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test: check util.inspect for array having empty string as key #15258

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test: check util.inspect for array having empty string as key #15258

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6 changes: 6 additions & 0 deletions test/parallel/test-util-inspect.js
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Original file line number Diff line number Diff line change
Expand Up @@ -968,6 +968,12 @@ if (typeof Symbol !== 'undefined') {
assert.strictEqual(util.inspect(x), '{}');
}

{
const x = [];
x[''] = 1;
assert.strictEqual(util.inspect(x), '[ \'\': 1 ]');
}

// The following maxArrayLength tests were introduced after v6.0.0 was released.
// Do not backport to v5/v4 unless all of
// https://github.com/nodejs/node/pull/6334 is backported.
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