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// 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]
---*/
assert.sameValue("aaaa".indexOf("aa", Object(0)), 0, "ToPrimitive: unbox object with internal slot");
assert.sameValue("aaaa".indexOf("aa", {
[Symbol.toPrimitive]: function() {
return 0;
}
}), 0, "ToPrimitive: @@toPrimitive");
assert.sameValue("aaaa".indexOf("aa", {
valueOf: function() {
return 0;
}
}), 0, "ToPrimitive: valueOf");
assert.sameValue("aaaa".indexOf("aa", {
toString: function() {
return 0;
}
}), 0, "ToPrimitive: toString");
assert.sameValue("aaaa".indexOf("aa", Object(NaN)), 0,
"ToInteger: unbox object with internal slot => NaN => 0");
assert.sameValue("aaaa".indexOf("aa", {
[Symbol.toPrimitive]: function() {
return NaN;
}
}), 0, "ToInteger: @@toPrimitive => NaN => 0");
assert.sameValue("aaaa".indexOf("aa", {
valueOf: function() {
return NaN;
}
}), 0, "ToInteger: valueOf => NaN => 0");
assert.sameValue("aaaa".indexOf("aa", {
toString: function() {
return NaN;
}
}), 0, "ToInteger: toString => NaN => 0");
assert.sameValue("aaaa".indexOf("aa", {
[Symbol.toPrimitive]: function() {
return undefined;
}
}), 0, "ToInteger: @@toPrimitive => undefined => NaN => 0");
assert.sameValue("aaaa".indexOf("aa", {
valueOf: function() {
return undefined;
}
}), 0, "ToInteger: valueOf => undefined => NaN => 0");
assert.sameValue("aaaa".indexOf("aa", {
toString: function() {
return undefined;
}
}), 0, "ToInteger: toString => undefined => NaN => 0");
assert.sameValue("aaaa".indexOf("aa", {
[Symbol.toPrimitive]: function() {
return null;
}
}), 0, "ToInteger: @@toPrimitive => null => 0");
assert.sameValue("aaaa".indexOf("aa", {
valueOf: function() {
return null;
}
}), 0, "ToInteger: valueOf => null => 0");
assert.sameValue("aaaa".indexOf("aa", {
toString: function() {
return null;
}
}), 0, "ToInteger: toString => null => 0");
assert.sameValue("aaaa".indexOf("aa", Object(true)), 1,
"ToInteger: unbox object with internal slot => true => 1");
assert.sameValue("aaaa".indexOf("aa", {
[Symbol.toPrimitive]: function() {
return true;
}
}), 1, "ToInteger: @@toPrimitive => true => 1");
assert.sameValue("aaaa".indexOf("aa", {
valueOf: function() {
return true;
}
}), 1, "ToInteger: valueOf => true => 1");
assert.sameValue("aaaa".indexOf("aa", {
toString: function() {
return true;
}
}), 1, "ToInteger: toString => true => 1");
assert.sameValue("aaaa".indexOf("aa", Object("1.9")), 1,
"ToInteger: unbox object with internal slot => parse Number => 1.9 => 1");
assert.sameValue("aaaa".indexOf("aa", {
[Symbol.toPrimitive]: function() {
return "1.9";
}
}), 1, "ToInteger: @@toPrimitive => parse Number => 1.9 => 1");
assert.sameValue("aaaa".indexOf("aa", {
valueOf: function() {
return "1.9";
}
}), 1, "ToInteger: valueOf => parse Number => 1.9 => 1");
assert.sameValue("aaaa".indexOf("aa", {
toString: function() {
return "1.9";
}
}), 1, "ToInteger: toString => parse Number => 1.9 => 1");
reportCompare(0, 0);
|
