Array-of-surfaces.js

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// Check superficial features of Array.of.

load(libdir + "asserts.js");

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

assertEq(desc.configurable, true);

assertEq(desc.enumerable, false);

assertEq(desc.writable, true);

assertEq(Array.of.length, 0);

assertThrowsInstanceOf(() => new Array.of(), TypeError);  // not a constructor

// When the this-value passed in is not a constructor, the result is an array.

for (let v of [undefined, null, false, "cow"])

    assertEq(Array.isArray(Array.of.call(v)), true);