Set-constructor-1.js

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// The Set constructor creates an empty Set by default.

load(libdir + "asserts.js");

var s = new Set();

assertEq(s.size, 0);

s = new Set(undefined);

assertEq(s.size, 0);

s = new Set(null);

assertEq(s.size, 0);

assertThrowsInstanceOf(() => Set(), TypeError);

assertThrowsInstanceOf(() => Set(undefined), TypeError);

assertThrowsInstanceOf(() => Set(null), TypeError);