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Store tags in one big pre-allocated string and only work with refs

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This should decrease the number of allocations before main is entered
significantly, but complicates the code somewhat in return.

Assuming I used `massif` right, doing just `SelfTest --list-tests`
went from 929 allocations at "Remove gcc-4.9 from the travis builds"
(2 commits up), to 614 allocations with this commit.
This commit is contained in:
Martin Hořeňovský
2019-11-07 12:39:07 +01:00
parent 302e2c0b06
commit d36c15c3ca
18 changed files with 296 additions and 187 deletions
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58
examples/210-Evt-EventListeners.cpp
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@@ -21,6 +21,10 @@ std::string ws(int const level) {
return std::string( 2 * level, ' ' );
}
std::ostream& operator<<(std::ostream& out, Catch::Tag t) {
return out << "original: " << t.original << "lower cased: " << t.lowerCased;
}
template< typename T >
std::ostream& operator<<( std::ostream& os, std::vector<T> const& v ) {
os << "{ ";
@@ -119,31 +123,36 @@ void print( std::ostream& os, int const level, std::string const& title, Catch::
os << ws(level+1) << "- aborting: " << info.aborting << "\n";
}
// struct TestCaseInfo {
// enum SpecialProperties{
// None = 0,
// IsHidden = 1 << 1,
// ShouldFail = 1 << 2,
// MayFail = 1 << 3,
// Throws = 1 << 4,
// NonPortable = 1 << 5,
// Benchmark = 1 << 6
// };
// struct Tag {
// StringRef original, lowerCased;
// };
//
// bool isHidden() const;
// bool throws() const;
// bool okToFail() const;
// bool expectedToFail() const;
//
// std::string tagsAsString() const;
// enum class TestCaseProperties : uint8_t {
// None = 0,
// IsHidden = 1 << 1,
// ShouldFail = 1 << 2,
// MayFail = 1 << 3,
// Throws = 1 << 4,
// NonPortable = 1 << 5,
// Benchmark = 1 << 6
// };
//
// std::string name;
// std::string className;
// std::vector<std::string> tags;
// std::vector<std::string> lcaseTags;
// SourceLineInfo lineInfo;
// SpecialProperties properties;
// };
//
// struct TestCaseInfo : NonCopyable {
//
// bool isHidden() const;
// bool throws() const;
// bool okToFail() const;
// bool expectedToFail() const;
//
//
// std::string name;
// std::string className;
// std::vector<Tag> tags;
// SourceLineInfo lineInfo;
// TestCaseProperties properties = TestCaseProperties::None;
// };
void print( std::ostream& os, int const level, std::string const& title, Catch::TestCaseInfo const& info ) {
os << ws(level ) << title << ":\n"
@@ -154,10 +163,9 @@ void print( std::ostream& os, int const level, std::string const& title, Catch::
<< ws(level+1) << "- tagsAsString(): '" << info.tagsAsString() << "'\n"
<< ws(level+1) << "- name: '" << info.name << "'\n"
<< ws(level+1) << "- className: '" << info.className << "'\n"
<< ws(level+1) << "- tags: " << info.tags << "\n"
<< ws(level+1) << "- lcaseTags: " << info.lcaseTags << "\n";
<< ws(level+1) << "- tags: " << info.tags << "\n";
print( os, level+1 , "- lineInfo", info.lineInfo );
os << ws(level+1) << "- properties (flags): 0x" << std::hex << info.properties << std::dec << "\n";
os << ws(level+1) << "- properties (flags): 0x" << std::hex << static_cast<uint32_t>(info.properties) << std::dec << "\n";
}
// struct TestCaseStats {