diff options
Diffstat (limited to 'js/src/jit-test/tests/proxy/testDirectProxyGet9.js')
-rw-r--r-- | js/src/jit-test/tests/proxy/testDirectProxyGet9.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/proxy/testDirectProxyGet9.js b/js/src/jit-test/tests/proxy/testDirectProxyGet9.js new file mode 100644 index 0000000000..7b51227b92 --- /dev/null +++ b/js/src/jit-test/tests/proxy/testDirectProxyGet9.js @@ -0,0 +1,33 @@ +load(libdir + "asserts.js"); + +var target = {x:5}; +var magic = false; +var returnValue = 42; +var handler = { + get(t, p) { + if (magic) { + Object.defineProperty(target, 'x', { + value: 42, + writable: false, + configurable: false + }); + if (returnValue != 42) { + gc(testGet, "shrinking"); + } + } + return returnValue; + } +}; +var proxy = new Proxy(target, handler); + +function testGet(p) { + return p.x; +} + +for (i = 0; i < 200; i++) { + assertEq(testGet(proxy), returnValue); +} +magic = true; +assertEq(testGet(proxy), returnValue); +returnValue = 41; +assertThrowsInstanceOf(function () { testGet(proxy) }, TypeError); |