Add m-esr52 at 52.6.0

1 files changed, 40 insertions, 0 deletions

diff --git a/js/src/tests/ecma_6/Function/bound-length-and-name.js b/js/src/tests/ecma_6/Function/bound-length-and-name.js
new file mode 100644
index 000000000..ef2f1ffbc
--- /dev/null
+++ b/js/src/tests/ecma_6/Function/bound-length-and-name.js
@@ -0,0 +1,40 @@
+var proxy = new Proxy(function() {}, {
+    getOwnPropertyDescriptor(target, name) {
+        assertEq(name, "length");
+        return {value: 3, configurable: true};
+    },
+
+    get(target, name) {
+        if (name == "length")
+            return 3;
+        if (name == "name")
+            return "hello world";
+        assertEq(false, true);
+    }
+})
+
+var bound = Function.prototype.bind.call(proxy);
+assertEq(bound.name, "bound hello world");
+assertEq(bound.length, 3);
+
+var fun = function() {};
+Object.defineProperty(fun, "name", {value: 1337});
+Object.defineProperty(fun, "length", {value: "15"});
+bound = fun.bind();
+assertEq(bound.name, "bound ");
+assertEq(bound.length, 0);
+
+Object.defineProperty(fun, "length", {value: Number.MAX_SAFE_INTEGER});
+bound = fun.bind();
+assertEq(bound.length, Number.MAX_SAFE_INTEGER);
+
+Object.defineProperty(fun, "length", {value: -100});
+bound = fun.bind();
+assertEq(bound.length, 0);
+
+fun = function f(a, ...b) { };
+assertEq(fun.length, 1);
+bound = fun.bind();
+assertEq(bound.length, 1);
+
+reportCompare(0, 0, 'ok');