JSTests/test262/test/language/expressions/left-shift/bigint-errors.js

// Copyright (C) 2017 Josh Wolfe. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: left-shift operator ToNumeric with BigInt operands
esid: sec-left-shift-operator-runtime-semantics-evaluation
features: [BigInt, Symbol, Symbol.toPrimitive, computed-property-names]
---*/

assert.throws(TypeError, function() {
  Symbol("1") << 0n;
}, "ToBigInt: Symbol => TypeError");
assert.throws(TypeError, function() {
  0n << Symbol("1");
}, "ToBigInt: Symbol => TypeError");
assert.throws(TypeError, function() {
  Object(Symbol("1")) << 0n;
}, "ToBigInt: unbox object with internal slot => Symbol => TypeError");
assert.throws(TypeError, function() {
  0n << Object(Symbol("1"));
}, "ToBigInt: unbox object with internal slot => Symbol => TypeError");
assert.throws(TypeError, function() {
  ({
    [Symbol.toPrimitive]: function() {
      return Symbol("1");
    }
  }) << 0n;
}, "ToBigInt: @@toPrimitive => Symbol => TypeError");
assert.throws(TypeError, function() {
  0n << {
    [Symbol.toPrimitive]: function() {
      return Symbol("1");
    }
  };
}, "ToBigInt: @@toPrimitive => Symbol => TypeError");
assert.throws(TypeError, function() {
  ({
    valueOf: function() {
      return Symbol("1");
    }
  }) << 0n;
}, "ToBigInt: valueOf => Symbol => TypeError");
assert.throws(TypeError, function() {
  0n << {
    valueOf: function() {
      return Symbol("1");
    }
  };
}, "ToBigInt: valueOf => Symbol => TypeError");
assert.throws(TypeError, function() {
  ({
    toString: function() {
      return Symbol("1");
    }
  }) << 0n;
}, "ToBigInt: toString => Symbol => TypeError");
assert.throws(TypeError, function() {
  0n << {
    toString: function() {
      return Symbol("1");
    }
  };
}, "ToBigInt: toString => Symbol => TypeError");