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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: BigInt.asUintN type coercion for bigint parameter
esid: sec-bigint.asuintn
info: |
BigInt.asUintN ( bits, bigint )
2. Let bigint ? ToBigInt(bigint).
features: [BigInt, computed-property-names, Symbol, Symbol.toPrimitive]
---*/
assert.sameValue(typeof BigInt, 'function');
assert.sameValue(typeof BigInt.asUintN, 'function');
function err() {
throw new Test262Error();
}
function MyError() {}
assert.sameValue(BigInt.asUintN(2, {
[Symbol.toPrimitive]: function() {
return "1";
},
valueOf: err,
toString: err
}), 1n, "ToPrimitive: @@toPrimitive takes precedence");
assert.sameValue(BigInt.asUintN(2, {
valueOf: function() {
return "1";
},
toString: err
}), 1n, "ToPrimitive: valueOf takes precedence over toString");
assert.sameValue(BigInt.asUintN(2, {
toString: function() {
return "1";
}
}), 1n, "ToPrimitive: toString with no valueOf");
assert.sameValue(BigInt.asUintN(2, {
[Symbol.toPrimitive]: undefined,
valueOf: function() {
return "1";
}
}), 1n, "ToPrimitive: skip @@toPrimitive when it's undefined");
assert.sameValue(BigInt.asUintN(2, {
[Symbol.toPrimitive]: null,
valueOf: function() {
return "1";
}
}), 1n, "ToPrimitive: skip @@toPrimitive when it's null");
assert.sameValue(BigInt.asUintN(2, {
valueOf: null,
toString: function() {
return "1";
}
}), 1n, "ToPrimitive: skip valueOf when it's not callable");
assert.sameValue(BigInt.asUintN(2, {
valueOf: 1,
toString: function() {
return "1";
}
}), 1n, "ToPrimitive: skip valueOf when it's not callable");
assert.sameValue(BigInt.asUintN(2, {
valueOf: {},
toString: function() {
return "1";
}
}), 1n, "ToPrimitive: skip valueOf when it's not callable");
assert.sameValue(BigInt.asUintN(2, {
valueOf: function() {
return {};
},
toString: function() {
return "1";
}
}), 1n, "ToPrimitive: skip valueOf when it returns an object");
assert.sameValue(BigInt.asUintN(2, {
valueOf: function() {
return Object(12345);
},
toString: function() {
return "1";
}
}), 1n, "ToPrimitive: skip valueOf when it returns an object");
assert.throws(TypeError, function() {
BigInt.asUintN(0, {
[Symbol.toPrimitive]: 1
});
}, "ToPrimitive: throw when @@toPrimitive is not callable");
assert.throws(TypeError, function() {
BigInt.asUintN(0, {
[Symbol.toPrimitive]: {}
});
}, "ToPrimitive: throw when @@toPrimitive is not callable");
assert.throws(TypeError, function() {
BigInt.asUintN(0, {
[Symbol.toPrimitive]: function() {
return Object(1);
}
});
}, "ToPrimitive: throw when @@toPrimitive returns an object");
assert.throws(TypeError, function() {
BigInt.asUintN(0, {
[Symbol.toPrimitive]: function() {
return {};
}
});
}, "ToPrimitive: throw when @@toPrimitive returns an object");
assert.throws(MyError, function() {
BigInt.asUintN(0, {
[Symbol.toPrimitive]: function() {
throw new MyError();
}
});
}, "ToPrimitive: propagate errors from @@toPrimitive");
assert.throws(MyError, function() {
BigInt.asUintN(0, {
valueOf: function() {
throw new MyError();
}
});
}, "ToPrimitive: propagate errors from valueOf");
assert.throws(MyError, function() {
BigInt.asUintN(0, {
toString: function() {
throw new MyError();
}
});
}, "ToPrimitive: propagate errors from toString");
assert.throws(TypeError, function() {
BigInt.asUintN(0, {
valueOf: null,
toString: null
});
}, "ToPrimitive: throw when skipping both valueOf and toString");
assert.throws(TypeError, function() {
BigInt.asUintN(0, {
valueOf: 1,
toString: 1
});
}, "ToPrimitive: throw when skipping both valueOf and toString");
assert.throws(TypeError, function() {
BigInt.asUintN(0, {
valueOf: {},
toString: {}
});
}, "ToPrimitive: throw when skipping both valueOf and toString");
assert.throws(TypeError, function() {
BigInt.asUintN(0, {
valueOf: function() {
return Object(1);
},
toString: function() {
return Object(1);
}
});
}, "ToPrimitive: throw when skipping both valueOf and toString");
assert.throws(TypeError, function() {
BigInt.asUintN(0, {
valueOf: function() {
return {};
},
toString: function() {
return {};
}
});
}, "ToPrimitive: throw when skipping both valueOf and toString");
reportCompare(0, 0);
|
