test(parser): tests for lone surrogates and lossy escape characters

[overlookmotel]

Add tests for correct parsing of StringLiterals containing lone surrogates and lossy replacement characters, after #10041.

The tests are in oxc_codegen but primarily these tests test the logic in parser.

[overlookmotel]

• perf(ast/estree): faster checking if bytes are ASCII #10183
• fix(parser): store lone surrogates in TemplateElementValue as escape sequence #10182
• fix(parser): fix parsing lone surrogates in StringLiterals #10180
• perf(codegen): speed up printing StringLiterals #10046
• test(parser): tests for lone surrogates and lossy escape characters #10175 👈 (View in Graphite)
• main

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[codspeed-hq]

CodSpeed Instrumentation Performance Report

Merging #10175 will degrade performances by 3.31%

_{Comparing 04-02-test_parser_tests_for_lone_surrogates_and_lossy_escape_characters (7672620) with main (34d5c00)}

Summary

⚡ 1 improvements
❌ 1 regressions
✅ 34 untouched benchmarks

⚠️ Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
⚡	formatter[antd.js]	7.9 ms	7.6 ms	+3.88%
❌	formatter[typescript.js]	7.2 ms	7.4 ms	-3.31%

[graphite-app]

Merge activity

• Apr 2, 8:57 AM EDT: Boshen added this pull request to the Graphite merge queue.
• Apr 2, 9:03 AM EDT: Merged by the Graphite merge queue.