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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: [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);
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