// WeakMap constructor should throw when key is nonnull. | |
load(libdir + "asserts.js"); | |
var v1 = 42; | |
var primitive = 10; | |
assertThrowsInstanceOf(() => new WeakMap([[primitive, v1]]), TypeError); | |
var empty_array = []; | |
assertThrowsInstanceOf(() => new WeakMap([empty_array]), TypeError); |