1 files changed, 54 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/19_diagnostics/stacktrace/entry.cc b/libstdc++-v3/testsuite/19_diagnostics/stacktrace/entry.cc
new file mode 100644
index 00000000000..a222c425b20
--- /dev/null
+++ b/libstdc++-v3/testsuite/19_diagnostics/stacktrace/entry.cc
@@ -0,0 +1,54 @@
+// { dg-options "-std=gnu++23 -lstdc++_libbacktrace" }
+// { dg-do run { target c++23 } }
+// { dg-require-effective-target stacktrace }
+
+#include <stacktrace>
+#include "testsuite_hooks.h"
+
+static_assert( std::regular<std::stacktrace_entry> );
+static_assert( std::three_way_comparable<std::stacktrace_entry> );
+
+constexpr bool
+test_constexpr()
+{
+  std::stacktrace_entry empty;
+  VERIFY( !empty );
+  VERIFY( empty == empty );
+  VERIFY( std::is_eq(empty <=> empty) );
+
+  std::stacktrace_entry::native_handle_type native  = empty.native_handle();
+  VERIFY( empty.native_handle() == native );
+
+  return true;
+}
+static_assert( test_constexpr() );
+
+void
+test_members()
+{
+  std::stacktrace_entry empty;
+  VERIFY( empty.description().size() == 0 );
+  VERIFY( empty.source_file().size() == 0 );
+  VERIFY( empty.source_line() == 0 );
+
+  std::stacktrace_entry e1 = std::stacktrace::current().at(0);
+  std::stacktrace_entry e2 = std::stacktrace::current().at(0);
+  VERIFY( e1 != e2 );
+  VERIFY( e1.description() == e2.description() );
+  VERIFY( e1.source_file() == e2.source_file() );
+  VERIFY( e1.source_line() == (__LINE__ - 5) );
+  VERIFY( e2.source_line() == (__LINE__ - 5) );
+
+  std::stacktrace_entry e3 = []{
+    return std::stacktrace::current().at(0);
+  }();
+  VERIFY( e1 != e3 );
+  VERIFY( e1.description() != e3.description() );
+  VERIFY( e1.source_file() == e3.source_file() );
+  VERIFY( e3.source_line() == (__LINE__ - 5) );
+}
+
+int main()
+{
+  test_members();
+}