length.js - mozsearch

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// |reftest| skip-if(!this.hasOwnProperty("Tuple"))

var desc = Object.getOwnPropertyDescriptor(Tuple.of, "length");

assertEq(desc.value, 0);

assertEq(desc.writable, false);

assertEq(desc.enumerable, false);

assertEq(desc.configurable, true);

desc = Object.getOwnPropertyDescriptor(Tuple.of, "name");

assertEq(desc.value, "of");

assertEq(desc.writable, false);

assertEq(desc.enumerable, false);

assertEq(desc.configurable, true);

assertEq(isConstructor(Tuple.of), false);

assertThrowsInstanceOf(() => {

  new Tuple.of(1, 2, 3);

}, TypeError, '`new Tuple.of(1, 2, 3)` throws TypeError');

reportCompare(0, 0);