//@ runBigIntEnabled assert = { sameValue: function (input, expected, message) { if (input !== expected) throw new Error(message); } }; function testBitAnd(x, y, z, message) { assert.sameValue(x & y, z, message); assert.sameValue(y & x, z, message); } testBitAnd(Object(0b10n), 0b01n, 0b00n, "ToPrimitive: unbox object with internal slot"); let o = { [Symbol.toPrimitive]: function() { return 0b10n; } }; testBitAnd(o, 0b01n, 0b00n, "ToPrimitive: @@toPrimitive"); o = { valueOf: function() { return 0b10n; } }; testBitAnd(o, 0b01n, 0b00n, "ToPrimitive: valueOf"); o = { toString: function() { return 0b10n; } } testBitAnd(o, 0b01n, 0b00n, "ToPrimitive: toString");