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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/testDirectProxyHasOwnProperty.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/jit-test/tests/proxy/testDirectProxyHasOwnProperty.js')
-rw-r--r--js/src/jit-test/tests/proxy/testDirectProxyHasOwnProperty.js35
1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxyHasOwnProperty.js b/js/src/jit-test/tests/proxy/testDirectProxyHasOwnProperty.js
new file mode 100644
index 000000000..5b7a97bba
--- /dev/null
+++ b/js/src/jit-test/tests/proxy/testDirectProxyHasOwnProperty.js
@@ -0,0 +1,35 @@
+// Forward to the target if the trap is not defined
+var proto = Object.create(null, {
+ 'foo': {
+ configurable: true
+ }
+});
+var descs = {
+ 'bar': {
+ configurable: true
+ }
+};
+descs[Symbol.for("quux")] = {configurable: true};
+var target = Object.create(proto, descs);
+
+for (let p of [new Proxy(target, {}), Proxy.revocable(target, {}).proxy]) {
+ assertEq(({}).hasOwnProperty.call(p, 'foo'), false);
+ assertEq(({}).hasOwnProperty.call(p, 'bar'), true);
+ assertEq(({}).hasOwnProperty.call(p, 'quux'), false);
+ assertEq(({}).hasOwnProperty.call(p, Symbol('quux')), false);
+ assertEq(({}).hasOwnProperty.call(p, 'Symbol(quux)'), false);
+ assertEq(({}).hasOwnProperty.call(p, Symbol.for('quux')), true);
+}
+
+// Make sure only the getOwnPropertyDescriptor trap is called, and not the has
+// trap.
+var called;
+var handler = { getOwnPropertyDescriptor: function () { called = true; },
+ has: function () { assertEq(false, true, "has trap must not be called"); }
+ }
+
+for (let p of [new Proxy({}, handler), Proxy.revocable({}, handler).proxy]) {
+ called = false;
+ assertEq(({}).hasOwnProperty.call(p, 'foo'), false);
+ assertEq(called, true);
+}