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Diffstat (limited to 'js/src/tests/test262/built-ins/WeakSet/prototype/has/returns-true-when-symbol-value-present.js')
-rw-r--r-- | js/src/tests/test262/built-ins/WeakSet/prototype/has/returns-true-when-symbol-value-present.js | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/WeakSet/prototype/has/returns-true-when-symbol-value-present.js b/js/src/tests/test262/built-ins/WeakSet/prototype/has/returns-true-when-symbol-value-present.js new file mode 100644 index 0000000000..aeb65b532b --- /dev/null +++ b/js/src/tests/test262/built-ins/WeakSet/prototype/has/returns-true-when-symbol-value-present.js @@ -0,0 +1,24 @@ +// |reftest| shell-option(--enable-symbols-as-weakmap-keys) skip-if(release_or_beta||!xulRuntime.shell) -- symbols-as-weakmap-keys is not released yet, requires shell-options +// Copyright (C) 2022 Igalia, S.L. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-weakset.prototype.has +description: > + Returns true when a Symbol value is present in the WeakSet entries list. +info: | + WeakSet.prototype.has ( _value_ ) + 5. For each element _e_ of _entries_, do + a. If _e_ is not ~empty~ and SameValue(_e_, _value_) is *true*, return *true*. +features: [Symbol, WeakSet, symbols-as-weakmap-keys] +---*/ + +var foo = Symbol('a description'); +var s = new WeakSet(); + +s.add(foo); +assert.sameValue(s.has(foo), true, 'Regular symbol as value'); + +s.add(Symbol.hasInstance); +assert.sameValue(s.has(Symbol.hasInstance), true, 'Well-known symbol as value'); + +reportCompare(0, 0); |