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test(util-inspect): sample surrogate boundaries instead of all 2047 code units #36147

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test(util-inspect): sample surrogate boundaries instead of all 2047 code units #36147

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3 changes: 2 additions & 1 deletion test/js/node/util/node-inspect-tests/parallel/util-inspect.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -779,7 +779,8 @@ test("no assertion failures 2", () => {
{
const edgeChar = String.fromCharCode(0xd799);

for (let charCode = 0xd800; charCode < 0xdfff; charCode++) {
// Upstream walks all 2047 surrogate code units; the escape is a range check, so cover the boundaries.
for (const charCode of [0xd800, 0xd801, 0xda00, 0xdbfe, 0xdbff, 0xdc00, 0xdc01, 0xde00, 0xdffd, 0xdffe]) {
const surrogate = String.fromCharCode(charCode);

assert.strictEqual(util.inspect(surrogate), `'\\u${charCode.toString(16)}'`);
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