Add m-esr52 at 52.6.0

1 files changed, 127 insertions, 0 deletions

diff --git a/js/src/tests/ecma_5/JSON/stringify-boxed-primitives.js b/js/src/tests/ecma_5/JSON/stringify-boxed-primitives.js
new file mode 100644
index 000000000..0769c2ec6
--- /dev/null
+++ b/js/src/tests/ecma_5/JSON/stringify-boxed-primitives.js
@@ -0,0 +1,127 @@
+// Any copyright is dedicated to the Public Domain.
+// http://creativecommons.org/licenses/publicdomain/
+
+var gTestfile = 'stringify-boxed-primitives.js';
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 584909;
+var summary = "Stringification of Boolean/String/Number objects";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function redefine(obj, prop, fun)
+{
+  var desc =
+    { value: fun, writable: true, configurable: true, enumerable: false };
+  Object.defineProperty(obj, prop, desc);
+}
+
+assertEq(JSON.stringify(new Boolean(false)), "false");
+
+assertEq(JSON.stringify(new Number(5)), "5");
+
+assertEq(JSON.stringify(new String("foopy")), '"foopy"');
+
+
+var numToString = Number.prototype.toString;
+var numValueOf = Number.prototype.valueOf;
+var objToString = Object.prototype.toString;
+var objValueOf = Object.prototype.valueOf;
+var boolToString = Boolean.prototype.toString;
+var boolValueOf = Boolean.prototype.valueOf;
+
+redefine(Boolean.prototype, "toString", function() { return 17; });
+assertEq(JSON.stringify(new Boolean(false)), "false")
+delete Boolean.prototype.toString;
+assertEq(JSON.stringify(new Boolean(false)), "false");
+delete Object.prototype.toString;
+assertEq(JSON.stringify(new Boolean(false)), "false");
+delete Boolean.prototype.valueOf;
+assertEq(JSON.stringify(new Boolean(false)), "false");
+delete Object.prototype.valueOf;
+assertEq(JSON.stringify(new Boolean(false)), "false");
+
+
+redefine(Boolean.prototype, "toString", boolToString);
+redefine(Boolean.prototype, "valueOf", boolValueOf);
+redefine(Object.prototype, "toString", objToString);
+redefine(Object.prototype, "valueOf", objValueOf);
+
+redefine(Number.prototype, "toString", function() { return 42; });
+assertEq(JSON.stringify(new Number(5)), "5");
+redefine(Number.prototype, "valueOf", function() { return 17; });
+assertEq(JSON.stringify(new Number(5)), "17");
+delete Number.prototype.toString;
+assertEq(JSON.stringify(new Number(5)), "17");
+delete Number.prototype.valueOf;
+assertEq(JSON.stringify(new Number(5)), "null"); // isNaN(Number("[object Number]"))
+delete Object.prototype.toString;
+try
+{
+  JSON.stringify(new Number(5));
+  throw new Error("didn't throw");
+}
+catch (e)
+{
+  assertEq(e instanceof TypeError, true,
+           "ToNumber failure, should throw TypeError");
+}
+delete Object.prototype.valueOf;
+try
+{
+  JSON.stringify(new Number(5));
+  throw new Error("didn't throw");
+}
+catch (e)
+{
+  assertEq(e instanceof TypeError, true,
+           "ToNumber failure, should throw TypeError");
+}
+
+
+redefine(Number.prototype, "toString", numToString);
+redefine(Number.prototype, "valueOf", numValueOf);
+redefine(Object.prototype, "toString", objToString);
+redefine(Object.prototype, "valueOf", objValueOf);
+
+
+redefine(String.prototype, "valueOf", function() { return 17; });
+assertEq(JSON.stringify(new String(5)), '"5"');
+redefine(String.prototype, "toString", function() { return 42; });
+assertEq(JSON.stringify(new String(5)), '"42"');
+delete String.prototype.toString;
+assertEq(JSON.stringify(new String(5)), '"[object String]"');
+delete Object.prototype.toString;
+assertEq(JSON.stringify(new String(5)), '"17"');
+delete String.prototype.valueOf;
+try
+{
+  JSON.stringify(new String(5));
+  throw new Error("didn't throw");
+}
+catch (e)
+{
+  assertEq(e instanceof TypeError, true,
+           "ToString failure, should throw TypeError");
+}
+delete Object.prototype.valueOf;
+try
+{
+  JSON.stringify(new String(5));
+  throw new Error("didn't throw");
+}
+catch (e)
+{
+  assertEq(e instanceof TypeError, true,
+           "ToString failure, should throw TypeError");
+}
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("All tests passed!");