diff options
Diffstat (limited to 'js/src/jit-test/tests/proxy/testDirectProxyPreventExtensions4.js')
| -rw-r--r-- | js/src/jit-test/tests/proxy/testDirectProxyPreventExtensions4.js | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxyPreventExtensions4.js b/js/src/jit-test/tests/proxy/testDirectProxyPreventExtensions4.js new file mode 100644 index 000000000..01395624e --- /dev/null +++ b/js/src/jit-test/tests/proxy/testDirectProxyPreventExtensions4.js @@ -0,0 +1,6 @@ +load(libdir + "asserts.js"); + +// Throw a TypeError if the object refuses to be made non-extensible +var handler = { preventExtensions: () => false }; +for (let p of [new Proxy({}, handler), Proxy.revocable({}, handler).proxy]) + assertThrowsInstanceOf(() => Object.preventExtensions(p), TypeError); |