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authorLei Zhang <thestig@chromium.org>2018-03-16 22:48:33 +0000
committerChromium commit bot <commit-bot@chromium.org>2018-03-16 22:48:33 +0000
commit30e0498962e8e4d99225a4da854ffd342677922c (patch)
tree22b4d79771159d958abec15254595b183f595385
parent502e859213060800cc0f3bbcb5d3412c1b9d61a3 (diff)
downloadpdfium-30e0498962e8e4d99225a4da854ffd342677922c.tar.xz
Add more tests for FPDFText_CountRects().chromium/3376chromium/3375chromium/3374
BUG=chromium:821305 Change-Id: I261bc9704363d2a6b930146b2a275d2fa5178165 Reviewed-on: https://pdfium-review.googlesource.com/28692 Commit-Queue: Lei Zhang <thestig@chromium.org> Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
-rw-r--r--fpdfsdk/fpdftext_embeddertest.cpp157
1 files changed, 118 insertions, 39 deletions
diff --git a/fpdfsdk/fpdftext_embeddertest.cpp b/fpdfsdk/fpdftext_embeddertest.cpp
index bab6b3fce9..c056908148 100644
--- a/fpdfsdk/fpdftext_embeddertest.cpp
+++ b/fpdfsdk/fpdftext_embeddertest.cpp
@@ -31,12 +31,12 @@ bool check_unsigned_shorts(const char* expected,
class FPDFTextEmbeddertest : public EmbedderTest {};
TEST_F(FPDFTextEmbeddertest, Text) {
- EXPECT_TRUE(OpenDocument("hello_world.pdf"));
+ ASSERT_TRUE(OpenDocument("hello_world.pdf"));
FPDF_PAGE page = LoadPage(0);
- EXPECT_TRUE(page);
+ ASSERT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
- EXPECT_TRUE(textpage);
+ ASSERT_TRUE(textpage);
static const char kExpected[] = "Hello, world!\r\nGoodbye, world!";
unsigned short buffer[128];
@@ -185,12 +185,12 @@ TEST_F(FPDFTextEmbeddertest, Text) {
}
TEST_F(FPDFTextEmbeddertest, TextSearch) {
- EXPECT_TRUE(OpenDocument("hello_world.pdf"));
+ ASSERT_TRUE(OpenDocument("hello_world.pdf"));
FPDF_PAGE page = LoadPage(0);
- EXPECT_TRUE(page);
+ ASSERT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
- EXPECT_TRUE(textpage);
+ ASSERT_TRUE(textpage);
std::unique_ptr<unsigned short, pdfium::FreeDeleter> nope =
GetFPDFWideString(L"nope");
@@ -296,12 +296,12 @@ TEST_F(FPDFTextEmbeddertest, TextSearch) {
// Test that the page has characters despite a bad stream length.
TEST_F(FPDFTextEmbeddertest, StreamLengthPastEndOfFile) {
- EXPECT_TRUE(OpenDocument("bug_57.pdf"));
+ ASSERT_TRUE(OpenDocument("bug_57.pdf"));
FPDF_PAGE page = LoadPage(0);
- EXPECT_TRUE(page);
+ ASSERT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
- EXPECT_TRUE(textpage);
+ ASSERT_TRUE(textpage);
EXPECT_EQ(13, FPDFText_CountChars(textpage));
FPDFText_ClosePage(textpage);
@@ -309,12 +309,12 @@ TEST_F(FPDFTextEmbeddertest, StreamLengthPastEndOfFile) {
}
TEST_F(FPDFTextEmbeddertest, WebLinks) {
- EXPECT_TRUE(OpenDocument("weblinks.pdf"));
+ ASSERT_TRUE(OpenDocument("weblinks.pdf"));
FPDF_PAGE page = LoadPage(0);
- EXPECT_TRUE(page);
+ ASSERT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
- EXPECT_TRUE(textpage);
+ ASSERT_TRUE(textpage);
FPDF_PAGELINK pagelink = FPDFLink_LoadWebLinks(textpage);
EXPECT_TRUE(pagelink);
@@ -414,12 +414,12 @@ TEST_F(FPDFTextEmbeddertest, WebLinks) {
}
TEST_F(FPDFTextEmbeddertest, WebLinksAcrossLines) {
- EXPECT_TRUE(OpenDocument("weblinks_across_lines.pdf"));
+ ASSERT_TRUE(OpenDocument("weblinks_across_lines.pdf"));
FPDF_PAGE page = LoadPage(0);
- EXPECT_TRUE(page);
+ ASSERT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
- EXPECT_TRUE(textpage);
+ ASSERT_TRUE(textpage);
FPDF_PAGELINK pagelink = FPDFLink_LoadWebLinks(textpage);
EXPECT_TRUE(pagelink);
@@ -453,12 +453,12 @@ TEST_F(FPDFTextEmbeddertest, WebLinksAcrossLines) {
}
TEST_F(FPDFTextEmbeddertest, WebLinksAcrossLinesBug) {
- EXPECT_TRUE(OpenDocument("bug_650.pdf"));
+ ASSERT_TRUE(OpenDocument("bug_650.pdf"));
FPDF_PAGE page = LoadPage(0);
- EXPECT_TRUE(page);
+ ASSERT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
- EXPECT_TRUE(textpage);
+ ASSERT_TRUE(textpage);
FPDF_PAGELINK pagelink = FPDFLink_LoadWebLinks(textpage);
EXPECT_TRUE(pagelink);
@@ -480,12 +480,12 @@ TEST_F(FPDFTextEmbeddertest, WebLinksAcrossLinesBug) {
}
TEST_F(FPDFTextEmbeddertest, GetFontSize) {
- EXPECT_TRUE(OpenDocument("hello_world.pdf"));
+ ASSERT_TRUE(OpenDocument("hello_world.pdf"));
FPDF_PAGE page = LoadPage(0);
- EXPECT_TRUE(page);
+ ASSERT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
- EXPECT_TRUE(textpage);
+ ASSERT_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,
@@ -501,12 +501,12 @@ TEST_F(FPDFTextEmbeddertest, GetFontSize) {
}
TEST_F(FPDFTextEmbeddertest, ToUnicode) {
- EXPECT_TRUE(OpenDocument("bug_583.pdf"));
+ ASSERT_TRUE(OpenDocument("bug_583.pdf"));
FPDF_PAGE page = LoadPage(0);
- EXPECT_TRUE(page);
+ ASSERT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
- EXPECT_TRUE(textpage);
+ ASSERT_TRUE(textpage);
ASSERT_EQ(1, FPDFText_CountChars(textpage));
EXPECT_EQ(static_cast<unsigned int>(0), FPDFText_GetUnicode(textpage, 0));
@@ -516,12 +516,12 @@ TEST_F(FPDFTextEmbeddertest, ToUnicode) {
}
TEST_F(FPDFTextEmbeddertest, Bug_921) {
- EXPECT_TRUE(OpenDocument("bug_921.pdf"));
+ ASSERT_TRUE(OpenDocument("bug_921.pdf"));
FPDF_PAGE page = LoadPage(0);
- EXPECT_TRUE(page);
+ ASSERT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
- EXPECT_TRUE(textpage);
+ ASSERT_TRUE(textpage);
static constexpr unsigned int kData[] = {
1095, 1077, 1083, 1086, 1074, 1077, 1095, 1077, 1089, 1082, 1086, 1077,
@@ -547,12 +547,12 @@ TEST_F(FPDFTextEmbeddertest, Bug_921) {
}
TEST_F(FPDFTextEmbeddertest, GetTextWithHyphen) {
- EXPECT_TRUE(OpenDocument("bug_781804.pdf"));
+ ASSERT_TRUE(OpenDocument("bug_781804.pdf"));
FPDF_PAGE page = LoadPage(0);
- EXPECT_TRUE(page);
+ ASSERT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
- EXPECT_TRUE(textpage);
+ ASSERT_TRUE(textpage);
// Check that soft hyphens are not included
// Expecting 'Veritaserum', except there is a \uFFFE where the hyphen was in
@@ -595,22 +595,22 @@ TEST_F(FPDFTextEmbeddertest, GetTextWithHyphen) {
TEST_F(FPDFTextEmbeddertest, bug_782596) {
// If there is a regression in this test, it will only fail under ASAN
- EXPECT_TRUE(OpenDocument("bug_782596.pdf"));
+ ASSERT_TRUE(OpenDocument("bug_782596.pdf"));
FPDF_PAGE page = LoadPage(0);
- EXPECT_TRUE(page);
+ ASSERT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
- EXPECT_TRUE(textpage);
+ ASSERT_TRUE(textpage);
FPDFText_ClosePage(textpage);
UnloadPage(page);
}
TEST_F(FPDFTextEmbeddertest, ControlCharacters) {
- EXPECT_TRUE(OpenDocument("control_characters.pdf"));
+ ASSERT_TRUE(OpenDocument("control_characters.pdf"));
FPDF_PAGE page = LoadPage(0);
- EXPECT_TRUE(page);
+ ASSERT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
- EXPECT_TRUE(textpage);
+ ASSERT_TRUE(textpage);
// Should not include the control characters in the output
static const char expected[] = "Hello, world!\r\nGoodbye, world!";
@@ -642,12 +642,12 @@ TEST_F(FPDFTextEmbeddertest, ControlCharacters) {
// Testing that hyphen makers (0x0002) are replacing hard hyphens when
// the word contains non-ASCII characters.
TEST_F(FPDFTextEmbeddertest, bug_1029) {
- EXPECT_TRUE(OpenDocument("bug_1029.pdf"));
+ ASSERT_TRUE(OpenDocument("bug_1029.pdf"));
FPDF_PAGE page = LoadPage(0);
- EXPECT_TRUE(page);
+ ASSERT_TRUE(page);
FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
- EXPECT_TRUE(textpage);
+ ASSERT_TRUE(textpage);
constexpr int page_range_offset = 171;
constexpr int page_range_length = 56;
@@ -680,3 +680,82 @@ TEST_F(FPDFTextEmbeddertest, bug_1029) {
FPDFText_ClosePage(textpage);
UnloadPage(page);
}
+
+TEST_F(FPDFTextEmbeddertest, CountRects) {
+ ASSERT_TRUE(OpenDocument("hello_world.pdf"));
+ FPDF_PAGE page = LoadPage(0);
+ ASSERT_TRUE(page);
+
+ FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
+ ASSERT_TRUE(textpage);
+
+ // Sanity check hello_world.pdf.
+ // |num_chars| check includes the terminating NUL that is provided.
+ static const char kExpected[] = "Hello, world!\r\nGoodbye, world!";
+ {
+ unsigned short buffer[128];
+ int num_chars = FPDFText_GetText(textpage, 0, 128, buffer);
+ ASSERT_GE(num_chars, 0);
+ EXPECT_EQ(sizeof(kExpected), static_cast<size_t>(num_chars));
+ EXPECT_TRUE(check_unsigned_shorts(kExpected, buffer, sizeof(kExpected)));
+ }
+
+ // Now test FPDFText_CountRects().
+ static const int kHelloWorldEnd = strlen("Hello, world!");
+ static const int kGoodbyeWorldStart = kHelloWorldEnd + 2; // "\r\n"
+ for (int start = 0; start < kHelloWorldEnd; ++start) {
+ // Always grab some part of "hello world" and some part of "goodbye world"
+ // Since -1 means "all".
+ EXPECT_EQ(2, FPDFText_CountRects(textpage, start, -1));
+
+ // No characters always means 0 rects.
+ EXPECT_EQ(0, FPDFText_CountRects(textpage, start, 0));
+
+ // 1 character stays within "hello world"
+ EXPECT_EQ(1, FPDFText_CountRects(textpage, start, 1));
+
+ // When |start| is 0, Having |kGoodbyeWorldStart| char count does not reach
+ // "goodbye world".
+ int expected_value = start ? 2 : 1;
+ EXPECT_EQ(expected_value,
+ FPDFText_CountRects(textpage, start, kGoodbyeWorldStart));
+
+ // Extremely large character count will always return 2 rects because
+ // |start| starts inside "hello world".
+ EXPECT_EQ(2, FPDFText_CountRects(textpage, start, 500));
+ }
+
+#if 0
+ // TODO(thestig): This crashes. Fix and enable.
+ // Now test negative counts.
+ for (int start = 0; start < kHelloWorldEnd; ++start) {
+ EXPECT_EQ(2, FPDFText_CountRects(textpage, start, -100));
+ EXPECT_EQ(2, FPDFText_CountRects(textpage, start, -2));
+ }
+#endif
+
+ // Now test larger start values.
+ const int kExpectedLength = strlen(kExpected);
+ for (int start = kGoodbyeWorldStart + 1; start < kExpectedLength; ++start) {
+ EXPECT_EQ(1, FPDFText_CountRects(textpage, start, -1));
+ EXPECT_EQ(0, FPDFText_CountRects(textpage, start, 0));
+ EXPECT_EQ(1, FPDFText_CountRects(textpage, start, 1));
+ EXPECT_EQ(1, FPDFText_CountRects(textpage, start, 2));
+ EXPECT_EQ(1, FPDFText_CountRects(textpage, start, 500));
+ }
+
+#if 0
+ // TODO(thestig): This crashes. Fix and enable.
+ // Now test start values that starts beyond the end of the text.
+ for (int start = kExpectedLength; start < 100; ++start) {
+ EXPECT_EQ(0, FPDFText_CountRects(textpage, start, -1));
+ EXPECT_EQ(0, FPDFText_CountRects(textpage, start, 0));
+ EXPECT_EQ(0, FPDFText_CountRects(textpage, start, 1));
+ EXPECT_EQ(0, FPDFText_CountRects(textpage, start, 2));
+ EXPECT_EQ(0, FPDFText_CountRects(textpage, start, 500));
+ }
+#endif
+
+ FPDFText_ClosePage(textpage);
+ UnloadPage(page);
+}