Add m-esr52 at 52.6.0

1 files changed, 106 insertions, 0 deletions

diff --git a/js/src/tests/ecma_5/Expressions/primitive-this-boxing-behavior.js b/js/src/tests/ecma_5/Expressions/primitive-this-boxing-behavior.js
new file mode 100644
index 000000000..36cc0e9e8
--- /dev/null
+++ b/js/src/tests/ecma_5/Expressions/primitive-this-boxing-behavior.js
@@ -0,0 +1,106 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 732669;
+var summary = "Primitive values don't box correctly";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var t;
+function returnThis() { return this; }
+
+// Boolean
+
+Boolean.prototype.method = returnThis;
+t = true.method();
+assertEq(t !== Boolean.prototype, true);
+assertEq(t.toString(), "true");
+
+Object.defineProperty(Boolean.prototype, "property", { get: returnThis, configurable: true });
+t = false.property;
+assertEq(t !== Boolean.prototype, true);
+assertEq(t.toString(), "false");
+
+delete Boolean.prototype.method;
+delete Boolean.prototype.property;
+
+
+// Number
+
+Number.prototype.method = returnThis;
+t = 5..method();
+assertEq(t !== Number.prototype, true);
+assertEq(t.toString(), "5");
+
+Object.defineProperty(Number.prototype, "property", { get: returnThis, configurable: true });
+t = 17..property;
+assertEq(t !== Number.prototype, true);
+assertEq(t.toString(), "17");
+
+delete Number.prototype.method;
+delete Number.prototype.property;
+
+
+// String
+
+String.prototype.method = returnThis;
+t = "foo".method();
+assertEq(t !== String.prototype, true);
+assertEq(t.toString(), "foo");
+
+Object.defineProperty(String.prototype, "property", { get: returnThis, configurable: true });
+t = "bar".property;
+assertEq(t !== String.prototype, true);
+assertEq(t.toString(), "bar");
+
+delete String.prototype.method;
+delete String.prototype.property;
+
+
+// Object
+
+Object.prototype.method = returnThis;
+
+t = true.method();
+assertEq(t !== Object.prototype, true);
+assertEq(t !== Boolean.prototype, true);
+assertEq(t.toString(), "true");
+
+t = 42..method();
+assertEq(t !== Object.prototype, true);
+assertEq(t !== Number.prototype, true);
+assertEq(t.toString(), "42");
+
+t = "foo".method();
+assertEq(t !== Object.prototype, true);
+assertEq(t !== String.prototype, true);
+assertEq(t.toString(), "foo");
+
+Object.defineProperty(Object.prototype, "property", { get: returnThis, configurable: true });
+
+t = false.property;
+assertEq(t !== Object.prototype, true);
+assertEq(t !== Boolean.prototype, true);
+assertEq(t.toString(), "false");
+
+t = 8675309..property;
+assertEq(t !== Object.prototype, true);
+assertEq(t !== Number.prototype, true);
+assertEq(t.toString(), "8675309");
+
+t = "bar".property;
+assertEq(t !== Object.prototype, true);
+assertEq(t !== String.prototype, true);
+assertEq(t.toString(), "bar");
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");