update source to Ceph Pacific 16.2.2

[ceph.git] / ceph / src / jaegertracing / opentracing-cpp / test / string_view_test.cpp

diff --git a/ceph/src/jaegertracing/opentracing-cpp/test/string_view_test.cpp b/ceph/src/jaegertracing/opentracing-cpp/test/string_view_test.cpp
new file mode 100644 (file)
index 0000000..33a8bc4
--- /dev/null
+++ b/ceph/src/jaegertracing/opentracing-cpp/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);
+  }
+}