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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /js/src/jit-test/tests/proxy/testDirectProxyOwnKeysSymbol.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/proxy/testDirectProxyOwnKeysSymbol.js')
-rw-r--r--js/src/jit-test/tests/proxy/testDirectProxyOwnKeysSymbol.js33
1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxyOwnKeysSymbol.js b/js/src/jit-test/tests/proxy/testDirectProxyOwnKeysSymbol.js
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index 000000000..ad6e1845e
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyOwnKeysSymbol.js
@@ -0,0 +1,33 @@
+// Make sure that we can find own, enumerable symbols.
+var symbol = Symbol("bad");
+var symbol2 = Symbol("good");
+var proxy = new Proxy({}, {
+ ownKeys() {
+ return [symbol, symbol2];
+ },
+ getOwnPropertyDescriptor(target, name) {
+ if (name == symbol)
+ return {configurable: true, enumerable: false, value: {}};
+ // Only this enumerable symbol should be defined.
+ if (name == symbol2)
+ return {configurable: true, enumerable: true, value: {}};
+ assertEq(true, false);
+ },
+ get(target, name) {
+ // Slightly confusing, but these are the descriptors that defineProperties
+ // is going to define on the object.
+ if (name == symbol)
+ return {configurable: true, value: "bad"};
+ if (name == symbol2)
+ return {configurable: true, value: "good"};
+ assertEq(true, false);
+ }
+});
+assertEq(Object.getOwnPropertySymbols(proxy).length, 2);
+
+var obj = {};
+Object.defineProperties(obj, proxy);
+assertEq(Object.getOwnPropertySymbols(obj).length, 1);
+assertEq(symbol in obj, false);
+assertEq(symbol2 in obj, true);
+assertEq(obj[symbol2], "good");