This is a testharness.js-based test.
PASS passing test with lone surrogate U+d800 in name
FAIL failing test with lone surrogate U+d800 in name assert_true: expected true got false
PASS passing test with lone surrogate in assert
FAIL failing test with lone surrogate in assert assert_true: lone U+d800 surrogate expected true got false
Harness: the test ran to completion.