diff options
Diffstat (limited to 'js/src/tests/ecma_5/strict/primitive-this-getter.js')
-rw-r--r-- | js/src/tests/ecma_5/strict/primitive-this-getter.js | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/js/src/tests/ecma_5/strict/primitive-this-getter.js b/js/src/tests/ecma_5/strict/primitive-this-getter.js new file mode 100644 index 000000000..55fd79d9d --- /dev/null +++ b/js/src/tests/ecma_5/strict/primitive-this-getter.js @@ -0,0 +1,56 @@ +let primitives = [ + 10, + false, + "test", + Symbol() +] + +let getter = "getter"; +let getter2 = "getter2"; +let key = "key"; + +for (let value of primitives) { + let prototype = Object.getPrototypeOf(value); + + // Strict getters receive a primitive this value. + Object.defineProperty(prototype, "getter", {get: function() { + "use strict"; + assertEq(this, value); + return "getter"; + }}) + + assertEq(value.getter, "getter"); + assertEq(value[getter], "getter"); + + // The proxy's [[Get]] trap is also invoked with primitive receiver values. + let proxy = new Proxy({}, { + get(target, property, receiver) { + assertEq(property, "key"); + assertEq(receiver, value); + return "get"; + } + }); + + Object.setPrototypeOf(prototype, proxy); + assertEq(value.key, "get"); + assertEq(value[key], "get"); + assertEq(value.getter, "getter"); + assertEq(value[getter], "getter"); + + // A getter still gets a primitive this value even after going through a proxy. + proxy = new Proxy({ + get getter2() { + "use strict"; + assertEq(this, value); + return "getter2"; + } + }, {}); + + Object.setPrototypeOf(prototype, proxy); + assertEq(value.getter2, "getter2"); + assertEq(value[getter2], "getter2"); + assertEq(value.getter, "getter"); + assertEq(value[getter], "getter"); +} + +reportCompare(true, true); |