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// |reftest| shell-option(--enable-shadow-realms) skip-if(!xulRuntime.shell) -- requires shell-options
// Copyright (C) 2021 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-shadowrealm.prototype.importvalue
description: >
ShadowRealm.prototype.importValue coerces specifier to string.
features: [ShadowRealm]
---*/
assert.sameValue(
typeof ShadowRealm.prototype.importValue,
'function',
'This test must fail if ShadowRealm.prototype.importValue is not a function'
);
const r = new ShadowRealm();
let count = 0;
const specifier = Object.create(null);
// A - valueOF
specifier.valueOf = function() {
count += 1;
throw new Test262Error();
};
assert.throws(Test262Error, () => {
r.importValue(specifier);
}, 'ToString(specifier) returns abrupt from valueOf');
assert.sameValue(count, 1, 'ToString calls the valueOf method');
// B - toString
count = 0;
specifier.valueOf = function() {
count += 1000;
throw new Error('valueOf is not reached if toString is present');
};
specifier.toString = function() {
count += 1;
throw new Test262Error();
};
assert.throws(Test262Error, () => {
r.importValue(specifier);
}, 'ToString(specifier) returns abrupt from toString');
assert.sameValue(count, 1, 'ToString calls the toString method');
// C - @@toPrimitive
count = 0;
specifier[Symbol.toPrimitive] = function() {
count += 1;
throw new Test262Error();
};
specifier.toString = function() {
count += 1000;
throw new Error('toString is not reached if @@toPrimitive is present');
};
assert.throws(Test262Error, () => {
r.importValue(specifier);
}, 'ToString(specifier) returns abrupt from @@toPrimitive');
assert.sameValue(count, 1, 'ToString calls the @@toPrimitive method');
reportCompare(0, 0);
|
