=== String.fromCodePoint() Tests ===
String.fromCodePoint(65) passed
String.fromCodePoint(65, 66, 67) passed
String.fromCodePoint(0x1F600) passed
String.fromCodePoint(65, 0x1F600, 66) passed
Round-trip fromCodePoint/codePointAt passed
String.fromCodePoint() passed
String.fromCodePoint(65.9) passed

=== String.prototype.codePointAt() Tests ===
'ABC'.codePointAt(0) passed
'😀'.codePointAt(0) passed
'A😀B'.codePointAt(0) passed
'A😀B'.codePointAt(1) passed
'A😀B'.codePointAt(3) passed

=== Unicode Escape Sequences in String Literals ===
'Hello \u0041' passed

=== Test Summary ===
All Phase 1 Unicode tests PASSED!