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// |reftest| shell-option(--enable-uint8array-base64) skip-if(!Uint8Array.fromBase64||!xulRuntime.shell) -- uint8array-base64 is not enabled unconditionally, requires shell-options
// Copyright (C) 2024 Kevin Gibbons. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-uint8array.prototype.tobase64
description: Uint8Array.prototype.toBase64 checks for detachedness after side-effects are finished
includes: [detachArrayBuffer.js]
features: [uint8array-base64, TypedArray]
---*/
var array = new Uint8Array(2);
var getterCalls = 0;
var receiverDetachingOptions = {};
Object.defineProperty(receiverDetachingOptions, "alphabet", {
get: function() {
getterCalls += 1;
$DETACHBUFFER(array.buffer);
return "base64";
}
});
assert.throws(TypeError, function() {
array.toBase64(receiverDetachingOptions);
});
assert.sameValue(getterCalls, 1);
var detached = new Uint8Array(2);
$DETACHBUFFER(detached.buffer);
var getterCalls = 0;
var sideEffectingOptions = {};
Object.defineProperty(sideEffectingOptions, "alphabet", {
get: function() {
getterCalls += 1;
return "base64";
}
});
assert.throws(TypeError, function() {
detached.toBase64(sideEffectingOptions);
});
assert.sameValue(getterCalls, 1);
reportCompare(0, 0);
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