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// Copyright (C) 2018 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-left-shift-operator-runtime-semantics-evaluation
description: Type coercion order of operations for left-shift operator
features: [Symbol]
info: |
Evaluate lhs
Evaluate rhs
ToNumeric(lhs)
ToNumeric(rhs)
---*/
function MyError() {}
var trace;
// ?GetValue(lhs) throws.
trace = "";
assert.throws(MyError, function() {
(function() {
trace += "1";
throw new MyError();
})() << (function() {
trace += "2";
throw new Test262Error("should not be evaluated");
})();
}, "?GetValue(lhs) throws.");
assert.sameValue(trace, "1", "?GetValue(lhs) throws.");
// ?GetValue(rhs) throws.
trace = "";
assert.throws(MyError, function() {
(function() {
trace += "1";
return {
valueOf: function() {
trace += "3";
throw new Test262Error("should not be evaluated");
}
};
})() << (function() {
trace += "2";
throw new MyError();
})();
}, "?GetValue(rhs) throws.");
assert.sameValue(trace, "12", "?GetValue(rhs) throws.");
// ?ToPrimive(lhs) throws.
trace = "";
assert.throws(MyError, function() {
(function() {
trace += "1";
return {
valueOf: function() {
trace += "3";
throw new MyError();
}
};
})() << (function() {
trace += "2";
return {
valueOf: function() {
trace += "4";
throw new Test262Error("should not be evaluated");
}
};
})();
}, "?ToPrimive(lhs) throws.");
assert.sameValue(trace, "123", "?ToPrimive(lhs) throws.");
// ?ToPrimive(rhs) throws.
trace = "";
assert.throws(MyError, function() {
(function() {
trace += "1";
return {
valueOf: function() {
trace += "3";
return 1;
}
};
})() << (function() {
trace += "2";
return {
valueOf: function() {
trace += "4";
throw new MyError();
}
};
})();
}, "?ToPrimive(rhs) throws.");
assert.sameValue(trace, "1234", "?ToPrimive(rhs) throws.");
// ?ToNumeric(lhs) throws.
trace = "";
assert.throws(TypeError, function() {
(function() {
trace += "1";
return {
valueOf: function() {
trace += "3";
return Symbol("1");
}
};
})() << (function() {
trace += "2";
return {
valueOf: function() {
trace += "4";
throw new Test262Error("should not be evaluated");
}
};
})();
}, "?ToNumeric(lhs) throws.");
assert.sameValue(trace, "123", "?ToNumeric(lhs) throws.");
// GetValue(lhs) throws.
trace = "";
assert.throws(TypeError, function() {
(function() {
trace += "1";
return {
valueOf: function() {
trace += "3";
return 1;
}
};
})() << (function() {
trace += "2";
return {
valueOf: function() {
trace += "4";
return Symbol("1");
}
};
})();
}, "GetValue(lhs) throws.");
assert.sameValue(trace, "1234", "GetValue(lhs) throws.");
reportCompare(0, 0);
|
