1 files changed, 288 insertions, 0 deletions
diff --git a/js/src/tests/ecma_5/Function/function-bind.js b/js/src/tests/ecma_5/Function/function-bind.js
new file mode 100644
index 000000000..78ee18310
--- /dev/null
+++ b/js/src/tests/ecma_5/Function/function-bind.js
@@ -0,0 +1,288 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+var gTestfile = 'function-bind.js';
+var BUGNUMBER = 429507;
+var summary = "ES5: Function.prototype.bind";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+// ad-hoc testing
+
+assertEq(Function.prototype.hasOwnProperty("bind"), true);
+
+var bind = Function.prototype.bind;
+assertEq(bind.length, 1);
+
+
+var strictReturnThis = function() { "use strict"; return this; };
+
+assertEq(strictReturnThis.bind(undefined)(), undefined);
+assertEq(strictReturnThis.bind(null)(), null);
+
+var obj = {};
+assertEq(strictReturnThis.bind(obj)(), obj);
+
+assertEq(strictReturnThis.bind(NaN)(), NaN);
+
+assertEq(strictReturnThis.bind(true)(), true);
+assertEq(strictReturnThis.bind(false)(), false);
+
+assertEq(strictReturnThis.bind("foopy")(), "foopy");
+
+
+// rigorous, step-by-step testing
+
+function expectThrowTypeError(fun)
+{
+  try
+  {
+    var r = fun();
+    throw new Error("didn't throw TypeError, returned " + r);
+  }
+  catch (e)
+  {
+    assertEq(e instanceof TypeError, true,
+             "didn't throw TypeError, got: " + e);
+  }
+}
+
+/*
+ * 1. Let Target be the this value.
+ * 2. If IsCallable(Target) is false, throw a TypeError exception.
+ */
+expectThrowTypeError(function() { bind.call(null); });
+expectThrowTypeError(function() { bind.call(undefined); });
+expectThrowTypeError(function() { bind.call(NaN); });
+expectThrowTypeError(function() { bind.call(0); });
+expectThrowTypeError(function() { bind.call(-0); });
+expectThrowTypeError(function() { bind.call(17); });
+expectThrowTypeError(function() { bind.call(42); });
+expectThrowTypeError(function() { bind.call("foobar"); });
+expectThrowTypeError(function() { bind.call(true); });
+expectThrowTypeError(function() { bind.call(false); });
+expectThrowTypeError(function() { bind.call([]); });
+expectThrowTypeError(function() { bind.call({}); });
+
+
+/*
+ * 3. Let A be a new (possibly empty) internal list of all of the argument
+ *    values provided after thisArg (arg1, arg2 etc), in order.
+ * 4. Let F be a new native ECMAScript object .
+ * 5. Set all the internal methods, except for [[Get]], of F as specified in
+ *    8.12.
+ * 6. Set the [[Get]] internal property of F as specified in 15.3.5.4.
+ * 7. Set the [[TargetFunction]] internal property of F to Target.
+ * 8. Set the [[BoundThis]] internal property of F to the value of thisArg.
+ * 9. Set the [[BoundArgs]] internal property of F to A.
+ */
+// throughout
+
+
+/* 10. Set the [[Class]] internal property of F to "Function". */
+var toString = Object.prototype.toString;
+assertEq(toString.call(function(){}), "[object Function]");
+assertEq(toString.call(function a(){}), "[object Function]");
+assertEq(toString.call(function(a){}), "[object Function]");
+assertEq(toString.call(function a(b){}), "[object Function]");
+assertEq(toString.call(function(){}.bind()), "[object Function]");
+assertEq(toString.call(function a(){}.bind()), "[object Function]");
+assertEq(toString.call(function(a){}.bind()), "[object Function]");
+assertEq(toString.call(function a(b){}.bind()), "[object Function]");
+
+
+/*
+ * 11. Set the [[Prototype]] internal property of F to the standard built-in
+ *     Function prototype object as specified in 15.3.3.1.
+ */
+assertEq(Object.getPrototypeOf(bind.call(function(){})), Function.prototype);
+assertEq(Object.getPrototypeOf(bind.call(function a(){})), Function.prototype);
+assertEq(Object.getPrototypeOf(bind.call(function(a){})), Function.prototype);
+assertEq(Object.getPrototypeOf(bind.call(function a(b){})), Function.prototype);
+
+
+/*
+ * 12. Set the [[Call]] internal property of F as described in 15.3.4.5.1.
+ */
+var a = Array.bind(1, 2);
+assertEq(a().length, 2);
+assertEq(a(4).length, 2);
+assertEq(a(4, 8).length, 3);
+
+function t() { return this; }
+var bt = t.bind(t);
+assertEq(bt(), t);
+
+function callee() { return arguments.callee; }
+var call = callee.bind();
+assertEq(call(), callee);
+assertEq(new call(), callee);
+
+
+/*
+ * 13. Set the [[Construct]] internal property of F as described in 15.3.4.5.2.
+ */
+function Point(x, y)
+{
+  this.x = x;
+  this.y = y;
+}
+var YAxisPoint = Point.bind(null, 0)
+
+assertEq(YAxisPoint.hasOwnProperty("prototype"), false);
+var p = new YAxisPoint(5);
+assertEq(p.x, 0);
+assertEq(p.y, 5);
+assertEq(p instanceof Point, true);
+assertEq(p instanceof YAxisPoint, true);
+assertEq(Object.prototype.toString.call(YAxisPoint), "[object Function]");
+assertEq(YAxisPoint.length, 1);
+
+
+/*
+ * 14. Set the [[HasInstance]] internal property of F as described in
+ *     15.3.4.5.3.
+ */
+function JoinArguments()
+{
+  this.args = Array.prototype.join.call(arguments, ", ");
+}
+
+var Join1 = JoinArguments.bind(null, 1);
+var Join2 = Join1.bind(null, 2);
+var Join3 = Join2.bind(null, 3);
+var Join4 = Join3.bind(null, 4);
+var Join5 = Join4.bind(null, 5);
+var Join6 = Join5.bind(null, 6);
+
+var r = new Join6(7);
+assertEq(r instanceof Join6, true);
+assertEq(r instanceof Join5, true);
+assertEq(r instanceof Join4, true);
+assertEq(r instanceof Join3, true);
+assertEq(r instanceof Join2, true);
+assertEq(r instanceof Join1, true);
+assertEq(r instanceof JoinArguments, true);
+assertEq(r.args, "1, 2, 3, 4, 5, 6, 7");
+
+
+/*
+ * 15. If the [[Class]] internal property of Target is "Function", then
+ *   a. Let L be the length property of Target minus the length of A.
+ *   b. Set the length own property of F to either 0 or L, whichever is larger.
+ * 16. Else set the length own property of F to 0.
+ */
+function none() { return arguments.length; }
+assertEq(none.bind(1, 2)(3, 4), 3);
+assertEq(none.bind(1, 2)(), 1);
+assertEq(none.bind(1)(2, 3), 2);
+assertEq(none.bind().length, 0);
+assertEq(none.bind(null).length, 0);
+assertEq(none.bind(null, 1).length, 0);
+assertEq(none.bind(null, 1, 2).length, 0);
+
+function one(a) { }
+assertEq(one.bind().length, 1);
+assertEq(one.bind(null).length, 1);
+assertEq(one.bind(null, 1).length, 0);
+assertEq(one.bind(null, 1, 2).length, 0);
+
+// retch
+var br = Object.create(null, { length: { value: 0 } });
+try
+{
+  br = bind.call(/a/g, /a/g, "aaaa");
+}
+catch (e) { /* nothing */ }
+assertEq(br.length, 0);
+
+
+/*
+ * 17. Set the attributes of the length own property of F to the values
+ *     specified in 15.3.5.1.
+ */
+var len1Desc =
+  Object.getOwnPropertyDescriptor(function(a, b, c){}.bind(), "length");
+assertEq(len1Desc.value, 3);
+assertEq(len1Desc.writable, false);
+assertEq(len1Desc.enumerable, false);
+assertEq(len1Desc.configurable, true);
+
+var len2Desc =
+  Object.getOwnPropertyDescriptor(function(a, b, c){}.bind(null, 2), "length");
+assertEq(len2Desc.value, 2);
+assertEq(len2Desc.writable, false);
+assertEq(len2Desc.enumerable, false);
+assertEq(len2Desc.configurable, true);
+
+
+/*
+ * 18. Set the [[Extensible]] internal property of F to true.
+ */
+var bound = (function() { }).bind();
+
+var isExtensible = Object.isExtensible || function() { return true; };
+assertEq(isExtensible(bound), true);
+
+bound.foo = 17;
+var fooDesc = Object.getOwnPropertyDescriptor(bound, "foo");
+assertEq(fooDesc.value, 17);
+assertEq(fooDesc.writable, true);
+assertEq(fooDesc.enumerable, true);
+assertEq(fooDesc.configurable, true);
+
+
+/*
+ * Steps 19-21 are removed from ES6, instead implemented through "arguments" and
+ * "caller" accessors on Function.prototype.  So no own properties, but do check
+ * for the same observable behavior (modulo where the accessors live).
+ */
+function strict() { "use strict"; }
+function nonstrict() {}
+
+function testBound(fun)
+{
+  var boundf = fun.bind();
+
+  assertEq(Object.getOwnPropertyDescriptor(boundf, "arguments"), undefined,
+           "should be no arguments property");
+  assertEq(Object.getOwnPropertyDescriptor(boundf, "caller"), undefined,
+           "should be no caller property");
+
+  expectThrowTypeError(function() { return boundf.arguments; });
+  expectThrowTypeError(function() { return boundf.caller; });
+}
+
+testBound(strict);
+testBound(nonstrict);
+
+assertEq((function unbound(){"body"}).bind().toString(), `function bound unbound() {
+    [native code]
+}`);
+
+assertEq((function unbound(){"body"}).bind().toSource(), `function bound unbound() {
+    [native code]
+}`);
+
+assertEq(uneval((function unbound(){"body"}).bind()), `function bound unbound() {
+    [native code]
+}`);
+
+
+/* 22. Return F. */
+var passim = function p(){}.bind(1);
+assertEq(typeof passim, "function");
+
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("All tests passed!");