| // 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: [Symbol.toPrimitive, computed-property-names] |
| ---*/ |
| |
| function err() { |
| throw new Test262Error(); |
| } |
| |
| function MyError() {} |
| |
| assert.sameValue("aaaa".indexOf("aa", { |
| [Symbol.toPrimitive]: function() { |
| return 1; |
| }, |
| valueOf: err, |
| toString: err |
| }), 1, "ToPrimitive: @@toPrimitive takes precedence"); |
| assert.sameValue("aaaa".indexOf("aa", { |
| valueOf: function() { |
| return 1; |
| }, |
| toString: err |
| }), 1, "ToPrimitive: valueOf takes precedence over toString"); |
| assert.sameValue("aaaa".indexOf("aa", { |
| toString: function() { |
| return 1; |
| } |
| }), 1, "ToPrimitive: toString with no valueOf"); |
| assert.sameValue("aaaa".indexOf("aa", { |
| [Symbol.toPrimitive]: undefined, |
| valueOf: function() { |
| return 1; |
| } |
| }), 1, "ToPrimitive: skip @@toPrimitive when it's undefined"); |
| assert.sameValue("aaaa".indexOf("aa", { |
| [Symbol.toPrimitive]: null, |
| valueOf: function() { |
| return 1; |
| } |
| }), 1, "ToPrimitive: skip @@toPrimitive when it's null"); |
| assert.sameValue("aaaa".indexOf("aa", { |
| valueOf: null, |
| toString: function() { |
| return 1; |
| } |
| }), 1, "ToPrimitive: skip valueOf when it's not callable"); |
| assert.sameValue("aaaa".indexOf("aa", { |
| valueOf: 1, |
| toString: function() { |
| return 1; |
| } |
| }), 1, "ToPrimitive: skip valueOf when it's not callable"); |
| assert.sameValue("aaaa".indexOf("aa", { |
| valueOf: {}, |
| toString: function() { |
| return 1; |
| } |
| }), 1, "ToPrimitive: skip valueOf when it's not callable"); |
| assert.sameValue("aaaa".indexOf("aa", { |
| valueOf: function() { |
| return {}; |
| }, |
| toString: function() { |
| return 1; |
| } |
| }), 1, "ToPrimitive: skip valueOf when it returns an object"); |
| assert.sameValue("aaaa".indexOf("aa", { |
| valueOf: function() { |
| return Object(12345); |
| }, |
| toString: function() { |
| return 1; |
| } |
| }), 1, "ToPrimitive: skip valueOf when it returns an object"); |
| assert.throws(TypeError, function() { |
| "".indexOf("", { |
| [Symbol.toPrimitive]: 1 |
| }); |
| }, "ToPrimitive: throw when @@toPrimitive is not callable"); |
| assert.throws(TypeError, function() { |
| "".indexOf("", { |
| [Symbol.toPrimitive]: {} |
| }); |
| }, "ToPrimitive: throw when @@toPrimitive is not callable"); |
| assert.throws(TypeError, function() { |
| "".indexOf("", { |
| [Symbol.toPrimitive]: function() { |
| return Object(1); |
| } |
| }); |
| }, "ToPrimitive: throw when @@toPrimitive returns an object"); |
| assert.throws(TypeError, function() { |
| "".indexOf("", { |
| [Symbol.toPrimitive]: function() { |
| return {}; |
| } |
| }); |
| }, "ToPrimitive: throw when @@toPrimitive returns an object"); |
| assert.throws(MyError, function() { |
| "".indexOf("", { |
| [Symbol.toPrimitive]: function() { |
| throw new MyError(); |
| } |
| }); |
| }, "ToPrimitive: propagate errors from @@toPrimitive"); |
| assert.throws(MyError, function() { |
| "".indexOf("", { |
| valueOf: function() { |
| throw new MyError(); |
| } |
| }); |
| }, "ToPrimitive: propagate errors from valueOf"); |
| assert.throws(MyError, function() { |
| "".indexOf("", { |
| toString: function() { |
| throw new MyError(); |
| } |
| }); |
| }, "ToPrimitive: propagate errors from toString"); |
| assert.throws(TypeError, function() { |
| "".indexOf("", { |
| valueOf: null, |
| toString: null |
| }); |
| }, "ToPrimitive: throw when skipping both valueOf and toString"); |
| assert.throws(TypeError, function() { |
| "".indexOf("", { |
| valueOf: 1, |
| toString: 1 |
| }); |
| }, "ToPrimitive: throw when skipping both valueOf and toString"); |
| assert.throws(TypeError, function() { |
| "".indexOf("", { |
| valueOf: {}, |
| toString: {} |
| }); |
| }, "ToPrimitive: throw when skipping both valueOf and toString"); |
| assert.throws(TypeError, function() { |
| "".indexOf("", { |
| valueOf: function() { |
| return Object(1); |
| }, |
| toString: function() { |
| return Object(1); |
| } |
| }); |
| }, "ToPrimitive: throw when skipping both valueOf and toString"); |
| assert.throws(TypeError, function() { |
| "".indexOf("", { |
| valueOf: function() { |
| return {}; |
| }, |
| toString: function() { |
| return {}; |
| } |
| }); |
| }, "ToPrimitive: throw when skipping both valueOf and toString"); |