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Diffstat (limited to 'js/src/tests/test262/built-ins/Proxy/ownKeys/trap-is-missing-target-is-proxy.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Proxy/ownKeys/trap-is-missing-target-is-proxy.js | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Proxy/ownKeys/trap-is-missing-target-is-proxy.js b/js/src/tests/test262/built-ins/Proxy/ownKeys/trap-is-missing-target-is-proxy.js new file mode 100644 index 0000000000..0d189524f2 --- /dev/null +++ b/js/src/tests/test262/built-ins/Proxy/ownKeys/trap-is-missing-target-is-proxy.js @@ -0,0 +1,48 @@ +// Copyright (C) 2020 Alexey Shvayka. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-proxy-object-internal-methods-and-internal-slots-ownpropertykeys +description: > + If "ownKeys" trap is null or undefined, [[OwnPropertyKeys]] call is + properly forwarded to [[ProxyTarget]] (which is also a Proxy object). +info: | + [[OwnPropertyKeys]] ( ) + + [...] + 4. Let target be O.[[ProxyTarget]]. + 5. Let trap be ? GetMethod(handler, "ownKeys"). + 6. If trap is undefined, then + a. Return ? target.[[OwnPropertyKeys]](). + + [[OwnPropertyKeys]] ( ) + + 1. Let keys be a new empty List. + [...] + 5. For each integer i starting with 0 such that i < len, in ascending order, do + a. Add ! ToString(i) as the last element of keys. + [...] + 7. For each own property key P of O such that Type(P) is String and P is not an + array index, in ascending chronological order of property creation, do + a. Add P as the last element of keys. + 8. For each own property key P of O such that Type(P) is Symbol, in ascending + chronological order of property creation, do + a. Add P as the last element of keys. + 9. Return keys. +includes: [compareArray.js] +features: [Symbol, Proxy, Reflect] +---*/ + +var sym = Symbol(); +var string = new String("str"); +string[sym] = 1; + +var stringTarget = new Proxy(string, {}); +var stringProxy = new Proxy(stringTarget, {}); + +assert.compareArray( + Reflect.ownKeys(stringProxy), + ["0", "1", "2", "length", sym] +); + +reportCompare(0, 0); |