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authorArtem Strygin <art-snake@yandex-team.ru>2017-09-28 18:46:03 +0300
committerChromium commit bot <commit-bot@chromium.org>2017-09-28 15:59:08 +0000
commit0e60b9ef2b79de52ef62101abae2af7292e879b7 (patch)
tree9f71519f2a364ee6702219a44de7fdb1def18cc7 /fpdfsdk/fpdf_dataavail_embeddertest.cpp
parent1ca7173cd85adcd58766fc89f95c3dc163efa17a (diff)
downloadpdfium-0e60b9ef2b79de52ef62101abae2af7292e879b7.tar.xz
Implement FakeFileAccess.
Update embedder tests to simulate unavailable data and download requests. Change-Id: I634fa89d2a0c859243e849752936da87568909f4 Reviewed-on: https://pdfium-review.googlesource.com/11890 Commit-Queue: Art Snake <art-snake@yandex-team.ru> Reviewed-by: dsinclair <dsinclair@chromium.org>
Diffstat (limited to 'fpdfsdk/fpdf_dataavail_embeddertest.cpp')
-rw-r--r--fpdfsdk/fpdf_dataavail_embeddertest.cpp72
1 files changed, 25 insertions, 47 deletions
diff --git a/fpdfsdk/fpdf_dataavail_embeddertest.cpp b/fpdfsdk/fpdf_dataavail_embeddertest.cpp
index c40f8579b6..2084153852 100644
--- a/fpdfsdk/fpdf_dataavail_embeddertest.cpp
+++ b/fpdfsdk/fpdf_dataavail_embeddertest.cpp
@@ -12,10 +12,25 @@
#include "public/fpdfview.h"
#include "testing/embedder_test.h"
#include "testing/gtest/include/gtest/gtest.h"
+#include "testing/range_set.h"
#include "testing/test_support.h"
#include "testing/utils/path_service.h"
namespace {
+
+class MockDownloadHints : public FX_DOWNLOADHINTS {
+ public:
+ static void SAddSegment(FX_DOWNLOADHINTS* pThis, size_t offset, size_t size) {
+ }
+
+ MockDownloadHints() {
+ FX_DOWNLOADHINTS::version = 1;
+ FX_DOWNLOADHINTS::AddSegment = SAddSegment;
+ }
+
+ ~MockDownloadHints() {}
+};
+
class TestAsyncLoader : public FX_DOWNLOADHINTS, FX_FILEAVAIL {
public:
explicit TestAsyncLoader(const std::string& file_name) {
@@ -60,7 +75,9 @@ class TestAsyncLoader : public FX_DOWNLOADHINTS, FX_FILEAVAIL {
}
size_t max_already_available_bound() const {
- return available_ranges_.empty() ? 0 : available_ranges_.rbegin()->second;
+ return available_ranges_.IsEmpty()
+ ? 0
+ : available_ranges_.ranges().rbegin()->second;
}
void FlushRequestedData() {
@@ -72,45 +89,11 @@ class TestAsyncLoader : public FX_DOWNLOADHINTS, FX_FILEAVAIL {
private:
void SetDataAvailable(size_t start, size_t size) {
- if (size == 0)
- return;
- const auto range = std::make_pair(start, start + size);
- if (available_ranges_.empty()) {
- available_ranges_.insert(range);
- return;
- }
- auto start_it = available_ranges_.upper_bound(range);
- if (start_it != available_ranges_.begin())
- --start_it; // start now points to the key equal or lower than offset.
- if (start_it->second < range.first)
- ++start_it; // start element is entirely before current range, skip it.
-
- auto end_it = available_ranges_.upper_bound(
- std::make_pair(range.second, range.second));
- if (start_it == end_it) { // No ranges to merge.
- available_ranges_.insert(range);
- return;
- }
-
- --end_it;
-
- size_t new_start = std::min<size_t>(start_it->first, range.first);
- size_t new_end = std::max(end_it->second, range.second);
-
- available_ranges_.erase(start_it, ++end_it);
- available_ranges_.insert(std::make_pair(new_start, new_end));
+ available_ranges_.Union(RangeSet::Range(start, start + size));
}
bool CheckDataAlreadyAvailable(size_t start, size_t size) const {
- if (size == 0)
- return false;
- const auto range = std::make_pair(start, start + size);
- auto it = available_ranges_.upper_bound(range);
- if (it == available_ranges_.begin())
- return false; // No ranges includes range.start().
-
- --it; // Now it starts equal or before range.start().
- return it->second >= range.second;
+ return available_ranges_.Contains(RangeSet::Range(start, start + size));
}
int GetBlockImpl(unsigned long pos, unsigned char* pBuf, unsigned long size) {
@@ -165,14 +148,7 @@ class TestAsyncLoader : public FX_DOWNLOADHINTS, FX_FILEAVAIL {
size_t max_requested_bound_ = 0;
bool is_new_data_available_ = true;
- using Range = std::pair<size_t, size_t>;
- struct range_compare {
- bool operator()(const Range& lval, const Range& rval) const {
- return lval.first < rval.first;
- }
- };
- using RangesContainer = std::set<Range, range_compare>;
- RangesContainer available_ranges_;
+ RangeSet available_ranges_;
};
} // namespace
@@ -182,13 +158,15 @@ class FPDFDataAvailEmbeddertest : public EmbedderTest {};
TEST_F(FPDFDataAvailEmbeddertest, TrailerUnterminated) {
// Document must load without crashing but is too malformed to be available.
EXPECT_FALSE(OpenDocument("trailer_unterminated.pdf"));
- EXPECT_FALSE(FPDFAvail_IsDocAvail(avail_, &hints_));
+ MockDownloadHints hints;
+ EXPECT_FALSE(FPDFAvail_IsDocAvail(avail_, &hints));
}
TEST_F(FPDFDataAvailEmbeddertest, TrailerAsHexstring) {
// Document must load without crashing but is too malformed to be available.
EXPECT_FALSE(OpenDocument("trailer_as_hexstring.pdf"));
- EXPECT_FALSE(FPDFAvail_IsDocAvail(avail_, &hints_));
+ MockDownloadHints hints;
+ EXPECT_FALSE(FPDFAvail_IsDocAvail(avail_, &hints));
}
TEST_F(FPDFDataAvailEmbeddertest, LoadUsingHintTables) {