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Diffstat (limited to 'js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-10.js')
-rw-r--r-- | js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-10.js | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-10.js b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-10.js new file mode 100644 index 0000000000..4057039735 --- /dev/null +++ b/js/src/tests/test262/language/statements/class/elements/privatefieldset-typeerror-10.js @@ -0,0 +1,47 @@ +// Copyright (C) 2021 André Bargull. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +description: > + TypeError when setting private field not in `this`'s [[PrivateFieldValues]] +esid: sec-putvalue +info: | + PutValue ( V, W ) + ... + 6. Else if IsPropertyReference(V), then + ... + b. If IsPrivateReference(V), then + i. Let env be the running execution context's PrivateNameEnvironment. + ii. Let field be ? ResolveBinding(GetReferencedName(V), env). + iii. Assert: field is a Private Name. + iv. Perform ? PrivateFieldSet(field, base, W). + + PrivateFieldSet (P, O, value ) + 1. Assert: P is a Private Name value. + 2. If O is not an object, throw a TypeError exception. + 3. Let entry be PrivateFieldFind(P, O). + 4. If entry is empty, throw a TypeError exception. + + PrivateFieldFind (P, O) + 1. Assert: P is a Private Name value. + 2. Assert: O is an object with a [[PrivateFieldValues]] internal slot. + 3. For each element entry in O.[[PrivateFieldValues]], + a. If entry.[[PrivateName]] is P, return entry. + 4. Return empty. + +features: [class, class-fields-private] +---*/ + +class C { + #field; + + m() { + [...this.#field] = []; + } +} + +assert.throws(TypeError, function() { + C.prototype.m.call({}); +}); + +reportCompare(0, 0); |