1 files changed, 453 insertions, 0 deletions
diff --git a/js/src/tests/ecma_5/Function/strict-arguments.js b/js/src/tests/ecma_5/Function/strict-arguments.js
new file mode 100644
index 000000000..fce5f756c
--- /dev/null
+++ b/js/src/tests/ecma_5/Function/strict-arguments.js
@@ -0,0 +1,453 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+var gTestfile = 'strict-arguments.js';
+var BUGNUMBER = 516255;
+var summary =
+  "ES5 strict mode: arguments objects of strict mode functions must copy " +
+  "argument values";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+function arrayEvery(arr, fun)
+{
+  return Array.prototype.every.call(arr, fun);
+}
+
+function arraysEqual(a1, a2)
+{
+  return a1.length === a2.length &&
+         arrayEvery(a1, function(v, i) { return v === a2[i]; });
+}
+
+
+/************************
+ * NON-STRICT ARGUMENTS *
+ ************************/
+
+var obj = {};
+
+function noargs() { return arguments; }
+
+assertEq(arraysEqual(noargs(), []), true);
+assertEq(arraysEqual(noargs(1), [1]), true);
+assertEq(arraysEqual(noargs(2, obj, 8), [2, obj, 8]), true);
+
+function args(a) { return arguments; }
+
+assertEq(arraysEqual(args(), []), true);
+assertEq(arraysEqual(args(1), [1]), true);
+assertEq(arraysEqual(args(1, obj), [1, obj]), true);
+assertEq(arraysEqual(args("foopy"), ["foopy"]), true);
+
+function assign(a)
+{
+  a = 17;
+  return arguments;
+}
+
+assertEq(arraysEqual(assign(1), [17]), true);
+
+function getLaterAssign(a)
+{
+  var o = arguments;
+  a = 17;
+  return o;
+}
+
+assertEq(arraysEqual(getLaterAssign(1), [17]), true);
+
+function assignElementGetParameter(a)
+{
+  arguments[0] = 17;
+  return a;
+}
+
+assertEq(assignElementGetParameter(42), 17);
+
+function assignParameterGetElement(a)
+{
+  a = 17;
+  return arguments[0];
+}
+
+assertEq(assignParameterGetElement(42), 17);
+
+function assignArgSub(x, y)
+{
+  arguments[0] = 3;
+  return arguments[0];
+}
+
+assertEq(assignArgSub(1), 3);
+
+function assignArgSubParamUse(x, y)
+{
+  arguments[0] = 3;
+  assertEq(x, 3);
+  return arguments[0];
+}
+
+assertEq(assignArgSubParamUse(1), 3);
+
+function assignArgumentsElement(x, y)
+{
+  arguments[0] = 3;
+  return arguments[Math.random() ? "0" : 0]; // nix arguments[const] optimizations
+}
+
+assertEq(assignArgumentsElement(1), 3);
+
+function assignArgumentsElementParamUse(x, y)
+{
+  arguments[0] = 3;
+  assertEq(x, 3);
+  return arguments[Math.random() ? "0" : 0]; // nix arguments[const] optimizations
+}
+
+assertEq(assignArgumentsElementParamUse(1), 3);
+
+/********************
+ * STRICT ARGUMENTS *
+ ********************/
+
+function strictNoargs()
+{
+  "use strict";
+  return arguments;
+}
+
+assertEq(arraysEqual(strictNoargs(), []), true);
+assertEq(arraysEqual(strictNoargs(1), [1]), true);
+assertEq(arraysEqual(strictNoargs(1, obj), [1, obj]), true);
+
+function strictArgs(a)
+{
+  "use strict";
+  return arguments;
+}
+
+assertEq(arraysEqual(strictArgs(), []), true);
+assertEq(arraysEqual(strictArgs(1), [1]), true);
+assertEq(arraysEqual(strictArgs(1, obj), [1, obj]), true);
+
+function strictAssign(a)
+{
+  "use strict";
+  a = 17;
+  return arguments;
+}
+
+assertEq(arraysEqual(strictAssign(), []), true);
+assertEq(arraysEqual(strictAssign(1), [1]), true);
+assertEq(arraysEqual(strictAssign(1, obj), [1, obj]), true);
+
+var upper;
+function strictAssignAfter(a)
+{
+  "use strict";
+  upper = arguments;
+  a = 42;
+  return upper;
+}
+
+assertEq(arraysEqual(strictAssignAfter(), []), true);
+assertEq(arraysEqual(strictAssignAfter(17), [17]), true);
+assertEq(arraysEqual(strictAssignAfter(obj), [obj]), true);
+
+function strictMaybeAssignOuterParam(p)
+{
+  "use strict";
+  function inner() { p = 17; }
+  return arguments;
+}
+
+assertEq(arraysEqual(strictMaybeAssignOuterParam(), []), true);
+assertEq(arraysEqual(strictMaybeAssignOuterParam(42), [42]), true);
+assertEq(arraysEqual(strictMaybeAssignOuterParam(obj), [obj]), true);
+
+function strictAssignOuterParam(p)
+{
+  "use strict";
+  function inner() { p = 17; }
+  inner();
+  return arguments;
+}
+
+assertEq(arraysEqual(strictAssignOuterParam(), []), true);
+assertEq(arraysEqual(strictAssignOuterParam(17), [17]), true);
+assertEq(arraysEqual(strictAssignOuterParam(obj), [obj]), true);
+
+function strictAssignOuterParamPSYCH(p)
+{
+  "use strict";
+  function inner(p) { p = 17; }
+  inner();
+  return arguments;
+}
+
+assertEq(arraysEqual(strictAssignOuterParamPSYCH(), []), true);
+assertEq(arraysEqual(strictAssignOuterParamPSYCH(17), [17]), true);
+assertEq(arraysEqual(strictAssignOuterParamPSYCH(obj), [obj]), true);
+
+function strictEval(code, p)
+{
+  "use strict";
+  eval(code);
+  return arguments;
+}
+
+assertEq(arraysEqual(strictEval("1", 2), ["1", 2]), true);
+assertEq(arraysEqual(strictEval("arguments"), ["arguments"]), true);
+assertEq(arraysEqual(strictEval("p = 2"), ["p = 2"]), true);
+assertEq(arraysEqual(strictEval("p = 2", 17), ["p = 2", 17]), true);
+assertEq(arraysEqual(strictEval("arguments[0] = 17"), [17]), true);
+assertEq(arraysEqual(strictEval("arguments[0] = 17", 42), [17, 42]), true);
+
+function strictMaybeNestedEval(code, p)
+{
+  "use strict";
+  function inner() { eval(code); }
+  return arguments;
+}
+
+assertEq(arraysEqual(strictMaybeNestedEval("1", 2), ["1", 2]), true);
+assertEq(arraysEqual(strictMaybeNestedEval("arguments"), ["arguments"]), true);
+assertEq(arraysEqual(strictMaybeNestedEval("p = 2"), ["p = 2"]), true);
+assertEq(arraysEqual(strictMaybeNestedEval("p = 2", 17), ["p = 2", 17]), true);
+
+function strictNestedEval(code, p)
+{
+  "use strict";
+  function inner() { eval(code); }
+  inner();
+  return arguments;
+}
+
+assertEq(arraysEqual(strictNestedEval("1", 2), ["1", 2]), true);
+assertEq(arraysEqual(strictNestedEval("arguments"), ["arguments"]), true);
+assertEq(arraysEqual(strictNestedEval("p = 2"), ["p = 2"]), true);
+assertEq(arraysEqual(strictNestedEval("p = 2", 17), ["p = 2", 17]), true);
+assertEq(arraysEqual(strictNestedEval("arguments[0] = 17"), ["arguments[0] = 17"]), true);
+assertEq(arraysEqual(strictNestedEval("arguments[0] = 17", 42), ["arguments[0] = 17", 42]), true);
+
+function strictAssignArguments(a)
+{
+  "use strict";
+  arguments[0] = 42;
+  return a;
+}
+
+assertEq(strictAssignArguments(), undefined);
+assertEq(strictAssignArguments(obj), obj);
+assertEq(strictAssignArguments(17), 17);
+
+function strictAssignParameterGetElement(a)
+{
+  "use strict";
+  a = 17;
+  return arguments[0];
+}
+
+assertEq(strictAssignParameterGetElement(42), 42);
+
+function strictAssignArgSub(x, y)
+{
+  "use strict";
+  arguments[0] = 3;
+  return arguments[0];
+}
+
+assertEq(strictAssignArgSub(1), 3);
+
+function strictAssignArgSubParamUse(x, y)
+{
+  "use strict";
+  arguments[0] = 3;
+  assertEq(x, 1);
+  return arguments[0];
+}
+
+assertEq(strictAssignArgSubParamUse(1), 3);
+
+function strictAssignArgumentsElement(x, y)
+{
+  "use strict";
+  arguments[0] = 3;
+  return arguments[Math.random() ? "0" : 0]; // nix arguments[const] optimizations
+}
+
+assertEq(strictAssignArgumentsElement(1), 3);
+
+function strictAssignArgumentsElementParamUse(x, y)
+{
+  "use strict";
+  arguments[0] = 3;
+  assertEq(x, 1);
+  return arguments[Math.random() ? "0" : 0]; // nix arguments[const] optimizations
+}
+
+assertEq(strictAssignArgumentsElementParamUse(1), 3);
+
+function strictNestedAssignShadowVar(p)
+{
+  "use strict";
+  function inner()
+  {
+    var p = 12;
+    function innermost() { p = 1776; return 12; }
+    return innermost();
+  }
+  return arguments;
+}
+
+assertEq(arraysEqual(strictNestedAssignShadowVar(), []), true);
+assertEq(arraysEqual(strictNestedAssignShadowVar(99), [99]), true);
+assertEq(arraysEqual(strictNestedAssignShadowVar(""), [""]), true);
+assertEq(arraysEqual(strictNestedAssignShadowVar(obj), [obj]), true);
+
+function strictNestedAssignShadowCatch(p)
+{
+  "use strict";
+  function inner()
+  {
+    try
+    {
+    }
+    catch (p)
+    {
+      var f = function innermost() { p = 1776; return 12; };
+      f();
+    }
+  }
+  return arguments;
+}
+
+assertEq(arraysEqual(strictNestedAssignShadowCatch(), []), true);
+assertEq(arraysEqual(strictNestedAssignShadowCatch(99), [99]), true);
+assertEq(arraysEqual(strictNestedAssignShadowCatch(""), [""]), true);
+assertEq(arraysEqual(strictNestedAssignShadowCatch(obj), [obj]), true);
+
+function strictNestedAssignShadowCatchCall(p)
+{
+  "use strict";
+  function inner()
+  {
+    try
+    {
+    }
+    catch (p)
+    {
+      var f = function innermost() { p = 1776; return 12; };
+      f();
+    }
+  }
+  inner();
+  return arguments;
+}
+
+assertEq(arraysEqual(strictNestedAssignShadowCatchCall(), []), true);
+assertEq(arraysEqual(strictNestedAssignShadowCatchCall(99), [99]), true);
+assertEq(arraysEqual(strictNestedAssignShadowCatchCall(""), [""]), true);
+assertEq(arraysEqual(strictNestedAssignShadowCatchCall(obj), [obj]), true);
+
+function strictNestedAssignShadowFunction(p)
+{
+  "use strict";
+  function inner()
+  {
+    function p() { }
+    p = 1776;
+  }
+  return arguments;
+}
+
+assertEq(arraysEqual(strictNestedAssignShadowFunction(), []), true);
+assertEq(arraysEqual(strictNestedAssignShadowFunction(99), [99]), true);
+assertEq(arraysEqual(strictNestedAssignShadowFunction(""), [""]), true);
+assertEq(arraysEqual(strictNestedAssignShadowFunction(obj), [obj]), true);
+
+function strictNestedAssignShadowFunctionCall(p)
+{
+  "use strict";
+  function inner()
+  {
+    function p() { }
+    p = 1776;
+  }
+  return arguments;
+}
+
+assertEq(arraysEqual(strictNestedAssignShadowFunctionCall(), []), true);
+assertEq(arraysEqual(strictNestedAssignShadowFunctionCall(99), [99]), true);
+assertEq(arraysEqual(strictNestedAssignShadowFunctionCall(""), [""]), true);
+assertEq(arraysEqual(strictNestedAssignShadowFunctionCall(obj), [obj]), true);
+
+function strictNestedShadowAndMaybeEval(code, p)
+{
+  "use strict";
+  function inner(p) { eval(code); }
+  return arguments;
+}
+
+assertEq(arraysEqual(strictNestedShadowAndMaybeEval("1", 2), ["1", 2]), true);
+assertEq(arraysEqual(strictNestedShadowAndMaybeEval("arguments"), ["arguments"]), true);
+assertEq(arraysEqual(strictNestedShadowAndMaybeEval("p = 2"), ["p = 2"]), true);
+assertEq(arraysEqual(strictNestedShadowAndMaybeEval("p = 2", 17), ["p = 2", 17]), true);
+assertEq(arraysEqual(strictNestedShadowAndMaybeEval("arguments[0] = 17"), ["arguments[0] = 17"]), true);
+assertEq(arraysEqual(strictNestedShadowAndMaybeEval("arguments[0] = 17", 42), ["arguments[0] = 17", 42]), true);
+
+function strictNestedShadowAndEval(code, p)
+{
+  "use strict";
+  function inner(p) { eval(code); }
+  return arguments;
+}
+
+assertEq(arraysEqual(strictNestedShadowAndEval("1", 2), ["1", 2]), true);
+assertEq(arraysEqual(strictNestedShadowAndEval("arguments"), ["arguments"]), true);
+assertEq(arraysEqual(strictNestedShadowAndEval("p = 2"), ["p = 2"]), true);
+assertEq(arraysEqual(strictNestedShadowAndEval("p = 2", 17), ["p = 2", 17]), true);
+assertEq(arraysEqual(strictNestedShadowAndEval("arguments[0] = 17"), ["arguments[0] = 17"]), true);
+assertEq(arraysEqual(strictNestedShadowAndEval("arguments[0] = 17", 42), ["arguments[0] = 17", 42]), true);
+
+function strictEvalContainsMutation(code)
+{
+  "use strict";
+  return eval(code);
+}
+
+assertEq(arraysEqual(strictEvalContainsMutation("code = 17; arguments"), ["code = 17; arguments"]), true);
+assertEq(arraysEqual(strictEvalContainsMutation("arguments[0] = 17; arguments"), [17]), true);
+assertEq(strictEvalContainsMutation("arguments[0] = 17; code"), "arguments[0] = 17; code");
+
+function strictNestedAssignShadowFunctionName(p)
+{
+  "use strict";
+  function inner()
+  {
+    function p() { p = 1776; }
+    p();
+  }
+  inner();
+  return arguments;
+}
+
+assertEq(arraysEqual(strictNestedAssignShadowFunctionName(), []), true);
+assertEq(arraysEqual(strictNestedAssignShadowFunctionName(99), [99]), true);
+assertEq(arraysEqual(strictNestedAssignShadowFunctionName(""), [""]), true);
+assertEq(arraysEqual(strictNestedAssignShadowFunctionName(obj), [obj]), true);
+
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("All tests passed!");