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Implement "ends_with" and update "starts_with" to the same implementation style.

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Ion Gaztañaga
2026-01-22 00:09:11 +01:00
parent dc3a96a29b
commit 20aa1aee7e
3 changed files with 52 additions and 28 deletions
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32
test/string_test.cpp
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@@ -1473,24 +1473,9 @@ void test_compare()
}
//==============================================================================
// SECTION 11: Operations - starts_with, ends_with, contains (helper functions)
// Note: boost::container::string may not have these methods, so we implement
// them using find/compare for testing purposes
// SECTION 11: Operations - starts_with, ends_with, contains
//==============================================================================
// Helper functions for starts_with/ends_with/contains since boost::container::string
// might not have these methods in older versions
namespace test_helpers {
bool ends_with(const string& s, const char* suffix) {
string::size_type len = std::strlen(suffix);
return s.size() >= len && s.compare(s.size() - len, len, suffix) == 0;
}
bool ends_with(const string& s, char c) {
return !s.empty() && s[s.size() - 1] == c;
}
}
void test_starts_with()
{
string s("Hello, World!");
@@ -1509,15 +1494,14 @@ void test_ends_with()
{
string s("Hello, World!");
using test_helpers::ends_with;
BOOST_TEST(ends_with(s, "World!"));
BOOST_TEST(ends_with(s, "!"));
BOOST_TEST(ends_with(s, ""));
BOOST_TEST(ends_with(s, '!'));
BOOST_TEST(s.ends_with("World!"));
BOOST_TEST(s.ends_with("!"));
BOOST_TEST(s.ends_with(""));
BOOST_TEST(s.ends_with('!'));
BOOST_TEST(!ends_with(s, "Hello"));
BOOST_TEST(!ends_with(s, "world!")); // case-sensitive
BOOST_TEST(!ends_with(s, 'H'));
BOOST_TEST(!s.ends_with("Hello"));
BOOST_TEST(!s.ends_with("world!")); // case-sensitive
BOOST_TEST(!s.ends_with('H'));
}
void test_contains()