// Copyright (C) 2017 Josh Wolfe. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- description: String.prototype.indexOf type coercion for position parameter esid: sec-string.prototype.indexof info: | String.prototype.indexOf ( searchString [ , position ] ) 4. Let pos be ? ToInteger(position). features: [BigInt, Symbol.toPrimitive, computed-property-names] ---*/ assert.throws(TypeError, function() { "".indexOf("", 0n); }, "ToInteger: BigInt => TypeError"); assert.throws(TypeError, function() { "".indexOf("", Object(0n)); }, "ToInteger: unbox object with internal slot => BigInt => TypeError"); assert.throws(TypeError, function() { "".indexOf("", { [Symbol.toPrimitive]: function() { return 0n; } }); }, "ToInteger: @@toPrimitive => BigInt => TypeError"); assert.throws(TypeError, function() { "".indexOf("", { valueOf: function() { return 0n; } }); }, "ToInteger: valueOf => BigInt => TypeError"); assert.throws(TypeError, function() { "".indexOf("", { toString: function() { return 0n; } }); }, "ToInteger: toString => BigInt => TypeError"); reportCompare(0, 0);