Extend the string parser to handle `\U` escape sequences for 8-hex-digit Unicode code points (e.g., `\U0001F603`), enabling encoding of characters beyond the Basic Multilingual Plane. Refactor `readUnicodeEscape` to accept a configurable digit length, allowing both `\u` (4 digits) and `\U` (8 digits) to share the same parsing logic. Add test cases for valid long escapes, equality with byte-encoded surrogates, and an error test for incomplete long escapes.
This contains the automated validation suite for the VM and built-in libraries.
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benchmark/- Performance tests. These aren't strictly pass/fail, but let us compare performance both against other languages and against previous builds of Wren itself. -
core/- Tests for the built in core library, mainly methods on the core classes. If a bug is inwren_core.corwren_value.c, it will most likely break one of these tests. -
language/- Tests of the language itself, its grammar and runtime semantics. If a bug is inwren_compiler.corwren_vm.c, it will most likely break one of these tests. This includes tests for the syntax for the literal forms of the core classes. -
limit/- Tests for various hardcoded limits. The language doesn't officially specify these limits, but the Wren implementation has them. These tests ensure that limit behavior is well-defined and tested.