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Diffstat (limited to 'test/string_view_test.cpp')
-rw-r--r-- | test/string_view_test.cpp | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/test/string_view_test.cpp b/test/string_view_test.cpp new file mode 100644 index 0000000..33a8bc4 --- /dev/null +++ b/test/string_view_test.cpp @@ -0,0 +1,49 @@ +#include <opentracing/string_view.h> // test include guard +#include <opentracing/string_view.h> + +#define CATCH_CONFIG_MAIN +#include <opentracing/catch2/catch.hpp> + +using namespace opentracing; + +TEST_CASE("string_view") { + SECTION("A default-constructed string_view is empty.") { + string_view ref; + CHECK(nullptr == ref.data()); + CHECK(0 == ref.length()); + } + + SECTION("string_view can be initialized from a c-string.") { + const char* val = "hello world"; + + string_view ref(val); + + CHECK(val == ref.data()); + CHECK(std::strlen(val) == ref.length()); + } + + SECTION("string_view can be initialized from an std::string.") { + const std::string val = "hello world"; + + string_view ref(val); + + CHECK(val == ref.data()); + CHECK(val.length() == ref.length()); + } + + SECTION("A copied string_view points to the same data as its source.") { + const std::string val = "hello world"; + + string_view ref(val); + string_view cpy(ref); + + CHECK(val == cpy.data()); + CHECK(val.length() == cpy.length()); + } + + SECTION("operator[] can be used to access characters in a string_view") { + string_view s = "abc123"; + CHECK(&s[0] == s.data()); + CHECK(&s[1] == s.data() + 1); + } +} |