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Diffstat (limited to '')
-rw-r--r-- | js/src/jit-test/tests/proxy/testDirectProxyGetInherited2.js | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxyGetInherited2.js b/js/src/jit-test/tests/proxy/testDirectProxyGetInherited2.js new file mode 100644 index 0000000000..3c58e314ea --- /dev/null +++ b/js/src/jit-test/tests/proxy/testDirectProxyGetInherited2.js @@ -0,0 +1,31 @@ +// Getting a property that's inherted from a proxy calls the proxy's get handler. + +var handler = { + get(t, id, r) { + assertEq(this, handler); + assertEq(t, target); + assertEq(id, "foo"); + assertEq(r, obj); + return "bar"; + }, + getOwnPropertyDescriptor(t, id) { + throw "FAIL"; + } +}; + +var target = {}; +var proto = new Proxy(target, handler); +var obj = Object.create(proto); +assertEq(obj.foo, "bar"); + +// Longer proto chain: same result. +var origObj = obj; +for (var i = 0; i < 4; i++) + obj = Object.create(obj); +assertEq(obj.foo, "bar"); + +// Chain of transparent proxy wrappers: same result. +obj = origObj; +for (var i = 0; i < 4; i++) + obj = new Proxy(obj, {}); +assertEq(obj.foo, "bar"); |