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Add tests for StringRef::numberOfCharacters

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This commit is contained in:
Martin Hořeňovský 2018-02-08 13:10:12 +01:00
parent 1b2fa601c6
commit 3b6fda3c1b
1 changed files with 33 additions and 21 deletions
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54
projects/SelfTest/IntrospectiveTests/String.tests.cpp
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@ -36,8 +36,8 @@ namespace Catch {
}
} // namespace Catch
TEST_CASE( "StringRef", "[Strings]" ) {
TEST_CASE( "StringRef", "[Strings][StringRef]" ) {
using Catch::StringRef;
SECTION( "Empty string" ) {
@ -46,21 +46,21 @@ TEST_CASE( "StringRef", "[Strings]" ) {
REQUIRE( empty.size() == 0 );
REQUIRE( std::strcmp( empty.c_str(), "" ) == 0 );
}
SECTION( "From string literal" ) {
StringRef s = "hello";
REQUIRE( s.empty() == false );
REQUIRE( s.size() == 5 );
REQUIRE( isSubstring( s ) == false );
auto rawChars = data( s );
REQUIRE( std::strcmp( rawChars, "hello" ) == 0 );
SECTION( "c_str() does not cause copy" ) {
REQUIRE( isOwned( s ) == false );
REQUIRE( s.c_str() == rawChars );
REQUIRE( isOwned( s ) == false );
}
}
@ -69,19 +69,19 @@ TEST_CASE( "StringRef", "[Strings]" ) {
REQUIRE( original == "original" );
REQUIRE( isSubstring( original ) );
REQUIRE( isOwned( original ) == false );
original.c_str(); // Forces it to take ownership
REQUIRE( isSubstring( original ) == false );
REQUIRE( isOwned( original ) );
}
SECTION( "Substrings" ) {
StringRef s = "hello world!";
StringRef ss = s.substr(0, 5);
SECTION( "zero-based substring" ) {
REQUIRE( ss.empty() == false );
REQUIRE( ss.size() == 5 );
@ -91,33 +91,33 @@ TEST_CASE( "StringRef", "[Strings]" ) {
SECTION( "c_str() causes copy" ) {
REQUIRE( isSubstring( ss ) );
REQUIRE( isOwned( ss ) == false );
auto rawChars = data( ss );
REQUIRE( rawChars == data( s ) ); // same pointer value
REQUIRE( ss.c_str() != rawChars );
REQUIRE( isSubstring( ss ) == false );
REQUIRE( isOwned( ss ) );
REQUIRE( data( ss ) != data( s ) ); // different pointer value
}
SECTION( "non-zero-based substring") {
ss = s.substr( 6, 6 );
REQUIRE( ss.size() == 6 );
REQUIRE( std::strcmp( ss.c_str(), "world!" ) == 0 );
}
SECTION( "Pointer values of full refs should match" ) {
StringRef s2 = s;
REQUIRE( s.c_str() == s2.c_str() );
}
SECTION( "Pointer values of substring refs should not match" ) {
REQUIRE( s.c_str() != ss.c_str() );
}
}
SECTION( "Comparisons" ) {
REQUIRE( StringRef("hello") == StringRef("hello") );
REQUIRE( StringRef("hello") != StringRef("cello") );
@ -164,9 +164,21 @@ TEST_CASE( "StringRef", "[Strings]" ) {
REQUIRE( stdStr.size() == sr.size() );
}
}
SECTION( "Counting utf-8 codepoints" ) {
StringRef ascii = "just a plain old boring ascii string...";
REQUIRE(ascii.numberOfCharacters() == ascii.size());
StringRef simpleu8 = u8"Trocha češtiny nikoho nezabila";
REQUIRE(simpleu8.numberOfCharacters() == 30);
StringRef emojis = u8"Here be 👾";
REQUIRE(emojis.numberOfCharacters() == 9);
}
}
TEST_CASE( "replaceInPlace" ) {
TEST_CASE( "replaceInPlace", "[Strings][StringManip]" ) {
std::string letters = "abcdefcg";
SECTION( "replace single char" ) {
CHECK( Catch::replaceInPlace( letters, "b", "z" ) );