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Merge pull request #5161 from alalek:fix_string

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Alexander Alekhin 2015-08-20 12:49:54 +00:00
commit c1778f1199
2 changed files with 12 additions and 0 deletions
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3
modules/core/include/opencv2/core/cvstd.hpp
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@ -896,6 +896,7 @@ size_t String::find_first_of(const String& str, size_t pos) const
inline
size_t String::find_first_of(const char* s, size_t pos) const
{
if (len_ == 0) return npos;
if (pos >= len_ || !s[0]) return npos;
const char* lmax = cstr_ + len_;
for (const char* i = cstr_ + pos; i < lmax; ++i)
@ -910,6 +911,7 @@ size_t String::find_first_of(const char* s, size_t pos) const
inline
size_t String::find_last_of(const char* s, size_t pos, size_t n) const
{
if (len_ == 0) return npos;
if (pos >= len_) pos = len_ - 1;
for (const char* i = cstr_ + pos; i >= cstr_; --i)
{
@ -935,6 +937,7 @@ size_t String::find_last_of(const String& str, size_t pos) const
inline
size_t String::find_last_of(const char* s, size_t pos) const
{
if (len_ == 0) return npos;
if (pos >= len_) pos = len_ - 1;
for (const char* i = cstr_ + pos; i >= cstr_; --i)
{

9
modules/core/test/test_misc.cpp
View File

@ -129,3 +129,12 @@ TEST(Core_OutputArrayAssign, _Matxf_UMatd)
EXPECT_LE(maxAbsDiff(expected, actual), FLT_EPSILON);
}
TEST(Core_String, find_last_of__with__empty_string)
{
cv::String s;
size_t p = s.find_last_of("q", 0);
// npos is not exported: EXPECT_EQ(cv::String::npos, p);
EXPECT_EQ(std::string::npos, p);
}