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Diffstat (limited to 'js/src/jit-test/tests/basic/__proto__-not-prototype-mutation.js')
-rw-r--r-- | js/src/jit-test/tests/basic/__proto__-not-prototype-mutation.js | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/__proto__-not-prototype-mutation.js b/js/src/jit-test/tests/basic/__proto__-not-prototype-mutation.js new file mode 100644 index 0000000000..b940a229b2 --- /dev/null +++ b/js/src/jit-test/tests/basic/__proto__-not-prototype-mutation.js @@ -0,0 +1,29 @@ +/* + * Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/licenses/publicdomain/ + */ + +var __proto__ = "string value"; + +var propdefs = + [{ c: "['__proto__']: null", t: "object" }, + { c: "__proto__() {}", t: "function" }, + { c: "['__proto__']() {}", t: "function" }, + { c: "*__proto__() {}", t: "function" }, + { c: "*['__proto__']() {}", t: "function" }, + { c: "__proto__", t: "string" }, + { c: "get __proto__() { return 42; }", t: "number" }, + { c: "get ['__proto__']() { return undefined; }", t: "undefined" }, + { c: "set __proto__(v) { }", t: "undefined" }, + { c: "set ['__proto__'](v) { }", t: "undefined" }]; + +for (var propdef of propdefs) +{ + var f = new Function("return { " + propdef.c + " };"); + for (var i = 0; i < 100; i++) + { + var inst = f(); + assertEq(typeof inst.__proto__, propdef.t); + assertEq(Object.getPrototypeOf(inst), Object.prototype); + } +} |