js/src/jit-test/tests/arrays/to-spliced-dense-elements.js


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// |jit-test| --enable-change-array-by-copy

for (let i = 0; i < 1000; ++i) {
  let arr = [0];
  let result = arr.toSpliced(0, 0, 1, 2, 3);
  assertEq(result.length, 4);
}

for (let i = 0; i < 1000; ++i) {
  let arr = [0];
  let result = arr.toSpliced(1, 0, 1, 2, 3);
  assertEq(result.length, 4);
}