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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]
---*/
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");
reportCompare(0, 0);
|
