCharacters) { // Should not include the control characters in the output static const char expected[] = "Hello, world!\r\nGoodbye, world!"; - unsigned short fixed_buffer[128]; - memset(fixed_buffer, 0xbd, sizeof(fixed_buffer)); - int num_chars = FPDFText_GetText(textpage, 0, 128, fixed_buffer); + unsigned short buffer[128]; + memset(buffer, 0xbd, sizeof(buffer)); + int num_chars = FPDFText_GetText(textpage, 0, 128, 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))); + EXPECT_TRUE(check_unsigned_shorts(expected, buffer, sizeof(expected))); // Attempting to get a chunk of text after the control characters static const char expected_substring[] = "Goodbye, world!"; // Offset is the length of 'Hello, world!\r\n' + 2 control characters in the // original stream static const int offset = 17; - memset(fixed_buffer, 0xbd, sizeof(fixed_buffer)); - num_chars = FPDFText_GetText(textpage, offset, 128, fixed_buffer); + memset(buffer, 0xbd, sizeof(buffer)); + num_chars = FPDFText_GetText(textpage, offset, 128, buffer); ASSERT_GE(num_chars, 0); EXPECT_EQ(sizeof(expected_substring), static_cast<size_t>(num_chars)); - EXPECT_TRUE(check_unsigned_shorts(expected_substring, fixed_buffer, + EXPECT_TRUE(check_unsigned_shorts(expected_substring, buffer, sizeof(expected_substring))); FPDFText_ClosePage(textpage); |