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Solves #11156 (#11160)

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* Solves #11156

* Check file size for all file format. Disable APPEND if file is empty

* Add test for APPEND mode
This commit is contained in:
LaurentBerger
2018-03-28 14:35:38 +02:00
committed by Vadim Pisarevsky
parent 75b5e3fa64
commit 03eb463f1c
2 changed files with 24 additions and 2 deletions
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modules/core/test/test_io.cpp
+18
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@@ -602,6 +602,24 @@ TEST(Core_InputOutput, FileStorageSpaces)
EXPECT_NO_THROW(f2[cv::format("key%d", i)] >> valuesRead[i]);
ASSERT_STREQ(values[i].c_str(), valuesRead[i].c_str());
}
std::string fileName = cv::tempfile(".xml");
cv::FileStorage g1(fileName, cv::FileStorage::WRITE);
for (size_t i = 0; i < 2; i++) {
EXPECT_NO_THROW(g1 << cv::format("key%d", i) << values[i]);
}
g1.release();
cv::FileStorage g2(fileName, cv::FileStorage::APPEND);
for (size_t i = 2; i < valueCount; i++) {
EXPECT_NO_THROW(g2 << cv::format("key%d", i) << values[i]);
}
g2.release();
cv::FileStorage g3(fileName, cv::FileStorage::READ);
std::string valuesReadAppend[valueCount];
for (size_t i = 0; i < valueCount; i++) {
EXPECT_NO_THROW(g3[cv::format("key%d", i)] >> valuesReadAppend[i]);
ASSERT_STREQ(values[i].c_str(), valuesReadAppend[i].c_str());
}
g3.release();
}
struct data_t